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Description Senior Software Engineer (Full Stack) Location: Farnborough or Whiteley, with flexibility to work from home dependent on business demands Salary: £61,500 - £78,800 The Role: As a Senior Software Engineer you will play a critical role in both the sustainment of the current environment and the delivery of new capabilities. The selected individual will develop solutions to complex technical issues and problems that impact multiple areas or disciplines; regularly employ ingenuity and creativity to develop new technical solutions and systems to achieve functional objectives. You will be immersed in one of our key programmes. On behalf of our central government customer, you will have direct impact on the current and future iterations of one of our most important pieces of critical national infrastructure. This is a senior individual contributor role. The individual will be a highly experienced engineer who leads by example through day‑to‑day development, contributes to technical decision‑making within their scope, and supports the wider team through mentoring and technical guidance. Overall technical approach is agreed collaboratively with the Technical Lead and Software Architect. What will I be doing? • Deliver high‑quality, production‑ready software through hands‑on development, spanning both backend and front‑end technologies., • Develop, debug, test, document, and deploy software enhancements aligned with the Software Development Strategy., • Contribute to full‑stack delivery, including:, • Backend services and REST APIs implemented in Java, • Modern single‑page applications implemented using React/TypeScript or equivalent frameworks, • Make technical decisions within assigned scope, aligning with agreed architectural direction and escalating broader decisions where appropriate., • Apply strong software engineering practices to ensure solutions are clean, maintainable, well‑documented, and fit for long‑term operation., • Ensure adherence to established code review standards and quality gates for all changes delivered within the project., • Continuously validate and maintain the build and deployment pipeline for their own changes:, • Make updates as necessary to ensure changes do not break the pipeline, • Act as a guide for other developers to ensure pipeline practices are understood and maintained, • Write and maintain unit tests and integration tests as a standard part of development., • Support and contribute to test automation efforts, working closely with the test team (who retain ownership of overall automation outcomes)., • Collaborate closely with other engineers, architects, and testers to ensure new and modified software is fully verified prior to promotion., • Support Agile delivery practices, including planning, estimation, backlog refinement, and iterative delivery., • Use and support development tooling and processes, including CI/CD pipelines and integrated security scanning., • Mentor and support less experienced engineers through technical guidance, code reviews, and informal coaching., • Communicate effectively with peers and stakeholders on technical matters, providing clear and well‑reasoned input. What does Leidos need from me? • Software engineering experience, including substantial hands‑on delivery using:, • Java (Java 8 and modern Java versions such as 17 and 21), • REST API design and implementation, • Modern SPA development experience (required) using React and TypeScript, Angular, or Vue., • Strong understanding of design patterns and a solid, structured approach to software development., • Proven experience delivering complex changes in production environments., • Demonstrated experience writing unit and integration tests as a normal part of delivery., • Familiarity with Agile software development processes and working within iterative delivery models., • Familiarity with the Atlassian tool suite (e.g. Jira, Bitbucket, Bamboo), or equivalent tooling, with a solid understanding of CI/CD concepts, workflows, and practices., • Experience working with code review standards, quality gates, CI/CD pipelines, and security scanning processes. Desirable Skills and Experience • Familiarity with integration and architectural patterns (e.g. adapters, orchestration patterns such as saga)., • C/C++ experience., • Perl, Python, and/or bash scripting experience., • Experience contributing to or supporting test automation initiatives (UI and/or API). Clearance Requirements: Successful candidates will be required to be willing and able to obtain UK Security Clearances - this requires a minimum of 5 years residency in the UK What we do for you: At Leidos we are PASSIONATE about customer success, UNITED as a team and INSPIRED to make a difference. We offer meaningful and engaging careers, a collaborative culture, and support for your career goals, all while nurturing a healthy work-life balance. We provide an employment package that attracts, develops and retains only the best in talent. Our reward scheme includes: • Contributory Pension Scheme, • Private Medical Insurance, • 33 days Annual Leave (including public and privilege holidays), • Access to Flexible benefits (including life assurance, health schemes, gym memberships, annual buy and sell holidays and a cycle to work scheme), • Flexi-Time Working Commitment to Diversity: We welcome applications from every part of the community and are committed to a truly diverse and inclusive culture. We foster a sense of belonging, welcoming all perspectives and contributions, and providing equal access to opportunities and resources for everyone. If you have a disability or need any reasonable adjustments during the application and selection stages please let us know, and we will respond in a way that best fits your needs. Who We Are: _– we work to make the world safer, healthier, and more efficient through technology, engineering and science. Leidos is a growing company delivering innovative technology and solutions focused on safeguarding critical capabilities and transformation in frontline services, our work in the United Kingdom includes addressing some of the most complex problems in defence, healthcare, government, safety and security, and transportation. What Makes Us Different: Purpose: you can use your passion and abilities at Leidos to keep the people you care about safe. We are at the forefront of machine learning, AI, cyber security and solutions. Using your skills in the technology frontline by helping to build a safer world. You can inspire change. Collaboration: having flexibility to do your job is one of our core benefits, enabling you to become part of our extraordinary team. We have been empowering our people to work flexibly for years. Whether you work from home, the office or on customer sites, we will give you the digital tools and the flexibility to work smarter and align your needs and ours. People: Leidos empowers people from every background to be themselves and gives you the tools to learn new skills by enabling growth whilst developing. We believe that extraordinary people need opportunities to grow, to be inspired and to inspire others. At Leidos, we invest in technical academies, career rotations and a career development plans that enhance your future. If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares. For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. £61,500.00-£78,800.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit _. Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at _. Securing Your Data Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at _. If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the _. Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws. #Remote

Description Java Software Engineer Location: Farnborough or Whiteley, with flexibility to work from home dependent on business demands Salary: £47,600 - £61,000 The Role As a Java Software Engineer you will play a critical role in both the sustainment of the current environment and the delivery of new user‑facing capabilities. The selected individual will develop solutions to complex technical issues and problems that impact multiple areas or disciplines; regularly employ ingenuity and creativity to develop new technical solutions and systems to achieve functional objectives. As a Software Engineer in Leidos, you will be immersed in one of our key programmes. On behalf of our central government customer, you will have direct impact on the current and future iterations of one of our most important pieces of critical national infrastructure. What will I be doing? • Develop, debug, test, document, and deploy software enhancements aligned with the Software Development Strategy., • Design and implement modern single‑page applications using React and TypeScript., • Consume and integrate with REST APIs, maintaining clean separation from backend and legacy systems., • Support delivery commitments across projects and releases., • Contribute to the continuous validation and maintenance of the build and deployment pipeline, identifying issues, supporting fixes, and working with the wider team to ensure reliable build, test, and deployment processes., • Investigate, identify, and mitigate software and system issues., • Collaborate closely with backend and test engineers to ensure end‑to‑end quality., • Work with senior engineers to design UI solutions based on user needs and system constraints., • Produce clear technical documentation and maintain readable, well‑structured code., • Participate fully in the Agile software development lifecycle., • Use tooling such as Bitbucket, Jira, Jenkins, and Confluence to manage code, work items, and builds., • Write and maintain unit and integration tests as part of normal delivery., • Contribute to and support UI and API test automation efforts., • Communicate progress, risks, and technical decisions clearly to stakeholders., • Apply engineering best practices and standard operating procedures., • Influence technical decisions through clear, evidence‑based recommendations. What does Leidos need from me? • Strong experience building SPAs with React and TypeScript., • Experience integrating front‑end applications with REST APIs., • Familiarity with Agile software development processes and working within iterative delivery models., • Familiarity with the Atlassian tool suite (e.g. Jira, Bitbucket, Bamboo), or equivalent tooling, with a solid understanding of CI/CD concepts, workflows, and practices., • Ability to perform complex engineering tasks with minimal supervision., • Experience producing technical documentation., • Proven experience writing unit and integration tests. Desirable Skills and Experience • Java experience (Java 17+/21), particularly in service or API development., • Experience with other SPA frameworks., • Familiarity with modern integration patterns (e.g. Saga, adapters)., • C/C++ experience., • Perl, Python, and/or bash scripting experience. Clearance Requirements: Successful candidates will be required to be willing and able to obtain UK Security Clearances - this requires a minimum of 5 years residency in the UK What we do for you: At Leidos we are PASSIONATE about customer success, UNITED as a team and INSPIRED to make a difference. We offer meaningful and engaging careers, a collaborative culture, and support for your career goals, all while nurturing a healthy work-life balance. We provide an employment package that attracts, develops and retains only the best in talent. Our reward scheme includes: • Contributory Pension Scheme, • Private Medical Insurance, • 33 days Annual Leave (including public and privilege holidays), • Access to Flexible benefits (including life assurance, health schemes, gym memberships, annual buy and sell holidays and a cycle to work scheme), • Flexi-Time Working Commitment to Diversity: We welcome applications from every part of the community and are committed to a truly diverse and inclusive culture. We foster a sense of belonging, welcoming all perspectives and contributions, and providing equal access to opportunities and resources for everyone. If you have a disability or need any reasonable adjustments during the application and selection stages please let us know, and we will respond in a way that best fits your needs. Who We Are: _– we work to make the world safer, healthier, and more efficient through technology, engineering and science. Leidos is a growing company delivering innovative technology and solutions focused on safeguarding critical capabilities and transformation in frontline services, our work in the United Kingdom includes addressing some of the most complex problems in defence, healthcare, government, safety and security, and transportation. What Makes Us Different: Purpose: you can use your passion and abilities at Leidos to keep the people you care about safe. We are at the forefront of machine learning, AI, cyber security and solutions. Using your skills in the technology frontline by helping to build a safer world. You can inspire change. Collaboration: having flexibility to do your job is one of our core benefits, enabling you to become part of our extraordinary team. We have been empowering our people to work flexibly for years. Whether you work from home, the office or on customer sites, we will give you the digital tools and the flexibility to work smarter and align your needs and ours. People: Leidos empowers people from every background to be themselves and gives you the tools to learn new skills by enabling growth whilst developing. We believe that extraordinary people need opportunities to grow, to be inspired and to inspire others. At Leidos, we invest in technical academies, career rotations and a career development plans that enhance your future. If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares. For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. £47,600.00-£61,000.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit _. Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at _. Securing Your Data Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at _. If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the _. Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws. #Remote

Description Lead Software Engineer Location: Farnborough, with flexibility to work from home dependent on business demands Salary: £61,500 - £78,800 The Role: The Lead Software Engineer will play a critical role in both the sustainment of the current environment and the delivery of new capabilities. The selected individual will develop solutions to complex technical issues and problems that impact multiple areas or disciplines; regularly employ ingenuity and creativity to develop new technical solutions and systems to achieve functional objectives. As a Software Engineer in Leidos, you will be immersed in one of our key programmes. On behalf of our central government customer, you will have direct impact on the current and future iterations of one of our most important pieces of critical national infrastructure. This is a technical leadership role. The individual will drive delivery, lead technical decision‑making, collaborate with engineers and architects, and act as the visible technical representative of the software team. What will I be doing? • Provide technical leadership for the software team collaborating with architects to contribute to and understand solution approach, guiding implementation, and making sound engineering decisions that balance delivery, quality, and operational risk., • Provide technical leadership across delivery and engineering practices, ensuring agreed standards and processes are applied consistently throughout the project lifecycle., • Develop, debug, test, document, and deploy software enhancements aligned with the Software Development Strategy., • Lead delivery, covering:, • Java-based backend services and APIs that process system business events and workflows, integrating with downstream systems and data services in a secure, highly available environment., • Drive strong engineering practices across the team, • Ensure adherence to established code review standards, • Ensure defined quality gates are consistently met for the project, • Promote clean, maintainable, well‑documented code, • Guide system design and development by analysing information needs, system flows, data usage, and work processes, and translating these into practical implementation approaches., • Own technical oversight for ensuring the build and deployment pipeline is continuously validated and fit for purpose for the project, working with engineers and supporting roles to ensure defined CI/CD processes, quality gates, and security scanning requirements are consistently met., • Determine operational feasibility by evaluating requests, requirements, problem definitions, solution options, and their impact on operational systems., • Lead engineers and collaborate closely with architects and the test team to ensure new and modified software is fully verified prior to promotion., • Breakdown the design into workable, and reportable, tasks for developers to incrementally deliver against in a Scrum/Agile fashion., • Oversee and enable test automation within the scope of the project:, • Ensure engineers deliver unit and integration tests as a standard part of development, • Support and coordinate automation activities, with the test team retaining ownership of overall outcomes, • Support and continuously improve Agile delivery practices, including planning, estimation, backlog refinement, and delivery cadence., • Ensure effective use of development tooling and processes, including CI/CD pipelines and integrated security scanning., • Mentor and support other engineers, helping to raise technical capability and consistency across the team., • Effectively communicate with internal stakeholders,influencing technical decisions through clear, concise, and well‑reasoned input. What essential skills does Leidos need from me? • Extensive software engineering experience, including substantial hands‑on delivery using:, • Java (Java 8 and modern Java versions such as 17 and 21), • API design and implementation, • Proven experience operating as a technical leader, including:, • Leading technical decision‑making, • Guiding and mentoring engineers, • Representing the software team in customer and stakeholder engagements, • Strong understanding of design patterns and a solid, structured approach to software development., • Strong understanding of git/Bitbucket branching strategies on large projects with moderately sized teams contributing, • Familiarity with Relational Databases (PostgresSQL), SQL and JDBC, • Demonstrated experience writing unit and integration tests as a normal part of delivery., • Familiarity with Agile software development processes and working within iterative delivery models., • Familiarity with the Atlassian tool suite (e.g. Jira, Bitbucket, Bamboo), or equivalent tooling, with a solid understanding of CI/CD concepts, workflows, and practices., • Experience ensuring compliance with code review standards, quality gates, CI/CD pipelines, and security scanning processes. Desirable Skills and Experience: • Familiarity with integration and architectural patterns (e.g. adapters, orchestration patterns such as saga)., • Experience with SOAP, REST webservices, • Experience with IBM Web Application Server or JBoss, • Familiarity with Unix, Linux or other variants, • Perl, Python, and/or bash scripting experience., • Experience with C, C++, • Strong performance debugging skills, • Experience contributing to or supporting test automation initiatives (UI and/or API). This will be a customer‑facing role therefore the successful individual must be able to clearly communicate status, risks, trade‑offs, and technical recommendations, and represent the software team in technical discussions and reviews. Clearance Requirements: The successful applicant will be required to hold and maintain UK Security Clearance and additional programme clearances. What we do for you: At Leidos we are PASSIONATE about customer success, UNITED as a team and INSPIRED to make a difference. We offer meaningful and engaging careers, a collaborative culture, and support for your career goals, all while nurturing a healthy work-life balance. We provide an employment package that attracts, develops and retains only the best in talent. Our reward scheme includes: • Contributory Pension Scheme, • Private Medical Insurance, • 33 days Annual Leave (including public and privilege holidays), • Access to Flexible benefits (including life assurance, health schemes, gym memberships, annual buy and sell holidays and a cycle to work scheme), • Flexi-Time Working Commitment to Diversity: We welcome applications from every part of the community and are committed to a truly diverse and inclusive culture. We foster a sense of belonging, welcoming all perspectives and contributions, and providing equal access to opportunities and resources for everyone. If you have a disability or need any reasonable adjustments during the application and selection stages please let us know, and we will respond in a way that best fits your needs. Who We Are: _– we work to make the world safer, healthier, and more efficient through technology, engineering and science. Leidos is a growing company delivering innovative technology and solutions focused on safeguarding critical capabilities and transformation in frontline services, our work in the United Kingdom includes addressing some of the most complex problems in defence, healthcare, government, safety and security, and transportation. What Makes Us Different: Purpose: you can use your passion and abilities at Leidos to keep the people you care about safe. We are at the forefront of machine learning, AI, cyber security and solutions. Using your skills in the technology frontline by helping to build a safer world. You can inspire change. Collaboration: having flexibility to do your job is one of our core benefits, enabling you to become part of our extraordinary team. We have been empowering our people to work flexibly for years. Whether you work from home, the office or on customer sites, we will give you the digital tools and the flexibility to work smarter and align your needs and ours. People: Leidos empowers people from every background to be themselves and gives you the tools to learn new skills by enabling growth whilst developing. We believe that extraordinary people need opportunities to grow, to be inspired and to inspire others. At Leidos, we invest in technical academies, career rotations and a career development plans that enhance your future. If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares. For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. £61,500.00-£78,800.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit _. Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at _. Securing Your Data Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at _. If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the _. Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws. #Remote

At CV-Library, we have a simple vision: to help the world to work and we are looking for exceptional and talented people to help us realise this vision in both UK and overseas markets. We are in a period of focused internal investment, following a year of key strategic acquisitions and significant investment across all parts of the business, from Tech and Data to People and HR, there's never been a more exciting time to join us or a better place to grow your career! The Role Hours: Monday-Friday, 9:00-17:30 Location: Fleet Working Pattern: Hybrid - twice a quarter We are looking for a Principal Software Engineer to provide technical leadership across our application estate. Following our multi-year re-platforming, our backend is now a collection of RESTful microservices managing state for our core data entities - meaning the majority of our business logic and product complexity now lives in our Next.js web client and React Native mobile app. This role carries ongoing influence over how those applications are built and evolve. This role is centred on driving alignment across teams and systems - owning the interface lifecycle (API specifications and event schemas), setting and managing engineering standards, and coordinating implementation approaches across Product, Architecture and Engineering. You will play a key role in shaping how our platform evolves, helping teams deliver independently while maintaining a cohesive and scalable system - carrying architectural vision into day-to-day engineering practice, and building proofs of concept where they de-risk or accelerate delivery. This is a highly collaborative role requiring strong communication, influence and the ability to build consensus across a diverse engineering organisation. Responsibilities: Own and evolve the interface specification lifecycle - REST API specifications and event schemas - including definition, documentation, versioning and governance Provide ongoing technical influence over the implementation of our Next.js web client and React Native mobile app, where the majority of our business logic and application complexity now resides Define, champion and manage engineering standards across the engineering organisation Act as the conduit for architectural vision, translating direction from Architecture into practical, deliverable approaches for engineering teams Maintain broad oversight across domains - web, mobile and backend microservices - identifying opportunities for simplification, reuse and consistency Build proofs of concept to validate approaches, de-risk complex changes and accelerate critical delivery Act as a bridge between web, mobile, backend and platform teams, ensuring alignment in how systems interact Drive clarity in system boundaries, contracts and integration patterns Facilitate cross-team technical discussions, building alignment and resolving ambiguity Identify and manage cross-cutting technical risks and dependencies Champion best practices in API and interface design, focusing on usability, scalability and maintainability Mentor engineers and technical leaders, particularly in systems thinking and across-domain design Ensure high-quality, accessible technical documentation Contribute hands-on to implementation when needed, particularly to unblock teams or de-risk complex changesWhat we're looking for Strong experience as a senior or lead engineer, with demonstrated impact beyond a single team Strong hands-on capability in modern full-stack web development; significant experience with Next.js and React is strongly preferred Experience across some or all of our core stack - MongoDB, PayloadCMS and React Native - is strongly preferred Deep experience designing, specifying and governing interfaces, including REST API specifications (e.g. OpenAPI) and event schemas, and managing them through their lifecycle Experience with AWS and Kubernetes/container orchestration is nice to have Familiarity with the wider technologies in our estate - Go, Perl, PHP, MySQL and Elasticsearch - is beneficial, supporting the broad domain oversight this role carries Proven ability to work across team boundaries, influencing technical direction and driving alignment Strong understanding of software architecture concepts and system design principles Excellent communication and consensus-building skills, with the ability to bring diverse stakeholders together Ability to navigate ambiguity and provide clarity in complex technical landscapes A systems-thinking mindset, with an interest in how different parts of a platform interact and evolve Experience supporting delivery through collaboration and influence rather than direct ownership Commitment to high standards in documentation, clarity and engineering quality Ability to context-switch between strategic thinking and practical implementation, depending on organisational needsWe are actively committed to promoting a fully diverse and inclusive workforce and we welcome applications for this role from all candidates who meet the key requirements. Please do not hesitate to get in touch should you require any reasonable adjustments to assist with your application

I am currently looking for Test Automation Engineers for a contract role in Farnborough (3-4 days onsite a week). Location: Farnborough 3-4 days a week on site. Hours: 37.5 per week Duration of contract: 4-6 months Rate: Negotiable depending on experience IR35: Inside Clearance Required: DV - suitable candidates must have current, transferrable DV Clearance Top 3: Python Test Automation experience AWS Testing Experience Security Testing experience The company are seeking a mid level Test Automation Engineer to join its UK team in the Farnborough area on an initial four-month contractor engagement. The role will support the delivery of secure, reliable technical solutions through a combination of manual testing, Python-based test automation, AWS, database and security-testing expertise. The successful contractor will be a seasoned technical individual contributor who is fully proficient in applying testing principles, theories and concepts, can become productive quickly, and can work independently on technically difficult or unclear problems within a time-bound assignment. What You Will Be Doing Define, develop, execute and maintain manual and automated test approaches across functional, integration, system and regression testing. Design and implement scalable Python test automation frameworks, reusable libraries and supporting utilities. Test AWS-hosted services and applications, including interfaces, data flows, permissions, logging and operational behaviour. Plan and perform security testing against applicable CIS Security Controls and Safeguards, confirming that required controls are implemented, configured correctly and supported by suitable evidence. Assess security controls across AWS, applications, databases and supporting infrastructure, including secure configuration, identity and access management, vulnerability management, audit logging, data protection, network monitoring and application security. Document security test plans, control-to-test traceability, findings, evidence, residual risks and remediation recommendations, and verify corrective actions through retesting. Validate relational and/or non-relational databases through data interrogation, reconciliation, integrity checks and backend testing. Analyse requirements, designs and acceptance criteria to determine test coverage, traceability and risk-based priorities. Investigate failures, identify root causes, record high-quality defects and collaborate with engineering teams through resolution and retest. Produce clear test plans, test cases, automation assets, evidence, results and completion reports. Support estimation, planning, technical reviews and continuous improvement of test practices, tooling and quality controls. Provide technical guidance, coaching and constructive review to less experienced technical staff. Communicate technical findings, risks and recommendations to internal stakeholders, project leaders and client team members. What We Are Looking For Strong practical experience of manual testing, including test analysis, design, execution, defect management and reporting. Proven experience creating and maintaining automated tests using Python. Hands-on experience testing applications or services hosted in AWS. Practical security testing experience focused on assessing CIS Security Controls and Safeguards, including the ability to translate control requirements into measurable test cases and evidence-based findings. Experience testing security controls within cloud and hybrid environments, with particular attention to secure configuration, access control, logging, vulnerability management, data protection and application security. Strong database testing skills, including the use of SQL for data validation and fault investigation. Ability to develop solutions to difficult or unclear technical testing problems through deep analysis and collaboration with internal experts. Deep understanding of software testing principles, test techniques, quality risks and the software development lifecycle. Broad awareness of related engineering disciplines, including software development, infrastructure, security and deployment practices. Experience working independently and taking ownership of complete testing projects or processes within a technical area. Strong written and verbal communication skills, with the ability to influence project and team leaders on test design, process and technical approach. Desirable Skills Experience integrating automated tests into continuous integration and continuous delivery/deployment (CI/CD) pipelines. Experience using Selenium for browser-based test automation. Proficiency with Git-based version control, branching, pull requests and peer review. Experience with API testing, test doubles, service virtualisation or performance testing. Familiarity with containerised environments and infrastructure-as-code delivery practices. Experience working within Agile delivery teams. Level Requirements Operate as a seasoned technical individual contributor, fully proficient in applying technical principles, theories and concepts within the testing discipline. Work independently to deliver objectives that have a significant impact on operational results or project deliverables. Take responsibility for entire projects or processes within the assigned technical testing area. Develop solutions to technical issues that are difficult, unclear and dependent on deep technical knowledge. Collaborate with internal experts and consider the impact of testing solutions on the end product or service. Communicate effectively with internal and client project team members. Influence project and team leaders regarding solution design, processes and technical approaches. Demonstrate a deep understanding of the technical testing domain and a broad understanding of related specialist areas. Coach and review the work of lower-level technical staff where required. If this role is of interest, please send an updated CV to (url removed) and I will call you to discuss further

Staff Backend Engineer, AlertingThis is a remote opportunity and we would be interested in applications from the UK. The backend-focused team works closely with customers and the Grafana Cloud teams to make Alerting work on-prem and at infinite scale in Cloud. Drive projects from initial ideation al

Success MetricsDelivery of robust, scalable backend services supporting control plane operationsHigh-quality, well-documented, and stable APIs with strong adoptionReduced operational friction through automation and improved supportabilityStrong system reliability, performance, and uptime at scaleSec

We’re looking for a Staff-level Backend Engineer to help build the first production services for this context layer management system. What Makes You a Great Fit:Strong engineering skills: Solid experience building production-grade, user-facing software systems. Experience with LLMs, prompt engine

What you'll be doing Design, build, and operate the backend services behind real-time collaborative editing, game publishing, and content delivery Own systems end-to-end - from design and implementation through deployment, monitoring, and running them in production Evolve how the platform scales - s

We are seeking a Backend Engineer who thrives on building production systems where correctness, scalability, and operational clarity are paramount. Backend Engineer - Platform - StacksThis role is available for candidates located in the UK, Germany, Spain, Ireland and Sweden. We value engineers who

An overview of this roleAs a Senior Backend Engineer on the Duo Chat team, focused on Chat Engine, you'll build the core AI capabilities behind GitLab Duo Chat, the natural-language and agentic interface to the GitLab DevSecOps platform. Document standards, patterns, and learnings with other enginee

Senior Backend Engineer - Databases - Loki Query | EMEA | RemoteThe Opportunity:Grafana Cloud is our composable observability platform that integrates metrics, logs, and traces with Grafana. We also have engineers working on Prometheus, Grafana Agent, Mimir proxies, and OpenTelemetry. Drive projects

As a Staff Engineer, you will:Partner with Engineering, Product, and UX leadership to pressure-test our priorities: where we can move faster, where we're missing data, and where there's whitespace to innovate. An overview of this roleAs a Staff Backend Engineer (AI) in the Verify stage at GitLab, yo

Turn Pyroscope into a platform capability inside Grafana: bi-directional trace-to-profile correlation, integration with Kubernetes Monitoring and App Observability, and profiles surfaced where engineers already start their investigations. What You'll Be DoingAs a Senior Engineer on Pyroscope, you wi

What you’ll bring to the Team:Expertise in Backend Development: Strong proficiency in Node. Experience: at least 8 years of experience as a Software Engineer. You're the Engineer We're Looking for if You:Excel in Application Development: You thrive in designing, coding, testing, and maintaining ap

Who You Are:A backend engineer who excels at building reliable, performant services in TypeScript and Node. What You Bring:5+ years of software engineering experience with a strong focus on backend development, with a preference for building developer tools or infrastructure. We’re hiring a Senior

As a Senior Software Engineer, you will own features end to end, from design through delivery, building agentic experiences on top of the Duo Agent Platform. Collaborate with engineers across the DAP organization on shared interfaces and patterns.

Provide an Exceptional, Customer-Centric Experience: Ensure top-tier products and services through quality engineering and attentive, customer-focused development. What you’ll bring to the Team:Expertise in Backend Development: Strong proficiency in Node. Experience: at least 4 years of experience

What you’ll bringStrong backend engineering experience, ideally with Kubernetes-based systems, distributed applications, or platform engineeringExperience with deployment architecture, environment management, or cloud-native operationsComfort working at the boundary of developer workflows and prod

We are using Golang on the backend; you are either already familiar with Golang or are excited to learn the languageIn UK, the compensation range for this role is 103,958 - 124,750.

About the teamWe're part of GitLab's AI Engineering organization. We work closely with our manager, product manager, and designer, and we coordinate cross-departmentally with other AI Engineering teams, since GitLab's AI teams work closely together. We value autonomy and ownership, giving engineers

Software Engineer III in London to build backend services for LLM inference and scalable production systems.

Robinhood in London is seeking a Senior Backend Engineer to join the Custody Services team, building the crypto processing infrastructure, wallet and key management workflows, and third-party integrations.

Evaluate and adopt emerging technologies, including AI‑enabled engineering capabilities, to drive innovation and productivity across the organization. Experience using agentic AI to automate engineering workflows such as testing, code reviews, documentation, operational support, and data quality m

ZigZag Global Ltd is seeking a Senior Staff Engineer (Backend & Infrastructure) to lead the engineering effort across backend systems and cloud infrastructure.

Cisco ThousandEyes is seeking a Backend Technical Leader for the Connected Devices Platform to drive scale, resilience and new architectures. You will own high-volume streaming and backend services, shaping API design and data models to deliver reliable experiences.

We're looking for a Backend Engineer to build a fraud engine that will help us ship new products and features quickly while keeping risk and cost low. Hands-on experience with distributed systems, including microservices architecture and backend services supporting large-scale traffic. Proficiency i

Xapien is seeking a Staff Backend Engineer to join our engineering team in a high-impact technical leadership role. You will own parts of our platform’s architecture, shape our backend strategy, and drive scalable Go-based services across multiple teams.

United States Digital Space LLC is seeking a Senior Software Engineer to design and build backend systems powering AI agent orchestration.

You will design, implement, and optimize high-throughput backend systems for trading and payment workflows, collaborating across a vast engineering ecosystem to raise technical standards and accelerate delivery. Senior Software Engineer to join Payward Services in a fully remote role within the Unit

Proven track record of owning and delivering backend services for scaling SaaS‑based products that are widely relied upon by active users. We’re looking for someone who is passionate about the backend and brings lessons learned from scaling SaaS platforms that were used by thousands of active us

We're looking for experienced backend engineers who care deeply about reliability, performance, and scalability. Hi, I'm Paul, VP of Engineering at Customer. You'll design, build, and evolve the systems that power communication at massive scale - while helping us push the boundaries of what great en

CoinDesk is seeking a highly experienced Java Backend Engineer for its Risk Engineering team.

The Trade Desk is a global technology company in London seeking a Lead Staff Software Engineer to own backend systems for a high-traffic data platform. You will design, build, and operate core services, mentor engineers, and collaborate across teams to drive technical direction in a fast-paced envir

This hands-on IC role focuses on scalable backend systems and operating at scale, reporting directly to the Head of Engineering and CTO/Co-Founder. Oliver Bernard is seeking a Principal Engineer for a London-based, YC-backed AI startup.

Close collaboration with software engineers (backend and mobile), product managers, data scientists, and designers to deliver rapid value to end-users. In this role, you’ll be working alongside a team of talented engineers and partner with product, design, and data science to prioritize, estimate,

ZigZag Global Ltd is recruiting a Senior Staff Engineer (Backend & Infrastructure) for a fully remote role within the UK. You will shape tech strategy, drive reliability, and lead backend and infra initiatives across a growing SaaS platform.

Lightning AI is seeking a Senior Software Engineer to design and build the backend systems powering its agent platform.

We are hiring multiple Staff Software Engineers to join core product areas, with high ownership and cross-functional impact.

Chip Financial Ltd, a London-based fintech, is seeking a Senior Backend Software Engineer to lead the development of a unique Lombard lending platform. You will architect backend services, mentor engineers, and drive best practices across cloud-native microservices using Java and Spring Boot in a sc

A tech company in the HR sector is seeking a Senior Backend Engineer to join their Payroll Foundations team. This role involves building and maintaining backend systems for payroll processing, ensuring accuracy and reliability. Candidates should have strong experience in backend systems, proficiency

You'll have autonomy and a significant impact on building core backend services for our platform used by major companies like Spotify and Google. This role requires at least 8 years of experience in backend development, particularly with Node. United States Digital Space LLC is seeking a Senior Soft

Senior Backend Software Engineer. You will lead the development of Chip Financial Ltd's unique Lombard lending platform, shaping architecture and establishing engineering best practices. This high-impact role involves collaborating with cross-functional teams to deliver reliable fintech solutions wh

Morson Edge (Technology) is seeking a Senior Staff Software Engineer to shape engineering strategy and drive architecture for high-volume backend systems in a remote-first setup with occasional Manchester travel. You will lead long-term architecture for distributed services, influence technical dire

Valarian Technologies is hiring a senior backend engineer to design, build, and operate backend and platform services in Go.

Valarian is hiring a Senior Backend Engineer to design, build and operate backend services for the ACRA platform. Remote or London-office flexibility awaits a driven, product-minded engineer.

We are seeking a Senior Product Engineer (Backend) to own end-to-end design, architecture, and implementation of our Kota Embed APIs and developer-focused documentation.

As a Senior Software Engineer you will collaborate with the engineering team and product managers to design, engineer and operate our highly scalable machine learning platform. As part of the Communications Mining team, you'll be responsible for building and maintaining our backend and ML serving se