Junior software engineer jobs in CheltenhamCreate job alerts

• Must have active enhanced DV (West) Clearance, • Junior to Lead levels available, • £45k to £95k DoE plus 15% clearance bonus, • Must be willing to be full-time on-site in Cheltenham, • Skills required in machine learning, GenAI, NLP, Customer Engagement/Consultancy Who are we? We are recruiting Junior, Senior and Lead Data Scientists with AI specialism and enhanced DV Clearance for a prestigious client to work on a portfolio of public and private sector projects. Our client is a global leader in technology, consulting, and engineering services at the forefront of innovation to evolve the world of digital, cloud, and platforms. You'll experience excellent career progression opportunities to develop your skillset and personal profile in an inclusive culture. What will the Data Scientist be doing? Our client is seeking individuals with strong technical expertise in machine learning, GenAI, computer vision, and data science, alongside solid skills in solution architecture and software engineering to design and scale impactful solutions. This role involves working closely with clients to identify challenges, define solutions, communicate their value clearly, and lead teams to successful delivery. There are also opportunities to publish whitepapers and represent the organisation at conferences, all within an inclusive and diverse working environment. Key Skills and Requirements: • Proficient in AI techniques including machine learning, GenAI, NLP, deep learning, graph analytics, and time series analysis., • Strong communicator with the ability to simplify complex concepts, manage stakeholders, and motivate/lead Agile teams to deliver robust outcomes., • Experienced in securing work through RFI/RFPs, bids, and presentations across public and private sectors., • Skilled in data science platforms (e.g. Databricks, AzureML) and cloud services (AWS, Azure, GCP), with knowledge of tools like Terraform., • Experienced in deploying solutions using Docker, Kubernetes, CI/CD tools. To be Considered: Please either apply by clicking online or emailing me directly at . For further information please call me on or - I can make myself available outside of normal working hours to suit from 7 am until 10 pm. If unavailable, please leave a message and either myself or one of my colleagues will respond. By applying for this role, you give express consent for us to process & submit (subject to required skills) your application to our client in conjunction with this vacancy only. Also feel free to connect with me on LinkedIn, just search for Henry Clay-Davies. I look forward to hearing from you. KEY SKILLS: Data Science / Data Scientist / AI Engineer / AI / Machine Learning / ML / NLP / GenAI / Stakeholder Engagement / Customer Engagement / AWS / Azure / Cloud / Docker / Kubernetes / CI/CD / Deep Learning

£95,000 DOE + Benefits | Manchester (with travel) | Must Hold Existing UK Security Clearance APPLICANTS MUST HAVE ENHANCED DV CLEARANCE FOR THESE ROLES - NO MOD DV CLEARANCE ACCPETED! I’m currently supporting a specialist organisation operating at the leading edge of Defence and Cyber Security as they continue to expand their engineering teams. We’re looking for Test Engineers who are passionate about quality, reliability, and building robust systems for mission‑critical environments. This role is ideal for someone who enjoys working across complex platforms, collaborating closely with engineers, and shaping how testing is done—not just executing it. About the Role As a Test Engineer, you’ll be embedded within cross‑functional engineering teams, ensuring that software meets the highest standards of assurance. You’ll help define testing strategies, build automation frameworks, carry out exploratory testing, and contribute to a culture where quality is baked into every stage of delivery. This organisation welcomes applicants from varied backgrounds. Strong testing fundamentals, curiosity, and pragmatic problem‑solving matter more than familiarity with every specific tool. What You’ll Be Doing • Designing and executing manual and automated tests across complex software systems, • Building, maintaining, and extending test automation frameworks, • Performing exploratory and risk‑based testing to uncover edge cases, • Working closely with engineers to improve testability and quality, • Contributing to continuous improvement across tools, frameworks, and practices Skills & Experience (Any of the following) You don’t need everything listed—just a solid foundation and a willingness to learn. Technical Experience: • Programming/scripting with Java, Python, JavaScript, or TypeScript, • Testing web applications (e.g. Angular, React, Vue), • Automated testing tools such as Robot Framework, Cypress, Cucumber, • Experience building or evolving test frameworks, • Docker, Kubernetes, AWS or Azure, • UK citizen with 10+ years UK residency, • Must already hold high‑level UK security clearance, • Salary: £40,000–£85,000 (flexible for exceptional junior or senior candidates), • 10% clearance bonus, • 25 days holiday + bank holidays, • Option to buy/sell up to 5 days, • 8% employer pension contribution, • BUPA health cover, • Life cover at 4× salary, • EV salary‑sacrifice scheme, • EMI share scheme, • Flexible working + flexi-time, • 10 days annual training allowance, • Individual training & career development plans for every employee This is a fantastic opportunity to work on meaningful, high‑impact systems within an environment that genuinely invests in professional growth.

Staff Software Engineer £73000 - £91,000 + Comprehensive Benefits + Bonus, BUPA Gloucester, Gloucestershire 4 Day Work Week Option Lockheed Martin Rotary and Mission Systems (RMS) provides systems engineering, software development, training solutions and complex program management for global security, civil and commercial markets. Simply stated, our mission is to be the world’s leading global security and aerospace company. We have 5 exciting opportunities arising at our site in Gloucester for Senior Staff Software Engineers, primarily a variety of Defence, Cyber and Intelligence programmes. At Lockheed Martin we’ll provide you with meaningful work and education opportunities that will allow you to develop your skills and enhance your career with us, but equally important you can also enjoy a strong work life balance. To ensure this we offer a flexible work schedule, hybrid work and a comprehensive benefits package to enable you to live a healthy fulfilling life in and outside of work. We offer our 4 Day Work Week on this role! A range of specialisms exist in this essential and rewarding role. You may specialise in just one area or operate across multiple Software Development disciplines with a specific focus on the Cyber domain. These are Level 4 hires so we require advanced/expert levels of proficiency within the following skill set. Typically, you will be involved in one or more of the following: • Planning, conducting and coordinating software development activities., • Working with customers and key stakeholders to identify requirements and ready to advise on and influence the adoption of suitable architectures and solutions., • Design and development of tests to debug software., • Working with customer requirements that are to be programmed into business/mission applications, whilst utilising the appropriates standards, processes and tools throughout the entire development lifecycle., • Mentoring of junior engineers., • Analysis of system capabilities to resolve questions of program intent, output requirements, input data acquisition, programming techniques, and controls., • Championing automation in the form of IaC, CI/CD and test automation. As a Staff Software Engineer, you’ll play a pivotal role in developing cutting edge DevSecOps software systems and applications. You’ll be at the forefront of driving innovation and safeguarding digital infrastructures in the UK. If you’re passionate about Software Engineering and eager to take your career to the next level, we want to hear from you! Apply now to join our team and embark on an exciting journey of innovation and growth. If you’re passionate about software engineering and eager to take your career to the next level, we’d love to hear from you. Apply today to join our team and embark on an exciting journey of innovation and growth. What skills will I need? • Expert knowledge of current Java., • Proficient in another language such as Python, C++, JavaScript, TypeScript, React., • Experience of developing on Linux., • Advanced understanding of mocking and unit testing frameworks such as JUnit 5.x (Jupiter)., • Expert with Git version control., • Proficient in Agile Development using SCRUM., • Advanced knowledge of Oracle/ Relational Databases and/or Mongo., • Experience of GitLab CI/CD Pipelines., • Experience of Apache NiFi., • Experience in the use of Atlassian Suite - Bitbucket, Jira, Confluence., • Experience of Elasticsearch and Kibana., • Advanced knowledge of Hibernate., • Advanced knowledge of AWS Services such as EC2, EKS, Fargate, IAM, S3, Lambda., • Experience of CI/CD software pipelines for Cloud deployments., • Experience of developing software for cloud deployment – specifically AWS., • Experience developing software for microservice and or serverless architectures., • Understanding the development challenges moving on-prem workload to cloud. We would love to hear from you if you have any of the following Qualifications or Certifications: • Oracle Java Certification., • AWS Certification., • ISTQB Certification., • OSCP Certification., • CCNA Certification. Lockheed Martin is committed to upholding principles of equal opportunity, fostering a work environment that is aligned with our core values of integrity, respect, and exceptional performance. We recognize the importance of leveraging the unique talents and experiences of all our employees to drive innovation, deliver superior solutions, and maximize value for our customers. Our focus is on identifying the most qualified candidate for each role, regardless of their background. If you are interested in a position, we invite you to share how your skills and perspectives could bolster our team and encourage you to apply, even if you feel your qualifications do not fully meet all the job criteria outlined in our advertisement. Furthermore, Lockheed Martin is dedicated to ensuring our recruitment process is inclusive for all individuals. We are prepared to accommodate reasonable adjustments for applicants as needed. If you require assistance or adjustments to participate in the job application or interview process, please contact or call 02392 415270.

New Permanent Opportunity for an Enhanced DV Cleared Data Scientist / AI Engineer in Cheltenham. • Must have active enhanced DV (West) Clearance, • Junior to Lead levels available, • £45k to £95k DoE plus 15% clearance bonus, • Must be willing to be full-time on-site in Cheltenham, • Skills required in machine learning, GenAI, NLP, Customer Engagement/Consultancy Who are we? We are recruiting Junior, Senior and Lead Data Scientists with AI specialism and enhanced DV Clearance for a prestigious client to work on a portfolio of public and private sector projects. Our client is a global leader in technology, consulting, and engineering services at the forefront of innovation to evolve the world of digital, cloud, and platforms. You’ll experience excellent career progression opportunities to develop your skillset and personal profile in an inclusive culture. What will the Data Scientist be doing? Our client is seeking individuals with strong technical expertise in machine learning, GenAI, computer vision, and data science, alongside solid skills in solution architecture and software engineering to design and scale impactful solutions. This role involves working closely with clients to identify challenges, define solutions, communicate their value clearly, and lead teams to successful delivery. There are also opportunities to publish whitepapers and represent the organisation at conferences, all within an inclusive and diverse working environment. Key Skills and Requirements • Proficient in AI techniques including machine learning, GenAI, NLP, deep learning, graph analytics, and time series analysis., • Strong communicator with the ability to simplify complex concepts, manage stakeholders, and motivate/lead Agile teams to deliver robust outcomes., • Experienced in securing work through RFI/RFPs, bids, and presentations across public and private sectors., • Skilled in data science platforms (e.g. Databricks, AzureML) and cloud services (AWS, Azure, GCP), with knowledge of tools like Terraform., • Experienced in deploying solutions using Docker, Kubernetes, CI/CD tools. To be Considered: Please either apply by clicking online or emailing me directly at . For further information please call me on 0161 416 6800 or 07719065951 - I can make myself available outside of normal working hours to suit from 7 am until 10 pm. If unavailable, please leave a message and either myself or one of my colleagues will respond. By applying for this role, you give express consent for us to process & submit (subject to required skills) your application to our client in conjunction with this vacancy only. Also feel free to connect with me on LinkedIn, just search for Henry Clay-Davies. I look forward to hearing from you. KEY SKILLS: Data Science / Data Scientist / AI Engineer / AI / Machine Learning / ML / NLP / GenAI / Stakeholder Engagement / Customer Engagement / AWS / Azure / Cloud / Docker / Kubernetes / CI/CD / Deep Learning

Software Engineer (Rust)Cheltenham / Hybrid / Remote Check you match the skill requirements for this role, as well as associated experience, then apply with your CV below. My client is looking for an experienced Software Engineer with strong Rust expertise to join a growing UK technology business delivering secure software and communications solutions into the national defence sector. This is an opportunity to work across live programmes, next-generation product development, and cutting-edge proof-of-concept work, using modern engineering to solve complex real-world challenges. It would suit someone who wants to build secure, high-performance, memory-safe software in an environment where technical quality, innovation, and real-world impact genuinely matter. Benefits • £70,000 - £85,000 basic salary, • Bonus, • Hybrid working and flexibility, • Pension, • Private healthcare, • Electric car scheme, • Training and development opportunities, • Friendly, knowledgeable, peer-sharing culture, • You will join a team building secure, high-performance software for complex and mission-critical environments. The successful candidate will design, develop, and maintain software components written primarily in Rust, while also contributing to wider engineering decisions, technical direction, and best practice., • Responsibilities will include:, • Designing, developing, testing, and maintaining production-quality software in Rust, • Building secure, scalable, and memory-safe software components for operationally critical systems, • Contributing to system architecture and selecting appropriate Rust-based frameworks and design patterns, • Acting as a technical point of contact for Rust-related engineering decisions within the team, • Working with asynchronous Rust and networked services in high-performance environments, • Producing clean, maintainable, well-tested code with a strong focus on reliability and security, • Participating in code reviews and helping drive engineering quality across the wider software team, • Mentoring junior and mid-level engineers, promoting knowledge sharing and continuous improvement, • Working closely with architects, product owners, DevSecOps, cloud, and security engineering teams, • Producing technical documentation including design specifications, API documentation, and operational runbooks, • Participating in Agile ceremonies including sprint planning, stand-ups, retrospectives, and backlog refinement, • Strong commercial experience as a Software Engineer, Rust Engineer, or Backend / Systems Software Engineer, • Strong commercial experience developing production software in Rust, • Strong understanding of Rust ownership, borrowing, lifetimes, and concurrency primitives, • Experience with asynchronous Rust such as Tokio or async-std, • Proficiency with Rust tooling including Cargo, Clippy, Rustfmt, and the wider crate ecosystem, • Solid understanding of software engineering fundamentals including data structures, algorithms, and systems design, • Experience with version control, Git, CI/CD pipelines, and automated testing, • Strong communication and collaboration skills, • Existing SC clearance, • Experience working in defence, secure technology, or other highly regulated environments, • Knowledge of cloud platforms such as AWS or Azure, • Experience with Infrastructure as Code, for example Terraform, • Familiarity with containerisation such as Docker and orchestration platforms such as Kubernetes, • Understanding of zero-trust architectures, mTLS, and PKI, • Experience with cross-language FFI such as Rust / C / C++, • Exposure to embedded, low-level, or systems-level Rust development, • Experience building secure networked services or communications-focused platforms

ROLE – Embedded Software Engineer (Graduate - Mid-level). Embedded Software Engineer will ideally have the following Skills:. The Embedded Software Engineer role will involve:.

Junior Software Engineer - LondonSalary: As a Junior Software Engineer you will be responsible for delivering well-defined small technical tasks with the support of other engineers. You will work alongside senior engineers to participate in code reviews and learn further practices. Observe more seni

As a Junior Software Engineer, you’ll be part of a cross‑functional squad, building high‑quality software that helps Tails. You have 6–12 months of commercial experience in software engineering. Work closely with your squad’s Lead Software Engineer and Product Manager to deliver core capab

A small, well-funded startup in Shoreditch is seeking a junior to mid-level Software Engineer. You will join an engineering team and write code daily, experiencing the impact of your work.

A technology company in London is seeking a Junior Embedded Software Engineer to design and develop embedded software for microcontrollers. Responsibilities include coding, debugging, and collaborating with hardware engineers.

Software Engineer, Junior / Graduate (m/f/*). Understanding of software engineering best practices. You are an early-career software developer or recent graduate with a keen interest in generating real-world impact with industrial applications.

We are seeking an experienced and passionate Embedded Software Engineer to join our dynamic engineering team and help design, develop, and optimize software for our next-generation hardware platforms. Job Title: Junior Embedded Software Engineer. Bachelor’s or Master’s degree in Computer Enginee

A technology recruiting firm is looking for a Junior Software Engineer on a contract basis in London.

Staff-Level Full-Stack Software Engineer. Principal Software Engineer, Nifty Gateway. Software Engineer, Nifty Gateway (Fullstack).

We are hiring a Junior Software Engineer to join our Engineering team and help improve the user experience on our website. As a software engineer on the Motorpoint. Knowledge of version control software (Git / Azure DevOps).

Software Engineers at Gr4vy collaborate across product, engineering, design, and other stakeholders. M in funding and nearly doubling our valuation in less than a year, it’s an exciting time to join the engineering team of this innovative B2B startup. You work with support from senior engineers to

Dirac-Software/barcode-hiring/. Dirac Trading Group is building the market maker for the $750bn+ excess stock industry; using AI and software to find buyers and sellers for the world's excess stock.

Excellent understanding of Computer Science and software engineering fundamentals. A leading technology company is looking for several talented Full Stack Engineers to join their growing London team. The team is passionate about engineering excellence, product quality and creating intuitive, data dr

Junior Developer | up to £35,000 | Remote. Pearson Carter is the Global Leader in Microsoft Technology, Web, Mobile and Software Development Recruitment with specialist roles across the globe - www. Staffing and Recruiting, Software Development, and IT Services and IT Consulting.

A trading technology company in Greater London is seeking a motivated individual to join a small team working on stock matching systems and logistics backend.This innovative role will involve significant technical work and support the company's growth from millions to billions in trading revenue.The

Main Responsibilities as a Junior Software Engineer. For further information on this Junior Software Engineer role apply below. Design and build software that is scalable and high performing.

Fixed-Term Contract – Temp to Perm.Immediate - Please only apply if you are immediately available.AI to empower agentic automation.You’ll help organizations build and scale intelligent applications that optimize customer engagement and operational efficiency, all while fast-tracking your own fut

Our client is searching for a passionate Junior Software Developer to work on a wide range of software and apps for an in-house suite of products. This is an exciting opportunity to work on cutting-edge projects and develop industry-standard software solutions. Collaborate with cross-functional team

As a Junior Software Engineer you will be responsible for delivering well‑defined small technical tasks with the support of other engineers. You will work alongside senior engineers to participate in code reviews and learn further practices. Observe more senior engineers participating in code revi

This role blends software engineering with elements of. Software, QA, and SRE Engineers. Collaborative environment with a team of engineers based in multiple countries.

A leading financial institution is seeking a Junior Software Engineer to join their Technology team. The position includes competitive benefits such as a pension plan and hybrid working options, allowing you to develop your skills alongside experienced engineers.

We are looking for a junior developer who enjoys working at the intersection of software engineering and mathematical optimisation. Understanding of core software engineering concepts, data structures, and algorithms. A clear development path into a hybrid role spanning software engineering and opti

Understanding of data engineering, ETL pipelines, backend web development, GraphQL, and FastAPI. BSc or MSc in Mathematics, Physics, Computer Science, or Engineering (STEM). Engineering and Information Technology.

A leading tech startup in London is seeking a Junior/Graduate Software Engineer to support the development of innovative industrial applications.

A leading trading firm in Greater London is seeking a technically inclined professional to join a small team focused on developing stock matching systems and logistics backends.This role offers the chance to work closely with the founder and CTO, contributing to innovative trading solutions.Ideal ca

Junior Software Engineer (Contract) - Java / Spring / React. A Central Government client of iO's are seeking a Junior Software Engineer on a contract basis to support development of modern web applications using Java, Spring, and React.

A global energy consultancy is seeking a Software Development team member, focused on creating innovative digital solutions in the energy sector. This junior role emphasizes collaboration, Agile methodologies, and offers support for early-career developers.

A global energy trading company is seeking an Associate Developer based in London.The ideal candidate should have a strong background in Comp Science or a STEM degree, along with knowledge in C# and SQL.The role involves working within the Front Office to support trading operations, with a focus on

A technology firm in the UK is looking for a Junior Developer skilled in Python to work on exciting optimisation challenges. This position offers hands-on experience and mentorship, with a clear development path toward optimisation engineering.

This role is specifically targeted at people early in their Software Development careers, with additional resources and support for learning, hands‑on experience and career progression. A successful candidate will have a strong understanding of the Software Development Lifecycle; web security and

Junior Software Engineer – Global FX Trading. This is an excellent position for a Junior Software Developer looking for their second job as you will be working alongside and learning from some of the smartest engineers on the market, with incredible career progression opportunities to rapidly buil

If you want to learn fast, ship real software, and work alongside genuinely strong engineers, this is a rare junior opportunity. Working closely with product and senior engineers to turn requirements into robust software. You’ll join a small but senior‑heavy engineering team, led by an experienc

Ideal candidates will have software experience in production environments and a background in engineering or computer science. A leading trading technology company is seeking a talented engineer to join their small team working on innovative trading systems.

As a Junior Software Engineer at Feefo, you’ll work closely with engineers and stakeholders across the product engineering organisation to help keep our platform reliable, stable, and performing at scale. Reporting to the Director of Engineering, the Junior Software Engineer plays a critical role

Graduate or Junior Embedded Software Engineer. Graduate or Junior Embedded Software Engineer. Graduate Embedded Software Engineer ideally should have the following skills:.

Were looking for a Senior Software Engineer to join our Settlement Systems team, part of a broader engineering space that delivers critical systems to help the UK achieve Net Zero by 2050.

Responsibilities & required experience: Programming in C (at least 5 years of experience) C++ experience Real time operating system experience (FreeRTOS, VxWorks, Thread X etc) Familiarity with structures, data, efficiencies and real time architecture development Bare metal / board bring up experie

Customer Data Analyst | Customer Data | SQL | Hybrid working 2/3 days per week South Somerset | £40,000 + benefits + up to a 20% discretionary bonus.Method Resourcing have partnered with an established retail business who are looking to add a Customer Data Analyst into the Data team as they continu

Trainee Data Analyst – No Experience Needed.Build a future-proof career in Data & AI – starting today.Artificial Intelligence runs on data — and businesses are crying out for professionals who can collect, analyse, and interpret it.Looking for a career change? Want something analytical, struct

IR35 Status: PAYE via Umbrella company only.We are heading up a recruitment drive for a global consultancy that require SC Cleared Applications Developer x2 to join them on a major government project that's based remotely.API development (WebMethods, Kong).Containerised deployments (Docker).

Experience across the full software development lifecycle, from research and concept through to product delivery. The role requires close collaboration within an agile software environment, applying strong technical expertise and domain knowledge while communicating effectively with a broad range of

Senior Embedded Software Engineer - Control Systems. They're looking for a Senior Embedded Software Engineer to join their growing team. Contribute to planning, estimation, and mentoring junior engineers.