Trabajos back end developer en Reino Unido

Join the DataAnnotation team and contribute to developing cutting-edge AI systems, while enjoying the flexibility of remote work and setting your own schedule. We are looking for a proficient Data Scientist to help advance AI development. As a member of DataAnnotation’s coding team, you’ll be part of a growing community of over 100,000 professionals — including front-end, back-end, full-stack, machine learning, and other engineers — who are driving real-world impact in AI development. Our platform offers an engaging blend of flexibility and challenge: you’ll work closely with state-of the art AI models to take on programming tasks that include creating and solving challenging coding problems, building beautiful apps with rich functionality, and synthesizing insights through data analysis and visualization. Your work directly contributes to refining intelligent systems that learn, adapt, and evolve. Some team members fit this work alongside a full-time role, while others treat it as their primary focus, choosing projects and schedules that align with their availability and goals. To get started, once you sign up for an account, you'll take a short assessment (this serves as our version of an interview). If you pass that assessment, you’ll receive an email confirmation, and paid work will become available to you through our platform. Benefits: * Fully remote: work from anywhere in the US, Canada, UK, Ireland, Australia, and New Zealand. * Flexible schedule: choose which projects you take on and when you work. * Competitive pay: projects are paid hourly, starting at $40+ USD per hour. Opportunities for higher-paying projects are available with strong performance. * Impact: help shape the future of AI technologies. Responsibilities: * Design and solve diverse coding problems used to train AI systems. * Write clear, high-quality code snippets and detailed explanations. * Evaluate AI-generated code for accuracy, performance, and clarity. * Provide feedback that directly shapes the next generation of AI models. Qualifications: * Fluency in English (native or bilingual level). * Proficiency in at least one of the following programming languages or frameworks: JavaScript, TypeScript, Python, C, C#, C++, React, Go, Java, Kotlin, or Swift. * Excellent writing and grammar skills. * A bachelor’s degree (completed or in progress). * Previous experience as a Software Developer, Coder, Software Engineer, or Programmer is preferred. Note: Payment is made via PayPal. We will never ask for any money from you. PayPal will handle any currency conversions from USD. This job is only available to those in the US, Canada, UK, Ireland, Australia, and New Zealand. Those located outside of these countries will not see work or assessments available on our site at this time.

Join the DataAnnotation team and contribute to developing cutting-edge AI systems, while enjoying the flexibility of remote work and setting your own schedule. We are looking for a proficient Data Scientist to help advance AI development. As a member of DataAnnotation’s coding team, you’ll be part of a growing community of over 100,000 professionals — including front-end, back-end, full-stack, machine learning, and other engineers — who are driving real-world impact in AI development. Our platform offers an engaging blend of flexibility and challenge: you’ll work closely with state-of the art AI models to take on programming tasks that include creating and solving challenging coding problems, building beautiful apps with rich functionality, and synthesizing insights through data analysis and visualization. Your work directly contributes to refining intelligent systems that learn, adapt, and evolve. Some team members fit this work alongside a full-time role, while others treat it as their primary focus, choosing projects and schedules that align with their availability and goals. To get started, once you sign up for an account, you'll take a short assessment (this serves as our version of an interview). If you pass that assessment, you’ll receive an email confirmation, and paid work will become available to you through our platform. Benefits: * Fully remote: work from anywhere in the US, Canada, UK, Ireland, Australia, and New Zealand. * Flexible schedule: choose which projects you take on and when you work. * Competitive pay: projects are paid hourly, starting at $40+ USD per hour. Opportunities for higher-paying projects are available with strong performance. * Impact: help shape the future of AI technologies. Responsibilities: * Design and solve diverse coding problems used to train AI systems. * Write clear, high-quality code snippets and detailed explanations. * Evaluate AI-generated code for accuracy, performance, and clarity. * Provide feedback that directly shapes the next generation of AI models. Qualifications: * Fluency in English (native or bilingual level). * Proficiency in at least one of the following programming languages or frameworks: JavaScript, TypeScript, Python, C, C#, C++, React, Go, Java, Kotlin, or Swift. * Excellent writing and grammar skills. * A bachelor’s degree (completed or in progress). * Previous experience as a Software Developer, Coder, Software Engineer, or Programmer is preferred. Note: Payment is made via PayPal. We will never ask for any money from you. PayPal will handle any currency conversions from USD. This job is only available to those in the US, Canada, UK, Ireland, Australia, and New Zealand. Those located outside of these countries will not see work or assessments available on our site at this time.

Join the DataAnnotation team and contribute to developing cutting-edge AI systems, while enjoying the flexibility of remote work and setting your own schedule. We are looking for a proficient Data Scientist to help advance AI development. As a member of DataAnnotation’s coding team, you’ll be part of a growing community of over 100,000 professionals — including front-end, back-end, full-stack, machine learning, and other engineers — who are driving real-world impact in AI development. Our platform offers an engaging blend of flexibility and challenge: you’ll work closely with state-of the art AI models to take on programming tasks that include creating and solving challenging coding problems, building beautiful apps with rich functionality, and synthesizing insights through data analysis and visualization. Your work directly contributes to refining intelligent systems that learn, adapt, and evolve. Some team members fit this work alongside a full-time role, while others treat it as their primary focus, choosing projects and schedules that align with their availability and goals. To get started, once you sign up for an account, you'll take a short assessment (this serves as our version of an interview). If you pass that assessment, you’ll receive an email confirmation, and paid work will become available to you through our platform. Benefits: * Fully remote: work from anywhere in the US, Canada, UK, Ireland, Australia, and New Zealand. * Flexible schedule: choose which projects you take on and when you work. * Competitive pay: projects are paid hourly, starting at $40+ USD per hour. Opportunities for higher-paying projects are available with strong performance. * Impact: help shape the future of AI technologies. Responsibilities: * Design and solve diverse coding problems used to train AI systems. * Write clear, high-quality code snippets and detailed explanations. * Evaluate AI-generated code for accuracy, performance, and clarity. * Provide feedback that directly shapes the next generation of AI models. Qualifications: * Fluency in English (native or bilingual level). * Proficiency in at least one of the following programming languages or frameworks: JavaScript, TypeScript, Python, C, C#, C++, React, Go, Java, Kotlin, or Swift. * Excellent writing and grammar skills. * A bachelor’s degree (completed or in progress). * Previous experience as a Software Developer, Coder, Software Engineer, or Programmer is preferred. Note: Payment is made via PayPal. We will never ask for any money from you. PayPal will handle any currency conversions from USD. This job is only available to those in the US, Canada, UK, Ireland, Australia, and New Zealand. Those located outside of these countries will not see work or assessments available on our site at this time.

Join the DataAnnotation team and contribute to developing cutting-edge AI systems, while enjoying the flexibility of remote work and setting your own schedule. We are looking for a proficient Data Scientist to help advance AI development. As a member of DataAnnotation’s coding team, you’ll be part of a growing community of over 100,000 professionals — including front-end, back-end, full-stack, machine learning, and other engineers — who are driving real-world impact in AI development. Our platform offers an engaging blend of flexibility and challenge: you’ll work closely with state-of the art AI models to take on programming tasks that include creating and solving challenging coding problems, building beautiful apps with rich functionality, and synthesizing insights through data analysis and visualization. Your work directly contributes to refining intelligent systems that learn, adapt, and evolve. Some team members fit this work alongside a full-time role, while others treat it as their primary focus, choosing projects and schedules that align with their availability and goals. To get started, once you sign up for an account, you'll take a short assessment (this serves as our version of an interview). If you pass that assessment, you’ll receive an email confirmation, and paid work will become available to you through our platform. Benefits: * Fully remote: work from anywhere in the US, Canada, UK, Ireland, Australia, and New Zealand. * Flexible schedule: choose which projects you take on and when you work. * Competitive pay: projects are paid hourly, starting at $40+ USD per hour. Opportunities for higher-paying projects are available with strong performance. * Impact: help shape the future of AI technologies. Responsibilities: * Design and solve diverse coding problems used to train AI systems. * Write clear, high-quality code snippets and detailed explanations. * Evaluate AI-generated code for accuracy, performance, and clarity. * Provide feedback that directly shapes the next generation of AI models. Qualifications: * Fluency in English (native or bilingual level). * Proficiency in at least one of the following programming languages or frameworks: JavaScript, TypeScript, Python, C, C#, C++, React, Go, Java, Kotlin, or Swift. * Excellent writing and grammar skills. * A bachelor’s degree (completed or in progress). * Previous experience as a Software Developer, Coder, Software Engineer, or Programmer is preferred. Note: Payment is made via PayPal. We will never ask for any money from you. PayPal will handle any currency conversions from USD. This job is only available to those in the US, Canada, UK, Ireland, Australia, and New Zealand. Those located outside of these countries will not see work or assessments available on our site at this time.

Join the DataAnnotation team and contribute to developing cutting-edge AI systems, while enjoying the flexibility of remote work and setting your own schedule. We are looking for a proficient Data Scientist to help advance AI development. As a member of DataAnnotation’s coding team, you’ll be part of a growing community of over 100,000 professionals — including front-end, back-end, full-stack, machine learning, and other engineers — who are driving real-world impact in AI development. Our platform offers an engaging blend of flexibility and challenge: you’ll work closely with state-of the art AI models to take on programming tasks that include creating and solving challenging coding problems, building beautiful apps with rich functionality, and synthesizing insights through data analysis and visualization. Your work directly contributes to refining intelligent systems that learn, adapt, and evolve. Some team members fit this work alongside a full-time role, while others treat it as their primary focus, choosing projects and schedules that align with their availability and goals. To get started, once you sign up for an account, you'll take a short assessment (this serves as our version of an interview). If you pass that assessment, you’ll receive an email confirmation, and paid work will become available to you through our platform. Benefits: * Fully remote: work from anywhere in the US, Canada, UK, Ireland, Australia, and New Zealand. * Flexible schedule: choose which projects you take on and when you work. * Competitive pay: projects are paid hourly, starting at $40+ USD per hour. Opportunities for higher-paying projects are available with strong performance. * Impact: help shape the future of AI technologies. Responsibilities: * Design and solve diverse coding problems used to train AI systems. * Write clear, high-quality code snippets and detailed explanations. * Evaluate AI-generated code for accuracy, performance, and clarity. * Provide feedback that directly shapes the next generation of AI models. Qualifications: * Fluency in English (native or bilingual level). * Proficiency in at least one of the following programming languages or frameworks: JavaScript, TypeScript, Python, C, C#, C++, React, Go, Java, Kotlin, or Swift. * Excellent writing and grammar skills. * A bachelor’s degree (completed or in progress). * Previous experience as a Software Developer, Coder, Software Engineer, or Programmer is preferred. Note: Payment is made via PayPal. We will never ask for any money from you. PayPal will handle any currency conversions from USD. This job is only available to those in the US, Canada, UK, Ireland, Australia, and New Zealand. Those located outside of these countries will not see work or assessments available on our site at this time.

Join the DataAnnotation team and contribute to developing cutting-edge AI systems, while enjoying the flexibility of remote work and setting your own schedule. We are looking for a proficient Data Scientist to help advance AI development. As a member of DataAnnotation’s coding team, you’ll be part of a growing community of over 100,000 professionals — including front-end, back-end, full-stack, machine learning, and other engineers — who are driving real-world impact in AI development. Our platform offers an engaging blend of flexibility and challenge: you’ll work closely with state-of the art AI models to take on programming tasks that include creating and solving challenging coding problems, building beautiful apps with rich functionality, and synthesizing insights through data analysis and visualization. Your work directly contributes to refining intelligent systems that learn, adapt, and evolve. Some team members fit this work alongside a full-time role, while others treat it as their primary focus, choosing projects and schedules that align with their availability and goals. To get started, once you sign up for an account, you'll take a short assessment (this serves as our version of an interview). If you pass that assessment, you’ll receive an email confirmation, and paid work will become available to you through our platform. Benefits: * Fully remote: work from anywhere in the US, Canada, UK, Ireland, Australia, and New Zealand. * Flexible schedule: choose which projects you take on and when you work. * Competitive pay: projects are paid hourly, starting at $40+ USD per hour. Opportunities for higher-paying projects are available with strong performance. * Impact: help shape the future of AI technologies. Responsibilities: * Design and solve diverse coding problems used to train AI systems. * Write clear, high-quality code snippets and detailed explanations. * Evaluate AI-generated code for accuracy, performance, and clarity. * Provide feedback that directly shapes the next generation of AI models. Qualifications: * Fluency in English (native or bilingual level). * Proficiency in at least one of the following programming languages or frameworks: JavaScript, TypeScript, Python, C, C#, C++, React, Go, Java, Kotlin, or Swift. * Excellent writing and grammar skills. * A bachelor’s degree (completed or in progress). * Previous experience as a Software Developer, Coder, Software Engineer, or Programmer is preferred. Note: Payment is made via PayPal. We will never ask for any money from you. PayPal will handle any currency conversions from USD. This job is only available to those in the US, Canada, UK, Ireland, Australia, and New Zealand. Those located outside of these countries will not see work or assessments available on our site at this time.

Join the DataAnnotation team and contribute to developing cutting-edge AI systems, while enjoying the flexibility of remote work and setting your own schedule. We are looking for a proficient Data Scientist to help advance AI development. As a member of DataAnnotation’s coding team, you’ll be part of a growing community of over 100,000 professionals — including front-end, back-end, full-stack, machine learning, and other engineers — who are driving real-world impact in AI development. Our platform offers an engaging blend of flexibility and challenge: you’ll work closely with state-of the art AI models to take on programming tasks that include creating and solving challenging coding problems, building beautiful apps with rich functionality, and synthesizing insights through data analysis and visualization. Your work directly contributes to refining intelligent systems that learn, adapt, and evolve. Some team members fit this work alongside a full-time role, while others treat it as their primary focus, choosing projects and schedules that align with their availability and goals. To get started, once you sign up for an account, you'll take a short assessment (this serves as our version of an interview). If you pass that assessment, you’ll receive an email confirmation, and paid work will become available to you through our platform. Benefits: * Fully remote: work from anywhere in the US, Canada, UK, Ireland, Australia, and New Zealand. * Flexible schedule: choose which projects you take on and when you work. * Competitive pay: projects are paid hourly, starting at $40+ USD per hour. Opportunities for higher-paying projects are available with strong performance. * Impact: help shape the future of AI technologies. Responsibilities: * Design and solve diverse coding problems used to train AI systems. * Write clear, high-quality code snippets and detailed explanations. * Evaluate AI-generated code for accuracy, performance, and clarity. * Provide feedback that directly shapes the next generation of AI models. Qualifications: * Fluency in English (native or bilingual level). * Proficiency in at least one of the following programming languages or frameworks: JavaScript, TypeScript, Python, C, C#, C++, React, Go, Java, Kotlin, or Swift. * Excellent writing and grammar skills. * A bachelor’s degree (completed or in progress). * Previous experience as a Software Developer, Coder, Software Engineer, or Programmer is preferred. Note: Payment is made via PayPal. We will never ask for any money from you. PayPal will handle any currency conversions from USD. This job is only available to those in the US, Canada, UK, Ireland, Australia, and New Zealand. Those located outside of these countries will not see work or assessments available on our site at this time.

Join the DataAnnotation team and contribute to developing cutting-edge AI systems, while enjoying the flexibility of remote work and setting your own schedule. We are looking for a proficient Data Scientist to help advance AI development. As a member of DataAnnotation’s coding team, you’ll be part of a growing community of over 100,000 professionals — including front-end, back-end, full-stack, machine learning, and other engineers — who are driving real-world impact in AI development. Our platform offers an engaging blend of flexibility and challenge: you’ll work closely with state-of the art AI models to take on programming tasks that include creating and solving challenging coding problems, building beautiful apps with rich functionality, and synthesizing insights through data analysis and visualization. Your work directly contributes to refining intelligent systems that learn, adapt, and evolve. Some team members fit this work alongside a full-time role, while others treat it as their primary focus, choosing projects and schedules that align with their availability and goals. To get started, once you sign up for an account, you'll take a short assessment (this serves as our version of an interview). If you pass that assessment, you’ll receive an email confirmation, and paid work will become available to you through our platform. Benefits: * Fully remote: work from anywhere in the US, Canada, UK, Ireland, Australia, and New Zealand. * Flexible schedule: choose which projects you take on and when you work. * Competitive pay: projects are paid hourly, starting at $40+ USD per hour. Opportunities for higher-paying projects are available with strong performance. * Impact: help shape the future of AI technologies. Responsibilities: * Design and solve diverse coding problems used to train AI systems. * Write clear, high-quality code snippets and detailed explanations. * Evaluate AI-generated code for accuracy, performance, and clarity. * Provide feedback that directly shapes the next generation of AI models. Qualifications: * Fluency in English (native or bilingual level). * Proficiency in at least one of the following programming languages or frameworks: JavaScript, TypeScript, Python, C, C#, C++, React, Go, Java, Kotlin, or Swift. * Excellent writing and grammar skills. * A bachelor’s degree (completed or in progress). * Previous experience as a Software Developer, Coder, Software Engineer, or Programmer is preferred. Note: Payment is made via PayPal. We will never ask for any money from you. PayPal will handle any currency conversions from USD. This job is only available to those in the US, Canada, UK, Ireland, Australia, and New Zealand. Those located outside of these countries will not see work or assessments available on our site at this time.

Back-end & Infrastructure Developer. Maintain and develop scalable Back End applications using Java, Node. You will play a key role in maintaining and enhancing Back End systems, supporting infrastructure needs, and refactoring existing Node.

Tech Architect Lead PHP Back-end Developer Our Client is a boutique software development company specializing in the development of a retail systems platform You must at least 5 to 10 years software development using PHP and MySQL ideally on Linux environment.

Senior Go Developer 6 months Contract London Hybrid or Fully Remote An exciting opportunity for a highly skilled Senior Go Developer to join a leading technology business on a contract basis. This organisation is recognised for its engineering excellence and is seeking a Senior Go Developer to help scale distributed systems and deliver high-performance solutions. In this role, the Senior Go Developer will design, develop, and implement data-intensive applications across the full engineering life cycle. You'll architect and deliver microservices-based systems using Go (Golang), AWS, Kubernetes, Docker, and Kafka, working closely with cross-functional teams to build scalable, reliable, and resilient platforms. You'll also play a key role in optimising system performance, improving reliability, and ensuring scalability, while contributing to code reviews, design discussions, and knowledge sharing across the engineering function. Senior Go Developer - Key Requirements: • Strong commercial experience in Back End development, • Advanced skills in Go (Golang), with proven expertise in AWS, Kubernetes, and Docker, • End-to-end software engineering experience, including system design and architecture, • Background in complex, large-scale, data-driven applications, • Product-focused approach, ideally within fast-paced tech organisations (start-ups or scale-ups), • Knowledge of Kafka, Cassandra, gRPC, and microservices is a strong advantage We are an equal opportunities employer and welcome applications from all suitably qualified persons regardless of their race, sex, disability, religion/belief, sexual orientation, or age.

Senior AI/Front End Developer London eCommerce | AI-Powered UI Innovation | Leadership Opportunity We are seeking a Senior Front End/AI Developer with strong React and AI expertise to lead the transformation of our eCommerce platforms. You will play a key role in modernising our Front End architecture and integrating AI-powered solutions to enhance user experience, development workflows, and business performance. About the Role you'll drive the next generation of our customer-facing applications, using React and modern Front End technologies to deliver fast, intuitive, and intelligent interfaces. Working closely with product, design, and Back End teams, you'll also leverage AI tools to optimise development, automate testing, and create smarter user interactions. Key Responsibilities: • Lead the rebuild of Front End applications using React, modern JavaScript/TypeScript, and supporting frameworks, • Integrate AI-powered features into the user experience (eg, personalised recommendations, intelligent search), • Use AI developer tools (eg, GitHub Copilot, ChatGPT, Tabnine) to boost productivity and maintain code quality, • Collaborate with designers and Back End engineers to deliver seamless, scalable solutions, • 5+ years Front End development experience, with deep expertise in React and modern JavaScript/TypeScript, • Proven experience using AI tools in a development context, • Strong understanding of REST APIs, JSON, and Front End performance optimisation, • Familiarity with cloud platforms and CI/CD workflows Impact: Shape the future of our Front End architecture and AI capabilities Culture: Supportive, collaborative, and forward-thinking team environment Innovation: Opportunity to implement cutting-edge AI-powered solutions in a high-traffic eCommerce environment

Lead Backend Developer Location: London - 1x a month Salary: Up to £120,000 (D.O.E) + benefits Fruition Group are partnering with a high-growth Insurtech unicorn that's scaling its engineering function. This is a unique chance to work across both proven, revenue-generating products and greenfield initiatives that are reshaping the future of insurance. It's an ideal role for a driven Lead Engineer who thrives in ambitious environments and wants to make a tangible impact. As a Lead Backend Engineer, you'll take ownership of designing and scaling cloud-native Back End systems. You'll work primarily with Python (FastAPI) and play a key role in shaping the architecture of microservices that support millions of users. Beyond hands-on development, you'll provide technical leadership, mentor team members, and influence strategic engineering decisions. This is a high-impact role where your work directly drives product growth, system resilience, and platform evolution. What will I be doing: • Design, develop, and optimise scalable Back End services in Python, leveraging FastAPI., • Lead architectural discussions with a focus on performance, scalability, and reliability., • Deliver complex features end-to-end - from design through deployment and monitoring., • Provide mentorship through code reviews, technical guidance, and best practices., • Collaborate with Product, Design, and Engineering teams to deliver at pace., • Continuously raise the bar for engineering standards, code quality, and delivery., • Shape the long-term direction of the platform's service-oriented architecture., • Strong background building and scaling Python-based systems (FastAPI, Flask, or Django REST)., • Proven leadership experience in a development environment, • Solid expertise in microservices, APIs, messaging patterns, and distributed systems., • Proficient with cloud platforms (AWS, GCP, Azure) and containerisation (Docker; Kubernetes preferred)., • Strong engineering fundamentals - testing, clean code, performance tuning, and algorithms., • Experience with relational and non-relational databases (PostgreSQL, MongoDB)., • Comfortable working in agile, fast-moving environments with high ownership. We are an equal opportunities employer and welcome applications from all suitably qualified persons regardless of their race, sex, disability, religion/belief, sexual orientation, or age.

Job Title: Senior Ruby Developer (Contract - 6 months) Location: Remote (UK/EU preferred) Contract Type: Full-time, 6-month contract Start Date: ASAP Rate: Competitive (depending on experience) I'm on the lookout for a Senior Ruby Developer to join my client on a 6-month contract, with the potential to step into a technical lead role. You'll be working on a high-impact project, contributing to Back End development and helping shape the technical direction of the product. This is a hands-on role where you'll collaborate closely with engineers, product managers, and DevOps specialists. You'll be expected to take ownership of features, mentor junior developers, and bring best practices to the table. Key Responsibilities • Lead and contribute to Back End development using Ruby on Rails, • Collaborate with cross-functional teams to deliver scalable and maintainable solutions, • Participate in architectural decisions and code reviews, • Support CI/CD pipelines and infrastructure deployments, • Ensure high code quality and performance across the system, • Help guide the team with technical leadership and mentoringRequirements, • 5+ years of experience with Ruby/Rails in production environments, • Exposure to DevOps practices (CI/CD, Docker, AWS, Terraform, etc.), • Strong understanding of RESTful APIs, background jobs, and database optimization, • Experience working in agile teams and mentoring developers, • Excellent communication and problem-solving skills, • Ability to work independently and take initiativeNice to Have, • Experience with Front End technologies (React, Vue), • Prior experience in a lead or senior role

Permanent Java Full Stack Developer - Data Warehouse - Hedge Fund - Angular, Kafka, RDBMS, Rest API Our client is looking for a skilled Full Stack Developer to enhance our Enterprise Reference Data platform, the central source of financial data across the firm. You will play a key role in evolving our data platform, services, and tools to meet new customer requirements. The platform is built on a modern tech stack, including Angular, Java, Kafka, and AWS (EKS), offering scalable and streaming capabilities. Key Responsibilities • Develop and maintain full-stack solution using Java (Spring Framework, GraphQL, Rest API, Kafka) and Angular., • Ensure proper ingestion, curation, storage, and management of data to meet business needs., • Write and execute unit, performance, and integration tests., • Collaborate with cross-functional teams to solve complex data challenges., • Minimum of 5-7 years' of professional Java development experience, focusing on API-and Kafka based architectures., • Minimum 4-5 years of strong Angular development skills with Back End integration expertise., • Hands-on experience with automated testing (unit, performance, integration)., • 5+ years of database development experience (any RDBMS), • Analytical and problem-solving skills with the ability to work independently in a fast-paced environment., • Excellent communication skills to effectively collaborate with users and other teams across different regions., • Self-motivated and capable of working under pressure. By applying to this job you are sending us your CV, which may contain personal information. Please refer to our Privacy Notice to understand how we process this information. In short, in order to supply you with work finding services, we will hold and process your personal data, and only with your express permission we will share this personal data with a client (or a third party working on behalf of the client) by email or by upload to the Client/third parties vendor management system. By giving us permission to send your CV to a client, this constitutes permission to share the personal data that would be necessary to consider your application, interview you (Phone/video/face to face) and if successful hire you. Scope AT acts as an employment agency for Permanent Recruitment and an employment business for the supply of temporary workers. By applying for this job you accept the Terms and Conditions, Data Protection Policy, Privacy Notice and Disclaimers which can be found at our website.

Senior/Lead Hands on Full Stack Developer - React / Python. Looking for a Full Stack developer who loves working across the stack - React on the front end, Python on the back end. Develop APIs & services in Python (either Django/Flask/FastAPI).

We are hiring a skilled back-end Python Developer to join a high-performing technology team at a top-tier investment bank. Implement logic to detect anomalies, track performance, and surface actionable insights for developers and traders. Collaborate with front-end developers (ReactJS), infrastructu

Role Title: Software Developer. Back-end software development using Python and Java. Experience integrating 3rd party software, scripting/glue work.

Senior/Lead Hands on Full Stack Developer - React / Python. Looking for a Full Stack developer who loves working across the stack - React on the front end, Python on the back end.

• Lead Java Developer, • 6 Months, • Hybrid working 1 day a week on site, • £500-£550 per a day inside IR35 Talent Consulting is seeking an experienced Lead Java Developer to join one of our government clients on a large-scale digital transformation programme. You’ll lead a team delivering modern, cloud-native solutions—rebuilding internal systems, creating efficient digital processes, and ensuring scalable, high-quality software delivery. As Lead Java Developer you will be responsible for: • Design and develop modern, cloud-based services using Java and Node.js., • Build and maintain microservices and UI components, ensuring seamless integration between front-end interfaces and back-end APIs., • Implement event-driven solutions using Kafka and other messaging technologies., • Develop, deploy, and manage scalable applications on AWS cloud infrastructure., • Work with both NoSQL (MongoDB) and SQL databases to optimize data management., • Utilize Docker and Kubernetes for container orchestration, scalability, and efficient delivery., • Define and manage cloud infrastructure using Infrastructure as Code (IaC) tools such as Terraform., • Create, maintain, and optimize CI/CD pipelines using GitLab CI., • Collaborate with designers and front-end developers to deliver modern, responsive UI experiences. As a Lead Developer you will have the following experience: • Proven experience leading and mentoring development teams., • Extensive hands-on experience developing modern cloud-native applications using Java and Node.js., • Strong background in microservices architecture, including both front-end (UI) and API components., • Proficiency in Kafka and event-driven design patterns., • Deep understanding of AWS cloud services and architecture best practices., • Strong experience with NoSQL (MongoDB) and SQL databases., • Expertise in containerization with Docker and orchestration with Kubernetes., • Experience with Terraform or similar IaC tools for provisioning cloud infrastructure., • Proficiency in CI/CD pipeline development and management using GitLab CI., • Solid understanding of Test-Driven Development (TDD) and agile delivery practices.

Senior Full-Stack Web Applications Developer (80% Front End/20% Back End). Senior Full-Stack Web Applications Developer.

Senior Umbraco Developer Location:. Theyre looking to bring a Senior Umbraco Developer into their expanding team. NET/C# components, API integrations, and back-office extensions - Collaborate with front-end teams using frameworks such as React, Vue, or Angular - Write clean, scalable code following

Senior Back End Developer (B2B). Senior Back End Developer (B2B). Sign in to set job alerts for “Back End Developer” roles.

A full-stack developer is responsible for the entire development process of websites and applications, from the front end to the back end.

Net Core Basingstoke - Hybrid - 3/5 Days in the Office - Circa £45,000 An excellent opportunity to work with a fast-paced and profitable technology company that helps businesses test and improve the quality of their products and services.The company are building the best product in the industry and

Senior - Lead Backend Developer | Node, Typescript, MongoDB | Hybrid, up to £90k. We’re looking for a highly experienced Backend Developer to join a fast-growing, ambitious start-up. You’ll be working closely with cross-functional teams to develop high-performance APIs, manage databases, and im

Get notified about new Back End Developer jobs in. Tired of being just another engineer? Here’s your chance to be the third backend hire at a fast-growing ClimateTech start-up making a real dent in global carbon emissions. This role focuses on building a scalable backend and shaping the product in

A full-stack developer is responsible for the entire development process of websites and applications, from the front end to the back end.

Full Stack Capability: Strong front-end skills in CSS 3/HTML 5, complementing a full-stack skill set or a readiness to engage with both back-end and front-end technologies. Forbes Advisor is hiring a Lead Full Stack Developer. Forbes Advisor is hiring a Lead Full Stack Developer! We are seeking the

As a Full Stack Java Developer, you will work across the full stack, collaboratively contributing to front-end, back-end, system architecture, and infrastructure. Full Stack Java Developer (90k-100k plus benefits and bonus). Work on full-stack development, including front-end, back-end, and infrastr

Tech Architect Lead PHP Back-end Developer. At least 5 to 10 years software development experience using PHP and MySQL, ideally on a Linux environment.

Tell us about your software proficiency:.

We are seeking a highly skilled Lead Full Stack Developer to join our dynamic team. Collaboration: Work collaboratively with other team members, including front-end developers, back-end developers, and QA engineers. Lead Full Stack Developer (SC Cleared).

Job Title: Application Developer with (Python and AWS). Develop and maintain high-quality applications using Java and Python. Integrate front-end and back-end components to ensure seamless application functionality.

Our client is seeking an experienced Full Stack development professional for a hybrid position to be based in Central London, but operating remotely. Full Stack Developer or in a similar role. Experience working with both front-end and back-end technologies, demonstrating a full understanding of the

Co-Founding Full Stack Developer (Java/ React/ AWS). We’re looking for a Full Stack Developer with strong expertise in building secure, scalable, and user-friendly applications across both front-end and back-end. Full stack developers who want more than a job, they want ownership.

As a Full-Stack Developer, you will manage the entire lifecycle of web applications, working on both front-end and back-end components to create seamless digital experiences. Experience: Minimum of 3 years in full-stack development.

Phono Sounds UK – Front and Back End WordPress Developer and SEO (UK) – Music Business Worldwide. Front and Back End WordPress Developer and SEO. Back end web technologies (PHP, MySQL).

We are hiring a skilled back-end Python Developer to join a high-performing technology team at a top-tier investment bank. Design and develop robust backend services and APIs in Python to power a real-time trading system monitoring tool. Implement logic to detect anomalies, track performance, and su

Get notified about new Back End Developer jobs in London Area, United Kingdom. Product-Focused Backend Engineer – Functional Programming & Distributed Systems. As a Backend Engineer, you’ll join a growing team working at the forefront of AI infrastructure.

Back-end Developer | UK office, NL Office. We are looking for a Back-end Developer to join our international team. You love to work with back-end technologies and you feel confident working with.

As a Full Stack Java Developer, you will work across the full stack, collaboratively contributing to front-end, back-end, system architecture, and infrastructure. Senior Full Stack Java Developer (100k-120k plus benefits and bonus). Work on full-stack development, including front-end, back-end, and

Full Stack Developer (Remote) at Derisk360. We are looking for a talented and motivated Full Stack Developer with 2 years of hands-on experience in front-end and back-end development. Develop and maintain full-stack web applications with clean, efficient, and testable code.