1 to 25 of 67 Contract Clean Code Jobs in England

drive business value. You could be working within an environment where frontend development sits at the intersection of user experience, performance optimization and clean code practices. The work could span building component libraries, integrating APIs, managing state across complex applications and ensuring accessibility standards are met. Typical role … microservices Collaborating with designers, product teams and backend developers to deliver cohesive solutions Optimizing application performance, including load times and rendering efficiency Writing clean, maintainable code and participating in code reviews Contributing to the improvement of development processes and best practices What you could bring Most roles ...

True Polyglot: Seamlessly pivot across modern stacks when project needs shift. Mentor & Elevate: Guide junior engineers and champion coding best practices, automated testing, and code reviews. Collaborate Cross-Functionally: Work hand-in-hand with product management, UX/UI, DevOps, and QA to deliver impact. Optimise & Automate: Build … streamline CI/CD pipelines and infrastructure-as-code deployments. Skills: T-Shaped/Polyglot Mindset: Deep experience in at least one core stack ( Java/Kotlin , Python , C#/.NET , or Full-Stack JavaScript including Express, React, and Node.js), paired with the adaptability to learn new technologies rapidly. ...

True Polyglot: Seamlessly pivot across modern stacks when project needs shift. Mentor & Elevate: Guide junior engineers and champion coding best practices, automated testing, and code reviews. Collaborate Cross-Functionally: Work hand-in-hand with product management, UX/UI, DevOps, and QA to deliver impact. Optimise & Automate: Build … streamline CI/CD pipelines and infrastructure-as-code deployments. Skills: T-Shaped/Polyglot Mindset: Deep experience in at least one core stack ( Java/Kotlin , Python , C#/.NET , or Full-Stack JavaScript including Express, React, and Node.js), paired with the adaptability to learn new technologies rapidly. ...

designs Contributing to software and system architecture decisions Building and supporting high-performing CI/CD pipelines and engineering practices Applying modern development standards, clean code principles and secure-by-design approaches Supporting testing, quality assurance and continuous improvement initiatives Collaborating with product managers, designers, security teams … Essential Experience Proven experience across the full software development lifecycle Strong software engineering fundamentals, including system design, API development and data modelling Experience developing clean, maintainable and testable code Strong understanding of modern engineering practices and development standards Experience working within highly regulated, complex or large-scale environments ...

that deliver genuine value to users. The successful candidate will bring strong hands-on experience with Node.js, TypeScript and AWS, alongside a passion for clean code, sound engineering practices and continuous improvement. The Role As a Senior Backend Engineer, you'll play an important role throughout the software … Designing, developing and maintaining robust backend services and APIs. Taking ownership of features from initial concept through to production release and ongoing support. Writing clean, maintainable and well-tested code in line with established engineering standards. Contributing to technical discussions, solution design and architectural decisions. Improving automated testing ...

applications and third-party systems. Contribute to application architecture, technical design, technology selection and development standards. Mentor and coach junior developers, providing technical guidance, code reviews and knowledge sharing. Collaborate with colleagues to translate business requirements into effective software solutions. Troubleshoot, optimise and enhance existing applications, ensuring performance, reliability … with Microsoft SQL Server , including database queries, design and optimisation. Experience developing and maintaining full-stack business applications. Understanding of modern software development practices, clean code and application design. Strong analytical and problem-solving capabilities. Desirable Experience ASP.NET Core, Web API and RESTful services. Entity Framework Core. Azure ...

following Java/Typescript/C#/Python/Go Experience working in Agile environments Understanding of microservices architecture Passion for clean code and modern engineering practices Nice to Have: AWS or cloud exposure Docker/containers CI/CD tools (Jenkins, GitLab, SonarQube) TDD/automated testing ...

where appropriate Use AI tools to improve engineering productivity - while maintaining full accountability for quality, safety, and correctness Review, validate, and guide AI-generated code and outputs , ensuring they meet real engineering and operational standards Build services in TypeScript and Python , supported by strong testing and clean code practices Package, deploy, and operate workloads using Kubernetes (e.g. Helm) and Infrastructure as Code (e.g. Terraform) Work closely with other engineers, platform teams, and AI specialists to deliver integrated, end-to-end solutions Take responsibility for systems running in production , not just code that passes a build ...

APIs using .NET, ASP.NET, Spring Boot or Python Contributing to end-to-end solution delivery across Azure, AWS or hybrid cloud environments Writing clean, maintainable code with attention to testing, performance and distributed system patterns Collaborating with architects and peers to implement CI/CD pipelines, containerisation (Docker … Working with SQL databases and data pipeline technologies to support application requirements Supporting integration with enterprise systems including SAP environments where relevant Contributing to code reviews and sharing knowledge across the engineering team What you could bring Most roles of this type require the following: Must-have Bachelor ...

platforms such as Azure, AWS and GCP. You could engage with modern development practices, containerisation technologies like Docker and Kubernetes, and contribute to improving code quality and system performance. Typical role overview Location: London, Greater London, England - on-site Contract type: Contract Day rate … Working with containerisation and orchestration tools such as Docker and Kubernetes Collaborating with cross-functional teams to deliver features and resolve technical challenges Writing clean, maintainable code and participating in code reviews Supporting integration with cloud platforms including Azure, AWS and GCP What you could bring Most ...

could include: Developing and maintaining Python-based backend systems and APIs Designing and implementing microservices architecture Collaborating with engineering teams on system design and code quality Working with cloud platforms (Azure, AWS, GCP) and containerisation technologies (Docker, Kubernetes) Contributing to CI/CD pipelines and infrastructure automation Writing clean, testable code and participating in code reviews Troubleshooting and optimising application performance Working with databases and SQL to support data-driven solutions What you could bring Most roles of this type require the following: Solid experience developing with Python in professional environments Working knowledge of APIs, microservices ...

resiliency, SDLC controls, and operational readiness. Remain hands-on: build key components, unblock teams through deep technical problem-solving, and lead by example in code quality, performance, observability, and maintainability. Identify, assess, and manage technical and delivery risks; drive issue resolution end-to-end, coordinating across teams to remove … production support. Solid understanding of financial services, including servicing, client experience, regulatory considerations, and security and privacy expectations. Strong engineering fundamentals: scalable design, clean code, test automation, performance tuning, and operational resilience Strong understanding of cloud platform architecture principles, including SaaS/PaaS, multi-tenancy, multi-tier architectures ...

Looking For: 5+ years commercial Java development experience Strong Spring Boot knowledge Experience working in Agile environments Understanding of microservices architecture Passion for clean code and modern engineering practices Nice to Have: AWS or cloud exposure Docker/containers CI/CD tools (Jenkins, GitLab, SonarQube) TDD/ ...

Looking For: 5+ years commercial Java development experience Strong Spring Boot knowledge Experience working in Agile environments Understanding of microservices architecture Passion for clean code and modern engineering practices Nice to Have: AWS or cloud exposure Docker/containers CI/CD tools (Jenkins, GitLab, SonarQube) TDD/ ...

cloud infrastructure, and platform automation. Key responsibilities include: Software Design : Develop, and maintain production-grade applications and APIs. Application Build : Develop reusable, well-tested code following engineering best practices. Architecture : Participate in architecture and technical design discussions. Testing: Write automated unit, integration, and end-to-end tests. Data Pipeline … streamline data accessibility and usability. Drive innovation by adopting advanced analytics technologies and methodologies. Cloud infrastructure : Deploy cloud-native solutions using Infrastructure as Code and collaborate on cloud architecture and optimisation About You To be considered for the role, it is essential that you possess exemplary academic prowess, with ...

client teams. Contribute to knowledge sharing through blogs, showcases, technical discussions and community events. About You Were interested in developers who are passionate about clean code, continuous improvement and delivering services that make a real difference. You'll have: Commercial experience developing Back End applications using Ruby ...

contributing to projects that span microservices architecture, cloud infrastructure and responsive frontend development. The work could involve partnering with engineers and architects to deliver clean, maintainable code within modern CI/CD pipelines and containerised environments, with scope to develop your expertise across the full technology stack. Typical …/CD pipelines and containerisation using Docker and Kubernetes Writing and optimising SQL queries and managing data pipelines Collaborating with team members on code reviews and technical documentation using BPMN and UML Supporting the integration and testing of APIs and backend services Developing across Linux and Windows environments ...

Essential Skills & Experience · Security cleared (SC) currently, this is a non-negotiable requirement · Extensive Python development experience, with a proven track record of delivering clean, maintainable, production-grade code. · Extensive experience in performance tuning and optimisation of Python applications. · Strong understanding of concurrency, parallelism, memory management and the Global ...

Strong background as a Senior or Lead Software Engineer, Lead DevOps Engineer , or similar hands-on leadership role Excellent software engineering fundamentals: system design, clean code, testing, and long-term maintainability Deep experience designing and delivering API-driven and microservice-based systems Proven ability to modernise or integrate ...

combination of the following would be ideal: Software development: A solid background in developing and delivering applications, with strong programming fundamentals and experience writing clean, maintainable code. Python: Strong experience using Python for backend development, application logic, integrations or automation. Backend systems and APIs: Experience designing and building backend ...

Knowledge and application of Zero Trust Architecture principles. Strong experience with CI/CD pipelines , automated deployments, and modern software delivery practices. Commitment to clean coding standards, code reviews, defensive programming, and high-quality technical documentation. Experience using source control and collaboration platforms including GitHub , GitLab … automated testing tools. Proven ability to build scalable, secure, maintainable, and well-tested software solutions. Commitment to continuous improvement, engineering excellence, and delivering robust code into production. Security Clearance Mandatory Requirement Candidates must hold current and active SC (Security Check) Clearance at the time of application. Applications from candidates ...

/QC and performance reporting tools. Collaborate closely with the Creative Strategist and Designers to translate creative hypotheses and workflow bottlenecks into technical code requirements. Maintain clean, documented code for all internal tools, agents, and custom integrations, ensuring workflows are stable, repeatable, and easily scalable across ...

Contribute to the continuous evolution of our electronic trading infrastructure. Mentorship & Technical Leadership Provide guidance and mentorship to junior developers. Champion engineering best practices, clean code principles and robust design patterns. What You will Bring Strong hands-on Java development experience within low latency financial systems. Deep understanding ...

Essential Skills Expert-level Python development experience. Strong commitment to writing clean, maintainable and testable code. Advanced SQL knowledge and database optimisation experience. Deep understanding of Linux environments. Excellent knowledge of algorithms and data structures. Proven experience leading technical projects and mentoring engineers. Degree in Computer Science ...

Ruby and Ruby on Rails. Design and develop RESTful APIs and backend services. Work with databases, background jobs, caching, and third-party integrations. Write clean, testable, and maintainable code. Troubleshoot performance and production issues. Collaborate with frontend, QA, DevOps, and product teams. Participate in system design and code ...