16 of 16 Contract Clean Code Jobs in London

maintain performant applications using React, Next.js, and Node.js Contribute to architectural discussions and technical design decisions Collaborate with product, design, and platform teams to align on feature delivery Write clean, maintainable code and participate in peer code reviews Optimise applications for performance, scalability, and user experience Ensure high standards of security, accessibility, and testing across the codebase More ❯

and maintain Java applications using Spring Boot. Microservices: Implement and manage microservices architecture. Front-End Integration: Develop front-end interfaces with Angular. Database Management: Design and optimize relational databases. Code Quality: Write clean, efficient code and perform code reviews. Linux Administration: Manage and maintain Linux servers. Collaboration: Work with cross-functional teams to define and implement More ❯

across: React Python Javascript Nice to have: CI/CD Pipelines Github Actions Vue Java Azure Azure Devops Role The Full Stack Developer will adopt best practices like writing clean and reusable code using TDD, pair programming and design patterns. Advocate for continuous delivery practices to deliver high-quality software as well as value to end customers as … and practices to build and deploy software Oversee or take part in the entire cycle of software consulting and delivery Profile You can skillfully write high-quality, well-tested code and you are comfortable with Object-Oriented programming. You are comfortable with Agile methodologies, such as Extreme Programming (XP), Scrum and/or Kanban. You have a good awareness More ❯

developer experience, troubleshoot complex systems, and improve observability. This isn't a maintenance role - you'll be building, iterating, and solving meaningful engineering problems, with a strong focus on clean code, robust security practices, and modern cloud infrastructure. Backend Platform Engineer - Key Requirements: Solid experience in software engineering, platform, or backend-focused roles Proficiency in Go and/… core services, including CloudFront and related web application tooling Hands-on knowledge of setting up and maintaining CI/CD pipelines for modern web applications Familiarity with infrastructure-as-code tools such as Terraform Understanding of security best practices in web infrastructure and application delivery Exposure to observability tooling and techniques (e.g., Prometheus, Grafana, structured logging) Confident in debugging More ❯

applications using C# (.NET) and React Design, implement, and optimise solutions in Microsoft Azure Collaborate with business analysts, solution architects, and QA engineers to ensure high-quality deliverables Write clean, maintainable, and testable code Participate in code reviews and contribute to best practice development standards Skills & Experience: Proven commercial experience with C# and React Strong understanding of More ❯

scalable, working solutions within Microsoft Power Platform/D365 ensuring the acceptance criteria are met Enable a spirit of continuous improvement within and across the team and product Produce clean, efficient code based on specifications and in-line with Enterprise Standards Integrate software components and third-party programs while building and designing applications suitable to business needs Verify More ❯

understanding of the Software Development Life Cycle (SDLC) Responsibilities: Product Engineering & Delivery Build and maintain user-facing applications, tools, and integrations Collaborate with product managers, designers, and stakeholders Write clean, maintainable, well-tested code Contribute to product discovery with prototypes, spikes, and experiments Technology & Integration Build APIs and services to connect systems across the firm Integrate with internal … tools and third-party platforms Support low-code solutions, especially within Power Platform Agile & Iterative Development Work within a modern agile framework Participate in backlog grooming, technical scoping, and story writing Engage in design sessions, code reviews, and retrospectives Security, Quality & Operations Ensure compliance with security, privacy, and operational standards Monitor and improve the health of production code More ❯

current and future projects Extending and maintaining our UI toolchain to support evolving project needs. Working collaboratively across disciplines to build robust, performing UI systems. Championing quality engineering through code reviews, automated testing, and pair programming. Minimising technical debt by writing clean, maintainable code and proactively identifying potential issues. Engaging in continuous improvement and sharing knowledge with More ❯

help deliver new features, build out APIs, and ensure their platform is scalable and reliable as demand grows. You’ll be working in a collaborative engineering culture focused on clean, testable code and best practice around CI/CD and cloud deployment. Tech stack includes: Python (Django, FastAPI, or Flask) REST APIs & microservices AWS Docker/Kubernetes CI More ❯

Design, develop, and maintain fullstack applications using Python (backend) and React/TypeScript (frontend) Collaborate with product managers, designers, and other engineers to ship features end-to-end Write clean, testable, and maintainable code What We’re Looking For 3+ years of professional software engineering experience Strong proficiency in Python (e.g., Django, FastAPI, or Flask) Experience building web More ❯

design, document and develop high quality, scalable solutions for the App's iOS application using Swift and Swift UI. Create appropriate unit and integration tests for your work. Write clean, maintainable and ePicient code, which follows best practices and coding standards. Optimise solutions for performance and speed to provide an excellent user experience. Ensure the application meets the … guidelines. Be someone who embraces collaboration when building solutions. Have a good understanding of MVVM Architecture and associated design patterns. Be able to apply SOLID principles to improve the code structure, quality and maintainability. Have a DevOps mindset, understanding how software and infrastructure work together. Have a good understanding of continuous integration, continuous delivery and how these are implemented … integrating with RESTful APIs. Experience in handling concurrency (e.g. background tasks/network activity without blocking the UI thread) Nice to have: Understanding the compilation process and how the code gets converted into an executable. Knowledge or experience of using FHIR. Understanding of good memory management practices, handling reference counting and/or garbage collection. More ❯

team to design, document and develop high quality, scalable solutions for the clients App's Android application using Kotlin. Create appropriate unit and integration tests for your work. Write clean, maintainable and eNicient code, which follows best practices and coding standards. Optimise solutions for performance and speed to provide an excellent user experience. Ensure the application meets the … guidelines. - Be someone who embraces collaboration when building solutions. Have a good understanding of MVVM Architecture and associated design patterns. Be able to apply SOLID principles to improve the code structure, quality and maintainability. Have a DevOps mindset, understanding how software and infrastructure work together. Have a good understanding of continuous integration, continuous delivery and how these are implemented … integrating with RESTful APIs. Experience in handling concurrency (e.g. background tasks/network activity without blocking the UI thread) Nice to have Understanding the compilation process and how the code gets converted into an executable. Knowledge or experience of using FHIR. Understanding of good memory management practices, handling reference counting and/or garbage collection. If you are interested More ❯

document and develop high quality, scalable solutions for the NHS App's iOS application using Swift and Swift UI.- Create appropriate unit and integration tests for your work.- Write clean, maintainable and ePicient code, which follows best practices andcoding standards.- Optimise solutions for performance and speed to provide an excellent userexperience.- Ensure the application meets the Apple App … guidelines.- Be someone who embraces collaboration when building solutions.- Have a good understanding of MVVM Architecture and associated design patterns.- Be able to apply SOLID principles to improve the code structure, quality and maintainability.- Have a DevOps mindset, understanding how software and infrastructure work together.- Have a good understanding of continuous integration, continuous delivery and how these are implemented More ❯

team to design, document and develop high quality, scalable solutions for the NHS App's Android application using Kotlin.- Create appropriate unit and integration tests for your work.- Write clean, maintainable and eNicient code, which follows best practices andcoding standards.- Optimise solutions for performance and speed to provide an excellent user experience.- Ensure the application meets the Google … interface guidelines.- Be someone who embraces collaboration when building solutions.- Have a good understanding of MVVM Architecture and associated designpatterns.- Be able to apply SOLID principles to improve the code structure, quality andmaintainability.- Have a DevOps mindset, understanding how software and infrastructure worktogether.- Have a good understanding of continuous integration, continuous delivery andhow these are implemented via the use More ❯

team to design, document and develop high quality, scalable solutions for the NHS App's Android application using Kotlin. - Create appropriate unit and integration tests for your work. - Write clean, maintainable and eNicient code, which follows best practices and coding standards. - Optimise solutions for performance and speed to provide an excellent user experience. - Ensure the application meets the … guidelines. - Be someone who embraces collaboration when building solutions. - Have a good understanding of MVVM Architecture and associated design patterns. - Be able to apply SOLID principles to improve the code structure, quality and maintainability. - Have a DevOps mindset, understanding how software and infrastructure work together. - Have a good understanding of continuous integration, continuous delivery and how these are implemented More ❯

document and develop high quality, scalable solutions for the NHS App's iOS application using Swift and Swift UI. - Create appropriate unit and integration tests for your work. - Write clean, maintainable and ePicient code, which follows best practices and coding standards. - Optimise solutions for performance and speed to provide an excellent user experience. - Ensure the application meets the … guidelines. - Be someone who embraces collaboration when building solutions. - Have a good understanding of MVVM Architecture and associated design patterns. - Be able to apply SOLID principles to improve the code structure, quality and maintainability. - Have a DevOps mindset, understanding how software and infrastructure work together. - Have a good understanding of continuous integration, continuous delivery and how these are implemented More ❯