1 to 25 of 427 Clean Code Jobs in London

Sonar solves the trillion-dollar challenge of bad code. Sonar equips organizations to achieve and sustain a Clean Code state by empowering developers to write consistent, intentional, adaptable, and responsible code. Clean Code produces software that is maintainable, reliable, and secure, allowing development teams to spend … less time fixing issues and more time innovating. With Sonar, and by employing the company's Clean as You Code methodology, organizations minimize risk, reduce technical debt, increase productivity, and derive more value from their software in a predictable and sustainable way. Sonar's open-source and commercial … programming languages, frameworks, and infrastructure technologies. Trusted by more than 500,000 organizations and used by more than 7 million developers globally to clean more than half a trillion lines of code, Sonar is integral to delivering better software. The impact you will have The Sonar Solutions Engineering More ❯

Sonar solves the trillion-dollar challenge of bad code. Sonar equips organizations to achieve and sustain a Clean Code state by empowering developers to write consistent, intentional, adaptable, and responsible code. Clean Code produces software that is maintainable, reliable, and secure, allowing development teams to spend … less time fixing issues and more time innovating. With Sonar, and by employing the company's Clean as You Code methodology, organizations minimize risk, reduce technical debt, increase productivity, and derive more value from their software in a predictable and sustainable way. Sonar's open-source and commercial … programming languages, frameworks, and infrastructure technologies. Trusted by more than 500,000 organizations and used by more than 7 million developers globally to clean more than half a trillion lines of code, Sonar is integral to delivering better software. The impact you will have The Sonar Solutions Engineering More ❯

Frontend Engineer – Career Coaching Meets Clean Code 💰 £50-70k DOE 💼 Full-time | Permanent 📍 London Hybrid (1 in the office a week) We’re recruiting for a fast-growing ed-tech startup on a mission to make career coaching and mentoring accessible to everyone at work - not just … of creating beautiful, accessible, and fast experiences for real users. We work with React , React Native , and TypeScript , and we care a lot about clean code, performance, and design details. 🛠 What You’ll Be Doing Build beautiful UI – You’ll own frontend features across mobile and web using … into real life – Collaborate with designers to implement pixel-perfect Figma mocks. Keep it fast - Optimise performance for speed, scalability, and user joy. Write clean code - Use modern best practices and help keep the codebase healthy and readable. Test like a pro - Use tools like Jest to write More ❯

Frontend Engineer – Career Coaching Meets Clean Code 💰 £50-70k DOE 💼 Full-time | Permanent 📍 London Hybrid (1 in the office a week) We’re recruiting for a fast-growing ed-tech startup on a mission to make career coaching and mentoring accessible to everyone at work - not just … of creating beautiful, accessible, and fast experiences for real users. We work with React , React Native , and TypeScript , and we care a lot about clean code, performance, and design details. 🛠 What You’ll Be Doing Build beautiful UI – You’ll own frontend features across mobile and web using … into real life – Collaborate with designers to implement pixel-perfect Figma mocks. Keep it fast - Optimise performance for speed, scalability, and user joy. Write clean code - Use modern best practices and help keep the codebase healthy and readable. Test like a pro - Use tools like Jest to write More ❯

teams, and to make our application easier to develop, build, test, and deploy while providing better performance and stability. What You Will Do Craft code that reflects an expert understanding of object-oriented design, refactoring, clean code, clean architecture, and solid engineering principles Refactor code … Model and mentor best practices to improve engineering processes Solve complex problems using knowledge, passion, and curiosity Participate in Agile/Scrum meetings and code reviews Code with adherence to best practices, including test-driven development Partner with our DevOps team to build and support CI/CD More ❯

INSTANDA is the worlds first no code platform for Insurance. A pioneering Insurtech, we're revolutionising the insurance industry by offering insurers a versatile tool to create, manage, and distribute digital insurance products. Our innovative technology empowers insurance carriers to adapt swiftly to market demands and navigate the evolving … technical direction and influence overall strategy advising decisions on both Technology and Product investments Estimation, solution design, detailed technical design, application technical deliverables including code, associated tests and documentation Pioneer and promote methodologies like AI driven development, clean code and clean architecture Contribution to functional excellence … team to drive DevOps practices to automate the Product development life cycle Promote effective innovation across all of engineering including proof of concepts and code foundations Deep technical skills and capabilities to become a key part of projects defining the future product technical strategy, keen to engage, network and More ❯

of Practice to help establish engineering excellence at M&S Lead by example via contributions to our engineering ecosystem Pioneer and promote methodologies like clean code and clean architecture Advocate for engineering productivity, delivery quality and operational excellence through a continuous ecosystem Drive DevOps practices to automate … Need From You: Experience in implementing solutions using modern, web facing software solutions that provide the best possible experience across multiple devices Specialist in clean code and implementation of design patterns for common problems. Depth of knowledge in Information Security, you can design, quality review and quality assure More ❯

design, develop, and maintain robust Python applications that transform complex data into actionable insights. This role requires strong Python expertise with a focus on clean code, design patterns, and scalable architecture. We're seeking a developer who can work independently whilst collaborating effectively with our team to deliver … innovative solutions. Key Responsibilities: Python Development: Design and develop scalable, maintainable Python applications and services Implement effective design patterns to create flexible and robust code Write clean, well-documented code following industry best practices Perform code reviews and provide constructive feedback to team members Troubleshoot and … datasets from various sources Integrate AI/ML models into production applications Develop APIs and services to connect data sources and downstream applications Optimise code for performance and scalability Architecture & System Design: Contribute to architectural decisions and system design Implement appropriate design patterns to solve complex problems efficiently Create More ❯

design, develop, and maintain robust Python applications that transform complex data into actionable insights. This role requires strong Python expertise with a focus on clean code, design patterns, and scalable architecture. We're seeking a developer who can work independently whilst collaborating effectively with our team to deliver … innovative solutions. Key Responsibilities: Python Development: Design and develop scalable, maintainable Python applications and services Implement effective design patterns to create flexible and robust code Write clean, well-documented code following industry best practices Perform code reviews and provide constructive feedback to team members Troubleshoot and … datasets from various sources Integrate AI/ML models into production applications Develop APIs and services to connect data sources and downstream applications Optimise code for performance and scalability Architecture & System Design: Contribute to architectural decisions and system design Implement appropriate design patterns to solve complex problems efficiently Create More ❯

domain and lead by example. Mentor and guide : Empower junior engineers and share your knowledge to foster their growth. Champion best practices : Promote TDD, clean code, and robust architectural practices. Collaborate effectively : Work across teams to create cohesive and scalable solutions. What You'll Do Drive technical discussions … high-quality work. Mentorship and knowledge sharing : Empower your team by providing guidance and fostering a collaborative environment. Focus on developer experience : Champion simplicity, clean code, and a streamlined workflow for all engineers. DevOps mindset : Take full ownership of your domain, from design to deployment and monitoring. Your More ❯

domain and across the organization. Mentor and empower: Foster the growth of junior engineers and share your knowledge. Champion best practices: Advocate for TDD, clean code, and a well-architected platform. Collaborate across domains: Unify diverse teams to create a seamless, future-proof solution. What You'll Do … high-quality work. Mentorship and knowledge sharing: Empower your team by providing guidance and fostering a collaborative environment. Focus on developer experience: Champion simplicity, clean code, and a streamlined workflow for all engineers. DevOps mindset: Take full ownership of your domain, from design to deployment and monitoring. You More ❯

own. The client: A leading trading firm driven by technology with over one thousand employees globally. Pioneering their own trading strategies and systems using clean code and sophisticated technology, they run a global network with thousands of high-performance, low-latency applications that solve problems in nanoseconds. Technology … understanding of computer science fundamentals Experience writing software in C#, C++, C, or Java with a proven ability to deliver scalable, reliable, high-quality clean code A passion for continuous improvement and test-driven design plus innovative, big-picture thinking grounded in real-world pragmatism An understanding of More ❯

of autonomy and scope to shape the way we work - perfect for someone who thrives in a fast-paced, high-impact environment. We value clean code, creative problem solving, and a collaborative mindset. Whether it’s implementing a new backend service, optimising performance, or mentoring a teammate, your … Integration: OpenAI APIs (used in FinProm compliance tooling) and Prompt Layer What You’ll Do Lead development of key features and product improvements Write clean, efficient code across our frontend and backend stacks Design and manage scalable database models and performant queries Work across AWS services, especially Cognito More ❯

of autonomy and scope to shape the way we work - perfect for someone who thrives in a fast-paced, high-impact environment. We value clean code, creative problem solving, and a collaborative mindset. Whether it’s implementing a new backend service, optimising performance, or mentoring a teammate, your … Integration: OpenAI APIs (used in FinProm compliance tooling) and Prompt Layer What You’ll Do Lead development of key features and product improvements Write clean, efficient code across our frontend and backend stacks Design and manage scalable database models and performant queries Work across AWS services, especially Cognito More ❯

ll be at the heart of creating solutions that make a real difference. You'll work alongside talented professionals who share your enthusiasm for clean code and exceptional user experiences. This isn't just about writing code – it's about shaping the future of our digital landscape. … The Ideal Candidate: Has a minimum of 2 years experience with React Some back-end development experience ideally with C# Takes pride in writing clean, maintainable code that stands the test of time Has experience with web applications (SQL database knowledge is a plus) Thrives in an Agile More ❯

ll be at the heart of creating solutions that make a real difference. You'll work alongside talented professionals who share your enthusiasm for clean code and exceptional user experiences. This isn't just about writing code – it's about shaping the future of our digital landscape. … The Ideal Candidate: Has a minimum of 2 years experience with React Some back-end development experience ideally with C# Takes pride in writing clean, maintainable code that stands the test of time Has experience with web applications (SQL database knowledge is a plus) Thrives in an Agile More ❯

as a software developer with web or app experience, or both Good analysis and problem-solving skills Effective communicator Attention to detail Advocate of code quality, clean code, and best practice Ability to interpret and document processes Self-motivation and willingness to learn and explore new ideas More ❯

databases using Entity Framework Building out event-driven microservices architecture Participating in architecture discussions, design sessions, and Agile ceremonies Contributing to a culture of clean code and continuous improvement What They're Looking For 5+ years’ experience with .NET, SQL Server, Entity Framework, and Azure Solid understanding of … systems and event-driven design Strong grasp of OOP principles and microservices A self-starter with a problem-solving mindset and a passion for clean, scalable code Why It’s a Great Move You’ll be part of a forward-thinking team that’s solving real business problems More ❯

databases using Entity Framework Building out event-driven microservices architecture Participating in architecture discussions, design sessions, and Agile ceremonies Contributing to a culture of clean code and continuous improvement What They're Looking For 5+ years’ experience with .NET, SQL Server, Entity Framework, and Azure Solid understanding of … systems and event-driven design Strong grasp of OOP principles and microservices A self-starter with a problem-solving mindset and a passion for clean, scalable code Why It’s a Great Move You’ll be part of a forward-thinking team that’s solving real business problems More ❯

deployment and production support. Collaborate with researchers, engineers, and stakeholders across the business to align technical design with trading objectives. Drive engineering excellence through clean code, automated testing, operational rigor, and mentorship of junior team members. WHAT YOU'LL BRING: 5+ years of software development experience in quantitative … secure, scalable architecture design. Exposure to FX and/or crypto markets; front-end experience with frameworks like React is a plus. Passion for clean, testable code, continuous learning, and mentoring peers on engineering best practices. Degree in Computer Science or related field, with a strong focus on More ❯

Design, develop, and maintain software systems using modern frameworks and technologies. Collaborate with cross-functional teams to define, design, and ship new features. Write clean, maintainable, and efficient code. Implement responsive design principles to ensure applications work on various devices and screen sizes. Develop and integrate REST, GraphQL and More ❯

and optimise high-performing, secure, and scalable WordPress solutions. Partner with designers, product owners, and key stakeholders to shape project goals and specifications. Write clean, modular code that prioritises efficiency, maintainability, and industry best practices. Keep pace with the latest advancements in CMS platforms and web technologies. Coordinate … Bring: Strong experience in backend development, secure design, and WordPress standards. Solid understanding of Agile development practices. Expertise in Object-Oriented Design, Design Patterns, Clean Code, and TDD. Debugging and troubleshooting skills. Ability to communicate complex technical concepts in simple terms. Experience with Laravel, React, Drupal, Git, CI More ❯

agile, fast-paced tech SME environment. This is a hands-on, multi-tasking role - ideal for someone whos comfortable leading a small team, writing clean code (50% of the time), and building the processes that will drive us forward. Ready to advance your career and join an industry … our (ex Microsoft) Chief Data Architect SQL Guru to Architect and design distributed software systems with high performance, scalability, and availability in mind Write clean, efficient, and scalable code, following TDD best practices in an Agile environment Set up and manage formal processes within the development area such … as release management based upon your experience and best industry practice Conduct code reviews to ensure adherence to best practices and continuous improvement Manage our GitHub based code repository Drive innovation, exploring new technologies and approaches to enhance our solutions Where your expertise will lie: C#/.NET More ❯

fast-paced tech SME environment. This is a hands-on, multi-tasking role - ideal for someone who's comfortable leading a small team, writing clean code (50% of the time), and building the processes that will drive us forward. Ready to advance your career and join an industry … our (ex Microsoft) Chief Data Architect SQL Guru to Architect and design distributed software systems with high performance, scalability, and availability in mind Write clean, efficient, and scalable code, following TDD best practices in an Agile environment Set up and manage formal processes within the development area such … as release management based upon your experience and best industry practice Conduct code reviews to ensure adherence to best practices and continuous improvement Manage our GitHub based code repository Drive innovation, exploring new technologies and approaches to enhance our solutions Where your expertise will lie: C#/.NET More ❯

fast-paced tech SME environment. This is a hands-on, multi-tasking role - ideal for someone who s comfortable leading a small team, writing clean code (50% of the time), and building the processes that will drive us forward. Ready to advance your career and join an industry … our (ex Microsoft) Chief Data Architect SQL Guru to Architect and design distributed software systems with high performance, scalability, and availability in mind • Write clean, efficient, and scalable code, following TDD best practices in an Agile environment • Set up and manage formal processes within the development area such … as release management based upon your experience and best industry practice • Conduct code reviews to ensure adherence to best practices and continuous improvement • Manage our GitHub based code repository • Drive innovation, exploring new technologies and approaches to enhance our solutions Where your expertise will lie: • C#/.NET More ❯