1 to 25 of 153 Clean Code Jobs in London

direction and influence Technology and Product investment decisions, engineering team structures and delivery approaches to ensure sustainable, scalable outcomes. Champion engineering excellence by promoting clean code, clean architecture, automation, DevOps principles and pragmatic engineering practices that improve maintainability, productivity and delivery quality. Drive operational ownership … engineering environments, with a proven track record of strategic thinking, technical innovation and successful large‐scale delivery. Strong expertise in software engineering fundamentals, including clean code, clean architecture, design patterns, distributed systems and solution design for highly complex, business‐critical platforms. Demonstrable experience shaping technology strategy ...

product owners to understand requirements, shape solutions and influence architectural decisions. Lead and contribute to technical discussions to ensure smooth integration across services. Code quality and best practice (15%) : Champion clean code principles, contract-first design and well-tested software. Lead by example in code reviews … Take real ownership of features and technical initiatives, from concept to production, and see the direct impact of your work. Keep it Simple : Use clean, well-structured code and clear design to solve intricate problems in a way that's easy to maintain and extend. Better Together : Collaborate ...

iteration, and strong engineering practices. Here, you’ll work alongside passionate experts, leverage the latest in AI, and contribute to a culture that values clean code, thoughtful design, and direct, hands‐on problem‐solving. We’re not just adopting AI; we’re building the intelligence that powers … engineering excellence. If you’re a builder who thrives on technical challenge, delivering measurable impact, and mentoring others while getting your hands dirty with code, we want to hear from you. Architect & Build Production Systems: Lead the hands‐on development of sophisticated Generative AI applications, LLM‐powered solutions ...

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 … internal and external brand outreach activities. Requirements Significant track record of strategic and innovative thinking, as well as execution and implementation. 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 solutions ...

direction and influence our overall strategy Champion Communities of Practice 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 Drive DevOps practices to automate the Product development life … internal and external brand outreach activities Requirements Significant track record of strategic and innovative thinking, as well as execution and implementation Specialist in clean code and implementation of design patterns for common problems Depth of knowledge in Information Security Confident driving system design conversations Able to analyse current ...

solutions end‐to‐end, from technical design and architecture through to production deployment, monitoring, support, and continuous improvement. Champion engineering best practices across code quality, testing, CI/CD, observability, maintainability, and operational resilience. Mentor and guide junior and mid‐level engineers, setting high technical standards through code … using Angular or React, with a focus on reliable, maintainable, and responsive UI delivery. Strong understanding of software engineering best practices, including automated testing, clean code, code reviews, CI/CD, observability, and secure development practices. Experience deploying and operating production‐grade systems in cloud or hybrid ...

that support great user experiences across our platforms. Engineering excellence (35%) : Design, build and maintain backend services using modern Java and Spring Boot, applying clean code principles, contract-first design and robust automated testing. Leadership & collaboration (30%) : Guide and mentor engineers in the team, champion best practices … clear, maintainable solutions that allow the team to move quickly and safely. Better Together : Be part of a collaborative engineering culture that values pairing, code reviews, shared decision-making and learning from each other. What Success Looks Like In your first few months, you'll have: Contributed ...

with databases, web services, or AWS services (Neo4j, DynamoDB, RDS, S3, Parameter Store, SQS, SNS, Kinesis) to support ingestion, storage, and messaging pipelines. Champion clean code, SOLID principles, and engineering best practices , setting standards and mentoring engineers. Collaborate with product managers and engineering teams to deliver advanced search … cloud-native architectures with AWS and Kubernetes (EKS) . An advocate of best practices for rapid development of quality software, including SOLID principles, clean code, architectural design patterns, CI/CD Familiarity with Agile, Kanban, or other iterative development methodologies. Comfortable learning new technologies, languages, and tools ...

developing and enhancing Java-based applications, APIs and web platforms Customising and extending third-party trading systems Building scalable microservices and distributed applications Writing clean, maintainable, test-driven code using SOLID principles and design patterns Working closely with business stakeholders to translate requirements into technical solutions Participating … architecture discussions, code reviews and continuous improvement initiatives Mentoring and supporting developers while promoting engineering excellence Collaborating with global development teams and contributing to Agile delivery Leveraging AI tools to improve developer productivity throughout the SDLC. About You You'll have strong Java development experience gained within Financial Services ...

tech stack : You’ll work in React (JavaScript/TypeScript) on the frontend and Python (FastAPI, SQLAlchemy) on the backend, shipping production-ready code and user-facing features in addition to innovative ML work. Live on the cutting edge of AI tooling : You’ll help push the boundary … paced iterative environment : Collaborate closely with design, product, and beyond to deliver and iterate on impressive features and prototypes at world-class pace. Keep code clean and well-tested : Maintain clean, efficient, and tested code with clear documentation for both peers and future reference. Review, refine ...

opportunity to work on technically challenging programmes where quality is fundamental to success. The Opportunity Our client is looking for engineers who enjoy writing code as much as they enjoy finding defects. As an SDET, you'll work closely with software engineers, DevOps specialists, architects, and business stakeholders … front-end applications. Integrating automated testing into CI/CD pipelines using tools such as Azure DevOps, Jenkins, or GitHub Actions. Writing clean, maintainable automated tests using Java, Python, C#, or JavaScript/TypeScript. Collaborating with multidisciplinary delivery teams to define effective quality strategies. Investigating test failures, identifying root ...

maintain in-house systems, APIs, reporting tools and the client web portal Customise and extend third-party trading systems to meet business requirements Write clean, well-tested code following SOLID principles, Design Patterns and Clean Code practices Apply TDD and BDD methodologies; maintain test coverage using … JUnit, Spock and Mockito Participate in code reviews and contribute to continual improvement of engineering standards Manage and mentor a team of Java (and other) developers, supporting growth and career development Liaise with various stakeholders (IT and Business) to understand requirements and propose solutions to senior stakeholders Essential 6+ ...

providing technical guidance, mentoring, and support while remaining heavily involved in software design, architecture, and development. You'll help shape the engineering culture, champion clean code and modern development practices, and influence the technical roadmap as the company continues its rapid growth. If you're someone who enjoys … deliver exceptional user experiences. Drive frontend best practices, ensuring applications are performant, accessible, and maintainable. Design and implement scalable microservices and RESTful APIs. Champion Clean Architecture, SOLID principles, and modern software engineering practices across the team. Conduct code reviews, provide technical mentoring, and support engineers with architectural ...

next phase of success. Job Overview As a Senior Software Engineer, you'll build and maintain our core domain services. You'll write clean, well-tested code, deliver reliably, and hold a consistently high standard in everything you ship. You’ll work within a modern architecture built … traceability, and reliability. Key Responsibilities Build and maintain core domain services using C# and .NET. Deliver high-quality, well-tested, maintainable code. Review peers’ code and contribute to a strong, consistent engineering standard. Build systems that are auditable, resilient, and observable in regulated environments. Use AI tooling in your ...

sales activity, and the growth of our engineering practice. This is an ideal role for someone who enjoys solving complex process problems through clean code, automation, and modern engineering practices. Key Responsibilities Design, develop, and deploy Camunda-based process and decision automation solutions Implement and integrate Java-based … maintain automated test suites, CI/CD pipelines, and containerised deployments Optimise Camunda engine performance and monitor workflow metrics for production environments Participate in code reviews, peer testing, and technical design discussions Support migration of legacy process platforms to Camunda 8/Zeebe where applicable Contribute to Cascis internal ...

pipelines using tools such as Jenkins, GitHub Actions, or AWS CodePipeline. Work with containerisation technologies (Docker) and orchestration platforms (ECS/EKS). Ensure code quality through unit, integration, and automated testing. Apply secure coding practices, including OAuth2/JWT authentication and general security best practices. Collaborate with cross … functional teams to deliver high‐impact features and improvements. Participate in code reviews, architectural discussions, and continuous improvement initiatives. Required Skills & Experience Strong proficiency in Java, Spring Boot, and modern backend development. Hands‐on experience with AWS cloud services (Lambda, API Gateway, DynamoDB, ECS, S3, etc.). Solid understanding ...

decisions and software best practices. Support continuous improvement across development, testing and deployment processes. Collaborate with international development teams in an Agile environment. Champion clean code, software craftsmanship and engineering excellence. The ideal candidate will have Strong commercial experience with C# .NET and object-oriented programming principles. Excellent ...

developer usability. Develop resilient APIs and backend services that enable secure authentication, authorisation, and identity management capabilities across the organisation. Champion engineering excellence through clean, maintainable, and well-tested code, helping establish best practices across teams. Actively participate in code reviews, technical discussions, pair programming, and knowledge … authentication standards is highly desirable. Core Competencies Demonstrates expertise in designing and developing secure, scalable authentication and identity services, with a strong focus on clean code practices and operational ownership in cloud-native environments. Proficient in building resilient APIs and backend services while balancing security, usability, and performance. ...

DevOps, and QA, to ensure software meets business requirements. Implement and optimise CI/CD pipelines to enhance development efficiency and software quality. Conduct code reviews, providing constructive feedback to enhance team performance and code quality. Troubleshoot and resolve technical issues, ensuring software operates smoothly and efficiently. Stay … successful delivery. Proficiency in multiple programming languages Experience in central government advantageous Experience in a consulting environment Skills So ftware Development Expertise in writing clean, maintainable code and optimising software for performance and scalability. Ability to design and implement software that meets business and technical requirements. Ensure ...

performance, and mentoring less- experienced engineers in workflow-centric delivery. This is an ideal role for someone who enjoys solving complex process problems through clean code, automation, and modern engineering practices. Responsibilities Design, develop, and deploy Camunda-based process and decision automation solutions Implement and integrate Java-based … maintain automated test suites, CI/CD pipelines, and containerised deployments Optimise Camunda engine performance and monitor workflow metrics for production environments Participate in code reviews, peer testing, and technical design discussions Contribute to their internal best-practice frameworks and automation accelerators Essential Eligible (have resided ...

performance, and mentoring less- experienced engineers in workflow-centric delivery. This is an ideal role for someone who enjoys solving complex process problems through clean code, automation, and modern engineering practices. Responsibilities Design, develop, and deploy Camunda-based process and decision automation solutions Implement and integrate Java-based … maintain automated test suites, CI/CD pipelines, and containerised deployments Optimise Camunda engine performance and monitor workflow metrics for production environments Participate in code reviews, peer testing, and technical design discussions Contribute to their internal best-practice frameworks and automation accelerators Essential Eligible (have resided ...

performance, and mentoring less- experienced engineers in workflow-centric delivery. This is an ideal role for someone who enjoys solving complex process problems through clean code, automation, and modern engineering practices. The role involves visiting client sites the company will cover travel expenses. Frequency is uncertain but candidates … maintain automated test suites, CI/CD pipelines, and containerised deployments Optimise Camunda engine performance and monitor workflow metrics for production environments Participate in code reviews, peer testing, and technical design discussions Contribute to their internal best-practice frameworks and automation accelerators Essential Eligible (have resided ...

performance, and mentoring less- experienced engineers in workflow-centric delivery. This is an ideal role for someone who enjoys solving complex process problems through clean code, automation, and modern engineering practices. The role involves visiting client sites; the company will cover travel expenses. Frequency is uncertain but candidates … maintain automated test suites, CI/CD pipelines, and containerised deployments Optimise Camunda engine performance and monitor workflow metrics for production environments Participate in code reviews, peer testing, and technical design discussions Contribute to their internal best-practice frameworks and automation accelerators Essential Eligible (have resided ...

React-based user interfaces for handling user tasks. Develop and maintain backend services using Java and SQL-based systems. Analyze business requirements and deliver clean, scalable, and testable code. Ensure all features and user stories are delivered with 100% automated test coverage. Participate actively in SCRUM ceremonies and keep ...

scalable and maintainable Java based applications Collaborate with cross‐functional teams to align technology solutions with business needs Lead by example with high quality, clean code using modern Java, Spring and related technologies, promote best practices in software engineering Take responsibility for identification, estimation and reporting on progress ...