1 to 25 of 77 Clean Code Jobs in London

/day (Inside IR35) – Hybrid (2x a week - London) – 6 month contract Our client is seeking a Senior Java Developer who is passionate about clean code, cloud-native systems, and building technology that makes a real impact. This is a unique opportunity to work in an agile, high … Deploy and manage services in AWS with Kubernetes (EKS) Design, implement, and own features end-to-end from discovery to production support Advocate for clean code, automated testing, and CI/CD best practices Mentor other engineers and contribute to a culture of knowledge-sharing Collaborate with cross ...

workflows. Collaborate closely within Agile teams, participating in pair programming, peer reviews, and continuous improvement practices. Contribute to good engineering culture through documentation, clean code, and technical transparency. Required Technical Skills C# Full Stack .NET developer with strong experience in: SQL Server SQL Server Reporting Services (SSRS) ASP.NET … Playwright and PyTest Experience with reporting and BI tools (e.g., Power BI, Tableau) Familiarity with Agile delivery practices and ceremonies Strong general engineering discipline: clean code, documentation, maintainability To apply for this role please submit your CV or contact Dillon Blackburn on (phone number removed ...

that scale efficiently, perform reliably, and integrate seamlessly across business functions. Lead by example in Azure DevSecOps: create and manage pipelines (YAML), infrastructure-as-code (Bicep, Terraform), and container orchestration (AKS, Docker). Embed engineering best practice: implement CI/CD, code quality gates, automated testing, and observability … integration (APIs, pipelines) Cloud & DevSecOps Azure DevOps (Repos, Pipelines, Boards, Artifacts, Test Plans) CI/CD automation, gated releases, and environment governance Infrastructure-as-Code (Bicep, ARM, Terraform) Containerisation (Docker, AKS) and serverless (Azure Functions) Monitoring and observability (Application Insights, Log Analytics) Secrets management and vulnerability scanning (Key Vault ...

experienced engineering team delivering reliable backend services and APIs in a cloud-based environment. This role suits someone who enjoys hands-on development, clean code, and working with up-to-date tools and frameworks. What You'll Do Build and maintain Python-based backend services and APIs Write … clean, testable, well-structured code Work with cloud infrastructure and containerised environments Collaborate with engineers, product, and data teams Contribute to system design, performance, and reliability Tech Stack Python 3.x FastAPI/Flask/Django REST APIs, async Python PostgreSQL/MySQL/Redis Docker, Kubernetes AWS/ ...

building and scaling our financial operations platform. This is a hands-on, high-impact position where you will be directly responsible for delivering clean, scalable, and high-performance code. You will work closely with product managers, designers, and other engineers to solve complex problems and create intuitive solutions that … working with databases (SQL and NoSQL), APIs, and web technologies. Experience with cloud platforms (AWS, GCP, Azure) Solid understanding of software engineering principles, including clean code, testing, and version control (git). Strong problem-solving skills and the ability to break down complex technical issues and deliver simple ...

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 ...

forward-thinking team on a six-month contract. You'll be working on modern software solutions within a supportive Agile environment that values clean code, test-driven principles, and continuous improvement. What You'll Be Doing Designing, developing, testing, and maintaining Java-based applications. Building and deploying solutions … Amazon AWS cloud environments. Contributing to a microservices-based architecture. Writing clean, testable, and well-documented code following TDD or BDD practices. Collaborating closely with teammates to solve technical challenges and deliver high-quality results. Debugging and ensuring functionality through solid unit and component testing. Supporting a positive ...

DynamoDB, RDS) NestJS or equivalent back-end frameworks Microservices and event-driven architectures We also actively embrace AI coding assistants (such as Claude Code) to speed up development, improve code quality and reduce repetitive work — and we encourage engineers to use these tools effectively. What we're looking … experience developing UIs with React Solid understanding of cloud-native engineering on AWS Experience with microservices, messaging patterns and distributed systems A commitment to clean code, testing, observability and operational excellence A proactive and motivated mindset — someone who wants to build, ship and iterate quickly Interest ...

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 ...

similar platform. Experience with Scala and Spark. Integrating with backing services, such as PostgreSQL, Redis or S3 Good engineering practices including continuous delivery, clean code, documentation, defensive programming, automated testing and code reviews Working in Agile development and/or DevOps teams Using GitHub/GitLab ...

features within an insurance analytics platform, contributing to its long-term technical direction and responding to user and stakeholder needs Write high-quality, maintainable code primarily using .NET , with opportunities to work in other languages such as Python Work closely with professionals from different disciplines, including analytics experts … engineers, to translate complex insurance concepts into robust software functionality Apply established software engineering best practices to ensure code quality, reliability, and long-term maintainability Explore and prototype new tools, technologies, and approaches to support innovation and continuous improvement Contribute to knowledge sharing across the team, supporting a culture ...

platforms used by thousands of customers worldwide seek a Golang Engineer to help scale the next generation of distributed systems. The engineering culture values clean code, ownership, collaboration, and continuous improvement. The Role You’ll be working on high-performance backend services and infrastructure powering mission-critical systems. … Building APIs, internal tooling, and background processing systems Improving performance, reliability, and security of production services Contributing to architectural decisions and best practices Writing clean, well-tested, and well-documented code What We’re Looking For Strong commercial experience with Go (Golang) Hands-on experience deploying and operating ...

scalability, and cost-efficiency in cloud environments (distributed clusters, GPUs). Establish engineering best practices for ML development, including testing, CI/CD, and code review standards. Progression Timeline Month 1: Onboard to existing ML codebase and infrastructure; identify technical debt and reliability gaps; ship incremental improvements to model … building and maintaining ML systems in production environments BSc or MSc in Computer Science, Software Engineering, or a related field Strong software engineering skills: clean code, testing, debugging, version control, and system design Proficiency in Python with experience in ML frameworks (PyTorch, TensorFlow, or JAX) Hands-on experience ...

will play a pivotal role in driving innovation, as well as working on their innovative product utilising a JVM stack ensuring quality across their code base. What we expect from the Senior Backend Engineer: Proven experience across backend engineering utilising JVM technologies Proven hands-on experience in system design … architecture Focus on producing clean code whilst promoting excellent coding practices throughout the team Tech stack: Java 11-17, Springboot PostgreSQL/Kafka AWS/Kubernetes/Terraform Typescript/React Benefits: 10% bonus Life assurance 25 days annual leave (option to buy 5 extra) Flexible/hybrid ...

Build and maintain robust, scalable applications across the full stack (Node/React/TypeScript) Collaborate in an agile team environment to deliver clean, maintainable, and testable code Influence architectural decisions and technology choices Optimise Front End and Back End performance to ensure fast, seamless user experiences Contribute … Expertise in React, JavaScript/TypeScript, HTML, CSS, and responsive design principles Strong understanding of Back End technologies and best practices Passion for writing clean, well-tested code Experience with cloud platforms (AWS, Azure, or GCP) Excellent communication skills and the ability to explain technical ideas clearly ...

modern data stack, including time-series databases, object stores, and streaming frameworks like Apache Flink or Spark Streaming . Engineering Rigor: You write clean, testable, and reliable code. You understand that in this environment, a system failure can cost millions in seconds. Bonus - ML Engineering: Experience with model serving ...

with product, engineering, and non-technical stakeholders to embed AI into real workflows Improve the scalability, reliability, and performance of existing ML systems Review code and architecture, setting a high engineering standard Analyse data and run ad-hoc studies to generate actionable insights into marketing effectiveness What They … experience with PyTorch, TensorFlow, or similar ML libraries Experience deploying and maintaining ML models in production Solid software engineering fundamentals (algorithms, data structures, clean code) Comfortable working with Docker and containerised systems Experience collaborating cross-functionally and owning delivery, not just models A mindset focused on impact, curiosity ...

full stack Build and integrate APIs, ensuring secure and efficient data exchange Develop user interfaces using modern JavaScript frameworks and .NET technologies Write clean, scalable, and maintainable code aligned with best practices Collaborate with cross-functional teams to translate business requirements into technical solutions Participate in code ...

.NET Developer The Role: As a .Net Developer you will join our team to help us deliver high quality code for new and existing projects. Your main focus will be the development and refactoring of backend-services using C# .NET (full framework, .NET6) and supporting application delivery to multiple … main responsibilities of the position include: Full stack design and the implementation of key internal applications Identify, troubleshoot and debug defects in designated application code Write reusable, testable, clean and documented code, utilising prescribed coding conventions Follow test driven development, continuous integration and agile methodologies Participate ...

Java 21) Working with PostGres Building microservices with Spring Boot and related frameworks Developing and maintaining RESTful APIs and event-driven systems Writing clean, testable code and following TDD principles with a strong focus on unit testing Working closely with DevOps, Product, and QA teams to deliver high ...

consuming RESTful APIs (FastAPI) • Working with relational and NoSQL databases • Supporting React frontend development (initially) • Collaborating closely with product, frontend, and DevOps • Writing clean, maintainable code and contributing to reviews • Following best practices around CI/CD and automated testing Requirements: • 3+ years back-end engineering experience • Strong ...

TypeScript) based frontends, SQL Server, Cosmos DB. Own mission‐critical modules such as pricing engines, itinerary or form builders, client proposal app, etc. Write clean, tested code; automate everything from CI/CD pipelines (Azure DevOps/GitHub Actions) to performance benchmarks. Investigate and diagnose issues and perform ...

tech and pushes constant improvement across all client deliveries. What you will do * Lead development across Business Central with a strong focus on clean code and best practice * Build new features and extend existing functionality across finance supply chain manufacturing and service modules * Work closely with consultants ...

Design and implement high-throughput data streaming solutions using Kafka, Flink, or Confluent. Build and maintain scalable backend systems in Python or Scala, following clean code and testing principles. Develop tools and frameworks for data governance, privacy, and quality monitoring, ensuring full compliance with data protection standards. Create ...

modern, customer-facing web platform. This is a hands-on role for someone who enjoys working on complex interfaces, data-driven products and clean, well-structured front end architecture. You will work closely with product and engineering teams to deliver high quality user experiences, taking ownership of features from … patterns Working with reactive programming concepts using RxJS Collaborating with product managers and engineers to scope and deliver features Writing well tested, maintainable code with performance in mind Improving existing front end architecture and contributing to technical standards Using modern tooling and AI assisted workflows to speed up development ...