1 to 25 of 89 Clean Code Jobs in London

passionate about building scalable, high-quality data systems. This is an opportunity to work on globally impactful products in a modern cloud environment, alongside a collaborative team that values clean code, continuous learning, and strong engineering principles. What You'll Be Doing You'll be a key contributor to the development of a next-generation data platform, with … development of a lakehouse architecture using Apache Iceberg Collaborating with product and business teams to deliver data-driven solutions Embedding observability and quality checks into data workflows Participating in code reviews, pair programming, and architectural discussions Gaining domain knowledge in financial data and sharing insights with the team What They're Looking For Core Requirements Proficiency in Python, with … a focus on clean, maintainable code (bonus for experience with type hints, linters, and testing frameworks like pytest) Solid understanding of data engineering fundamentals: ETL/ELT, schema evolution, batch processing Experience or strong interest in Apache Spark for distributed data processing Familiarity with AWS data tools (e.g., S3, Glue, Lambda, EMR) Strong communication skills and a collaborative More ❯

also have a belief in a DevOps culture, as our client build and own the entire stack, while endeavouring to automate as much as possible. Responsibilities Compose well-structured clean code to improve the lives of customers and colleagues Create supporting infrastructure as code and CI/CD pipelines to deploy your code into the cloud … contributing to a culture of continuous improvement Requirements Minimum of 5 years’ experience as a Java Engineer with experience in Java, Kafka, Spring and AWS Excellent experience of writing clean code using Java 17+ with tools and frameworks like Spring, Spring Boot, Maven Experience with Microservices/microservice architecture Expert in writing automated tests (TDD/BDD) using More ❯

Are you a budding C# developer with a passion for finance and clean code? Join a prestigious asset manager in the heart of the City of London, where you'll help build and maintain internal financial applications that power investment decisions across global markets. You must demonstrate 1 - 3 year's minimum C# development experience. About the Role … the inner workings of financial services. Key Responsibilities • Develop and maintain internal applications using C#, .NET, and SQL Server • Collaborate with business analysts and stakeholders to gather requirements • Write clean, testable code and participate in code reviews • Support and enhance existing systems used by investment teams • Contribute to the evolution of the firm’s technology stack Requirements More ❯

focus on both application logic and data access . This role is ideal for someone confident in both C#/.NET development and SQL , and who enjoys working on clean, maintainable code and performance-optimised database logic. What You’ll Be Working On: Designing and building backend services in C#. Building secure, well-structured APIs with throttling and … and scripts. Integrating external systems with custom data synchronisation logic. Utilising Open Telemetry and Grafana for logs, metrics, tracing, and alerting across backend services. Contributing to technical design discussions, code reviews, and deployments. What We’re Looking For: Strong experience in C#/.NET backend development. Solid understanding of data modelling, indexing, and performance tuning. Skilled in writing and … optimising complex SQL queries and stored procedures. Experience building and maintaining APIs, background jobs, and integration points. Attention to detail, clean code, and a performance-first mindset. Great problem-solving and troubleshooting skills. Good communication and teamwork skills. What You’ll Get: £70,000 Salary. 25 days holiday + 8 public holidays. Employer Pension contribution. Flexible hybrid working More ❯

focus on both application logic and data access . This role is ideal for someone confident in both C#/.NET development and SQL , and who enjoys working on clean, maintainable code and performance-optimised database logic. What You’ll Be Working On: Designing and building backend services in C#. Building secure, well-structured APIs with throttling and … and scripts. Integrating external systems with custom data synchronisation logic. Utilising Open Telemetry and Grafana for logs, metrics, tracing, and alerting across backend services. Contributing to technical design discussions, code reviews, and deployments. What They’re Looking For: Strong experience in C#/.NET backend development. Solid understanding of data modelling, indexing, and performance tuning. Skilled in writing and … optimising complex SQL queries and stored procedures. Experience building and maintaining APIs, background jobs, and integration points. Attention to detail, clean code, and a performance-first mindset. Great problem-solving and troubleshooting skills. Good communication and teamwork skills. What You’ll Get: £70,000 Salary. 25 days holiday + 8 public holidays. Employer Pension contribution. Flexible hybrid working More ❯

assets. This is your opportunity to shape technology that will redefine how people invest and achieve financial freedom. All development within Core Wealth Services is greenfield. That means a clean slate - the chance to design, architect and build from the ground up using modern technologies and best practices. No legacy constraints. Just the freedom to architect scalable, robust, and … planning, estimation, and execution of projects. Embed continuous improvement into how the team builds, tests, deploys, and maintains software. Champion modern engineering practices (CI/CD, TDD/BDD, clean code). People & Team Leadership Lead, coach, and grow a high-performing and inclusive engineering team. Foster a psychologically safe environment where learning and innovation thrive. Inspire and More ❯

product management, UX/UI, 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 current with industry trends and … senior engineering role, guiding teams to successful delivery. Proficiency in multiple programming languages Experience in central government advantageous Experience in a consulting environment Skills Software 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 all key business logic is covered … by tests. Code Quality and Testing Proficient in automated testing frameworks and ensuring software is reliable and bug-free. Experience conducting code reviews and maintaining high coding standards within the team. Collaboration and Communication Effective at working with cross-functional teams to deliver project objectives. Strong skills in communicating technical concepts to diverse stakeholders, ensuring understanding and alignment. More ❯

similar). Strong SQL skills with hands-on PostgreSQL experience. Comfortable working with microservices, monoliths, and message-oriented architectures. Solid understanding of Agile best practices (CI/CD, testing, clean code, evolving architecture). DevOps experience with cloud infrastructure tools (e.g. Terraform ). Track record of driving technical projects to completion. Excellent communication skills – able to explain technical More ❯

business combines product-led engineering with data-driven decision making, and is looking for an experienced backend engineer to help build and maintain their core platform. The team values clean code, automated testing, and pragmatic architecture. You'll join a small, experienced engineering group where ownership and collaboration are central to delivery. The Role You will take responsibility … APIs using Python and Django (or Django REST Framework). Building performant, secure data models and database schemas (Postgres). Writing automated tests (unit/integration) and participating in code review processes. Collaborating with frontend engineers to define interfaces and deliver product features. Working with DevOps/Platform teams on CI/CD, containerisation and deployment (Docker, Kubernetes or More ❯

Python, leveraging FastAPI. Lead architectural discussions with a focus on performance, scalability, and reliability. Deliver complex features end-to-end - from design through deployment and monitoring. Provide mentorship through code reviews, technical guidance, and best practices. Collaborate with Product, Design, and Engineering teams to deliver at pace. Continuously raise the bar for engineering standards, code quality, and delivery. … development environment Solid expertise in microservices, APIs, messaging patterns, and distributed systems. Proficient with cloud platforms (AWS, GCP, Azure) and containerisation (Docker; Kubernetes preferred). Strong engineering fundamentals - testing, clean code, performance tuning, and algorithms. Experience with relational and non-relational databases (PostgreSQL, MongoDB). Comfortable working in agile, fast-moving environments with high ownership. Curious about new More ❯

in AWS services, e.g. EC2, S3, RDS, DynamoDB, Redshift, Lambda, API Gateway Solid foundation in software engineering principles, including version control (Git), testing, CI/CD, modular design, and clean code practices. Experience developing reusable components and APIs is a strong plus. Advanced SQL skills for complex data queries and transformations Proficiency in at least one programming language More ❯

Experience with Javascript/Typescript and a modern JS framework such as React , Angular or Vue.js . We generally use React & NextJS Strong engineering principles & practices : design patterns, testing, clean code and a good reviewerPrevious experience working in a product-focused team A keen desire to want to learn and input into a highly collaborative team A desire More ❯

models into production applications using APIs or custom implementations Collaborate with data scientists to implement AI solutions (e.g., NLP, computer vision, predictive analytics) Optimize application performance and scalability Write clean, maintainable, and testable code Participate in code reviews and provide constructive feedback Maintain documentation for AI integration and software solutions Stay up-to-date with emerging technologies More ❯

models into production applications using APIs or custom implementations Collaborate with data scientists to implement AI solutions (e.g., NLP, computer vision, predictive analytics) Optimize application performance and scalability Write clean, maintainable, and testable code Participate in code reviews and provide constructive feedback Maintain documentation for AI integration and software solutions Stay up-to-date with emerging technologies More ❯

models into production applications using APIs or custom implementations Collaborate with data scientists to implement AI solutions (e.g., NLP, computer vision, predictive analytics) Optimize application performance and scalability Write clean, maintainable, and testable code Participate in code reviews and provide constructive feedback Maintain documentation for AI integration and software solutions Stay up-to-date with emerging technologies More ❯

models into production applications using APIs or custom implementations Collaborate with data scientists to implement AI solutions (e.g., NLP, computer vision, predictive analytics) Optimize application performance and scalability Write clean, maintainable, and testable code Participate in code reviews and provide constructive feedback Maintain documentation for AI integration and software solutions Stay up-to-date with emerging technologies More ❯

architecture, mentor peers, and lead by example in a modern engineering culture that embraces AI-assisted development tools like GitHub Copilot etc. 💻 What You'll Do Design and implement clean, testable, maintainable software across the stack Lead the evolution of scalable front-end architectures — think design systems , component libraries , and microfrontends Champion best practices in CI/CD, automated … skills in Node.js , Python , or Go a plus) Comfortable designing and contributing to design systems and component libraries Familiar with microfrontend principles and modular architecture at scale Advocate for clean code, testability, and continuous improvement Open-minded, feedback-driven, and eager to experiment with GenAI development tools 🌍 Why You'll Love It Here Remote-first culture with monthly More ❯

Python, leveraging FastAPI. Lead architectural discussions with a focus on performance, scalability, and reliability. Deliver complex features end-to-end - from design through deployment and monitoring. Provide mentorship through code reviews, technical guidance, and best practices. Collaborate with Product, Design, and Engineering teams to deliver at pace. Continuously raise the bar for engineering standards, code quality, and delivery. … development environment Solid expertise in microservices, APIs, messaging patterns, and distributed systems. Proficient with cloud platforms (AWS, GCP, Azure) and containerisation (Docker; Kubernetes preferred). Strong engineering fundamentals - testing, clean code, performance tuning, and algorithms. Experience with relational and non-relational databases (PostgreSQL, MongoDB). Comfortable working in agile, fast-moving environments with high ownership. Curious about new More ❯

of CI/CD pipelines and automate deployments using AWS CodePipeline or similar tools. Work closely with product managers, designers, and other developers in an Agile development environment. Write clean, maintainable code and contribute to peer code reviews and technical documentation. Required education None Preferred education Bachelor's Degree Required technical and professional expertise 3+ years of … the UK for the last 10 years. You must be able to hold or gain a UK government security clearance. Preferred technical and professional experience Experience with Infrastructure as Code (Terraform, CloudFormation, or AWS CDK). Knowledge of authentication methods such as OAuth, JWT, or AWS Cognito. Exposure to containerised applications using Docker, ECS, or Kubernetes. ABOUT BUSINESS UNIT More ❯

variety, technical challenge, and building well-structured software that others can depend on. You’ll work within a cross-functional engineering group that takes real pride in collaboration and code quality. The role involves building high-performance, event-driven applications, with a focus on reliability, modularity, and scalability across both front-end and back-end services. In the role … Strong hands-on experience across modern web technologies and frameworks • Proficiency in C# or an equivalent object-oriented language, plus React or similar JavaScript frameworks • A genuine interest in clean code, developer experience, and team-wide collaboration • Someone curious, pragmatic, and motivated to deliver maintainable, high-quality systems This is a rare opportunity to join a team that … experimentation, technical growth, and knowledge sharing-alongside regular hackathons, socials, and a positive, open culture. If you’re an engineer who values both autonomy and teamwork, and want your code to make a visible impact, we’d love to speak with you. Apply today or get in touch for a confidential chat. More ❯

applications using .Net Core with associated web frameworks (React, Blazer, Angular). You will collaborate with cross-functional teams to understand project requirements, propose solutions, and deliver high-quality code that meets our clients' needs. As a consultant at Triad, you will play a pivotal role in shaping the technological landscape, defining, designing, and delivering digital solutions across public … to a culture of innovation that has been the hallmark of Triad's 35-year success story. Key Responsibilities: Design, develop, and maintain C# applications, components, and systems. Write clean, efficient, and maintainable code following best practices and coding standards. Collaborate with cross-functional teams including designers, product managers, and other developers to understand project requirements and deliver … high-quality solutions. Participate in code reviews to ensure code quality and provide constructive feedback to peers. Troubleshoot and debug software applications to resolve issues and optimise performance. Stay updated with the latest trends and technologies in web development and software engineering. Document code and technical specifications. Contribute to the continuous improvement of development processes and methodologies. More ❯

Suade is delighted to be an equal opportunity employer we have a diverse team with great values. All qualified applicants will receive consideration for employment without bias. Responsibilities Write clean, maintainable code following established coding standards Implement new features and bug fixes under the guidance of senior engineers Participate in code reviews and contribute to improving code quality Collaborate with frontend engineers to implement API endpoints Participate in agile development processes and team meetings Document code and technical decisions for future reference Bachelor's or master's degree in computer science, Software Engineering, or related field Strong understanding of computer science fundamentals Proficiency in at least one programming language (preferably Python) Basic knowledge of database More ❯

of Internet, Public Cloud and now AI. Your Skills: Experience with Azures native AI stack (including AI Foundry, Search, Cosmos DB, and AKS), strong Python and C# skills, VS Code (ideally with AI tools like Copilot), familiarity with Docker, Kubernetes, and scalable cloud-native architecture, and a track record of working in agile teams using Azure DevOps for CI … first features using Azure AI Foundry, Azure AI Search, Cosmos DB, Docker, and AKS Design and implement scalable architecture with cloud-native tools alongside a collaborative, fast-moving team Code primarily in Python and C# - with bonus points if you can jump into React.js when needed Speed up development using Visual Studio Code with GitHub Copilot (or your … preferred AI coding assistant) Work in a tight feedback loop: branch, commit, pull, test, and ship - all through Azure DevOps Write clean, tested, production-ready code - unit testing is second nature, not an afterthought Participate in focused sprints and daily standups - we work lean, iterate fast, and learn as we go What Youll Bring to the Team: Proven More ❯

applications using .Net Core with associated web frameworks (React, Blazer, Angular). You will collaborate with cross-functional teams to understand project requirements, propose solutions, and deliver high-quality code that meets our clients' needs. As a consultant at Triad, you will play a pivotal role in shaping the technological landscape, defining, designing, and delivering digital solutions across public … to a culture of innovation that has been the hallmark of Triad's 35-year success story. Key Responsibilities: Design, develop, and maintain C# applications, components, and systems. Write clean, efficient, and maintainable code following best practices and coding standards. Collaborate with cross-functional teams including designers, product managers, and other developers to understand project requirements and deliver … high-quality solutions. Participate in code reviews to ensure code quality and provide constructive feedback to peers. Troubleshoot and debug software applications to resolve issues and optimise performance. Stay updated with the latest trends and technologies in web development and software engineering. Document code and technical specifications. Contribute to the continuous improvement of development processes and methodologies. More ❯

requirements and knowledge of a full software design lifecycle to develop products that satisfy customer needs. Role Responsibilities - Works with senior colleagues to design development algorithms and flowcharts - Produces clean, efficient code based on specifications and reviews code submitted by Developers - Integrates software components and third-party programs - Verifies and deploys programs and systems - Supports colleagues in … troubleshooting, debugging and upgrading existing software - Identifies and executes improvements to code - Creates technical documentation for reference and reporting - Works with Architect(s) to create software designs to provide Developers. Minimum Requirements - This is an Individual Contributor role - Degree in Computer Science, Software Engineering or Electronics/Electrical Engineering, or equivalent - Significant knowledge of at least one programming language More ❯