101 to 125 of 152 Clean Code Jobs in London

Couchbase, SQL, and Docker • Working with your team to design APIs and services that power our mobile experiences • Contributing to technical discussions and helping prioritise features during sprints • Reviewing code, sharing feedback, and supporting others through collaboration and mentoring • Troubleshooting production issues and improving performance and reliability • Exploring new technologies and proposing ways to enhance our systems and workflows … and maintaining Java-based applications • An understanding of the importance of testing and familiarity with TDD practices • An analytical and collaborative approach to solving problems • A commitment to writing clean, maintainable, and scalable code • Curiosity about how systems perform in production and how users interact with them • A proactive attitude toward learning and improving how the team works More ❯

track record delivering high-quality SaaS products at scale Strong understanding of UI/UX principles and performance optimization Excellent communication, problem-solving, and leadership skills Passion for writing clean, maintainable, and scalable code Bonus: Experience in financial technology or asset management software. Salary £85k - £95k + benefits If your keen to find out more, feel free to More ❯

track record delivering high-quality SaaS products at scale Strong understanding of UI/UX principles and performance optimization Excellent communication, problem-solving, and leadership skills Passion for writing clean, maintainable, and scalable code Bonus: Experience in financial technology or asset management software. Salary £85k - £95k + benefits If your keen to find out more, feel free to More ❯

track record delivering high-quality SaaS products at scale Strong understanding of UI/UX principles and performance optimization Excellent communication, problem-solving, and leadership skills Passion for writing clean, maintainable, and scalable code Bonus: Experience in financial technology or asset management software. Salary £85k - £95k + benefits If your keen to find out more, feel free to More ❯

track record delivering high-quality SaaS products at scale Strong understanding of UI/UX principles and performance optimization Excellent communication, problem-solving, and leadership skills Passion for writing clean, maintainable, and scalable code Bonus: Experience in financial technology or asset management software. Salary £85k - £95k + benefits If your keen to find out more, feel free to More ❯

and maintain software solutions and take ownership of your projects from start to finish. What You'll Do: Build, test, and deploy new features across the full stack. Write clean, high-quality code and participate in code reviews. Find and fix bugs and solve complex technical problems. Help improve system performance, testing, and monitoring. What You'll More ❯

and maintain software solutions and take ownership of your projects from start to finish. What You'll Do: Build, test, and deploy new features across the full stack. Write clean, high-quality code and participate in code reviews. Find and fix bugs and solve complex technical problems. Help improve system performance, testing, and monitoring. What You'll More ❯

frontend applications. Deliver scalable, performant, and reliable solutions for high-traffic platforms. Collaborate with designers, product teams, and fellow engineers to raise the standard of customer-facing experiences. Write clean, testable code and follow modern development best practices. Contribute ideas for technical improvements and new greenfield builds. Essential Skills and Experience Strong commercial experience with PHP (backend). More ❯

TypeScript, and Next.js Contribute to our serverless GCP architecture — including Cloud Functions, Firestore, and Cloud Run Collaborate with designers and product managers to deliver beautiful, intuitive user interfaces Write clean, testable, and maintainable code following best practices Integrate with third-party APIs and Shopify’s ecosystem Contribute ideas to improve code quality, developer workflows, and overall architecture More ❯

TypeScript, and Next.js Contribute to our serverless GCP architecture — including Cloud Functions, Firestore, and Cloud Run Collaborate with designers and product managers to deliver beautiful, intuitive user interfaces Write clean, testable, and maintainable code following best practices Integrate with third-party APIs and Shopify’s ecosystem Contribute ideas to improve code quality, developer workflows, and overall architecture More ❯

TypeScript, and Next.js Contribute to our serverless GCP architecture — including Cloud Functions, Firestore, and Cloud Run Collaborate with designers and product managers to deliver beautiful, intuitive user interfaces Write clean, testable, and maintainable code following best practices Integrate with third-party APIs and Shopify’s ecosystem Contribute ideas to improve code quality, developer workflows, and overall architecture More ❯

TypeScript, and Next.js Contribute to our serverless GCP architecture — including Cloud Functions, Firestore, and Cloud Run Collaborate with designers and product managers to deliver beautiful, intuitive user interfaces Write clean, testable, and maintainable code following best practices Integrate with third-party APIs and Shopify’s ecosystem Contribute ideas to improve code quality, developer workflows, and overall architecture More ❯

Typescript. Design, build, and evolve RESTful & GraphQL APIs and microservice-based architectures. Work with a cross-functional team to ensure the reliability, scalability, and performance of our systems. Write clean, testable, and efficient code - contributing to a strong culture of quality and care. Support deployment, monitoring, and troubleshooting processes. Collaborate with the wider team on product design, data … You care about clarity, simplicity, and collaboration more than personal credit or competition. You're curious, humble, and eager to learn from others. You take pride in well-crafted code and thoughtful systems. You have solid experience with ES2016+, Typescript, and asynchronous programming concepts. You have strong familiarity React and modern front-end frameworks. You have knowledge of testing More ❯

developers to deliver robust, production-quality software. Key Responsibilities: Build and maintain Python web applications (FastAPI preferred) Integrate AI/ML components with backend, data, and compute infrastructure Deliver clean, well-documented code following best practices Implement automated testing frameworks and CI/CD workflows Monitor and improve performance metrics across deployed tools Collaborate with technical teams to More ❯

developers to deliver robust, production-quality software. Key Responsibilities: Build and maintain Python web applications (FastAPI preferred) Integrate AI/ML components with backend, data, and compute infrastructure Deliver clean, well-documented code following best practices Implement automated testing frameworks and CI/CD workflows Monitor and improve performance metrics across deployed tools Collaborate with technical teams to More ❯

Design, build, and maintain scalable open data services and APIs Lead technical decisions and contribute to architectural direction Collaborate with user-centred design (UCD) teams and technical experts Ensure code quality, documentation, and maintainability Align delivery with recognised standards including the Technology Code of Practice and Service Standard Essential Skills & Experience 4+ years of experience in software development … Strong proficiency in Ruby (Python is a bonus) Experience with microservices or service-oriented architecture Skilled in writing clean, well-documented code and taking ownership of the development process Comfortable working in agile , cross-functional teams Familiarity with: Docker & Kubernetes Git & version control API development (REST, GraphQL) Cloud deployment Open data platforms or search technologies Desirable Experience working More ❯

Running a Backend Team Responsibilities We are looking for engineers at all levels to join the team. We value people being engaged and caring about customers, caring about the code they write and the contribution they can make to banking around the world. People with a broad ability to apply themselves to a multitude of problems and challenges, who … to hiring and we care more about aptitude and attitude than specific experience or qualifications. We are very open about how we deliver software. For the most part we code in Java, but you need not be an expert when you join us! We believe in clean coding, simple solutions, automated testing and continuous deployment. If you care More ❯

. Creating a developer-friendly API portal , complete with onboarding, documentation, and usage examples. Working closely with internal teams to deliver a scalable, compliant, and well-documented solution. Writing clean, well-structured code using C#/.NET Core (with possible TypeScript/JavaScript extensions). What We’re Looking For: Strong background in Microsoft Azure , including API Management … and App Services . Experience with Microsoft Teams app development or Microsoft 365 integrations . Familiarity with OpenAPI/Swagger , Postman , and developer documentation . Exposure to Infrastructure as Code (Bicep, Terraform, ARM) . Version control and CI/CD using Azure DevOps or GitHub . Bonus: Knowledge of biometric or identity-based solutions . Contract Details: Start: Immediate More ❯

features end to end, from implementation to testing and launch. You will work closely with senior engineers who will guide architecture decisions while you focus on delivering high-quality code and learning how to scale a SaaS product. This is the ideal moment to join: Zelt has product-market fit and strong backing, yet it is still early enough … that your work will influence the platform’s growth and user experience. You will see your code reach customers quickly and have visible impact. You will join a lean, product-focused team where your ideas count, your growth is supported, and your work helps shape a platform used every day by modern companies. What you will do: Implement and … the stack using React, TypeScript, Node.js, NestJS, PostgreSQL and AWS Collaborate closely with senior engineers, product and design to deliver well-scoped features from start to finish Participate in code reviews, share knowledge and grow your skills while supporting a collaborative team culture Write clean, maintainable, well-tested code and follow engineering best practices Contribute to improving More ❯

features end to end, from implementation to testing and launch. You will work closely with senior engineers who will guide architecture decisions while you focus on delivering high-quality code and learning how to scale a SaaS product. This is the ideal moment to join: Zelt has product-market fit and strong backing, yet it is still early enough … that your work will influence the platform’s growth and user experience. You will see your code reach customers quickly and have visible impact. You will join a lean, product-focused team where your ideas count, your growth is supported, and your work helps shape a platform used every day by modern companies. What you will do: Implement and … the stack using React, TypeScript, Node.js, NestJS, PostgreSQL and AWS Collaborate closely with senior engineers, product and design to deliver well-scoped features from start to finish Participate in code reviews, share knowledge and grow your skills while supporting a collaborative team culture Write clean, maintainable, well-tested code and follow engineering best practices Contribute to improving More ❯

platform. You'll play a key role in building performant, modern web applications that visualise complex data and integrate seamlessly with a Python/FastAPI backend. The team values clean, reliable, and maintainable code - so this is a great opportunity to make an impact in both product and technical decision Location: Remote (UK) Contract: 6 Months (likely extension … applications using React and TypeScript . Collaborate with backend engineers to integrate APIs (FastAPI, SQLModel, PostgreSQL). Optimise performance and scalability of frontend components for complex data workloads. Implement clean, reusable UI components and modern design patterns. Work closely with product and data teams to deliver user-friendly data visualisations. If you're interested, apply now for immediate consideration. More ❯

engines such as Athena, Trino, or ClickHouse. Required Skills: Hands-on software development and data engineering experience. Must have strong financial or trading background. Strong Python & SQL skills: writing clean, testable code following SOLID principles. Hands-on experience using Athena, Trino, ClickHouse, or other distributed SQL engines and knowledge of cost/scan optimization. Experience with cloud platforms More ❯

engines such as Athena, Trino, or ClickHouse. Required Skills: Hands-on software development and data engineering experience. Must have strong financial or trading background. Strong Python & SQL skills: writing clean, testable code following SOLID principles. Hands-on experience using Athena, Trino, ClickHouse, or other distributed SQL engines and knowledge of cost/scan optimization. Experience with cloud platforms More ❯

ML solutions. * MLOps practices: CI/CD, model monitoring, retraining. * Use of open-source and enterprise tools (LangChain, Azure OpenAI, Databricks). * Generative AI features: embeddings, RAG, AI agents. * Clean, testable code with modern engineering practices. * Align with enterprise architecture and governance. * Collaborate with architects and stakeholders. * Lifecycle management of models. * Pilot emerging technologies. Experience & Skills More ❯

Qualifications & Skills required: 5+ years of Python development Strong understanding of database systems (e.g. PostgreSQL) 5+ years of front-end development and deployment RESTful API design and development Demonstrable clean, maintainable code practices What you'd be doing: Take ownership of designing and delivering new capabilities within existing systems Requirements gathering and programme planning - translating user requirements into More ❯