76 to 100 of 134 Clean Code Jobs in London

impacting millions globally. Ideal candidates will have over 6 years of mobile development experience, deep expertise in iOS and Swift, and a passion for clean code. Benefits include Apple hardware, health insurance, transportation budget, and free meals at the office. Join Air Apps in redefining resource management! #J ...

space. This is a craft-led role for a developer who cares as much about visual quality, motion and storytelling as they do about clean, performant code. You'll be taking beautifully designed concepts and bringing them to life through real-time 3D and interaction-rich web experiences.You ...

focusing on the entire SDLC lifecycle stages. Job responsibilities Collaborate with cross‐functional teams to define, design, and ship new features. Create and maintain clean, efficient, and reusable codebase. Conduct thorough testing to ensure robustness and reliability of applications. Troubleshoot and debug issues, ensuring smooth application functionality. Communicate effectively … with stakeholders to gather requirements and provide progress updates. Mentor junior developers, providing guidance on best practices and code reviews. Stay updated with the latest industry trends and best practices in mobile development. Drive continuous improvement initiatives to enhance development processes and workflows. Required qualifications, capabilities and skills Formal ...

example. What you’ll do: Design and build sophisticated React applications integrating with Microsoft Word, M365, and other Office products using Office.js. Write clean, scalable, and maintainable code while driving performance and reliability. Collaborate with product, design, and engineering teams to deliver user-focused, accessible features. Contribute … architectural discussions and help shape the evolution of our tech stack. Mentor and support team members through knowledge sharing, code reviews, and best practice guidance. Troubleshoot complex technical challenges and drive continuous improvement through automation and AI-assisted workflows. Maintain high-quality standards with robust testing, documentation, and security ...

productivity without compromising on quality, security or maintainability. This role is ideal for someone who enjoys working on distributed systems, takes pride in clean and well-tested code, and wants to contribute to a technically strong and collaborative engineering environment. This role is hybrid in our office … Responsible For Backend Engineering & Service Ownership Design, build and operate production-grade Python microservices using FastAPI and Django where appropriate, applying clean architecture and modern design principles. Develop resilient APIs and distributed systems using async patterns and domain-driven design approaches. Own services end-to-end, from design through ...

managers, designers, and engineers. Dive into the full SDLC - From design to deployment - while leveraging AI tools like GitHub Copilot and ChatGPT to elevate code quality and speed up delivery. Your Responsibilities: Lead feature delivery and contribute to technical strategy Collaborate closely with product and design teams for pixel … perfect execution Write clean, maintainable Swift code using SwiftUI and UIKit Champion engineering best practices, including TDD and CI/CD Mentor and support fellow engineers in their growth What We're Looking For: Proven experience in iOS app development using Swift, SwiftUI, and UIKit Strong knowledge ...

architecture design and collaborating with trading teams. Candidates should have a strong understanding of FX and low-latency development practices, with a focus on clean code and effective communication. The position offers a hybrid work model, 27 days of annual leave, private medical care, and other employee benefits. ...

into responsive, accessible and high‐performance user interfaces. Collaborate strategically with backend engineers, product owners and designers to deliver end‐to‐end solutions. Write clean, tested, maintainable code and set best‐practice standards for the front‐end. Optimize web performance, accessibility (WCAG), responsiveness, and the user experience. Participate … version control ( Git ), modern build tools and an eye for performance optimisation. Strong understanding of scalable front‐end architecture, responsive design, accessibility standards and code maintainability. Nice to Have Experience with server‐side rendering or static site generation (Next.js). Exposure to AI/ML integrations or advanced analytics ...

JavaScript At least 3 years of commercial experience working on a backend REST API Experience writing automated tests Appreciate the value of writing clean and maintainable code Strong desire and willingness to adapt your workflow to incorporate generative AI tools An analytical mind with problem-solving aptitude Have ...

basis and take ownership of complex, enterprise-scale UI systems working at the intersection of design, engineering, and architecture. If you thrive on writing clean, scalable front-end code, enjoy collaborating with cross-functional teams, and want to make a real impact on products used by thousands … modular UI systems using Blazor integrated with .NET APIs. You will own the UI and integration layers at a systems and microservices level, applying clean architecture principles and delivering user experiences that are both visually polished and technically robust. You won't just be writing code ...

maintain scalable, responsive applications using React.js, React Native, and TypeScript Work closely with UX/UI designers to deliver intuitive and engaging interfaces Write clean, efficient, and maintainable code following best practices Optimise applications for performance and scalability Participate in code reviews to ensure high development standards … using version control systems, particularly Git Solid understanding of HTML, CSS, and responsive design principles Strong debugging and performance optimisation skills Ability to produce clean, modular, and well-documented code Excellent communication and collaboration skills Rullion celebrates and supports diversity and is committed to ensuring equal opportunities ...

lead your own ideas from start to finish, with teammates who jump in when it counts. It’s the kind of role where your code and your thinking directly shape how the internet performs. What will you do? Build high-performance systems in C# (.NET) that power … remote-first team A builder’s mindset: you take ownership, seek clarity, and aren’t afraid to figure things out independently A love for clean, performant code and a drive to constantly make systems better What will make us extra happy? Hands-on experience or knowledge ...

forward-thinking fintech firm based in London is seeking an individual contributor in engineering. You will develop clean, maintainable code to support an ethical finance platform while collaborating closely with product teams. Ideal candidates will have strong experience in JavaScript/TypeScript and Java/Kotlin, with ...

improvement. Key Responsibilities Salesforce Development Design and deliver scalable, high-performance Salesforce solutions. Build and configure functionality across Service Cloud and Marketing Cloud. Write clean Apex code and use declarative tools to meet business needs. Complete unit testing, documentation, and support system testing. Collaboration & Stakeholder Engagement Work with ...

applications. You will work closely with designers and back-end developers to create seamless user experiences using modern front-end technologies. You will write clean, maintainable code and ensure optimal performance across all devices. Key responsibilities: - Develop new user-facing features using React, Vue, or Angular - Build reusable … code and libraries for future use - Ensure the technical feasibility of UI/UX designs - Optimize applications for maximum speed and scalability - Collaborate with back-end developers and web designers - Implement responsive design principles - Conduct code reviews and mentor junior developers - Stay up-to-date with emerging front ...

personal data — in a way that respects user privacy and meets GDPR requirements • Contributing to technical decisions around stack, infrastructure, architecture, and deployment • Writing clean, tested, maintainable code • Iterating quickly based on real user feedback ⸻ What We Are Looking For • Proven experience with server-side languages — C#, Python … Entity Framework or similar ORM tools • Working knowledge of GDPR-compliant frameworks and data protection principles • Experience with Agile development environments • Someone who writes code they would be happy to come back to in six months Nice to have: experience in proptech, fintech, or consumer-facing platforms ⸻ Why Join ...

working on Building, optimising, and deploying price optimization machine learning ETL/ELT pipelines and data processes. Improving and adapting our data infrastructure and code base as we scale – including collaboration, security, scalability, efficiency, automation and auditability. Interacting with new clients on client pitches, and working with existing clients … will reflect experience. Proficiency in Python (pandas, numpy) Professional experience with Azure cloud services (AWS/GCP acceptable with deeper experience) Strong experience deploying clean, maintainable, production-level code. Basic understanding of DAG (Directed Acyclic Graphs) and their role in pipeline orchestration It would be nice if you could ...

performance. Collaborate with cross-functional teams, including PO, PDEF, QA, DevOps, and product stakeholders, to define, design, and deliver new features. Refactor legacy code and participate in technical debt reduction. Write clean, scalable, and maintainable code with proper documentation. Participate in code reviews and mentor junior ...

high-impact environment where speed, quality, and innovation matter. The Role The successful candidate will: Design, build, and maintain backend services in Python , writing clean, maintainable, production-grade code. Develop and deploy AI-powered features using Azure-native services including Azure AI Foundry, Azure AI Search, Cosmos DB, Docker … within tight development cycles — branch, commit, test, and ship via GitHub-based CI/CD pipelines. Write comprehensive unit tests and contribute to high code quality standards. Collaborate within agile sprints and contribute to technical design decisions. The Ideal Candidate Our client is seeking someone with: Strong commercial experience ...

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 … 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 ...

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 … 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 ...

features and system improvements. Review pull requests and provide constructive technical feedback to peers. Implement end-to-end features: architecture → coding → testing → deployment. Ensure code quality through clean, maintainable, well-documented code and automated tests.Contribute to engineering best practices, tooling, and system reliability improvements. Requirements Technical Skills ...

ensuring scalability, performance, and security across systems. What You’ll Be Doing Software development: design and implement complex, scalable, and secure applications. Write clean, efficient, and maintainable code in Java, Python, and other high‐level languages. Provide architectural guidance and ensure adherence to best practices. Optimize system performance … evaluate new tools and methodologies for adoption. Work closely with product managers, QA, and other developers to deliver high‐quality solutions. Participate in code reviews and contribute to technical documentation. Advocate for automation, testing, and continuous integration practices. Ensure compliance with security and regulatory standards. What You’ll Bring ...

third-party and contract engineers Contribute to engineering communities and help define best practices Drive adoption of global standards across security, performance, and code quality Operational Performance Troubleshoot and resolve critical data issues with urgency Deliver long-term fixes rather than short-term patches wherever possible Optimise pipelines …/BigQuery Proven ability to work across both legacy systems and modern cloud environments Key Skills DevOps mindset you automate wherever possible and write clean, testable code Pragmatic approach focused on delivering value without overengineering Strong communicator confident engaging with stakeholders across the business Why Apply? High-impact ...

third-party and contract engineers Contribute to engineering communities and help define best practices Drive adoption of global standards across security, performance, and code quality Operational Performance Troubleshoot and resolve critical data issues with urgency Deliver long-term fixes rather than short-term patches wherever possible Optimise pipelines …/BigQuery Proven ability to work across both legacy systems and modern cloud environments Key Skills DevOps mindset you automate wherever possible and write clean, testable code Pragmatic approach focused on delivering value without overengineering Strong communicator confident engaging with stakeholders across the business Why Apply? High-impact ...