15 of 15 Permanent Clean Code Jobs in the City of London

engineers and product leaders to build intuitive, high-performance tools for everything from stock tracking and shipping logistics to barcode integration and freight optimization. If you’re passionate about clean code, seamless user experiences, and innovating with cutting-edge AI tools, we want to hear from you. What you get to do Develop, implement, and maintain application features … within our ERP system, specifically for inventory, warehouse, and freight management. Collaborate with product managers and other engineers to define requirements and deliver high-quality solutions. Write clean, efficient, and well-documented code, utilizing AI-assisted development tools such as Windsurf, Augment, Claude Code, or similar platforms. Participate in code reviews and contribute to a collaborative … ensuring the stability and performance of our applications. Contribute to the continuous improvement of our development processes and tools, with a focus on leveraging AI to enhance productivity and code quality. What you need Bachelor's Degree in Computer Science or a related technical field, or equivalent practical experience. Proven experience in ERP development. Strong understanding and experience with More ❯

impact. As a Full Stack Developer, you'll be at the heart of building solutions that truly matter. You'll work alongside brilliant professionals who share your passion for clean code and outstanding user experiences. This isn't just about writing code – it's about crafting digital solutions that drive real business value for a prestigious FTSE250 … that users love Build secure, powerful server-side functions that solve complex business challenges Collaborate with designers and content creators to bring creative visions to life Optimise front-end code for peak performance, accessibility, and usability Champion software quality through rigorous testing and continuous improvement Drive innovation through Agile methodologies and collaborative problem-solving Maintain business-critical services and … a passion for excellence Demonstrates proficiency in C# and React Can customise and extend Umbraco CMS platforms to meet unique business requirements Takes pride in software craftsmanship and appreciates clean, well-designed codebases Has experience developing web-based applications with SQL databases Thrives in Agile environments, embracing ceremonies and iterative development Is well-versed in version control systems Possesses More ❯

and CI/CD processes by further developing GitHub Actions pipelines, Terraform definitions and observability integrations. Ensure quality & reliability: establish testing best practices (unit, integration, end-to-end), conduct code reviews and demand high quality standards Shape and refine our cloud-native platform to optimise performance, security and scalability Mentor & lead intermediate developers, imparting knowledge and fostering a culture … of clean code, peer review and shared ownership. Collaborate cross-functionally with product, operations and customer success to translate requirements into robust technical solutions. A good fit candidate will have: 5+ years hands-on as a full stack engineer in a SaaS environment Expert in React (hooks, state management, performance) Strong backend skills in Node.js (Express) and Python … automation) Solid understanding of Auth0 (or similar OAuth/OIDC) and secure authentication flows. Skilled with GitHub and GitHub Actions for automated CI/CD. Experience with infrastructure as code (ARM templates, Terraform, Bicep). Comfortable writing and maintaining tests (unit, integration, e2e). Excellent communication, problem-solving skills and ability to thrive in a fast-paced startup. Desirable More ❯

monitors with automated testing and evaluation tools. Support ML Ops development to track model health, detect drift/skew, and ensure model reliability in production. Focus on Scalability and Clean Code: Write clear, well-documented, and reusable code in line with engineering best practices. Help architect a scalable and resilient cloud-native platform (Azure) Maintain and improve More ❯

Your deep understanding of our systems and architecture will help shape smart solutions for new healthcare-focused projects. You ll be hands-on throughout the full development lifecycle: writing clean code, producing solid technical documentation, estimating effort for planning and quoting, and ensuring quality through peer reviews. Whether it's in-house or third-party work, you ll … Commercially aware with a strong understanding of business needs. • Holds a degree in Computer Science or equivalent professional experience. Ready to build tech that truly matters? At Ingenica, your code won t just sit in a backlog - it ll power real change in one of the world s most vital systems. You ll be part of a high-performing More ❯

across systems—developing features, building integrations, and enabling smooth deployment of complex software products into client environments. This is a hands-on engineering role focused on writing and maintaining code to support integration pipelines, APIs, and data flows—working as part of a collaborative, high-performing product and engineering team. Location: Central London – minimum 3 days per week onsite … maintain robust integration services and APIs to support customer onboarding and custom deployments Work closely with client-side technical teams to understand integration requirements and build tailored solutions Write clean, scalable code for backend services and integration layers Contribute to system design and architecture for scalable, maintainable integrations Support deployment and troubleshoot integration issues across staging and production More ❯

Key Responsibilities Assist in developing and implementing user-facing features for our web platform Work with senior engineers to translate UI/UX designs into responsive, accessible, and performant code Support integration of front-end components with backend services and APIs Test and debug code to ensure reliability across browsers and devices Contribute to code reviews and … maintain clean, reusable code standards Collaborate with designers, product managers, and other team members to deliver high-quality features on schedule Qualifications Bachelor’s degree in Computer Science, Software Engineering, or a related field (or equivalent experience) Proficiency in HTML5, CSS3, and JavaScript Familiarity with at least one modern front-end framework (React, Vue, or Angular preferred) Basic More ❯

markets, they build cutting-edge trading platforms that process vast volumes of data in real time. Their success is rooted in a deep understanding of finance, a commitment to clean, high-performance code and a relentless focus on staying ahead of the technological curve. This is a rare opportunity to join a company where tech is not a More ❯

systems background with proven Rust adoption) Deep understanding of distributed systems, multithreading, and performance optimisation Experience building cloud-native services on AWS, GCP, or similar Engineers who care about clean, efficient code and delivering real business value Bonus: background in retail tech, hospitality platforms, or consumer product engineering What you'll do: Build and maintain critical services and … APIs in Rust Help design and evolve our event-driven microservice ecosystem using Rust as a core language Write high-performance code to support large-scale data and transaction flows Contribute to team-wide standards and architectural best practices in our Rust codebase Work cross-functionally with product, data, and design to deliver impactful customer features If you're More ❯

commercial insurance market. Responsibilities Design, build, and deploy machine learning models that meet defined performance and business requirements Develop production-ready data science solutions and maintain high-quality, testable code using modern development practices Build and maintain APIs, data pipelines, and automated workflows to support model deployment, monitoring, and lifecycle management Analyse large and complex datasets, applying statistical and … and recommend iterative improvements Track and report key performance and operational metrics Contribute to best practices in version control, testing, CI/CD, and MLOps Share expertise through peer code reviews, documentation, and collaborative learning initiatives Stay current with emerging trends in AI/ML, particularly in areas such as LLMs, NLP, and intelligent document automation What skills and … learning concepts, algorithms, and evaluation metrics Practical knowledge of LLMs and NLP techniques; experience using frameworks like Hugging Face Transformers or OpenAI APIs Strong Python programming skills to write clean, modular code and experience with core data science libraries Familiarity with software development workflows, including Git, code reviews, and unit testing Comfortable working with both structured and More ❯

applications. Work extensively with the Play Framework to build RESTful APIs and web services. Collaborate with UX/UI designers and backend teams to integrate user-facing elements. Write clean, testable, and efficient code following best practices and coding standards. Ensure the system adheres to GDS and security standards. Participate in Agile ceremonies including stand-ups, sprint planning More ❯

best practices, with a focus on scalability and performance. Configure and develop solutions across Salesforce Service Cloud and Marketing Cloud Estimate Jira stories accurately and deliver robust, well-tested code in line with agreed timelines. Write clean, efficient Apex code and utilize Salesforce’s declarative tools to meet business needs. Conduct unit testing, document results, and contribute … to system testing cycles. Maintain and enhance CI/CD pipelines using tools such as GitHub, ensuring seamless code deployment and version control. Review and manage the impact of Salesforce seasonal releases, including system updates and regression testing. Essential Skills and Experience Significant hands-on experience as a Salesforce Developer in complex environments. Expertise in Apex, Lightning Web Components More ❯

inconsistencies or issues that need attention. Oversee CRA reporting creation, adjustments, and issue resolution to minimize the impact of incorrect information. Structured Coding & Issue Resolution Ensure the team writes clean, well-structured code to support data extraction, analysis, and reporting. Implement and enforce best practices in version control to maintain code quality and reproducibility. Encourage development of More ❯

accessible front-end applications in Angular. You'll collaborate closely with engineering, product, and design teams to transform business needs into seamless user experiences, while mentoring peers and championing clean, maintainable code. What You'll Do: Develop modular, testable Angular apps using Nx monorepos and shared libraries. Collaborate with Design (Figma/Storybook) and Product to ship intuitive, accessible … UIs. Investigate bugs, optimise performance, and ensure frontend resilience with monitoring. Lead by example with code reviews, architectural decisions, and mentoring. What You Bring: 8+ years in software development, 5+ with Angular (v12+). Strong in Angular Material, Nx, NGXS/NgRx, RxJS, Jest/Cypress/Playwright. Solid grasp of CSS, UI design, accessibility, and cross-browser compatibility. More ❯

help implement designs that support a seamless uni search experience, collaborate with back-end and design, and take real ownership of the app's future direction. You’ll write clean, scalable Swift/SwiftUI code, shape the architecture, and lay the foundations for a growing mobile function. This is ideal if you're ready to step into a More ❯