19 of 19 Permanent Clean Code Jobs in Central London

needed. * Manage end-to-end mobile app release processes for App Store and Google Play. * Collaborate with cross-functional teams to deliver technical solutions aligned with business objectives. * Conduct code reviews, debugging, and participate in design forums, sprint planning, and retrospectives. * Work closely with security, operations, and compliance teams to meet regulatory and security standards. What They Are Looking … design. * Familiarity with Redux, RESTful APIs, relational databases (MSSQL), and version control tools such as GitHub. * Experience with automated testing frameworks such as Mocha or Jest. * Strong understanding of clean code practices, domain-driven design, and modern architecture principles. * Familiarity with Scrum delivery frameworks and Agile environments. * Excellent problem-solving, communication, and collaboration skills. * Passionate about delivering outstanding … React Native Developer opportunity. Interviews are taking place shortly! Keywords: Senior React Native Developer, Mobile App Development, UI/UX, iOS, Android, Redux, RESTful APIs, GitHub, MSSQL, Mocha, Jest, Clean Code, Agile, FinTech, Hybrid Working, London, App Store, Google Play, Mobile App Launch Established in Didsbury, Connexa Technology Ltd is becoming one of the UK's fastest growing More ❯

agile development environment. Strong knowledge on creation of data models based on the provided requirements. Strong knowledge of dependency management tools such as Maven/Gradle. Strong knowledge on Clean Architecture and Clean code practices Good troubleshooting and problem-solving skills with excellent understanding of system development methodologies, techniques, and tools. Responsible for leading the delivery teams More ❯

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 ❯

Design Patters, Algorithms You have strong C++ 14/17 development skills (on Linux or Windows) You have a good understanding of Test Driven Development/TDD and strong code review skills You're focussed on delivering clean code into production You have a good understanding of FX financial markets with experience in a finance environment You More ❯

the next generation of its front-office trading, risk, and data infrastructure. This is a unique opportunity to work in a modern, high-performance tech environment shipping production-grade code daily, solving real business problems, and collaborating directly with end users across trading, strats, and operations. The Opportunity: You’ll join a multidisciplinary engineering team building services and tools … Rust and Python Develop and optimise data pipelines, databases, and schemas (Postgres, ClickHouse) Build intuitive, real-time UIs using Python and React Translate complex financial logic into accurate, testable code Collaborate with business teams to define requirements and deliver solutions fast Contribute to service design, infrastructure automation (Terraform, Flux), and CI/CD Write unit and integration tests with … risk (bonus, not required) Experience with cloud infrastructure (especially AWS, Kubernetes) is a plus Fast learner, pragmatic problem-solver, and clear communicator Passion for testable, maintainable, and well-structured code Mindset You take pride in what you ship and enjoy doing so frequently You write accurate, well-tested code and care about correctness You’re energised by working 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 ❯

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 ❯

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 ❯

prototype fast, ship often, and embrace hands-on problem-solving; maturing projects as they become foundational parts of the company's infrastructure, whether that means writing resilient, test-driven code, designing for observability, or building systems that can scale and recover gracefully. You’ll have the space to experiment and the responsibility to stabilise when it counts. You’ll … on context. What we’re looking for: -Experience: 3+ years in data engineering or backend development, ideally in a fast-paced or product-led environment. -Python skills: Confident writing clean, modular, and testable code - you’ve likely worked with pytest and TDD where it makes sense. -Cloud Fluency: Solid experience with AWS (especially Lambda, Kinesis, SQS, EventBridge) and More ❯

systems and databases Build APIs that connect with modern LLMs (OpenAI, Claude, open-source models) Own and evolve infrastructure (some DevOps responsibilities included) Contribute to architecture decisions and write clean, maintainable code Collaborate across disciplines to ship impactful features quickly Help shape how healthcare tech can be safe, fast, and deeply human What Were Looking For 5+ years More ❯

with flexibility to work from home the other two. About you: You have strong backend Java development skills including Spring, Spring Boot, microservices You take in pride in producing clean, high quality code You also have an appreciation of UI development with TypeScript/React You are collaborative and pragmatic, able to take ownership and work with others 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 ❯

income, FX, trade lifecycle Key Responsibilities: Collaborate with stakeholders to gather and refine technical and business requirements. Analyse software processes and data to design and implement effective solutions. Develop clean, secure, and scalable code in line with organisational standards. Troubleshoot, debug, and resolve software issues. Create and execute test plans, document results, and ensure high-quality releases. Deerfoot 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 ❯

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 ❯