51 to 75 of 1,847 Clean Code Jobs in England

leading and trusted organisation, dedicated to promoting energy efficiency, low carbon transport and sustainable energy use. We aim to address the climate emergency and deliver the wider benefits of clean energy as we transition to net zero. At Energy Saving Trust we don’t just offer jobs – we offer careers. For our people, being part of the effort to … our mission of addressing the climate emergency. We are a collaborative and supportive team that values innovation, quality, and continuous learning. We embrace Agile practices and regularly participate in code reviews, stand-ups, and planning sessions to ensure transparency, team alignment, and shared ownership of deliverables. Working in Engineering at Energy Saving Trust means being part of something bigger … support national programmes and contribute to building platforms that help households, businesses, and communities transition to more sustainable energy practices. Success in this role means taking ownership of your code, contributing meaningfully to team practices, and helping deliver high-quality solutions that are robust, scalable, and aligned with strategic goals. What you’ll do Contribute to the design, architecture More ❯

architectures, Lambda functions, and cloud- application development Strong expertise in designing and maintaining scalable, high-performance web applications Deep understanding of Unit Testing frameworks and a commitment to writing clean, testable code If you’re a Senior Software Engineer (React, Node.js, AWS) who enjoys the idea of working in the automotive sector, please apply. #J-18808-Ljbffr More ❯

reporting their sustainability and carbon footprint data Build and improve key features across our web apps — from architecture to deployment Design, develop and maintain high-quality web UIs Ensure code quality, scalability, and maintainability Identify problems, propose solutions, and implement them end-to-end Collaborate on planning sprints, retros, and technical discussions Shape and nurture best engineering practices within … React Query , Redux , automated testing, and data visualization Bonus if you’ve worked with GitHub Actions, AWS, CDK, security, networking Is proactive, communicative, and enjoys solving complex problems with clean code Understands the full lifecycle of shipping software — from idea to deployment Speaks English comfortably Cares about sustainability and wants to build for impact Nice to have: LangChain More ❯

reporting their sustainability and carbon footprint data Build and improve key features across our web apps — from architecture to deployment Design, develop and maintain high-quality web UIs Ensure code quality, scalability, and maintainability Identify problems, propose solutions, and implement them end-to-end Collaborate on planning sprints, retros, and technical discussions Shape and nurture best engineering practices within … React Query , Redux , automated testing, and data visualization Bonus if you’ve worked with GitHub Actions, AWS, CDK, security, networking Is proactive, communicative, and enjoys solving complex problems with clean code Understands the full lifecycle of shipping software — from idea to deployment Speaks English comfortably Cares about sustainability and wants to build for impact Nice to have: LangChain More ❯

reporting their sustainability and carbon footprint data Build and improve key features across our web apps — from architecture to deployment Design, develop and maintain high-quality web UIs Ensure code quality, scalability, and maintainability Identify problems, propose solutions, and implement them end-to-end Collaborate on planning sprints, retros, and technical discussions Shape and nurture best engineering practices within … React Query , Redux , automated testing, and data visualization Bonus if you’ve worked with GitHub Actions, AWS, CDK, security, networking Is proactive, communicative, and enjoys solving complex problems with clean code Understands the full lifecycle of shipping software — from idea to deployment Speaks English comfortably Cares about sustainability and wants to build for impact Nice to have: LangChain More ❯

reporting their sustainability and carbon footprint data Build and improve key features across our web apps — from architecture to deployment Design, develop and maintain high-quality web UIs Ensure code quality, scalability, and maintainability Identify problems, propose solutions, and implement them end-to-end Collaborate on planning sprints, retros, and technical discussions Shape and nurture best engineering practices within … React Query , Redux , automated testing, and data visualization Bonus if you’ve worked with GitHub Actions, AWS, CDK, security, networking Is proactive, communicative, and enjoys solving complex problems with clean code Understands the full lifecycle of shipping software — from idea to deployment Speaks English comfortably Cares about sustainability and wants to build for impact Nice to have: LangChain More ❯

of data modelling , cloud infrastructure (preferably AWS), and modern APIs Experience with relational and NoSQL databases (e.g. PostgreSQL, MongoDB) Problem-solver who can reason about complex systems and deliver clean, scalable code Excellent communication skills and ability to collaborate across technical and non-technical teams Nice to Have Hands-on experience with agentic workflows or autonomous AI systems More ❯

streamline our processes. Your efforts will directly contribute to delivering exceptional, high-quality software that delights our customers. What you'll be doing: Collaborating with the team to develop clean, maintainable features and resolve end-to-end issues, utilising various approaches to ensure we deliver outstanding outcomes to our customers efficiently and effectively Contributing to the management of technical … resilient, and reliable Enhancing and refining testing methodologies within the team to ensure the highest quality customer experience, with a strong focus on security, usability, and accessibility Participating in code reviews, emphasising both functional and non-functional requirements such as performance, resiliency, maintainability, and security, to consistently produce high-quality, safe software for our customers Engaging in continuous improvement … development through relevant training in your role discipline Qualifications Who we're looking for: Proven hands-on experience in building microservices using Java and Spring Boot Solid understanding of clean code principles and architecture concepts such as SOLID and Onion Demonstrated expertise in crafting large-scale, well-optimised, and maintainable software features, ensuring robust and efficient solutions Good More ❯

that applications run smoothly and handle large-scare data efficiently. Implement and maintain monitoring of model drifts, data-quality alerts, scheduled r-training pipelines. Data Management and Preprocessing. Collect, clean and preprocess large datasets to facilitate analysis and model training. Implement data pipelines and ETL processes to ensure data availability and quality. Software Development. Write clean, efficient and … scalable code in Python. Utilize CI/CD practices for version control, testing and code review. Work closely with actuarial analysts, actuarial modelling team (AMT) and other colleagues in XPS to integrate data science findings into practical advice and strategies. Stay abreast of new trends and technologies in Data Science technologies and pensions to identify opportunities for innovation. More ❯

flow from and interact with. You will use all your previous experiences, skills and initiative to get things right from inception - which is to a naturally high standard of code, logic and engineering prowess in general. We want to build a platform that is led by engineering excellence paired with pragmatic approaches to solving problems and delivering Fintech-grade … ideally using ReactJS, JavaScript/TypeScript and NextJS in a full stack environment Experience with testing with tools such as Jest, React Testing Library, Playwright Natural ability to write clean and elegant code whilst being diligent and pragmatic in equal measure Experience utilising all the latest cloud, CI/CD, APIs, Security, etc. utilising the best public cloud More ❯

scale. What you'll be doing Delivering real-world solutions across mobile and cloud — from inception to deployment Collaborating daily with designers, developers, architects, and stakeholders Mentoring and reviewing code if you’re a senior team member Embedding best practices into everything you build Driving technical discussions and documenting engineering decisions Contributing to an open, curious, and forward-thinking … without caring about architecture, this isn’t your place. If you rely on tutorials instead of understanding what you're building, you'll struggle here. We expect MVVM, modularisation, clean code, and secure API integration as standard. Mobile doesn’t happen in a vacuum,you’ll work closely with designers, cloud engineers, and product owners. We need engineers More ❯

Working closely with clinical and product teams to design intuitive interfaces for healthcare professionals and patients Integrating with secure APIs and contributing to a component-based design system Writing clean, testable, well-documented code in a highly regulated environment Collaborating in an agile, cross-functional team to deliver impactful health solutions What We’re Looking For: 2+ years More ❯

or Node.js. Knowing REST, HTTP, and async patterns, plus tools like CloudWatch, will really help. You’ll enjoy working in Agile teams, using CI/CD and infrastructure-as-code tools. Security knowledge and clear communication with different teams are important. Most of all, you’ll be passionate about writing clean code and making things better every More ❯

programming languages, especially React and its ecosystem (including React Hooks, Context, and Redux for state management) Applying best practices for effective communication and problem-solving within the team Implementing clean, efficient code based on specifications and design patterns for React applications Collaborating closely with UX/UI designers to bring web designs to life Writing reusable components and … site’s frontend Documenting application changes and developing updates Providing technical guidance and support to other team members Sharing knowledge, and contributing to team meetings and troubleshooting Engaging in code reviews to ensure adherence to coding standards and to foster a culture of learning and improvement What you'll need Previous experience in developing user-facing web applications with … CSS3, Node.js) and CSS preprocessors (such as Sass or LESS) is also valuable Evidence of designing and implementing frontend components for successful web development projects Demonstrable ability to write clean, efficient, and accessible code in a team environment What you can expect from us Flexible hours and a hybrid working environment; work from home and our dog-friendly More ❯

who brings strong hands-on experience in backend development, with solid foundations in Python and object-oriented programming. You’ll be someone who enjoys solving complex technical problems, writing clean and maintainable code, and working on systems at scale. This role focuses on general programming competence over framework-specific knowledge and is ideal for engineers who thrive in … building reliable systems and contributing to architectural decisions. What you will be doing Develop, test, and maintain Python code for a variety of applications. Analyse, troubleshoot, and solve complex programming problems. Collaborate with cross-functional teams to gather requirements and deliver well-structured solutions. Write clear, concise, and well-documented code that adheres to industry best practices. Contribute … to code reviews, offering feedback to ensure code quality across the team. Continuously learn and adapt to new technologies and development practices. About you You have strong Python skills (or significant backend experience in another language and are keen to work in Python) and a proven track record of building and maintaining backend systems Strong understanding of Python More ❯

projects. You won’t be involved in client-facing work. Instead, you’ll focus entirely on high-quality software delivery, surrounded by like-minded engineers who are passionate about clean code, scalable systems, and technical excellence. Key Responsibilities: Develop high-quality software using C# and .NET technologies Collaborate within agile teams to build secure, scalable systems for government … This role is ideal for experienced developers who want to focus on real engineering challenges—without the distractions of consulting or sales. If you're looking to write great code, grow your skills, and be part of a modern and ambitious team, apply now. Seniority level Seniority level Mid-Senior level Employment type Employment type Full-time Job function More ❯

software deliverables - Automate unit, integration and acceptance testing Required qualifications, capabilities, and skills : - Proficient in Java 11+/Spring Boot ecosystem, including automated unit/integration testing - Respect for clean coding, best practices and Scrum Preferred qualifications, capabilities, and skills : - Practical Experience with React JS, including automated unit/integration testing will be a plus - Knowledge of UX Design More ❯

the go-to expert for all things UI, working at the heart of a team that’s scaling fast and building for the future. If you're passionate about clean code, slick interfaces, and driving innovation, this one’s for you. Why this role stands out: Own the UI – You’ll shape internal libraries/tools/design … need: 6+ years of frontend experience with deep expertise in React and TypeScript Strong knowledge of JS component libraries, and modern frontend tooling - Next.js is a plus! Passion for clean, scalable code and a strong testing culture Experience working with design systems and performance optimization Bonus: Exposure to Node.js, monorepos, or open-source contributions BSc in Computer Science More ❯

no overtime culture. Be part of something big – your work directly supports a leader trusted by millions. Supportive, knowledge-sharing team – collaborate with experienced engineers who are passionate about clean code, best practices, and continuous learning. Modern tools & technologies – develop enterprise-scale solutions in a tech-driven environment. Your responsibilities Develop and maintain mobile applications using React Native … share knowledge, and express ideas clearly. Solution-oriented and creative – you tackle challenges with practical, innovative solutions. Quality-driven with a continuous improvement mindset – you take pride in delivering clean, secure, and maintainable code while seeking ways to improve. Eager to learn and adapt – you embrace new ideas and grow with your team. Comfortable in Agile environments – you More ❯

AWS cloud environment Automating ??????????everything - CI/CD pipelines, monitoring, infrastructure provisioning Collaborating ??????????with developers and other engineers to streamline deployments and ??????????workflows Managing ??????????AWS services Championing ??????????Infrastructure as Code (IaC), observability, and DevSecOps principles Strong ??????????experience with AWS services and hands-on Terraform ????????scripting Deep ??????????understanding of DevOps culture, CI/CD pipelines, and container ??????????technologies (Docker, Kubernetes … a plus) Solid ??????????grasp of cloud security, networking, and performance tuning A ??????????passion for clean code, collaboration, and continuous learning Active SC Clearance Required** Next Steps If you are interested in this opportunity, hold active SC Clearance, and would like to learn more, please apply with your up to date CV and I will endeavour to get back More ❯

bottlenecks/challenges in the current development processes and designing innovative solutions to address them. You will also build and implement tools & automation strategies designed to streamline workflows, enhance code quality, and reduce time to deployment. You’ll be expected to demonstrate a blend of technical expertise, a passion for efficiency, and an entrepreneurial mindset. In return, you’ll … enhance developer workflows Proficiency in relevant automation technologies, e.g. Python, Jenkins, Git Solid programming skills in C#, C++, C and Python Proven ability to deliver scalable, reliable, high quality clean code Keen eye for identifying areas of improvement and championing changes to address them Enthusiastic to learn & apply new technologies and methodologies Incredible salary + profit-sharing structure More ❯

object-oriented programming. What we’re looking for: 4+ years of professional development experience. At least 2 years in a MERN stack environment. Monorepo experience is a strong preference. Clean code advocate with unit testing experience. What you’ll do: Build and maintain scalable backend services. Contribute to an Agile team and collaborate across departments. Triage and resolve More ❯

Providing direction within the scrum team Liaise with the engineering lead Be able to help the scrum team decompose user requests and key results into epics and stories. Writing clean, secure code following a test-driven approach Create code that is open by default and easy for others to reuse Effectively document all work using required standards More ❯

across the SDLC from design and architecture through to implementation and delivery. This is a hands-on engineering role with real autonomy, working in a fast-paced environment where clean, scalable code is valued. The ideal candidate will have strong experience with Java (Java 17), Kafka, and building modern microservices using Spring Boot. Financial services experience is not More ❯

across the business to drive the direction of mobile development and put the long-term interests of our customers at the heart of key decisions. You’ll Also Develop clean, elegant, and reusable code that is well tested and easy to maintain and extend Collaborate across our mobile chapter to uphold standards and best practices Support other engineers More ❯