1 to 25 of 34 Clean Code Jobs in Cardiff

Clear opportunities to grow your career, whether you want to lead architecture, mentor others, or build cutting-edge products. A collaborative team that values clean code, testing, and continuous improvement not just in theory, but in practice. An employer that actively invests in new technology and encourages engineers … theyre looking for: Solid hands-on Java development experience. (Spring, Hibernate, REST APIs, and all the good stuff.) Passion for good engineering practices: TDD, clean code, CI/CD pipelines, etc. Strong problem-solving skills youll be working on large, complex systems, so a love for digging into More ❯

backend and either React or Angular on the frontend. This role requires a hands-on developer with strong architectural insight and a passion for clean, maintainable code. Key Responsibilities: Design, develop, and deploy full-stack solutions using modern JavaScript frameworks. Collaborate with cross-functional teams including product, design, and More ❯

with cross-functional teams to deliver real-world impact. Key Responsibilities Lead the development and architecture of secure, scalable software products Write production-grade code using .NET/C#, TypeScript, and modern JavaScript frameworks Build cloud-native solutions across AWS/Azure/GCP Mentor and support engineers, fostering … a high-performance team culture Drive continuous improvement and adopt emerging technologies Champion clean code, testing, DevSecOps, and Agile delivery principles Ideal Candidate Profile 8+ years of software engineering experience Strong proficiency in C#, TypeScript Commercial experience with React or Angular Proven track record building cloud-native applications … learning-driven engineering environment Why Apply? This is a unique chance to take the lead on major software products while staying close to the code, all within a culture that values engineering craft and autonomy. If you're looking for that rare blend of seniority and hands-on work More ❯

Senior Software Developer - Hybrid - Cardiff - £70,000 I'm looking for a Senior Software Developer who's just as comfortable writing clean, secure code as they are leading a small team of engineers and QAs. This is a hands-on role with plenty of autonomy and real influence … ll also help grow and support your team through regular feedback, coaching, and performance reviews. What you'll be doing: Leading by example with clean, scalable code Guiding and mentoring devs and QAs Contributing to technical design and architecture decisions Championing agile practices, secure coding, and continuous improvement More ❯

everyone works together? How about working on greenfield projects daily with a team that will take you places? The Role You'll be writing clean code, whilst contributing to the companies overall architecture. Working a like minded team of developers who are the best at what they do More ❯

of robust front-end and full-stack applications using TypeScript, ensuring scalability, maintainability, and performance. Collaborate with cross-functional teams to translate requirements into clean, efficient code. Mentor and coach junior developers, fostering a culture of continuous growth and knowledge sharing. Contribute to architectural decisions that prioritise scalability, security More ❯

using React and C# Collaborate closely with product managers and designers to deliver intuitive user interfaces Optimise applications for speed and scalability Participate in code reviews, mentoring, and architecture discussions Work with QA and DevOps to ensure smooth deployment processes What Were Looking For: 5+ years of commercial development … efficient SQL queries Familiarity with cloud environments (Azure/AWS), containerisation (Docker), and CI/CD Excellent problem-solving skills and a passion for clean, maintainable code Skills: rEACT Typescript More ❯

experience, platform reliability, and scalable architecture. Were hiring for Principal and Staff-level Engineers with deep Python and AWS expertise engineers who think beyond code to shape systems, influence decisions, and mentor others. You'll be instrumental in evolving a platform that digitises complex workflows and surfaces operational insights … APIs using Python (Django or Flask). Designing distributed systems on AWS, with performance, resilience, and scalability top of mind. Leading by example through clean code, mentoring, and clear technical direction. Owning CI/CD workflows, IaC, observability, and release automation in a DevOps-native culture. Working across … with flexible hours 36 days total annual leave Private medical, dental, and vision insurance Flat structure, no red tape, and full autonomy to ship code and influence direction 10% ( company ) , 10% ( individual ) pension Interested? Connect with Ryan Quinn on or submit your CV via the link. Skills: Python AWS More ❯

everyone works together? How about working on greenfield projects daily with a team that will take you places? The Role You'll be writing clean code, whilst contributing to the companies overall architecture. Working a like minded team of developers who are the best at what they do More ❯

within a product team to design, build, test, and deploy front-end features. Take full ownership of your work, from inception to deployment. Write clean, maintainable code and conduct code reviews. Identify and resolve technical challenges, ensuring optimal performance and scalability. Mentor junior engineers and contribute to More ❯

developers, product managers, ML engineers, and designers. Skills & Experience required: Build high-load applications from scratch. Deep knowledge of AWS. Architecture planning Estimation skills Clean code practices. Architecture scalability and simplicity. CI/CD automation pipelines. Proficiency with Terraform and Docker. Ability in resolving monolith vs. microservices. Experience More ❯

or React Familiarity with cloud-native and serverless architectures is highly desirable (Azure/GCP/AWS) Understanding of developer tools (IntelliJ, Git) and clean code principles What's It Like to Work There? The company offers a vibrant and supportive work environment where team culture is a More ❯

everyone works together? How about working on greenfield projects daily with a team that will take you places? The Role You'll be writing clean code, whilst contributing to the companies overall architecture. Working a like minded team of developers who are the best at what they do More ❯

Java in an event-driven environment. Lead the move from legacy monoliths to a modern, scalable, cloud-ready architecture. Drive best practices across engineering clean code, efficient design, and continuous improvement are key here. Mentor and coach developers across the team, championing quality and innovation. Work closely with More ❯

for good: Build software that positively impacts lives across healthcare, education, and social sectors. Modern stack: .NET Core, React, Azure, CI/CD pipelines, clean architecture. People-first culture: Friendly team, flexible working, and a genuine focus on personal growth and wellbeing. Room to grow: Whether you're early … progress. What we're looking for: Experience (or strong interest) in .NET Core, C#, and Bonus points for experience with Azure, REST APIs, and Clean Architecture Passion for writing clean, maintainable code and working in a collaborative environment Curiosity, care, and a desire to contribute to something More ❯

where everyone works together? How about working on greenfield projects daily with a team that will take you places? The Role Youll be writing clean code, whilst contributing to the companies overall architecture. Working a like minded team of developers who are the best at what they do More ❯

using .NET and React. Build APIs, backend services, and responsive front-end applications. Collaborate with cross-functional teams to deliver high-quality solutions. Write clean, maintainable code and resolve technical challenges. Requirements: Experience with .NET (C# preferred) and React. Strong understanding of relational databases (e.g., SQL Server). More ❯

end-to-end features across iOS and Android Champion performance, maintainability and best practices across the mobile stack Mentor and guide fellow engineers, conducting code reviews and sharing deep technical insight Partner closely with Product and Design to translate complex requirements into elegant mobile experiences Introduce innovation and challenge … Excellent understanding of mobile architecture, state management and native performance optimisations Proven ability to lead projects and mentor engineers, while staying hands-on with code Strong UX instincts, with the ability to collaborate with Product and Design teams Passion for clean, scalable code and driving engineering excellence More ❯

bonus and excellent benefits We're on the hunt for Full Stack Software Developers to join a company on a mission. The goal? Providing clean, safe drinking water to millions around the world! You'll be working with a talented, remote-first team building the tech that makes this … No need to worry about location, as long as you're UK-based and can work without sponsorship. If you're passionate about writing clean, efficient, and secure code, and love automating everything from testing to deployment, we want you! We're all about best practices, improving tech … strategies, and keeping things organized with reusable code, standardized systems, and smooth deployment processes. What you'll bring: 5+ years in commercial software development Expertise with TypeScript, Node.js and React Experience with Event-Driven Architecture (microservices) Experience working with C# AWS Lambda Unit testing Bonus points for knowledge of More ❯

HTML/CSS, JavaScript (jQuery), and SQL Proficient with Git for version control Strong understanding of UX principles and responsive design Demonstrable experience delivering clean, maintainable code Desirable Skills: Familiarity with Twig templates or Laravel Experience with frontend JS frameworks (e.g. Vue.js) API design and integration App development More ❯

is a great opportunity who is looking to move into a management/mentorship role. What the Senior Software Developer will be doing Design, code, and debug programs or scripts of medium-to-high complexity, ensuring adherence to modern standards and best practices. Identify and resolve production issues, control … solutions in collaboration with others. Proficiency in developing software, including designing new systems and iterating existing services, while following best-practice guidelines and writing clean, maintainable code. Provide ongoing support for applications and services, escalating issues to the Lead Developer as necessary. Technical Experience Experience with Microsoft Azure or More ❯

is a great opportunity who is looking to move into a management/mentorship role. What the Senior Software Developer will be doing Design, code, and debug programs or scripts of medium-to-high complexity, ensuring adherence to modern standards and best practices. Identify and resolve production issues, control … solutions in collaboration with others. Proficiency in developing software, including designing new systems and iterating existing services, while following best-practice guidelines and writing clean, maintainable code. Provide ongoing support for applications and services, escalating issues to the Lead Developer as necessary. Technical Experience Experience with Microsoft Azure or More ❯

would be desirable but not essential. About the role; You will develop, maintain, and optimize web applications using .NET (C#), React, and SQL Write clean, scalable, and efficient code following best practices You will stay up to date with industry trends and emerging technologies About you; You will More ❯

software Experience with Unix environments Demonstrated client experience and track record developing software solutions Good knowledge and experience with SDLC, including design, architecture, developing code, testing, and deployment Experience with tick architecture, large scale data capture and data analysis Ability to write clean and efficient code Experience More ❯

gather feedback and improve user interface designs. Problem-Solving: Debug and resolve technical challenges efficiently to maintain the quality and performance of UI systems. Code Maintenance: Write clean, maintainable, and optimized code for UI features, screens, menus, and HUDs. WHAT WE VALUE: Game Development Experience: 3+ years More ❯