1 to 25 of 685 Clean Code Jobs in the UK

Just Growing – It’s Exploding This is your chance to join the foundational engineering team building the future of AI — and do it in a culture obsessed with innovation, clean code, and real impact. This is not a maintenance role. You’ll be architecting new features, solving deep performance and scalability problems, and working alongside some of the … Working with Docker, Kubernetes, and cloud infrastructure (AWS) Developing within a microservices architecture Solving complex problems in data flow, latency, and scale Contributing to a culture of fast iteration, clean code, and continuous learning 🧰 Tech Stack: Python (FastAPI, Flask) TypeScript, Node.js, React PostgreSQL, Redis, Kafka Docker, Kubernetes, AWS CI/CD with GitHub Actions, Terraform 💼 What You’ll … development Strong skills in Python, with exposure to JavaScript/TypeScript Experience with API design, microservices, and cloud deployments Solid understanding of software engineering best practices A passion for clean, maintainable code and performance Experience working in high-growth, product-driven teams Bonus: Experience in data-heavy environments or SC Clearance 🎁 Package & Perks: £55,000 – £100,000 base More ❯

Just Growing – It’s Exploding This is your chance to join the foundational engineering team building the future of AI — and do it in a culture obsessed with innovation, clean code, and real impact. This is not a maintenance role. You’ll be architecting new features, solving deep performance and scalability problems, and working alongside some of the … Working with Docker, Kubernetes, and cloud infrastructure (AWS) Developing within a microservices architecture Solving complex problems in data flow, latency, and scale Contributing to a culture of fast iteration, clean code, and continuous learning 🧰 Tech Stack: Python (FastAPI, Flask) TypeScript, Node.js, React PostgreSQL, Redis, Kafka Docker, Kubernetes, AWS CI/CD with GitHub Actions, Terraform 💼 What You’ll … development Strong skills in Python, with exposure to JavaScript/TypeScript Experience with API design, microservices, and cloud deployments Solid understanding of software engineering best practices A passion for clean, maintainable code and performance Experience working in high-growth, product-driven teams Bonus: Experience in data-heavy environments or SC Clearance 🎁 Package & Perks: £55,000 – £100,000 base More ❯

offers the opportunity to work on modern, scalable backend services and APIs that support complex, high-performing systems used across the UK. You'll join a collaborative environment where clean code, Test Driven Development and strong engineering principles are at the core of delivery. What you'll do Design, develop and maintain backend applications and RESTful APIs using … Java and Spring Boot Follow Test Driven Development practices to ensure robust and maintainable code Containerise applications using Docker and work within cloud-based environments Collaborate closely with Frontend, QA and DevOps teams to deliver complete solutions Participate in code reviews, design discussions and agile ceremonies Optimise application performance, scalability and security What you'll bring Strong hands … Knowledge of RESTful API design, JSON and Web Services Experience of Kafka and Dockerised development Background in Test Driven Development using tools such as JUnit or Mockito Understanding of clean code principles, SOLID design and modern engineering practices Familiarity with Git and build tools such as Maven or Gradle Nice to have Experience with React, JavaScript, HTML and More ❯

AWS – paying up to £650/day (Inside IR35) – Hybrid (2x a week - London) – 6 month contract Our client is seeking a Senior Java Developer who is passionate about clean code, cloud-native systems, and building technology that makes a real impact. This is a unique opportunity to work in an agile, high-ownership engineering culture. What You … for a high-availability platform Deploy and manage services in AWS with Kubernetes (EKS) Design, implement, and own features end-to-end from discovery to production support Advocate for clean code, automated testing, and CI/CD best practices Mentor other engineers and contribute to a culture of knowledge-sharing Collaborate with cross-functional teams including product, design More ❯

AWS – paying up to £650/day (Inside IR35) – Hybrid (2x a week - London) – 6 month contract Our client is seeking a Senior Java Developer who is passionate about clean code, cloud-native systems, and building technology that makes a real impact. This is a unique opportunity to work in an agile, high-ownership engineering culture. What You … for a high-availability platform Deploy and manage services in AWS with Kubernetes (EKS) Design, implement, and own features end-to-end from discovery to production support Advocate for clean code, automated testing, and CI/CD best practices Mentor other engineers and contribute to a culture of knowledge-sharing Collaborate with cross-functional teams including product, design More ❯

applications. You’ll work across Python, Node.js, React, and MongoDB while contributing to microservices, cloud deployments, CI/CD, and production reliability. If you love solving complex problems, shipping clean code, and collaborating with cross-functional teams—this role is for you. 🔧 What You’ll Do Design, build, and maintain end-to-end web applications using Python, Node.js … and engineering teams to turn business needs into technical solutions. Build and integrate RESTful APIs and manage backend-frontend data flows. Implement CI/CD pipelines , automated testing, and code reviews to ensure quality and consistency. Support cloud deployments on AWS , focusing on scalability, reliability, and performance. Monitor production systems, troubleshoot issues, and contribute to continuous improvements. 💼 Mandatory Skills … best practices. Proficiency with CI/CD , Docker, and Git workflows. Strong experience with RESTful API design, consumption, and security. Solid grasp of software engineering principles, testing methodologies, and clean code practices. ✨ Nice-To-Have Skills Experience with AWS (Lambda, ECS, S3, CloudWatch). Familiarity with Redis or queueing systems (SQS). Exposure to frontend optimization, responsive UI More ❯

applications. You’ll work across Python, Node.js, React, and MongoDB while contributing to microservices, cloud deployments, CI/CD, and production reliability. If you love solving complex problems, shipping clean code, and collaborating with cross-functional teams—this role is for you. 🔧 What You’ll Do Design, build, and maintain end-to-end web applications using Python, Node.js … and engineering teams to turn business needs into technical solutions. Build and integrate RESTful APIs and manage backend-frontend data flows. Implement CI/CD pipelines , automated testing, and code reviews to ensure quality and consistency. Support cloud deployments on AWS , focusing on scalability, reliability, and performance. Monitor production systems, troubleshoot issues, and contribute to continuous improvements. 💼 Mandatory Skills … best practices. Proficiency with CI/CD , Docker, and Git workflows. Strong experience with RESTful API design, consumption, and security. Solid grasp of software engineering principles, testing methodologies, and clean code practices. ✨ Nice-To-Have Skills Experience with AWS (Lambda, ECS, S3, CloudWatch). Familiarity with Redis or queueing systems (SQS). Exposure to frontend optimization, responsive UI More ❯

stages of the software development lifecycle—from analysis and design to coding, testing, and deployment. We are looking for a passionate and pragmatic engineer who is committed to writing clean, well-tested code and pushing the boundaries of what our team can achieve. If you are a curious problem-solver who enjoys working across the entire software stack … this is the perfect opportunity for you to grow your skills and make a real impact. Key responsibilities Develop high-quality, scalable code that adheres to SOLID principles and our solution architecture. Contribute to all stages of the software development lifecycle within an agile team, from feature conception to delivery. Write and maintain clean, well-documented code that meets both functional and non-functional requirements. Actively participate in code reviews, sharing knowledge and helping to improve team standards. Collaborate with team members to drive continuous improvement in our development processes and tools. Contribute to the design and implementation of new features, with a strong focus on security best practices. Proactively identify and communicate project risks More ❯

using React, TypeScript and C#. Develop scalable backend services and intuitive frontend interfaces - with a strong focus on performance, clarity, and resilience. Translate intricate business and operational logic into clean, modular code across the stack. Work closely with product, design, data, and infrastructure teams to ensure every feature is robust, observable, and production-ready. Collaborate on architecture, design … both frontend (React/TypeScript) and backend (C#). Solid foundation in SQL and data modelling; familiarity with data-heavy systems and RESTful APIs. Passion for modern software engineering: clean code, SOLID principles, design patterns, and continuous improvement. Interest in real-time systems, data visualisation, and turning raw data into business-critical insights. Familiarity with Azure or other … of engineering the systems that help prevent fuel shortages, reduce emissions, and ensure food and medicine reach the people who need them — this is your opportunity. You’ll write code that directly impacts global infrastructure, at a time when clarity, coordination, and speed are more critical than ever. More ❯

SaaS platform. Collaborating closely with other engineers, product managers, and designers to deliver high-quality code. Taking ownership of projects from concept to deployment in an AWS environment. Writing clean, maintainable code across the full stack (PHP/Laravel or Python + React/Vue.js). Contributing to system architecture, best practices, and continuous improvement. Working hybrid - just …/Laravel or Python . Frontend development experience with React or Vue.js . Solid understanding of SQL databases and relational design. Experience working in AWS environments. A passion for clean code, testing, and scalable architecture. A collaborative mindset - someone who thrives in a team setting. What's On Offer £55,000 - £65,000 depending on experience. Hybrid working More ❯

Software Engineer with strong expertise in .NET and AWS to join our client Key Responsibilities Design, develop, and maintain scalable, high-performance software solutions. Develop and manage Infrastructure as Code (IaC) using AWS CDK (Python) to automate deployment and cloud resource management. Drive code quality through automated testing , unit testing, and adherence to clean code principles. … processes, and configurations. Experience & Competencies Experience as a Senior .NET Engineer , ideally within financial services or a similarly complex domain. Strong hands-on experience with AWS and Infrastructure as Code , particularly AWS CDK in Python . Familiarity with Entity Framework (or similar ORM frameworks) and contract-first system design . Solid understanding of automated testing frameworks and unit testing More ❯

Software Engineer with strong expertise in .NET and AWS to join our client Key Responsibilities Design, develop, and maintain scalable, high-performance software solutions. Develop and manage Infrastructure as Code (IaC) using AWS CDK (Python) to automate deployment and cloud resource management. Drive code quality through automated testing , unit testing, and adherence to clean code principles. … processes, and configurations. Experience & Competencies Experience as a Senior .NET Engineer , ideally within financial services or a similarly complex domain. Strong hands-on experience with AWS and Infrastructure as Code , particularly AWS CDK in Python . Familiarity with Entity Framework (or similar ORM frameworks) and contract-first system design . Solid understanding of automated testing frameworks and unit testing More ❯

by millions. This is a modern environment where engineering standards matter — you’ll work with React, TypeScript, and Azure-based microservices in a product-led setup that values autonomy, clean code, and great UX. You’ll be joining a cross-functional team that blends speed and quality, shipping products that solve real customer problems at scale. Expect modern … Designing and building performant, scalable, and intuitive UIs using React and modern front-end tooling. Collaborating closely with engineers, designers, and product managers to deliver high-impact features. Writing clean, testable, maintainable code with a focus on performance and accessibility. Helping shape engineering standards, best practices, and architecture across multiple products. Working in a fast-moving Agile environment … with CI/CD, automated testing, and code reviews at the core. What We’re Looking For Deep expertise in React , JavaScript/TypeScript, and modern front-end frameworks. Experience working with RESTful APIs and building rich, data-driven interfaces. Knowledge of cloud environments (Azure or AWS) and CI/CD pipelines (GitHub Actions, Jenkins, etc.). Familiarity with More ❯

requirements. In this position you will play a key role in developing and maintaining a range of business-critical applications, websites and system integrations. If you like to write clean and maintainable code and you enjoy solving complex problems, I would like to hear from you immediately! The role is offered on a hybrid working basis, 3 days … area at short notice. In this role you will be responsible for: - Developing bespoke software and middleware solutions to support and help grow business operations. Deliver high-quality, secure code using modern and best practice approaches. Collaborating with stakeholders to translate business requirements into robust technical solutions. Troubleshooting and resolving issues across development environments. Mentoring more junior team members … with industry trends, frameworks and emerging technologies. We are looking to speak with collaborative, hands-on PHP Developers who enjoy working in a fast-paced environment. You MUST value clean code, modern development practices, and believe in sharing knowledge with others. You will be confident in leading discussions with technical and non-technical stakeholders, designing solutions to solve More ❯

Senior Java Developer to join our growing team. You’ll be instrumental in building robust, scalable backend systems using modern technologies and cloud platforms. If you’re passionate about clean code, distributed systems, and continuous delivery, we want to hear from you. What You’ll Do Design and build scalable backend services using Java and Spring Boot, with … CI/CD pipelines to ensure smooth, automated deployments and rapid iteration cycles Containerize applications using Docker and collaborate on orchestration strategies (Kubernetes experience is a plus) Maintain high code quality through rigorous testing, code reviews, and adherence to clean coding principles Collaborate cross-functionally with DevOps, QA, and Product teams to deliver end-to-end solutions More ❯

effort and enabling scale. Key Responsibilities Build and maintain internal systems such as job schedulers, monitoring stacks, and automation tools Improve reliability, repeatability, and self-service across infrastructure Write clean, efficient code (primarily Go, Python, Bash) Support traditional infrastructure such as servers, switches, and storage systems Participate in a shared on-call rota across the team Required Experience … networking protocols and hardware environments Understanding of low-latency or post-trade systems Why Apply? Work on the internal infrastructure that makes the firm run Tackle technical challenges across code, systems, and hardware High autonomy in an engineering-led environment Exposure to large-scale compute, low-latency trading systems, and incredibly talented dev teams No legacy drag, just clean code, fast iteration, and meaningful work Strict confidentiality applies – your profile is only shared with your permission. More ❯

effort and enabling scale. Key Responsibilities Build and maintain internal systems such as job schedulers, monitoring stacks, and automation tools Improve reliability, repeatability, and self-service across infrastructure Write clean, efficient code (primarily Go, Python, Bash) Support traditional infrastructure such as servers, switches, and storage systems Participate in a shared on-call rota across the team Required Experience … networking protocols and hardware environments Understanding of low-latency or post-trade systems Why Apply? Work on the internal infrastructure that makes the firm run Tackle technical challenges across code, systems, and hardware High autonomy in an engineering-led environment Exposure to large-scale compute, low-latency trading systems, and incredibly talented dev teams No legacy drag, just clean code, fast iteration, and meaningful work Strict confidentiality applies – your profile is only shared with your permission. More ❯

Are you a PHP developer with a passion for clean code, modern frameworks, and building scalable digital solutions? We’re a fast-growing technology business in West London seeking a Mid-Level Laravel Developer who also brings solid WordPress experience to the table What You’ll Be Doing • Building and maintaining robust web applications using Laravel • Supporting and … extending WordPress-based sites and plugins • Collaborating with designers, product managers, and other developers in an agile environment • Writing clean, testable, and maintainable code • Participating in code reviews and contributing to technical decisions What We’re Looking For • 2–4 years of commercial PHP development experience • Strong proficiency with Laravel • Solid understanding of WordPress architecture and custom More ❯

meaningful business domain. Contribute across the tech stack: You’ll work in React (JavaScript/TypeScript) on the frontend and Python (FastAPI, SQLAlchemy) on the backend, shipping production-ready code and user-facing features in addition to innovative ML work. Live on the cutting edge of AI tooling: You’ll help push the boundary of what’s feasible with … faster. Participate in a fast-paced iterative environment: Collaborate closely with design, product, and beyond to deliver and iterate on impressive features and prototypes at world-class pace. Keep code clean and well-tested: Maintain clean, efficient, and tested code with clear documentation for both peers and future reference. Review, refine, and grow: Actively participate in … do-whatever-it-takes attitude to deliver against important business goals that help the entire team win Pragmatic Best Practices: An overarching desire to build efficient, scalable, and maintainable code, while learning the tradeoffs between technical debt and delivery speed What we look for: We’re a great bunch but we have some "Euph" cultural non-negotiables. To do More ❯

meaningful business domain. Contribute across the tech stack: You’ll work in React (JavaScript/TypeScript) on the frontend and Python (FastAPI, SQLAlchemy) on the backend, shipping production-ready code and user-facing features in addition to innovative ML work. Live on the cutting edge of AI tooling: You’ll help push the boundary of what’s feasible with … faster. Participate in a fast-paced iterative environment: Collaborate closely with design, product, and beyond to deliver and iterate on impressive features and prototypes at world-class pace. Keep code clean and well-tested: Maintain clean, efficient, and tested code with clear documentation for both peers and future reference. Review, refine, and grow: Actively participate in … do-whatever-it-takes attitude to deliver against important business goals that help the entire team win Pragmatic Best Practices: An overarching desire to build efficient, scalable, and maintainable code, while learning the tradeoffs between technical debt and delivery speed What we look for: We’re a great bunch but we have some "Euph" cultural non-negotiables. To do More ❯

one of the UK’s most successful startups, built by top-tier engineers and developers from industry leading teams. We’re looking for a software engineer who enjoys writing clean, functional code and is genuinely passionate about real-world engineering not just building software, but helping change how things are designed and built. Tech Stack within the engineering … geometry, simulation, and data workflows Work closely with domain experts (engineers, designers) to translate complex physical problems into usable software features Follow functional programming practices to write testable, composable code Own features from idea to implementation to deployment Contribute to architectural decisions in a fast-moving, early-stage product Requirements Bachelor’s degree in Computer Science, Engineering, Physics, Mathematics … 2+ years of experience building web applications in a production environment Strong experience with Python and API frameworks (FastAPI, Flask, etc.) Comfort or interest in functional programming principles and clean code architecture A genuine interest in engineering and the physical world Ability to thrive in a startup or agile environment with autonomy and ownership Backend Software Engineer – Python More ❯

one of the UK’s most successful startups, built by top-tier engineers and developers from industry leading teams. We’re looking for a software engineer who enjoys writing clean, functional code and is genuinely passionate about real-world engineering not just building software, but helping change how things are designed and built. Tech Stack within the engineering … geometry, simulation, and data workflows Work closely with domain experts (engineers, designers) to translate complex physical problems into usable software features Follow functional programming practices to write testable, composable code Own features from idea to implementation to deployment Contribute to architectural decisions in a fast-moving, early-stage product Requirements Bachelor’s degree in Computer Science, Engineering, Physics, Mathematics … 2+ years of experience building web applications in a production environment Strong experience with Python and API frameworks (FastAPI, Flask, etc.) Comfort or interest in functional programming principles and clean code architecture A genuine interest in engineering and the physical world Ability to thrive in a startup or agile environment with autonomy and ownership Backend Software Engineer – Python More ❯

Are you a passionate developer who wants to use your skills for good? Join a purpose-driven software company where your code helps charities and non-profits thrive. About Us Barron McCann are recruiting for this role on behalf of our partners BMc Azurri. We’re not just another tech company - we’re a mission-first team building intuitive … empowers charitable organizations. From streamlining operations to boosting supporter engagement, our solutions help amplify the good these organizations do every day. If you’re driven by purpose and love clean code, we want to meet you. The Role As a Software Developer, you’ll be at the heart of our product development - designing, building, and maintaining applications that … every stage of the development lifecycle. What You’ll Do Develop and maintain applications using C# and the .NET framework Build responsive frontends with HTML, CSS, and JavaScript Write clean, maintainable, well-documented code Troubleshoot bugs and optimize performance Participate in code reviews and team discussions Help improve workflows and development best practices What You’ll Bring More ❯

Are you a passionate developer who wants to use your skills for good? Join a purpose-driven software company where your code helps charities and non-profits thrive. About Us Barron McCann are recruiting for this role on behalf of our partners BMc Azurri. We re not just another tech company - we re a mission-first team building intuitive … empowers charitable organizations. From streamlining operations to boosting supporter engagement, our solutions help amplify the good these organizations do every day. If you re driven by purpose and love clean code, we want to meet you. The Role As a Software Developer, you ll be at the heart of our product development - designing, building, and maintaining applications that … every stage of the development lifecycle. What You ll Do Develop and maintain applications using C# and the .NET framework Build responsive frontends with HTML, CSS, and JavaScript Write clean, maintainable, well-documented code Troubleshoot bugs and optimize performance Participate in code reviews and team discussions Help improve workflows and development best practices What You ll Bring More ❯

Are you a passionate developer who wants to use your skills for good? Join a purpose-driven software company where your code helps charities and non-profits thrive. About Us Barron McCann are recruiting for this role on behalf of our partners BMc Azurri. We’re not just another tech company - we’re a mission-first team building intuitive … empowers charitable organizations. From streamlining operations to boosting supporter engagement, our solutions help amplify the good these organizations do every day. If you’re driven by purpose and love clean code, we want to meet you. The Role As a Software Developer, you’ll be at the heart of our product development - designing, building, and maintaining applications that … every stage of the development lifecycle. What You’ll Do Develop and maintain applications using C# and the .NET framework Build responsive frontends with HTML, CSS, and JavaScript Write clean, maintainable, well-documented code Troubleshoot bugs and optimize performance Participate in code reviews and team discussions Help improve workflows and development best practices What You’ll Bring More ❯