1 to 25 of 775 Permanent Clean Code Jobs in the UK

Sonar solves the trillion-dollar challenge of bad code. Sonar equips organizations to achieve and sustain a Clean Code state by empowering developers to write consistent, intentional, adaptable, and responsible code. Clean Code produces software that is maintainable, reliable, and secure, allowing development teams to spend … less time fixing issues and more time innovating. With Sonar, and by employing the company's Clean as You Code methodology, organizations minimize risk, reduce technical debt, increase productivity, and derive more value from their software in a predictable and sustainable way. Sonar's open-source and commercial … programming languages, frameworks, and infrastructure technologies. Trusted by more than 500,000 organizations and used by more than 7 million developers globally to clean more than half a trillion lines of code, Sonar is integral to delivering better software. The impact you will have The Sonar Solutions Engineering More ❯

Sonar solves the trillion-dollar challenge of bad code. Sonar equips organizations to achieve and sustain a Clean Code state by empowering developers to write consistent, intentional, adaptable, and responsible code. Clean Code produces software that is maintainable, reliable, and secure, allowing development teams to spend … less time fixing issues and more time innovating. With Sonar, and by employing the company's Clean as You Code methodology, organizations minimize risk, reduce technical debt, increase productivity, and derive more value from their software in a predictable and sustainable way. Sonar's open-source and commercial … programming languages, frameworks, and infrastructure technologies. Trusted by more than 500,000 organizations and used by more than 7 million developers globally to clean more than half a trillion lines of code, Sonar is integral to delivering better software. The impact you will have The Sonar Solutions Engineering More ❯

Frontend Engineer – Career Coaching Meets Clean Code 💰 £50-70k DOE 💼 Full-time | Permanent 📍 London Hybrid (1 in the office a week) We’re recruiting for a fast-growing ed-tech startup on a mission to make career coaching and mentoring accessible to everyone at work - not just … of creating beautiful, accessible, and fast experiences for real users. We work with React , React Native , and TypeScript , and we care a lot about clean code, performance, and design details. 🛠 What You’ll Be Doing Build beautiful UI – You’ll own frontend features across mobile and web using … into real life – Collaborate with designers to implement pixel-perfect Figma mocks. Keep it fast - Optimise performance for speed, scalability, and user joy. Write clean code - Use modern best practices and help keep the codebase healthy and readable. Test like a pro - Use tools like Jest to write More ❯

teams, and to make our application easier to develop, build, test, and deploy while providing better performance and stability. What You Will Do Craft code that reflects an expert understanding of object-oriented design, refactoring, clean code, clean architecture, and solid engineering principles Refactor code … Model and mentor best practices to improve engineering processes Solve complex problems using knowledge, passion, and curiosity Participate in Agile/Scrum meetings and code reviews Code with adherence to best practices, including test-driven development Partner with our DevOps team to build and support CI/CD More ❯

a role for someone who wants to sit in endless meetings - its a position for someone who loves solving hard problems, mentoring others through code, and driving quality in every release. What Youll Be Doing: Lead by Doing : Youll actively contribute to the codebase - writing clean, well-tested … architectural guidance, your influence will shape how the team works and delivers. Review & Mentor : Your feedback will help engineers grow, with an emphasis on clean code, smart design, and continuous improvement. Cross-Functional Collaboration : Youll work closely with Product and UX to ensure engineering solutions align with business … around performance and scalability Solid RDBMS experience (PostgreSQL, MySQL, etc.) Familiarity with Agile methodologies and modern CI/CD pipelines Proven ability to write clean, testable code Bonus Points: Experience with Kotlin or interest in working with it Messaging tools like Kafka or RabbitMQ DevOps awareness Terraform, Ansible More ❯

INSTANDA is the worlds first no code platform for Insurance. A pioneering Insurtech, we're revolutionising the insurance industry by offering insurers a versatile tool to create, manage, and distribute digital insurance products. Our innovative technology empowers insurance carriers to adapt swiftly to market demands and navigate the evolving … technical direction and influence overall strategy advising decisions on both Technology and Product investments Estimation, solution design, detailed technical design, application technical deliverables including code, associated tests and documentation Pioneer and promote methodologies like AI driven development, clean code and clean architecture Contribution to functional excellence … team to drive DevOps practices to automate the Product development life cycle Promote effective innovation across all of engineering including proof of concepts and code foundations Deep technical skills and capabilities to become a key part of projects defining the future product technical strategy, keen to engage, network and More ❯

solutions that meet design, coding, performance, and security standards Providing production support and resolving incidents Conducting thorough testing, focusing on automation Using both low-code and custom code solutions as needed Creating and maintaining custom Lightning Web Components, triggers, and batch jobs Ensuring continuous improvement through design reviews … and retrospectives Collaborating with colleagues to support platform stability and availability Essential Experience: Strong understanding of Clean Code practices, Object Orientation, SOLID Principles, Design Patterns, Governor Limits, and Salesforce Best Practices Experience in Salesforce Engineering, with certifications such as Platform Developer I and Salesforce Administrator Strong understanding of … Clean Code, Object-Oriented principles, Salesforce Best Practices, and Governor Limits Experience with Salesforce Financial Services Cloud Passion for software development and a proactive approach to learning and innovation Familiarity with technologies such as C#, ASP.NET MVC, HTML, CSS, JavaScript, and SQL is a plus This role requires More ❯

solutions that meet design, coding, performance, and security standards Providing production support and resolving incidents Conducting thorough testing, focusing on automation Using both low-code and custom code solutions as needed Creating and maintaining custom Lightning Web Components, triggers, and batch jobs Ensuring continuous improvement through design reviews … and retrospectives Collaborating with colleagues to support platform stability and availability Essential Experience: Strong understanding of Clean Code practices, Object Orientation, SOLID Principles, Design Patterns, Governor Limits, and Salesforce Best Practices Experience in Salesforce Engineering, with certifications such as Platform Developer I and Salesforce Administrator Strong understanding of … Clean Code, Object-Oriented principles, Salesforce Best Practices, and Governor Limits Experience with Salesforce Financial Services Cloud Passion for software development and a proactive approach to learning and innovation Familiarity with technologies such as C#, ASP.NET MVC, HTML, CSS, JavaScript, and SQL is a plus This role requires More ❯

design, develop, and maintain robust Python applications that transform complex data into actionable insights. This role requires strong Python expertise with a focus on clean code, design patterns, and scalable architecture. We're seeking a developer who can work independently whilst collaborating effectively with our team to deliver … innovative solutions. Key Responsibilities: Python Development: Design and develop scalable, maintainable Python applications and services Implement effective design patterns to create flexible and robust code Write clean, well-documented code following industry best practices Perform code reviews and provide constructive feedback to team members Troubleshoot and … datasets from various sources Integrate AI/ML models into production applications Develop APIs and services to connect data sources and downstream applications Optimise code for performance and scalability Architecture & System Design: Contribute to architectural decisions and system design Implement appropriate design patterns to solve complex problems efficiently Create More ❯

shaping the future of their highly valuable sector. Their platform is built on cutting-edge technologies, and they are scaling fast. They believe in clean code, strong ownership, and empowering their engineers to build with purpose. Now, they're looking for a Technical Software Engineering Manager with deep … design and architecture decisions for scalable, secure, and performant systems Collaborate cross-functionally with Product, Design, and DevOps to deliver high-impact features Conduct code reviews, establish coding standards, and promote engineering best practices Own the hiring process for your team and help us attract world-class talent Continuously … based systems (8+ years coding experience preferred) Solid background in system design, distributed systems, and cloud architectures (AWS/Azure/GCP) Passion for clean code, testing, and performance optimization Excellent communication, leadership, and decision-making skills A mindset for innovation, problem-solving, and continuous improvement Bonus Points More ❯

shaping the future of their highly valuable sector. Their platform is built on cutting-edge technologies, and they are scaling fast. They believe in clean code, strong ownership, and empowering their engineers to build with purpose. Now, they're looking for a Technical Software Engineering Manager with deep … design and architecture decisions for scalable, secure, and performant systems Collaborate cross-functionally with Product, Design, and DevOps to deliver high-impact features Conduct code reviews, establish coding standards, and promote engineering best practices Own the hiring process for your team and help us attract world-class talent Continuously … based systems (8+ years coding experience preferred) Solid background in system design, distributed systems, and cloud architectures (AWS/Azure/GCP) Passion for clean code, testing, and performance optimization Excellent communication, leadership, and decision-making skills A mindset for innovation, problem-solving, and continuous improvement Bonus Points More ❯

Software Engineer - AI, React, Typescript, AWS Lambda, Microservices, IaC Who we are looking for: In 2024, EM Code created a suite of internal AI-powered tools and services to support the tens of thousands of employees across our group of companies around the world (EssenceMediacom & WPP) to leverage the … APIs (OpenAI, Gemini or similar), along with solid skills in Typescript, React, Javascript/RxJS, Zustand/Redux, AWS Lambda, MicroFrontends, Microservices, Infrastructure as Code, Document Databases, SQS, Git/Monorepo, etc. You'll be passionate about creating responsive, accessible, and performant experiences through core frontend skills like HTML … partnership with peers and clients/stakeholders, you will propose and explain solution options, ultimately implementing sustainable and adaptable technical solutions aligned with EM Code's standards and processes. Our teams aim to break work into small, manageable items to enhance understanding, reliability, and transparency with client budgets. Who More ❯

tech stack our modern tech stack (NestJS/NodeJS, Vue, Redis, SQL Server and Snowflake), able to critique and drive the quality of the code created. This is a role that would suite someone with a strong development background, with expertise in creating clean code following DevOps … company values, acting as a role model for team members and fostering a healthy work culture. The ideal candidate will have: Experience developing with clean code, SOLID principals and design patterns, and building the competency for this in teams. Experience of developing effective engineering performance metrics and driving … experience as a hands on software engineer working with mature DevOps practises, and to have maintained the skills required to get down into the code when required. A strong understanding of what is required to create and operate maintainable systems. Experience with automated testing and quality assurance An understanding More ❯

to-day role to management. How You'll Do It Creates technology solutions addressing high impact business priorities. Demonstrates the ability to analyze, design, code, test and deploy solutions and product features with high quality to production. Level of technical expertise enables solutions with high complexity and depth. Competent … If You Have: Experience as part of an Agile engineering or development team Strong understanding of object-oriented principles with an ability to write clean code Strong experience working with a relational database and NoSQL and relational database Strong experience with CI/CD pipelines with Jenkins or … to-day role to management. How You'll Do It Creates technology solutions addressing high impact business priorities. Demonstrates the ability to analyze, design, code, test and deploy solutions and product features with high quality to production. Level of technical expertise enables solutions with high complexity and depth. Competent More ❯

Software Engineer - AI, React, Typescript, AWS Lambda, Microservices, IaC Who we are looking for: In 2024, EM Code has created a suite of internal AI-powered tools and services to support our global group of companies, including EssenceMediacom & WPP. We are expanding these tools and seek Software Engineers with … AI APIs (OpenAI, Gemini, or similar), and solid skills in Typescript, React, Javascript/RxJS, Zustand/Redux, AWS Lambda, MicroFrontends, Microservices, Infrastructure as Code, Document Databases, SQS, Git/Monorepo, among others. We value a passion for creating responsive, accessible, and high-performance front-end experiences, with proficiency … that meet user needs and deliver commercial value. Working closely with stakeholders, you will propose and implement sustainable, adaptable technical solutions aligned with EM Code's standards. Our teams focus on breaking work into manageable items to ensure reliability, transparency, and efficiency in client budgets. Who you'll work More ❯

microservices based on Java Spring Boot , using modern infrastructure and deployment approaches. You will work with Kafka for distributed messaging and implement infrastructure as code using Terraform and CDK . The role involves hands-on development in an AWS-based environment with a strong focus on clean code … with Kafka for event-driven architectures. Solid knowledge of AWS services. Hands-on experience with IaC tools , especially Terraform and CDK. Practical understanding of clean code, testing, and microservice patterns. Good command of English (working in an international environment). Openness to hybrid work model with occasional visits More ❯

domain and lead by example. Mentor and guide : Empower junior engineers and share your knowledge to foster their growth. Champion best practices : Promote TDD, clean code, and robust architectural practices. Collaborate effectively : Work across teams to create cohesive and scalable solutions. What You'll Do Drive technical discussions … high-quality work. Mentorship and knowledge sharing : Empower your team by providing guidance and fostering a collaborative environment. Focus on developer experience : Champion simplicity, clean code, and a streamlined workflow for all engineers. DevOps mindset : Take full ownership of your domain, from design to deployment and monitoring. Your More ❯

domain and across the organization. Mentor and empower: Foster the growth of junior engineers and share your knowledge. Champion best practices: Advocate for TDD, clean code, and a well-architected platform. Collaborate across domains: Unify diverse teams to create a seamless, future-proof solution. What You'll Do … high-quality work. Mentorship and knowledge sharing: Empower your team by providing guidance and fostering a collaborative environment. Focus on developer experience: Champion simplicity, clean code, and a streamlined workflow for all engineers. DevOps mindset: Take full ownership of your domain, from design to deployment and monitoring. You More ❯

own. The client: A leading trading firm driven by technology with over one thousand employees globally. Pioneering their own trading strategies and systems using clean code and sophisticated technology, they run a global network with thousands of high-performance, low-latency applications that solve problems in nanoseconds. Technology … understanding of computer science fundamentals Experience writing software in C#, C++, C, or Java with a proven ability to deliver scalable, reliable, high-quality clean code A passion for continuous improvement and test-driven design plus innovative, big-picture thinking grounded in real-world pragmatism An understanding of More ❯

logic for machines that don’t yet exist. You won’t be stuck patching someone else’s dodgy ladder logic. You’ll be designing clean code from scratch, helping shape the system, and driving innovation with a team that lives and breathes automation. What You’ll Actually Do … full works Get involved from concept and quoting, all the way through to FAT/SAT and customer handover Write smart, modular, and documented code (we’re not just slapping logic together) Collaborate with mechanical, electrical, and software teams to make machines sing The Kind of Engineer We're … Text Bonus points for exposure to SCADA/MES, .NET, SQL, robotics, vision systems, or regulated environments Above all, someone who takes pride in clean code, practical problem-solving, and working as part of a team Why This Role Stands Out: R&D feel with real-world engineering More ❯

applications and services using modern frameworks and design patterns. Create middleware and intranet applications that streamline internal workflows and communication between distributed systems. Write clean, maintainable, and efficient code across multiple languages (C#, PHP, Python, JavaScript). Develop and consume REST APIs, ensuring secure, performant communication between services. … current on AI-driven software development practices (e.g., GPT-assisted development, Agentic AI workflows) and suggest practical implementations. Participate in architecture reviews, sprint planning, code reviews, and knowledge sharing. Required Skills & Experience Strong commercial development experience in: ASP.NET Core , C# PHP , Python , JavaScript SQL dialects : MySQL, MSSQL, PostgreSQL Familiarity … Magento or other open-source e-commerce platform integration experience Sound knowledge of Software Architecture : Design Patterns (Enterprise, Architectural, DDD) The Twelve-Factor App Clean Code principles and Refactoring Clean Infrastructure principles Hands-on experience with: Docker , Containers Cloud platforms : AWS (preferred), Azure, or GCP Queue systems More ❯

winning tech company delivering innovative web analytics solutions to a global B2B audience. You'll be working with a high-performing team that values clean code, modern development practices, and a supportive culture. We're hiring a Junior to Mid-Level Full Stack Developer to help build and … NodeJS microservices, Vue.js) AWS cloud environment with Redis, SQL Server, Snowflake CI/CD deployment, agile processes, SOLID principles, automated testing Strong emphasis on clean, maintainable code and security best practices Your Role Turn user stories into robust features within a collaborative scrum team Contribute to product design … and architecture decisions Maintain and support production systems Uphold high standards in testing, code quality, and secure development What You'll Bring 2+ years' experience in software development JavaScript/TypeScript skills (or strong experience in Java or C# with a willingness to upskill) Understanding of SOLID principles and More ❯

winning tech company delivering innovative web analytics solutions to a global B2B audience. You'll be working with a high-performing team that values clean code, modern development practices, and a supportive culture. We're hiring a Junior to Mid-Level Full Stack Developer to help build and … NodeJS microservices, Vue.js) AWS cloud environment with Redis, SQL Server, Snowflake CI/CD deployment, agile processes, SOLID principles, automated testing Strong emphasis on clean, maintainable code and security best practices Your Role Turn user stories into robust features within a collaborative scrum team Contribute to product design … and architecture decisions Maintain and support production systems Uphold high standards in testing, code quality, and secure development What You'll Bring 2+ years' experience in software development JavaScript/TypeScript skills (or strong experience in Java or C# with a willingness to upskill) Understanding of SOLID principles and More ❯

winning tech company delivering innovative web analytics solutions to a global B2B audience. You'll be working with a high-performing team that values clean code, modern development practices, and a supportive culture. We're hiring a Junior to Mid-Level Full Stack Developer to help build and … NodeJS microservices, Vue.js) AWS cloud environment with Redis, SQL Server, Snowflake CI/CD deployment, agile processes, SOLID principles, automated testing Strong emphasis on clean, maintainable code and security best practices Your Role Turn user stories into robust features within a collaborative scrum team Contribute to product design … and architecture decisions Maintain and support production systems Uphold high standards in testing, code quality, and secure development What You'll Bring 2+ years' experience in software development JavaScript/TypeScript skills (or strong experience in Java or C# with a willingness to upskill) Understanding of SOLID principles and More ❯

native tech stack with a strong focus on microservices, real-time data, and API-first design. Its an ideal role for someone passionate about clean code, modern DevOps practices, and building systems that scale. Tech Snapshot: Languages & Frameworks: C#, .NET Core Cloud: AWS (cloud-native, not lift-and … designing cloud-native services Hands-on experience with Kubernetes in live environments Solid understanding of GraphQL and API design principles Exposure to infrastructure-as-code (e.g. Terraform ) and modern CI/CD pipelines Passion for clean, maintainable code and continuous improvement A collaborative mindset and a pragmatic More ❯