26 to 50 of 761 Clean Code Jobs in the UK

for always-on availability. Join a small, elite squad inside our Technology Team. You will work shoulder-to-shoulder with domain scientists, DevOps engineers, and product leaders to ship code that takes OLI to the next level as the standard for solving previously "unsolvable" problems in chemistry. Your work will shape entire industries and accelerate the move toward a … more sustainable world. If you thrive in high-growth settings, love clean code and modern technologies, if you care for the quality of what you deliver, and want your contributions to leave a measurable mark, OLI needs you. Mission Statement You will deliver production-grade front- and back-end code that extends OLI's computational engine into … the team, contribute to architectural foundations and push critical Galileo components from prototype to production enabling faster scientific breakthroughs. You will raise the performance, security, and testability of our code base for long-term maintainability and scale. Key Responsibilities By working with us, we want you to: Design, implement, and test high-quality code that powers today's More ❯

enhancing technical assets onto one global platform, to foster new commercial opportunities and enable innovation. As a member of the team, you will play a key role in improving code to further improve the reliability and performance of our applications. You will have access to like-minded developers, with whom you can collaborate, discuss ideas and concepts, pair-with … the role: Product Definition - develop a solid understanding of our product and help to contribute ideas and suggestions Operating - follow our processes and patterns in order to ensure reliable, clean code and take responsibility for the running of our components in production Communicate - transparently communicate the progress of your work and discuss ideas with your team and Technology … Microservice/Event Driven Design - An understanding of the complexities with event driven design and how to best approach them Experience or interest in application development and writing good clean code Cloud environments. We use AWS Testing approaches such as unit testing or functional testing Working within an e-commerce business where reliability is critical At JET, this More ❯

multi-cloud infrastructure . What You'll Do Design and deliver scalable, resilient backend systems. Shape cloud-ready, service-aligned architecture. Champion engineering best practices (TDD, CI/CD, clean code). Collaborate across disciplines to deliver impactful solutions. Guide third-party development to meet technical standards. What You'll Bring Strong backend engineering experience (Java 11+, REST … APIs, SQL). Experience with high-throughput or distributed systems. Passion for clean, maintainable code and infrastructure as code. Excellent communication and mentoring skills. Bonus Points For Spring Boot, Go, or Node.js experience. Cloud expertise (AWS, Azure, GCP). Kafka, RabbitMQ, or event-driven architecture. GitOps, Docker/Kubernetes, Terraform. Why Join Us? Be part of a multi More ❯

Engineer with at least 2 years of experience to help us evolve and scale our B2B SaaS platform. This is a hands-on development role with an emphasis on clean code, thoughtful architecture, and pragmatic problem solving. What you'll do Develop and maintain core features of our product across the stack. Collaborate with product managers, designers, and … other engineers to deliver intuitive, scalable solutions. Write clean, maintainable code and contribute to code reviews. Integrate with third-party APIs and services. Help improve system performance, reliability, and technical debt. Work in an agile environment with a focus on shipping frequently and iterating fast. Qualifications 2+ years of hands-on software development experience in a commercial More ❯

and maintain full-stack solutions using .NET Core , C# , and React/Angular/Blazor Build and optimise REST APIs , background services, and Azure Functions Architect modular and testable code following DDD or clean code principles Implement CI/CD pipelines with Azure DevOps , including testing and release automation Work with Azure services like App Services , API … Management , Blob Storage , Key Vault , and more Optimise database performance across Azure SQL/SQL Server Contribute to infrastructure-as-code and DevOps tooling (ARM, Bicep, or Terraform - nice to have) Core Tech Stack .NET Core/ASP.NET Core/C# React/Angular/Blazor Azure Functions/App Services/Storage/Service Bus/Key Vault … DevOps (YAML Pipelines) CI/CD, deployment slots, feature flags You'll Thrive If You Have: A strong understanding of cloud-first, event-driven architectures The ability to write clean, efficient, maintainable code Experience in optimising performance (lazy loading, reducing unused JS, smart rendering with useMemo/useCallback) Solid problem-solving skills with a focus on scalability and More ❯

closely with designers, product managers, and back-end developers to bring features to life in a scalable, accessible, and elegant way. This role is ideal for someone who loves clean code, modern web frameworks, and crafting digital experiences that delight end users. What You'll Do Develop, test, and maintain front-end components using React and other Javascript … to translate designs into responsive, accessible front-end solutions Collaborate with back-end engineers to integrate APIs and ensure smooth user journeys Optimise performance across browsers and devices Write clean, maintainable code and contribute to front-end architecture decisions Participate in code reviews and Agile ceremonies Requirements What We're Looking For Proven experience in front-end … Assess communication and curiosity Technical Task or Live Pairing Realistic, time-bound task or live coding session Use structured rubric for fairness (avoid freeform "whiteboarding") "Focus on team collaboration, code quality, and feedback" Peer Technical Panel/Culture Fit/CTO Chat - In person at our NCL HQ Includes cross-functional devs, product manager or designer Assess long-term More ❯

Software Engineer (AI, React, Typescript, AWS Lambda, Microservices, IaC) We are EM Code, formerly Code Computerlove. We are a Customer Experience, AI and Innovation Agency in Manchester. Since our inception in 1999, we have navigated substantial industry transformations and consistently adapted our attitudes, beliefs, and approaches to stay ahead. For over 25 years, EM Code has helped … of our team saying the working environment is welcoming, friendly, and fun, and 98% agreeing that people are treated fairly regardless of race, age, or sexual orientation. EM Code is full of talented, passionate individuals who love collaborating and helping each other out, and our client partners trust us to do world-class work. As an equal-opportunity employer … our extensive capabilities in communications, media, insights, customer experience, AI, and cutting-edge technology, allowing us to craft truly integrated solutions. Who we're 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 More ❯

matches, data visualisation for coaches and video analysis for officials. What You'll Be Doing Designing and building interactive UIs using React and TypeScript Turning complex sports data into clean, usable experiences Working closely with backend, design, and data teams to ship features Scoping, estimating, and managing your own tasks using Jira Contributing to UI architecture, performance optimisation, and … release workflows Writing clean, testable code with a focus on maintainability and clarity Collaborating with our Principal and Lead Engineers on frontend best practices Key Responsibilities Scoping and managing project tasks from requirements Identifying and managing dependencies within a project - across disciplines and external teams Managing code releases across environments (Dev, Test, Staging, Prod) Writing high-quality … code that is functional, maintainable, and easy for others to extend Taking pride in the detail and finish of the final product, and encouraging the same from others Communicating clearly and regularly to ensure the right solutions are being built Continuously developing your own technical expertise and staying up to date with best practices Sharing ideas, tools, and techniques More ❯

data acquisition and cleaning to deployment and production support. Collaborate with researchers, engineers, and stakeholders across the business to align technical design with trading objectives. Drive engineering excellence through clean code, automated testing, operational rigor, and mentorship of junior team members. WHAT YOU'LL BRING: 5+ years of software development experience in quantitative trading, with deep expertise in … software development, automated testing, and secure, scalable architecture design. Exposure to FX and/or crypto markets; front-end experience with frameworks like React is a plus. Passion for clean, testable code, continuous learning, and mentoring peers on engineering best practices. Degree in Computer Science or related field, with a strong focus on problem-solving and simplicity in More ❯

data acquisition and cleaning to deployment and production support. Collaborate with researchers, engineers, and stakeholders across the business to align technical design with trading objectives. Drive engineering excellence through clean code, automated testing, operational rigor, and mentorship of junior team members. WHAT YOU'LL BRING: 5+ years of software development experience in quantitative trading, with deep expertise in … software development, automated testing, and secure, scalable architecture design. Exposure to FX and/or crypto markets; front-end experience with frameworks like React is a plus. Passion for clean, testable code, continuous learning, and mentoring peers on engineering best practices. Degree in Computer Science or related field, with a strong focus on problem-solving and simplicity in More ❯

our digital software business. This is an excellent opportunity for a Full Stack Developer who has experience with a variety of development technologies. Responsibilities will include producing fully functional, clean code; integration of backend data; UI and web layout design; as well as de-bugging and bug-fixes. You'll be working across the full stack Microsoft stack … performance solutions using .NET technologies. Work closely with product managers, UX/UI designers, and other developers to deliver features that meet business requirements and enhance user experience. Write clean, efficient, and maintainable code adhering to industry best practices. Conduct code reviews, provide feedback, and mentor junior developers when required. Design and implement RESTful APIs and services More ❯

Do you have a passion for delivering user focused digital services and using the latest technology to deliver solutions to a global audience of millions? Are you enthusiastic about clean code, well designed software and mentoring others to enable them to work at their best? If the answer to the above is yes, we would love you to … adhering to our technical standards Mentoring software engineers in your team and the wider software development community Maximising the automated test coverage to help move to continuous delivery Ensuring code quality through code reviews What it is like to work in Companies House Inclusive and diverse teams are important to us. Wherever possible we offer flexible working arrangements. … once in post as required according to business needs). Experience of developing software throughout the delivery lifecycle. Knowledge of RESTful APIs. A passion for high quality, well-crafted code, and associated tooling. A degree in computing or similar would be an advantage, or equivalent industry experience. You embrace continuous integration and have a continuous delivery mindset. You are More ❯

tech - 150+ people, 5 countries, hundreds of customers, and a product that's redefining how the world shops. We're after a sharp, experienced frontend developer who cares about clean code, great UX, and long-term quality. You love solving complex problems, building elegant solutions, and bringing design systems to life. Pragmatic, detail-driven, and thoughtful - you build … it right, not just fast. What You'll Do Write clean, scalable TypeScript code with a focus on performance Implement precise, visually accurate UIs using our design system Refactor legacy code and migrate to Vue 3 Review peer code and contribute to continuous improvement Collaborate on architecture, processes, and long-term code quality What You More ❯

critical systems, including our bespoke CRM and customer-facing platforms. You'll work closely with product managers, designers, and other engineers in Agile squads to deliver high-quality, scalable code that drives real value for both our team and customers. This role is perfect for someone who enjoys ownership, values clean code and performance, and wants to … teams to deliver features from concept to deployment Implement and manage AWS services for performance, scalability, and reliability Contribute to front-end development (React or similar), where applicable Write clean, well-tested code with strong documentation and reusable components Conduct code reviews and mentor junior developers as needed Support continuous integration and deployment pipelines Participate in architectural … with REST APIs, MySQL/PostgreSQL, and Git workflows Comfortable working in Agile environments with cross-functional teams Strong problem-solving skills and a passion for writing efficient, scalable code Excellent communication and collaboration skills Nice to Have Experience with CI/CD tools and containerisation (Docker) Familiarity with security and compliance in regulated sectors (e.g. financial services, insurance More ❯

The rest of the tech stack include Django REST Framework, PostgreSQL, AWS, React.js, Kubernetes, Docker, Redis, Celery, Pandas, Numpy, Git, Jenkins and Elasticsearch. We have a very large but clean code base as we put significant emphasis on design patterns, code readability, automated testing, maintainability and extendability. Responsibilities Work with product owners, engineering managers, user interface designers … and other software engineers to write technical documents that identify software project requirements Write well-formulated, testable and readable code using appropriate software design patterns Design, build and maintain APIs, microservices and data pipelines Design, normalise and optimise relational databases Write complex SQL queries to get data from the database Optimise APIs and database queries to improve speed of … execution Participate in code reviews Debug and fix bugs across our applications Review, maintain and refactor existing code to meet the requirements for improved or new features Write technical documentation of code, algorithms and APIs Help in drafting of end-user manuals Experience and Qualifications 5+ years experience (Python/Django is a plus) Ability to work More ❯

design and architecture across key science platforms. Drive development of scalable backend services and modern frontends (React/Vue). Oversee DevOps practices (CI/CD, Docker, infra-as-code). Promote clean code, best practices, and modern tooling across teams. Collaborate with product owners and research stakeholders to align platform development with user and research needs. More ❯

stack include Django REST Framework, PostgreSQL, AWS, Kubernetes, Docker, Redis, Celery, Pandas, Numpy, Github, Jenkins, Elasticsearch and lots of raw SQL for analytics. We have a very large but clean code base as we put significant emphasis on design patterns, code readability, testability, maintainability and extendability. Responsibilities Work with product owners, product managers, user interface designers and … other software engineers to write technical documents that identify software project requirements and high level technical analysis. Write well-formulated, testable and readable code using appropriate software design patterns Diagnose and solve page load and other speed issues Debug and fix bugs across our applications Write unit, integration and end-to-end tests Participate in code reviews Review … maintain and refactor existing code to meet the requirements for improved or new features Write technical documentation of code, algorithms and APIs Help in drafting of end-user manuals Identify, evaluate and communicate front-end best practices. Skills Expert level knowledge of TypeScript or JavaScript (ES6), and most common Styling libraries. Strong grasp of the React Framework, relative More ❯

performance bottlenecks, optimize data flow, and ensure backend services operate with maximum efficiency Security: implement best practices for securing data, ensuring compliance with industry standards and regulations Best Practices & Code Quality: advocate for clean code, automated testing, and DevOps best practices, ensuring high-quality software development and deployment processes Mentorship & team growth: provide technical leadership and mentorship More ❯

Collaborate with developers to troubleshoot and resolve issues. Perform regression testing to ensure existing functionality is not affected by new changes. Develop and maintain automated test scripts. Participate in code reviews and provide feedback on testability and quality. Continuously improve testing processes and methodologies. Qualifications Desirable qualifications and experience; Agile development - strong understanding of Agile values and principles, as … preferred) Familiarity of Cloud environments (e.g., Azure) Experience with manual or automated testing • ISTQB Software Testing Good analysis and problem-solving skills Effective communicator Attention to detail Advocate of code quality, clean code, and best practice Ability to interpret and document processes Self-motivation and willingness to learn and explore new ideas An understanding of Motor Claims More ❯

Collaborate with developers to troubleshoot and resolve issues. Perform regression testing to ensure existing functionality is not affected by new changes. Develop and maintain automated test scripts. Participate in code reviews and provide feedback on testability and quality. Continuously improve testing processes and methodologies. Qualifications Desirable qualifications and experience; Agile development - strong understanding of Agile values and principles, as … preferred) Familiarity of Cloud environments (e.g., Azure) Experience with manual or automated testing • ISTQB Software Testing Good analysis and problem-solving skills Effective communicator Attention to detail Advocate of code quality, clean code, and best practice Ability to interpret and document processes Self-motivation and willingness to learn and explore new ideas An understanding of Motor Claims More ❯

design and architecture across key science platforms. Drive development of scalable backend services and modern frontends (React/Vue). Oversee DevOps practices (CI/CD, Docker, infra-as-code). Promote clean code, best practices, and modern tooling across teams. Collaborate with product owners and research stakeholders to align platform development with user and research needs. More ❯

Blackpool, is scheduled to take place in 2027. A software developer designs, runs and improves software that meets user needs. In this role, you will: Be responsible for writing clean, secure code following a test-driven approach Create code that is open by default and easy for others to reuse In this role, you will be responsible … for writing clean, secure code following a test-driven approach. You will create code that is open by default and easy for others to reuse. You will be able to integrate APIs such as gov.uk/pay and gov.uk/notify and develop services in line with the Government Digital Service Standard. You will test and document … code releases and support the team at GDS Service Assessments. As a Senior Software Developer, you will: Technical Designs, codes, tests, corrects, and documents user interfaces using the right standards and tools. Work with Typescript, Node.JS, Kubernetes (KubeMQ), Next JS, React, and Event-Driven Architecture Supports implementation of new systems or upgrades for Automation Garage solutions Finds ways to More ❯

an active role in Agile ceremonies, work within Azure DevOps to manage your workflow, and contribute to documentation that supports quality delivery. If you enjoy solving complex problems, writing clean code, and working with a supportive and forward-thinking team, this role offers the variety and challenge you're looking for. As the Software Engineer, you will: Designing … and developing full-stack applications using C#, .NET Core, ASP.NET MVC, HTML, JavaScript, JQuery, Angular and SQL Server. Writing clean, efficient and testable code that powers data-driven applications and APIs. Deploying and supporting applications in Microsoft Azure. Creating and optimising SQL Server queries and routines to improve performance and reliability. Investigating and resolving technical issues reported by More ❯

and working software. Key Responsibilities: Design, develop, and maintain software systems using modern frameworks and technologies. Collaborate with cross-functional teams to define, design, and ship new features. Write clean, maintainable, and efficient code. Implement responsive design principles to ensure applications work on various devices and screen sizes. Develop and integrate REST, GraphQL and RPC APIs. Conduct thorough testing More ❯

warehouse efficiency, enabling immediate dispatch of books and reducing storage time. Building a new platform to expand the sales of valuable antique books. You will be responsible for writing clean code, conducting code reviews, and contributing to the overall architecture. This role requires someone who is autonomous, can solve problems independently, and is comfortable mentoring junior team More ❯