1 to 25 of 40 DemandTrendContract Clean Code Jobs in the UK

HTML/CSS/JavaScript – Stimulus, Hotwire, or React) to ship features quickly and reliably. You’ll design, build and maintain scalable features, collaborate with product and design, write clean, well-tested code and help improve performance. Requirements: 3+ years’ Ruby on Rails experience in production Strong JavaScript, HTML/CSS skills (Stimulus/Turbo/React) Knowledge … simplify complexity and remove the hidden costs of managing property.. We’re looking for a strong full stack developer who can confidently contribute across the backend and frontend, write clean, maintainable code and help us ship features quickly and reliably. Responsibilities Design, build and maintain scalable web application features in Ruby on Rails Contribute to front-end development … using HTML, CSS and JavaScript (Stimulus, Hotwire, or React) Collaborate closely with product/design to translate requirements into robust technical solutions Write clean, well-tested code (RSpec or Minitest) Debug and resolve bugs and performance issues Participate in code reviews and maintain coding best practices Support occasional DevOps or deployment tasks (Heroku/AWS experience a More ❯

the design and development of scalable, high-performance applications and solutions. The ideal candidate will have strong technical leadership skills, deep Java & AWS expertise, and a passion for designing clean and robust architectures. Your responsibilities: Architect and design scalable, secure, and robust backend systems using Java and related frameworks. Define best practices and coding standards for development teams. Lead … technical discussions, code reviews, and mentoring sessions. Collaborate with senior leadership (PM, Product Owners, Engineering/Clouds Lead), external customers, and stakeholders at all levels to translate complex business and technology requirements into high-level architectural designs aligned with long-term strategic goals. Maintained strong relationships with enterprise architects and engineering leaders to define technology roadmaps and evaluate solution … relational and databases (e.g., PostgreSQL, DynamoDB). * Hands-on experience with cloud platforms (AWS & GCP). * Familiarity with containerization (Docker, Kubernetes). * Knowledge of design patterns, OOP principles, and clean code practices. * Experience with Git, Jenkins, CI/CD pipelines & Terraform. * Strong problem-solving and debugging skills. * Excellent communication and stakeholder management skills. Desirable skills/knowledge/ More ❯

the design and development of scalable, high-performance applications and solutions. The ideal candidate will have strong technical leadership skills, deep Java & AWS expertise, and a passion for designing clean and robust architectures. This is a hybrid role with 3 days per week required on site in Manchester and is inside IR35 so will require working via an FCSA … relational and databases (e.g., PostgreSQL, DynamoDB). *Hands-on experience with cloud platforms (AWS & GCP). *Familiarity with containerization (Docker, Kubernetes). *Knowledge of design patterns, OOP principles, and clean code practices. *Experience with Git, Jenkins, CI/CD pipelines & Terraform. *Strong problem-solving and debugging skills. *Excellent communication and stakeholder management skills. Desirable skills/knowledge/ More ❯

the design and development of scalable, high-performance applications and solutions. The ideal candidate will have strong technical leadership skills, deep Java & AWS expertise, and a passion for designing clean and robust architectures. Key Responsibilities: Architect and design scalable, secure, and robust backend systems using Java and related frameworks. Define best practices and coding standards for development teams. Lead … technical discussions, code reviews, and mentoring sessions. Collaborate with senior leadership (PM, Product Owners, Engineering/Clouds Lead), external customers, and stakeholders at all levels to translate complex business and technology requirements into high-level architectural designs aligned with long-term strategic goals. Maintained strong relationships with enterprise architects and engineering leaders to define technology roadmaps and evaluate solution … relational and databases (e.g., PostgreSQL, DynamoDB). * Hands-on experience with cloud platforms (AWS & GCP). * Familiarity with containerization (Docker, Kubernetes). * Knowledge of design patterns, OOP principles, and clean code practices. * Experience with Git, Jenkins, CI/CD pipelines & Terraform. * Strong problem-solving and debugging skills. * Excellent communication and stakeholder management skills. Tech Stack: * Java/J2EE More ❯

lead the design and development of scalable, high-performance applications and solutions. The ideal candidate will have strong technical leadership skills, deep Python expertise, and a passion for designing clean and robust architectures. Key Responsibilities: Architect and design scalable, secure, and robust backend systems using Python. Define best practices and coding standards for development teams. Lead technical discussions, code … databases (e.g., PostgreSQL, MongoDB). * Hands-on experience with cloud platforms (AWS, Azure, or GCP). * Familiarity with containerization (Docker, Kubernetes). * Knowledge of design patterns, OOP principles, and clean code practices. * Experience with Git, Jenkins, CI/CD pipelines. * Strong problem-solving and debugging skills. * Excellent communication and stakeholder management skills. Desirable skills/knowledge/experience More ❯

maintain performant applications using React, Next.js, and Node.js Contribute to architectural discussions and technical design decisions Collaborate with product, design, and platform teams to align on feature delivery Write clean, maintainable code and participate in peer code reviews Optimise applications for performance, scalability, and user experience Ensure high standards of security, accessibility, and testing across the codebase More ❯

delivery. Working knowledge of Microsoft Dynamics and Wrangler (preferred). Exceptional communicator and collaborator with proven mentoring ability. Key Responsibilities of the Software Developer: Champion Agile methodologies while producing clean, efficient, and testable code. Collaborate with engineers and business teams to deliver impactful, high-quality solutions. Lead planning and prioritisation while mentoring members of a small engineering team. Design More ❯

delivery. Working knowledge of Microsoft Dynamics and Wrangler (preferred). Exceptional communicator and collaborator with proven mentoring ability. Key Responsibilities of the Software Developer: Champion Agile methodologies while producing clean, efficient, and testable code. Collaborate with engineers and business teams to deliver impactful, high-quality solutions. Lead planning and prioritisation while mentoring members of a small engineering team. Design More ❯

and maintain Java applications using Spring Boot. Microservices: Implement and manage microservices architecture. Front-End Integration: Develop front-end interfaces with Angular. Database Management: Design and optimize relational databases. Code Quality: Write clean, efficient code and perform code reviews. Linux Administration: Manage and maintain Linux servers. Collaboration: Work with cross-functional teams to define and implement More ❯

portfolio! Duties Develop web applications using modern frameworks such as Angular, React, and Django. Collaborate with UX/UI designers to create visually appealing and user-friendly interfaces. Write clean, maintainable code in languages such as JavaScript, PHP, Python, and Ruby. Implement RESTful APIs and integrate third-party services. Manage databases using MySQL, PostgreSQL, Microsoft SQL Server, or … MongoDB. Utilise version control systems like Git or SVN for code management. Conduct unit testing and debugging to ensure application functionality. Participate in the full software development lifecycle (SDLC) from planning to deployment. Use tools like Docker, Jenkins, and Ansible for DevOps practices. Engage in wireframing and web design processes to enhance user experience. Stay updated with industry trends More ❯

production-ready solutions. Employ Test-Driven Development (TDD) and SOLID principles. Build robust, scalable algorithms and efficient data structures. Collaborate with other engineers, mentoring and sharing knowledge. Produce maintainable, clean code based on the "less is more" principle. Essential Skills & Experience Expert in TypeScript, with strong back-end development experience. Extensive experience in applying well-known software patterns. … of TDD and SOLID principles. Minimum 5 years' experience in software development/software engineering Excellent technical communication skills. Able to take a concept from discussion to high-quality code delivery. Desirable Degree in Computer Science, Software Engineering, or related discipline highly desirable Experience in high-performance or complex systems. Familiarity with algorithmic analysis and performance optimisation. Work Arrangements More ❯

production-ready solutions. Employ Test-Driven Development (TDD) and SOLID principles. Build robust, scalable algorithms and efficient data structures. Collaborate with other engineers, mentoring and sharing knowledge. Produce maintainable, clean code based on the "less is more" principle. Essential Skills & Experience Expert in TypeScript, with strong back-end development experience. Extensive experience in applying well-known software patterns. … of TDD and SOLID principles. Minimum 5 years' experience in software development/software engineering Excellent technical communication skills. Able to take a concept from discussion to high-quality code delivery. Desirable Degree in Computer Science, Software Engineering, or related discipline highly desirable Experience in high-performance or complex systems. Familiarity with algorithmic analysis and performance optimisation. Work Arrangements More ❯

production-ready solutions. Employ Test-Driven Development (TDD) and SOLID principles. Build robust, scalable algorithms and efficient data structures. Collaborate with other engineers, mentoring and sharing knowledge. Produce maintainable, clean code based on the 'less is more' principle. Essential Skills & Experience Expert in TypeScript or a similar software development language , with strong back-end development experience. Extensive experience … of TDD and SOLID principles. Minimum 5 years' experience in software development/software engineering Excellent technical communication skills. Able to take a concept from discussion to high-quality code delivery. Desirable Degree in Computer Science, Software Engineering, or related discipline highly desirable Experience in high-performance or complex systems. Familiarity with algorithmic analysis and performance optimisation. Work Arrangements More ❯

a leading financial services firm on the hunt for a Contract Full-Stack JavaScript Developer to supercharge the UI of a high-impact platform. If you're passionate about clean code, scalable architecture, and modern tooling—this one's for you! Tech Stack: React.js Node.js TypeScript REST APIs Jest/Enzyme/Cypress AWS Interested? Apply now or More ❯

develop, and enhance features for the Operational Data Store application. Optimize performance and tuning for large-scale Oracle Exadata systems. Apply Scala and modern development practices, including design patterns , clean code , and reactive event-sourced systems . Collaborate with global teams, contributing to the re-architecture of securities post-trade platforms. Follow TDD , ATDD/BDD , and CI More ❯

across: React Python Javascript Nice to have: CI/CD Pipelines Github Actions Vue Java Azure Azure Devops Role The Full Stack Developer will adopt best practices like writing clean and reusable code using TDD, pair programming and design patterns. Advocate for continuous delivery practices to deliver high-quality software as well as value to end customers as … and practices to build and deploy software Oversee or take part in the entire cycle of software consulting and delivery Profile You can skillfully write high-quality, well-tested code and you are comfortable with Object-Oriented programming. You are comfortable with Agile methodologies, such as Extreme Programming (XP), Scrum and/or Kanban. You have a good awareness More ❯

partnering with a leading financial services firm on the hunt for a Contract React Developer to supercharge the UI of a high-impact platform. If you're passionate about clean code, scalable architecture, and modern tooling—this one's for you!??? Tech Stack: React.js Node.js TypeScript REST APIs Jest/Enzyme/Cypress AWS Interested? Apply now or More ❯

applications in fast-paced engineering environments. This is an exciting opportunity for software professionals looking to apply their expertise across the full development lifecycle, from gathering requirements and writing clean, efficient code to testing, deploying, and supporting production systems. Key Responsibilities: Analyse and gather software requirements and design system functionality. Develop high-quality code using appropriate programming … debugging, and troubleshooting of existing software applications. Maintain and evolve existing codebases based on performance analysis or changing requirements. Follow and promote software development best practices including: Coding standards Code reviews Source control (e.g., Git) Build and CI/CD processes Automated and manual testing Participate in system integration and user acceptance testing (UAT). Work independently and contribute More ❯

applications using C# (.NET) and React Design, implement, and optimise solutions in Microsoft Azure Collaborate with business analysts, solution architects, and QA engineers to ensure high-quality deliverables Write clean, maintainable, and testable code Participate in code reviews and contribute to best practice development standards Skills & Experience: Proven commercial experience with C# and React Strong understanding of More ❯

agile development team to deliver robust enterprise-wide solutions utilising industry standard practices Design, develop, enhance and maintain applications using agreed coding standards and quality targets. Ensure quality via code reviews and thorough unit testing. Liaise with immediate scrum team, other scrum/project teams, line manager and development lead to ensure accurate and complete delivery. Contribute to the … development and implementation of software development best practices within the organisation. Writing clean and efficient code using relevant programming languages to implement the designed features and functionality. Key Competencies & Skills: Knowledge of oil, wet bulk or energy trading and risk management business Software Development Methodologies: Understanding of Agile development practices and project management tools Communication Skills: Effective communication More ❯

understanding of the Software Development Life Cycle (SDLC) Responsibilities: Product Engineering & Delivery Build and maintain user-facing applications, tools, and integrations Collaborate with product managers, designers, and stakeholders Write clean, maintainable, well-tested code Contribute to product discovery with prototypes, spikes, and experiments Technology & Integration Build APIs and services to connect systems across the firm Integrate with internal … tools and third-party platforms Support low-code solutions, especially within Power Platform Agile & Iterative Development Work within a modern agile framework Participate in backlog grooming, technical scoping, and story writing Engage in design sessions, code reviews, and retrospectives Security, Quality & Operations Ensure compliance with security, privacy, and operational standards Monitor and improve the health of production code More ❯

and maintain features in Blazor frontends and .NET backend APIs Implement and support multi-tenant SaaS architecture Build and integrate CI/CD pipelines for deployment and testing Write clean, testable, maintainable code using C#, EF Core, and modern .NET best practices Work with Azure services such as App Services, Functions, Entra, SQL Elastic Pools, and Key Vault … Experience deploying cloud-based applications Azure App Configuration Frontend UI/UX component design experience Multi-tenant SaaS systems Scripting and automation (PowerShell, Azure CLI) Exposure to infrastructure-as-code with Bicep, ARM, or Terraform Why Join Us? Join us to lead the greenfield development of a scalable next-gen CRM platform. Enjoy autonomy in architectural decisions, a supportive More ❯

Accountabilities: Develop and maintain scalable and responsive web applications using React.js and TypeScript. Collaborate with UX/UI designers to implement modern, intuitive, and visually appealing user interfaces. Write clean, maintainable, and efficient code while adhering to best practices. Optimize applications for maximum performance across a wide range of devices and browsers. Participate in code reviews and … maintain a high level of code quality. Troubleshoot and debug issues in both development and production environments. Contribute to architectural decisions and collaborate with other engineers on overall application design. Ensure the scalability and security of applications by following best development practices. Stay up-to-date with emerging technologies and industry trends, integrating new tools and libraries into the … control systems, such as Git. Solid understanding of web development fundamentals: HTML, CSS, and responsive design. Strong debugging skills and the ability to troubleshoot performance issues. Ability to write clean, modular, and well-documented code. Strong communication skills and the ability to collaborate effectively in a team-oriented environment. Please note: Should your application be successful, and you are More ❯

Accountabilities: Develop and maintain scalable and responsive web applications using React.js and TypeScript. Collaborate with UX/UI designers to implement modern, intuitive, and visually appealing user interfaces. Write clean, maintainable, and efficient code while adhering to best practices. Optimize applications for maximum performance across a wide range of devices and browsers. Participate in code reviews and … maintain a high level of code quality. Troubleshoot and debug issues in both development and production environments. Contribute to architectural decisions and collaborate with other engineers on overall application design. Ensure the scalability and security of applications by following best development practices. Stay up-to-date with emerging technologies and industry trends, integrating new tools and libraries into the … control systems, such as Git. Solid understanding of web development fundamentals: HTML, CSS, and responsive design. Strong debugging skills and the ability to troubleshoot performance issues. Ability to write clean, modular, and well-documented code. Strong communication skills and the ability to collaborate effectively in a team-oriented environment. Please note: Should your application be successful, and you are More ❯

their contact centre with AWS AI services (Amazon Lex, LLMs) and next-generation cloud solutions. What you'll do Design & deliver AI-driven solutions using AWS AI & LLMs Write clean, scalable code in TypeScript Champion DevOps best practices (CI/CD, automation, IaC) Collaborate, challenge, and bring fresh ideas What you'll bring Proven AWS (Lex + AI More ❯