24 of 24 Contract Clean Code Jobs in England

intuitive, intelligent user experience. What You’ll Be Doing: Building responsive, modular React applications that sit at the heart of an AI-driven SDLC platform Translating Figma designs into clean, maintainable, high-performing front-end code Integrating with Python-based services to surface AI insights and automation directly in the UI Creating reusable components and libraries that accelerate … Python services or frameworks for back-end integration Solid understanding of REST APIs, microservices, and contemporary web architecture Experience in enterprise-grade or engineering tools environments A commitment to clean code, testing, and continuous delivery Confident communication skills and a proactive, ownership-driven mindset Bonus Points For: Exposure to GenAI/LLM integrations such as OpenAI or Anthropic … Looks Like: A smooth, modern UI that makes AI-driven automation feel natural for engineers Strong collaboration across UX, AI, and engineering to deliver a cohesive platform Maintainable, scalable code that underpins a next-gen engineering experience Role Details: Rate: £500–£520 per day (Inside IR35) If you’re excited about shaping a platform that genuinely elevates engineering teams More ❯

and strengthen platform resilience. What You'll Bring Strong proficiency in Python (or a similar high-level language) with a deep understanding of software engineering best practices - testing, automation, clean code, and CI/CD. Proven track record building and maintaining scalable data platforms in production, enabling advanced users such as ML and analytics engineers. Hands-on experience …/observability solutions like Monte Carlo, Atlan, or DataHub. Solid understanding of cloud environments (AWS or GCP), including IAM, S3, ECS, RDS, or equivalent services. Experience implementing Infrastructure as Code (Terraform) and CI/CD pipelines (e.g., Jenkins, GitHub Actions). A mindset focused on continuous improvement, learning, and staying at the forefront of emerging technologies. Nice to Have More ❯

contract - Inside IR35 - up to £585 per day London based - hybrid working - 3 days office based Current NPPV3 clearance is highly desirable Your main responsibility will be to deliver clean, maintainable, and well-tested code that adheres to SOLID principles. You will work collaboratively across Quality Assurance, DevOps, and other development teams, sharing knowledge, supporting onboarding, and contributing … to code reviews. Key Responsibilities Deliver high-quality, maintainable code and development outcomes. Manage data exchange between backend services, front-end applications, and third-party APIs. Develop server-side logic in collaboration with Business Analysts and QA, ensuring requirements are met and code is testable. Lead and contribute to technical user stories, focusing on integration and service … optimisation. Document solutions using diagrams, flowcharts, and clear code comments. Ensure compliance with quality standards, including automated testing and code reviews. Address non-functional requirements such as performance, monitoring, and operational support. Support releases through all development environments, maintaining quality and reliability. Contribute to skill development and technology adoption within the team. Present technical concepts in demos and 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 ❯

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 ❯

Laravel expertise? Ready to take ownership of a mission-critical eCommerce platform and lead from the front? We're seeking a Lead PHP Developer to drive best practices, deliver clean, scalable code, and lead a growing team of developers. You'll play a vital role in an environment where downtime is not an option - leading stand-ups, mentoring … colleagues, and ensuring smooth delivery from both UK-based and offshore teams. What You'll Be Doing: Develop and optimise full-stack code across PHP/Laravel Own core platform areas and ensure high performance and scalability Lead daily stand-ups and help unblock developers in real-time Review code, set quality standards, and guide team growth Liaise … stack development experience, ideally in ecommerce Expert-level PHP and Laravel, MySQL & Microsoft SQL Server skills Experience in CI/CD, Git, and agile delivery environments Leadership experience: mentoring, code reviews, team stand-ups Solid understanding of cloud platforms (AWS, Azure, etc.) Desirable Extras: Vue.js, React, or similar frontend frameworks Docker and containerisation experience Third-party integrations and ecommerce More ❯

APIs Build and test RESTful APIs using Spring Boot and JUnit Apply Kubernetes for containerisation and deployment Collaborate within Agile Scrum teams to deliver high-quality software solutions Write clean, maintainable code following best practices in secure development Support continuous integration, testing, and deployment activities Essential Skills & Experience Strong hands-on experience with Java and Spring Boot Solid More ❯

data architecture expertise. Key responsibilities: Design and implement high-throughput data streaming solutions using Kafka, Flink, or Confluent. Build and maintain scalable backend systems in Python or Scala, following clean code and testing principles. Develop tools and frameworks for data governance, privacy, and quality monitoring, ensuring full compliance with data protection standards. Create resilient data workflows and automation More ❯

define technical solutions. * Optimise performance, reliability, logging, and error handling across distributed systems. * Integrate with third-party systems and internal services using modern API standards and healthcare protocols. * Write clean, maintainable, and testable code following engineering best practices (TDD/BDD). * Participate in code reviews, support engineering excellence, and mentor junior developers. * Ensure compliance with security More ❯

define technical solutions. * Optimise performance, reliability, logging, and error handling across distributed systems. * Integrate with third-party systems and internal services using modern API standards and healthcare protocols. * Write clean, maintainable, and testable code following engineering best practices (TDD/BDD). * Participate in code reviews, support engineering excellence, and mentor junior developers. * Ensure compliance with security More ❯

reliable software that improves Safety, Quality, Delivery, and Cost. Essential Responsibilities As a Ground Applications Engineer in the Aircraft Services Department, you will; Drive design reviews, define interfaces between code modules, and applies existing technology to designs Architect, implement, and maintain ground applications (services, and tooling) with clean, modular, and testable code Build user interfaces and operator … in writing and developing test cases Experience in developing and maintaining automated testing software. Apply secure coding practices, identity and access controls, and data protection. Participate in sprint planning, code reviews, and design reviews; contribute to documentation and user manuals Support deployments, environment configuration, and deployment activities. Work cross-functionally with project managers, systems engineers, and end users to … retrospectives, and improvements that enhance Safety, Quality, Delivery, and Cost Strong problem-solving, systems thinking, and debugging skills Clear, concise communication and documentation Collaboration and respect for people; effective code review and mentoring Continuous improvement mindset; data-driven decision making Required Qualifications Proficiency in the following languages .NET, C#, HTML Familiarity with relational and SQL databases (e.g., PostgreSQL, MySQL More ❯

define technical solutions. * Optimise performance, reliability, logging, and error handling across distributed systems. * Integrate with third-party systems and internal services using modern API standards and healthcare protocols. * Write clean, maintainable, and testable code following engineering best practices (TDD/BDD). * Participate in code reviews, support engineering excellence, and mentor junior developers. * Ensure compliance with security More ❯

define technical solutions. * Optimise performance, reliability, logging, and error handling across distributed systems. * Integrate with third-party systems and internal services using modern API standards and healthcare protocols. * Write clean, maintainable, and testable code following engineering best practices (TDD/BDD). * Participate in code reviews, support engineering excellence, and mentor junior developers. * Ensure compliance with security More ❯

store and retrieve data efficiently. Implement event-driven architectures using messaging systems like RabbitMQ and AWS Kinesis/SQS. Develop modern web interfaces using TypeScript and Angular. Contribute to code reviews and ensure adherence to coding standards and best practices. Collaborate with cross-functional teams to deliver high-quality software solutions. Core Skills Strong C# Skills: Demonstrated proficiency in … for building modern, responsive web interfaces. Messaging Systems: Experience working with message queues and streams, such as RabbitMQ and AWS Kinesis/SQS, to handle asynchronous communication. Desirable Skills Code Quality and Testing: A commitment to writing clean, maintainable code and a strong understanding of testing methodologies (unit, integration, end-to-end). Big Data: Familiarity with More ❯

Design, build, and maintain scalable open data services and APIs Lead technical decisions and contribute to architectural direction Collaborate with user-centred design (UCD) teams and technical experts Ensure code quality, documentation, and maintainability Align delivery with recognised standards including the Technology Code of Practice and Service Standard Essential Skills & Experience 4+ years of experience in software development … Strong proficiency in Ruby (Python is a bonus) Experience with microservices or service-oriented architecture Skilled in writing clean, well-documented code and taking ownership of the development process Comfortable working in agile , cross-functional teams Familiarity with: Docker & Kubernetes Git & version control API development (REST, GraphQL) Cloud deployment Open data platforms or search technologies Desirable Experience working More ❯

to design, develop, and optimise systems that drive performance, scalability, and reliability. Key Responsibilities Collaborate with cross-functional teams to architect and deliver user-centric platform solutions . Write clean, efficient, and scalable code following industry best practices. Optimise application performance and reliability , ensuring seamless user experiences. Participate in agile development processes , including sprint planning, daily stand-ups … and code reviews. Required Skills & Experience Proven experience as a Platform Engineer , with a strong emphasis on user experience . Proficiency in container orchestration (Kubernetes) and cloud infrastructure management (AWS). Expertise in scripting (Python, Bash) and programming (Java). Hands-on experience with DevOps tools : GitLab, Ansible, Prometheus, Grafana, Nagios, Argo CD, Rancher, Harbour. Deep understanding of big More ❯

genuine engineering challenges. You'll collaborate closely with product and engineering teams across the stack to improve developer experience, strengthen observability, and troubleshoot complex distributed systems. A focus on clean, maintainable code, cloud infrastructure, and strong security practices is essential. Senior Platform Engineer - Key Skills & Experience: Solid background in software engineering, with significant platform or backend experience Proficiency … and services Strong expertise in AWS, including CloudFront and related web application services Hands-on experience with CI/CD pipelines and modern deployment practices Familiarity with infrastructure-as-code tools such as Terraform Strong understanding of security best practices in application and infrastructure design Exposure to observability tools (e.g. Prometheus, Grafana, structured logging) Confident debugging and resolving issues More ❯

maintain scalable web applications using modern frameworks and technologies. Collaborate with cross-functional teams to design and implement technical solutions. Ensure the performance, quality, and responsiveness of applications. Write clean, efficient, and reusable code adhering to industry standards. Perform debugging, troubleshooting, and optimisation tasks as required. Integrate front-end and back-end components to create seamless user experiences. … Participate in code reviews and provide constructive feedback to peers. Stay updated with emerging trends and technologies in full-stack development. Profile Must haves: Node React TypeScript Python Nice to haves: AWS MongoDB Redis Cassandra Docker PostgreSQL Job Offer Outside IR35 Contract More ❯

. Creating a developer-friendly API portal , complete with onboarding, documentation, and usage examples. Working closely with internal teams to deliver a scalable, compliant, and well-documented solution. Writing clean, well-structured code using C#/.NET Core (with possible TypeScript/JavaScript extensions). What We’re Looking For: Strong background in Microsoft Azure , including API Management … and App Services . Experience with Microsoft Teams app development or Microsoft 365 integrations . Familiarity with OpenAPI/Swagger , Postman , and developer documentation . Exposure to Infrastructure as Code (Bicep, Terraform, ARM) . Version control and CI/CD using Azure DevOps or GitHub . Bonus: Knowledge of biometric or identity-based solutions . Contract Details: Start: Immediate More ❯

platform. You'll play a key role in building performant, modern web applications that visualise complex data and integrate seamlessly with a Python/FastAPI backend. The team values clean, reliable, and maintainable code - so this is a great opportunity to make an impact in both product and technical decision Location: Remote (UK) Contract: 6 Months (likely extension … applications using React and TypeScript . Collaborate with backend engineers to integrate APIs (FastAPI, SQLModel, PostgreSQL). Optimise performance and scalability of frontend components for complex data workloads. Implement clean, reusable UI components and modern design patterns. Work closely with product and data teams to deliver user-friendly data visualisations. If you're interested, apply now for immediate consideration. More ❯

and maintain user-facing features using React.js. Collaborate with cross-functional teams to design and implement scalable applications. Optimise components for maximum performance across various devices and browsers. Write clean, maintainable, and efficient code in alignment with project requirements. Identify and address technical issues and bugs effectively. Ensure the technical feasibility of UI/UX designs. Stay updated … with the latest advancements in React and related technologies. Contribute to code reviews and team discussions to maintain high development standards. Profile Must haves: React TypeScript Nice to haves: Next.js Redux AWS Node/Python Job Offer Fully remote Outside IR35 Contract More ❯

a internal project. You will also contribute to the development, customisation and integration of Microsoft dynamics 365. The successful Software Developer will work closely with senior leadership to create clean and efficient code to provide software solutions for the business. Key responsibilities of the C# Developer: Develop clear and documented C#/.Net code Customize, extend, and … support Microsoft Dynamics 365 Build integrations between Dynamics 365 Develop plugins, workflows and custom components within Dynamics Collaborate with cross-functional teams in a fully remote environment Participate in code reviews to help define best practices Key experience of the C# Developer: Must have strong experience with developing in C#/.Net Must have hands-on Experience with Microsoft More ❯

a internal project. You will also contribute to the development, customisation and integration of Microsoft dynamics 365. The successful Software Developer will work closely with senior leadership to create clean and efficient code to provide software solutions for the business. Key responsibilities of the C# Developer: Develop clear and documented C#/.Net code Customize, extend, and … support Microsoft Dynamics 365 Build integrations between Dynamics 365 Develop plugins, workflows and custom components within Dynamics Collaborate with cross-functional teams in a fully remote environment Participate in code reviews to help define best practices Key experience of the C# Developer: Must have strong experience with developing in C#/.Net Must have hands-on Experience with Microsoft More ❯

a tangible difference. Key Responsibilities Perform data wrangling , cleaning, transformation, and preparation of large, complex datasets Develop and deploy machine learning models to solve real-world operational problems Write clean, maintainable Python code for data analysis, automation, and modelling Collaborate with engineers and analysts to integrate models into production systems Present findings and insights to technical and non More ❯