20 of 20 Contract Clean Code Jobs in England

Looking for a Senior Java Developer that has worked with Kotlin. The ideal candidate should be passionate about clean code and scalable solutions. This opportunity will allow you to design robust Microservices Architecture, within an automated data-heavy environment. This will be an initial 6 month contract with … DevOps methodologies and scalable CI/CD pipelines Microservices Architecture Exposure to Big Data technologies such as: Kafka, Spark, Hadoop etc Strong understanding of clean code principles Experience working with AWS Cloud Kotlin experience (preferred ...

other stakeholders to refine, clarify and prioritise requirements. Establish a comprehensive testing strategy covering unit, integration, end-to-end, performance and resilience testing. Write clean, reusable and testable code, including unit and integration tests using Vitest and Cypress. Participate in CI/CD pipelines for frontend builds, including … code reviews and release processes. Document components, patterns and frontend architecture to support knowledge sharing and maintainability. Contribute to coding standards and best practices across the frontend codebase. Use Git, package managers such as npm or pnpm, and build tools as part of the daily development workflow. Essential Skills ...

where appropriate Use AI tools to improve engineering productivity - while maintaining full accountability for quality, safety, and correctness Review, validate, and guide AI-generated code and outputs , ensuring they meet real engineering and operational standards Build services in TypeScript and Python , supported by strong testing and clean code practices Package, deploy, and operate workloads using Kubernetes (e.g. Helm) and Infrastructure as Code (e.g. Terraform) Work closely with other engineers, platform teams, and AI specialists to deliver integrated, end-to-end solutions Take responsibility for systems running in production , not just code that passes a build ...

maintain secure, high-performance Java-based microservices Implement RESTful APIs and GraphQL integrations Ensure services are cloud-native, scalable, and resilient in AWS Code Quality, Testing, and Best Practice Write clean, maintainable code following internal coding standards Develop automated tests (unit, integration, performance) Participate in peer code ...

Strong background as a Senior or Lead Software Engineer, Lead DevOps Engineer , or similar hands-on leadership role Excellent software engineering fundamentals: system design, clean code, testing, and long-term maintainability Deep experience designing and delivering API-driven and microservice-based systems Proven ability to modernise or integrate ...

Hibernate development practices Proven ability to build microservices and reliable RESTful APIs Hands-on experience applying TDD and BDD testing approaches Good understanding of clean coding principles, SOLID, and cloud technologies Previous experience in Finance/Fintech/Payments is highly beneficial Key Responsibilities Design, implement, and thoroughly test ...

near real-time data pipelines Solid understanding of distributed systems, scalability, and data processing Background in software engineering best practices (testing, CI/CD, clean code) Nice to Have Experience in banking, compliance, or regulated environments Exposure to high-volume transactional or voice data systems ...

tasks, driving excellence in automated and non-functional testing including performance, security, accessibility, and usability. Design, build, and maintain robust test automation frameworks with clean, reliable code. Collaborate with junior QA Engineers and manual testers, guiding them in modern testing practices and engineering principles. Ensure consistent governance, design … code quality in line with software standards and technology strategy. Create detailed test scenarios and cases, analyzing non-functional specifications for performance, accessibility, and security testing. Maintain traceability from test cases back to requirements, producing automation scripts and regression test packs. Work with stakeholders to ensure all test data ...

lead engineering and design discussions. Experience working on medium to high complexity systems with minimal supervision. Strong understanding of quality-driven development, including clean code and maintainable design. Ability to collaborate effectively within a team and mentor junior engineers. Reasonable Adjustments: Respect and equality are core values ...

space. This is a craft-led role for a developer who cares as much about visual quality, motion and storytelling as they do about clean, performant code. You'll be taking beautifully designed concepts and bringing them to life through real-time 3D and interaction-rich web experiences.You ...

data engineering framework Build, enhance, and maintain data pipelines within Snowflake Develop transformations and data models using DBT Orchestrate workflows using Apache Airflow Write clean, modular Python code for data engineering solutions Improve pipeline reliability, performance, and observability Introduce and embed CI/CD, testing, and deployment best ...

complex enterprise environment. This role is suited to someone who enjoys solving real business problems through strong engineering practices, modern architecture, and clean, scalable code. Youll work across the full software development lifecycle, partnering closely with product, architecture, QA, and production teams to deliver resilient, high-quality solutions. … secure, scalable Java-based applications Build and support high-availability microservices and distributed systems Translate business requirements into technical solutions and engineering designs Perform code reviews, debugging, testing, and production issue resolution Collaborate across Agile teams to deliver key roadmap milestones Work closely with QA and stakeholders to ensure ...

maintain scalable, responsive applications using React.js, React Native, and TypeScript Work closely with UX/UI designers to deliver intuitive and engaging interfaces Write clean, efficient, and maintainable code following best practices Optimise applications for performance and scalability Participate in code reviews to ensure high development standards … using version control systems, particularly Git Solid understanding of HTML, CSS, and responsive design principles Strong debugging and performance optimisation skills Ability to produce clean, modular, and well-documented code Excellent communication and collaboration skills Rullion celebrates and supports diversity and is committed to ensuring equal opportunities ...

disk I/O, and network considerations across kdb+ processes. Develop robust and reusable q libraries, utilities, and frameworks with a strong focus on clean, maintainable, and performant code. Drive continuous improvement through refactoring, performance benchmarking, and adoption of best practices. Mentor and guide junior and mid-level developers … fostering a culture of technical excellence, code quality, and knowledge sharing. Participate in design reviews, production support, and root cause analysis of complex system issues. Work collaboratively within an Agile or iterative delivery environment, contributing to design, implementation, testing, and release phases. Required Skills & Experience 8+ years of hands ...

Spark or serverless architectures Core responsibilities and skills Build and maintain real-time and batch ETL pipelines using Python on large, complex datasets Write clean, scalable Python code for data ingestion, transformation, and processing Design and optimise SQL queries for performance, cost, and reliability across large data volumes … Work with distributed data processing tools such as Apache Spark to handle high-volume workloads Improve existing pipelines by identifying bottlenecks and refactoring code and queries Develop and maintain data workflows, scheduling, and orchestration processes Provision and manage AWS infrastructure using Infrastructure as Code tools such as Terraform ...

Ansible Collaborate with DevOps teams to implement and maintain CI/CD pipelines Manage cloud-based infrastructure and containerized applications (Docker/Kubernetes) Write clean, efficient, and reusable code following best practices Troubleshoot, debug, and optimize application performance Ensure security, scalability, and reliability of systems ...

Purpose of the role: Join one of the core cross functional mission teams to build and develop technology products. What you'll do: Develop clean, elegant, and reusable code that is well tested and easy to maintain and extend. Work with stakeholders across the business to drive ...

next iteration of products. Work collaboratively across our missions to define and continually improve our testing strategy for new and existing products. Develop clean, elegant, and reusable code that is easy to maintain and extend. Build scalable automated testing systems that enable us to ship value to customers ...

using React, modern JavaScript, HTML, and CSS. * Build scalable, component-based front-end architectures for single-page applications. * Translate UI/UX designs into clean, efficient, and maintainable code. * Integrate and manage content-driven experiences using Payload CMS. * Collaborate with designers, developers, and stakeholders to deliver seamless digital experiences. … Optimise application performance and ensure cross-browser compatibility. * Identify, troubleshoot, and resolve front-end issues efficiently. * Follow best practices in front-end development, including code quality, testing, and performance optimisation. * Stay up to date with modern front-end technologies, tools, and CMS-driven architectures. Profile * The Front ...

Strong, demonstrable experience as an Applied AI Scientist, Data Scientist or similar hands-on technical role - Excellent Python skills, with the ability to write clean, efficient, production-quality code - Experience developing and deploying AI solutions outside of fully managed cloud services - Solid understanding of modern AI and machine ...