22 of 22 Contract Clean Code Jobs in the UK

Senior Integration Engineer

Hiring Organisation
Anson Mccade
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£550 per day
utilize Azure Service Bus for async messaging, and manage IaC via Bicep. End-to-End Delivery: Take workstreams from requirement to production independently. Write clean Python code with pytest suites and collaborate closely with the DIP Architect, Data Engineering Lead, BAs, and QA. Candidate Profile Essential Experience: 5+ … engineering experience. Azure Core: Deep practical experience with Azure Function Apps, Logic Apps Standard, Service Bus, and APIM. Python & QA: Strong Python skills with clean code practices, error handling, and robust test coverage. AI Tooling: Active, day-to-day use of AI-assisted development (code generation ...

Lead Java Developer - 6 Month - Government - Hybrid

Hiring Organisation
Stealth IT Consulting Limited
Location
United Kingdom
Employment Type
Contract
Contract Rate
£570 per day 570 Inside IR35
technologies such as Docker and Kubernetes. Knowledge of CI/CD pipelines and DevOps practices. Strong understanding of software engineering principles, design patterns, and clean code practices. Experience working within Agile and Scrum environments. Ability to lead technical discussions and mentor engineering teams. Excellent problem-solving and communication … working in government or large-scale public sector environments. Knowledge of event-driven architecture and messaging platforms such as Kafka. Experience with infrastructure as code tools such as Terraform. Familiarity with monitoring and observability tools. Knowledge of accessibility and security standards within government digital services. Experience with test automation ...

Senior AI DevOps Engineer

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
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 ...

Contract Java Full Stack Developer

Hiring Organisation
Spectrum It Recruitment Limited
Location
Nottingham, Nottinghamshire, East Midlands, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£375.00 - £400.00 per day
scalable full stack applications. Build and enhance RESTful APIs and web-based services. Collaborate with cross-functional teams throughout the software development lifecycle. Write clean, maintainable, and well-tested code following best practices. Support the modernisation of legacy systems into a unified SaaS platform. Participate in code … software development lifecycle. Proven experience with unit testing and integration testing. If you're a collaborative Java full stack developer with a passion for clean code, modern Java technologies, and delivering high-quality software solutions please apply for immediate consideration. Spectrum IT Recruitment (South) Limited is acting ...

Lead AI Enabled Software/DevOps Engineer

Hiring Organisation
Guidant Global
Location
London, City of London, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £850/day
Senior or Lead Software Engineer, Lead DevOps Engineer, or similar hands-on technical leadership role - Excellent software engineering fundamentals, including system design, clean code, testing, and maintainability - Strong experience designing and delivering API-driven and microservice-based systems - Proven ability to modernise or integrate legacy applications into modern ...

Lead AI DevOps Engineer

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
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 ...

Java Developer

Hiring Organisation
Computer Futures
Location
Manchester, United Kingdom
Employment Type
Contract
Contract Rate
£540/day
rate: £540 * Inside IR35 * Hybrid: Manchester (2 days per week in the office) Requirements Strong Java + Spring Boot fundamentals Ability to write clean code from scratch (no AI tools) Hands-on experience with AWS/CDK Exposure to cloud migration projects Confident working in collaborative environments (pair … Desirable Basic Node.js or frontend interaction Interview Process You will complete a live pair programming exercise where you will: Write Java/Spring Boot code from scratch Clearly talk through your approach while solving problems Work collaboratively with another engineer No AI tools allowed during the exercise. Please click ...

Golang Developer

Hiring Organisation
Hirexa Solutions UK
Location
West Sussex, England, United Kingdom
Employment Type
Contractor
Contract Rate
£280 - £300 per day
microservices using Golang. Build scalable, high-performance applications for enterprise environments. Develop and consume RESTful APIs and integrate with third-party systems. Write clean, maintainable, and testable code following best practices. Optimize application performance, reliability, and scalability. Collaborate with product owners, architects, QA teams, and DevOps engineers. Participate … code reviews and contribute to technical design discussions. Troubleshoot production issues and provide timely resolutions. Implement security, monitoring, and logging best practices. Support CI/CD processes and automated deployments. Contribute to architecture decisions and technical improvements across platforms. Work within Agile teams to deliver high-quality software solutions. ...

Blockchain Developer

Hiring Organisation
Pro Contract Jobs Ltd
Location
London, United Kingdom
Employment Type
Contract, Work From Home
cutting edge blockchain company building an Ethereum platform aimed at decentralising parts of traditional financial services. On a remote contract you could support a clean technology organisation building a carbon offset tokenisation system using Hyperledger Besu, with smart contracts, APIs, and audit ready delivery. What you will … production or advanced side projects. You understand core Web3 patterns such as transactions, events, wallets, token standards, and common security pitfalls. You can write clean code, break down complex problems, and collaborate with product and engineering teams to ship outcomes. You are confident with NodeJS and modern JavaScript ...

Senior Kotlin Engineer (XP, GCP) - Investment Banking - London

Hiring Organisation
Salt Search
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £800 per day
test-driven development, and continuous refactoring. Engineers are expected to contribute across development, integration, and production support, collaborating closely to maintain high standards of code quality, system reliability, and performance. Required & Desirable Skills Strong commercial experience building backend services using Kotlin Experience with event-sourced and event-driven architectures … Deep familiarity with XP practices, including: Mob programming as a primary way of working Test-driven development (TDD) Continuous refactoring and clean code principles Cloud experience with GCP, including: GKE and/or Cloud Run Cloud SQL and Memory store Artifact Registry and Cloud Logging Key Management Experience ...

Senior Artificial Intelligence / Machine Learning Engineer

Hiring Organisation
Pro Contract Jobs Ltd
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Competitive day rate (DOE)
practices to keep models stable, observable and maintainable in production. To be successful, you will have strong Python experience and proven ability to write clean, secure and performant code, with practical expertise using modern ML frameworks and libraries. You will have delivered production-grade ML systems in customer ...

Senior Java Software Engineer (Pricing API) - 5 days - London

Hiring Organisation
Salt Search
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £500 per day
this could be a great fit. What You'll Be Doing Designing and building scalable backend systems using Java and the JVM ecosystem Developing clean, maintainable code from product requirements Applying TDD/BDD practices and modern engineering principles Building and maintaining cloud-native infrastructure Working on highly ...

Senior Backend Python Developer

Hiring Organisation
ARM
Location
Leeds, West Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £450/day
business logic, data access layers, and integrations with internal and external systems. Develop and enhance RESTful APIs, following defined contracts and API standards. Write clean, maintainable, well-tested code, adhering to agreed engineering best practices. Contribute unit and integration tests to ensure functional correctness and regression safety. Support … feature delivery by implementing backend components from pre-defined designs and tickets. Participate in code reviews, addressing feedback and continuously improving code quality. Troubleshoot backend issues using logs and diagnostics, escalating complex design concerns to onshore leads. Work within an Agile/Scrum team, contributing to sprint delivery ...

Senior Software Engineer - Kafka/Spark

Hiring Organisation
Adecco
Location
Chester, Cheshire, United Kingdom
Employment Type
Contract
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 ...

SC Cleared Node.js Developer

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Up to £560 per day + Inside IR-35
requirements into effective technical designs Building APIs and backend services using Node.js (REST, OpenAPI) Developing user-focused services, putting accessibility and usability first Writing clean, reusable, and maintainable code Working with shared/common government tech stacks (Node.js, PostgreSQL, Redis) Investigating and resolving technical issues across the stack … Ability to communicate with both technical and non-technical stakeholders Experience breaking down work, refining backlog items, and defining acceptance criteria Good understanding of clean coding principles and managing technical debt Knowledge of software architecture principles (layered design, microservices, separation of concerns) A user-focused mindset with experience building ...

Full Stack Developer

Hiring Organisation
Copello
Location
Gloucester, Gloucestershire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 650 - 670 Daily
direction/guidance within the scrum team Liaise with the Technical Lead Be able to help the scrum team decompose epics and stories. Writing clean, secure code following a test-driven approach Create code that is open by default and easy for others to reuse Produce detailed ...

Java Developer - Inside IR35 - Government

Hiring Organisation
Stealth IT Consulting Limited
Location
United Kingdom
Employment Type
Contract
Contract Rate
£500 per day 500 Inside IR35
develop, test, and maintain enterprise-grade Java applications Build scalable RESTful APIs and microservices Collaborate with architects, DevOps engineers, QA, and business stakeholders Write clean, maintainable, and secure code following best practices Participate in Agile ceremonies including sprint planning, stand-ups, and retrospectives Perform code reviews ...

Senior Frontend Developer

Hiring Organisation
Rullion - Eon
Location
London, Farringdon, United Kingdom
Employment Type
Contract
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 ...

AI Engineer (Forward Deployed) with Software Engineering background

Hiring Organisation
McCabe & Barton
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
From £700 to £900 per day
between platform engineering and business-facing AI delivery, focusing on building and deploying production-grade AI solutions. We are looking for someone who writes clean, production-quality code and can turn AI capability into real business impact. Key Responsibilities Build and maintain MCP connectors across core systems. Support ...

SC Cleared Software Developer (Power Platform)

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Power Apps, Power Automate) Developing and integrating services within a wider architecture Ensuring solutions are user-focused, accessible, and aligned to government standards Writing clean, maintainable, and reusable code/configuration Supporting issue investigation, resolution, and continuous improvement Applying secure development practices, including awareness of OWASP principles Collaborating … looking for: Active SC Clearance (essential) Strong experience building solutions using Power Platform in production environments Solid software development background beyond low-code tools Ability to engage with senior stakeholders and non-technical users Experience breaking down requirements, refining work items, and defining acceptance criteria Understanding of clean ...

IOS Developer

Hiring Organisation
scrumconnect ltd
Location
City, Newcastle Upon Tyne, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
native iOS applications using Swift Collaborate with UX designers, product owners, and Back End developers to translate requirements into robust, accessible mobile experiences Write clean, testable, well-documented code following established coding standards and architectural patterns Implement and maintain CI/CD pipelines for automated builds, testing … deployment Ensure applications meet WCAG 2.2 accessibility standards and GDS service standards Conduct code reviews and contribute to engineering best practices within the team Integrate with RESTful APIs and Back End services, working closely with API developers Troubleshoot and resolve performance issues, crashes, and production defects Support App Store ...

AI Engineer - LLM & Agentic Systems

Hiring Organisation
INTEC SELECT LIMITED
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 - £650 per day, Negotiable
multi-step reasoning - RAG systems that actually deliver, not just proofs of concept. Strong Python skills and solid machine learning foundations - able to write clean, production-grade code with a firm grasp of system design principles. Cloud deployment experience across AWS, GCP or Azure, using modern engineering practices. ...