1 to 25 of 36 Contract Clean Code Jobs in England

Full-Stack Developer - Inside IR35 - Remote

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£250 - £350 per day
workflows. Collaborate closely within Agile teams, participating in pair programming, peer reviews, and continuous improvement practices. Contribute to good engineering culture through documentation, clean code, and technical transparency. Required Technical Skills C# Full Stack .NET developer with strong experience in: SQL Server SQL Server Reporting Services (SSRS) ASP.NET … Playwright and PyTest Experience with reporting and BI tools (e.g., Power BI, Tableau) Familiarity with Agile delivery practices and ceremonies Strong general engineering discipline: clean code, documentation, maintainability To apply for this role please submit your CV or contact Dillon Blackburn on or at . Tenth Revolution Group ...

Full-Stack Developer - Inside IR35 - Remote

Hiring Organisation
Tenth Revolution Group
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£250 - £350/day
workflows. Collaborate closely within Agile teams, participating in pair programming, peer reviews, and continuous improvement practices. Contribute to good engineering culture through documentation, clean code, and technical transparency. Required Technical Skills C# Full Stack .NET developer with strong experience in: SQL Server SQL Server Reporting Services (SSRS) ASP.NET … Playwright and PyTest Experience with reporting and BI tools (e.g., Power BI, Tableau) Familiarity with Agile delivery practices and ceremonies Strong general engineering discipline: clean code, documentation, maintainability To apply for this role please submit your CV or contact Dillon Blackburn on (phone number removed ...

Back End Developer

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £450/day
/LLM concepts (e.g., prompt engineering, RAG). Analytical mindset for assessing sufficiency (relevance, completeness, freshness) and mitigating risks like hallucinations. Focus on Clean Architecture and Clean Code principles. Familiarity with Enterprise Design Thinking or Agile methodologies. Knowledge of code quality tools (e.g., linters, etc. ...

React JS Developer

Hiring Organisation
eTeam Workforce Limited
Location
Knutsford, Cheshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 358 Daily
teams to integrate APIs and services into web applications. UI/UX Collaboration: Partner with designers to deliver intuitive and visually appealing interfaces. Code Quality: Maintain clean, efficient code and conduct thorough testing for stability and security. Agile Delivery: Participate in sprint planning, daily stand ...

Senior Applications Developer

Hiring Organisation
4 RECRUITMENT SERVICES LTD
Location
Ingatestone, Essex, South East, United Kingdom
Employment Type
Contract
Contract Rate
£500 per day
outcomes across Essex. What You'll Do Lead the development of high-quality, reusable, and accessible software components. Oversee and mentor developers in writing clean, open-by-default code. Deliver software through all stages of the product lifecycle, ensuring alignment with user needs, budget, and delivery timelines. Continuously iterate ...

Python Engineer

Hiring Organisation
Bloc Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£475 per day
frontend applications and customers. You'll bring strong Python skills, experience with microservices and data ingestion/ETL pipelines , and an eye for clean, maintainable code. Familiarity with AI-assisted dev tools (GitHub Copilot, Cursor, Windsurf, Devin) is a plus — we encourage using them to boost developer velocity … implement robust, scalable backend services in Python Own and improve data ingestion & processing pipelines Advocate for software best practices (testing, CI/CD, clean code) Integrate APIs and third-party services Mentor teammates and share knowledge What we're looking for 5–7+ years' experience building production software ...

Java Developer/Angular

Hiring Organisation
Gazelle Global Consulting Ltd
Location
Manchester, North West, United Kingdom
Employment Type
Contract
Step Functions, S3, DynamoDB TDD, unit testing with Jest/Jasmine End to end testing with Playwright They are looking for someone who writes clean code, follows standards, works well across teams and has a strong DevOps and Agile mindset. ...

Full Stack Developer

Hiring Organisation
Gazelle Global Consulting Ltd
Location
Manchester, North West, United Kingdom
Employment Type
Contract
Contract Rate
Up to £400 per day
Step Functions, S3, DynamoDB TDD, unit testing with Jest/Jasmine End to end testing with Playwright They are looking for someone who writes clean code, follows standards, works well across teams and has a strong DevOps and Agile mindset. ...

DevOps Software Engineer

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Southampton, Hampshire, Kings Worthy, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £680/day
site Duration: 6 months Clearance: SC Clearance required You will join a consultancy delivering digital transformation to the MoD. Areas of Responsibility: Writing clean, secure code following a test-driven approach Create code that is open by default and easy for others to reuse Translate logical designs ...

DevOps Software Engineer

Hiring Organisation
Matchtech
Location
Romsey, Hampshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
contract basis. This exciting opportunity will involve working with cutting-edge technologies to develop innovative solutions for national security. Key Responsibilities: Writing clean, secure code following a test-driven approach Creating code that is open by default and easy for others to reuse Translating logical designs into ...

DevOps Engineer

Hiring Organisation
LA International Computer Consultants Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 380 - 400 Daily
platform and support them through build, deployment, and ongoing operations. The role needs someone who understands how things work end-to-end - from code to production - and can work confidently across pipelines, infrastructure, and cloud environments. What you'll do * Build, maintain, and improve CI/CD pipelines … real production services (not just PoCs or demo flows). * Write and manage Infrastructure as Code using Terraform, including modules, multi-environment setups, and troubleshooting. * Deploy and operate microservices on AWS using container services such as ECS/Fargate, with a good understanding of how services run in different ...

Net Software Engineer

Hiring Organisation
Brio Digital
Location
Leeds, West Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£500/day
Build and maintain robust APIs and web applications using .NET and React Collaborate with cross-functional teams to deliver modern, Azure-hosted solutions Develop clean, testable, and maintainable code across the full stack Integrate with complex healthcare data systems and APIs Support continuous improvement across architecture, tooling ...

Machine Learning Engineer

Hiring Organisation
mthree
Location
EC4M, Old Bailey, Greater London, United Kingdom
Employment Type
Permanent, Contract
Programming & Tools : Expert-level Python programming Proficiency with ML frameworks (PyTorch, TensorFlow, JAX) Experience with scikit-learn, XGBoost, LightGBM Strong software engineering practices and clean code principles Data & Computing : Experience with big data technologies (Spark, Dask) SQL and NoSQL databases Cloud platforms (AWS, GCP, Azure) Experience Track record ...

Software Engineer - SC Cleared

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Woking, Surrey, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £680/day
site Duration: 6 months Clearance: SC Clearance required You will join a consultancy delivering digital transformation to the MoD. Areas of Responsibility: Writing clean, secure code following a test-driven approach Create code that is open by default and easy for others to reuse Translate logical designs ...

Software Engineer - SC Cleared

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Southampton, Hampshire, Kings Worthy, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £680/day
site Duration: 6 months Clearance: SC Clearance required You will join a consultancy delivering digital transformation to the MoD. Areas of Responsibility: Writing clean, secure code following a test-driven approach Create code that is open by default and easy for others to reuse Translate logical designs ...

AI Engineer (RAG) - Contract - 6 months - London - Outside IR35

Hiring Organisation
Robson Bale Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
architectures. Build and enhance Python-based services and components to support AI and data-driven workflows. Apply strong software engineering principles to produce clean, maintainable, and scalable code. Collaborate with engineers and stakeholders to translate requirements into robust technical implementations. Support deployment, monitoring, and operational aspects of solutions using ...

Java Developer

Hiring Organisation
Lorien
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
teams to deliver high-quality features in iterative releases. Contribute to performance tuning, resilience testing, and SLAs/SLOs for Real Time processing. Write clean, testable code with unit, integration, and contract tests; participate in code reviews. What you'll bring Strong core Java skills (collections, concurrency … HSMs, tokenisation. Background in performance engineering (JMH, Gatling, k6) and chaos/resilience testing. Cloud experience (AWS/GCP/Azure) and infrastructure-as-code (Terraform/Ansible). Domain experience in card acquiring, issuer processing, merchant services, AML/fraud, or risk engines. IND_PC3 Guidant, Carbon60, Lorien ...

Java Developer

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
teams to deliver high-quality features in iterative releases. Contribute to performance tuning, resilience testing, and SLAs/SLOs for real-time processing. Write clean, testable code with unit, integration, and contract tests; participate in code reviews. What you'll bring Strong core Java skills (collections, concurrency … HSMs, tokenisation. Background in performance engineering (JMH, Gatling, k6) and chaos/resilience testing. Cloud experience (AWS/GCP/Azure) and infrastructure-as-code (Terraform/Ansible). Domain experience in card acquiring, issuer processing, merchant services, AML/fraud, or risk engines. IND_PC3 Guidant, Carbon60, Lorien ...

Full-Stack Software Developer

Hiring Organisation
Sanderson Government and Defence
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £520 per day
Spring Boot Develop scalable APIs Optimise SQL for large datasets Work with DevOps on Docker and AWS deployments Shape architecture and technical direction Write clean, tested code and review others' work What You'll Bring Expert Java (8/11/17+) Deep Spring Boot & microservices experience Strong ...

Full-Stack Software Developer

Hiring Organisation
Sanderson
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£520 per day
Spring Boot Develop scalable APIs Optimise SQL for large datasets Work with DevOps on Docker and AWS deployments Shape architecture and technical direction Write clean, tested code and review others' work What You'll Bring Expert Java (8/11/17+) Deep Spring Boot & microservices experience Strong ...

Lead Full Stack Software Developer

Hiring Organisation
Brightbox GRP Ltd
Location
Newcastle Upon Tyne, Tyne and Wear, North East, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £600 per day
supporting their professional growth. Take an active role in the full development lifecycle, including stand-ups, estimations, sprint planning, and refining the backlog. Write clean, maintainable code with a strong focus on automated testing at both unit and integration levels. Review code from peers and provide constructive ...

Lead Market Data Developer - Commodities

Hiring Organisation
Harvey Nash
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£1,000 - £1,200 per day
data or data management system components. Deep understanding of ETL/ELT workflows, data warehousing, and handling EOD/tick data. Strong engineering discipline-clean, testable, standardised code. Good knowledge of schema design and modern deployment/automation practices. Familiarity with Zema, Docker, and containerised environments is advantageous. Experience ...

Senior Python Software Engineer (Data & Time-Series Focus)

Hiring Organisation
KBC Technologies UK LTD
Location
Leeds, West Yorkshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
focused on data and time-series processing Perform data cleaning, preprocessing, transformation, and analysis using industry-standard libraries Write modular, reusable, and well-documented code following best practices Collaborate with cross-functional teams to gather requirements and deliver robust solutions Contribute to code reviews, testing strategies, and continuous … missing values Grouping, merging, pivoting, and aggregations Working with SQL for data access and analysis Software Engineering Best Practices Version control using Git Writing clean, modular, and reusable code Unit testing (e.g., pytest ) Code documentation and effective use of docstrings Use of linters and formatters to maintain ...

Node.JS Developer (SC Cleared)

Hiring Organisation
Sanderson Government and Defence
Location
Corsham, Wiltshire, South West, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£500 - £550 per day + Inside IR35
collaborative agile team delivering scalable solutions that support national security objectives. Key Responsibilities Develop and maintain back-end services using Node.js and Express.js Write clean, testable, and efficient code following best practices Ensure systems are secure, scalable, and compliant with defence standards Participate in code reviews, sprint ...

Node.JS Developer

Hiring Organisation
Sanderson Government and Defence
Location
Corsham, Wiltshire, South West, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£500 - £550 per day + Inside IR35
collaborative agile team delivering scalable solutions that support national security objectives. Key Responsibilities Develop and maintain back-end services using Node.js and Express.js Write clean, testable, and efficient code following best practices Ensure systems are secure, scalable, and compliant with defence standards Participate in code reviews, sprint ...