18 of 18 Contract Clean Code Jobs in England

Junior Python Developer

Hiring Organisation
Square One Resources
Location
England, United Kingdom
Employment Type
Contract
Contract Rate
GBP 150 - 175 Daily
deployment and scalability. Participate in full software development life cycle activities including planning, coding, testing, debugging, and deployment. Write comprehensive unit tests to ensure code quality and maintainability across all projects. Work closely with Front End developers utilizing Angular, React, or Vue.js to create cohesive user experiences using HTML … JavaScript, and TypeScript. Maintain version control using Git or SVN, document code changes thoroughly, and adhere to SDLC (Software Development Life Cycle) standards. Qualifications: Proven experience in Python development with a strong understanding of Object-Oriented Programming (OOP) principles. Familiarity with web frameworks such as Django or Flask ...

Tech Lead - £485 Inside IR35 - Leeds (Hybrid)

Hiring Organisation
Exalto Consulting
Location
Leeds (Hybrid), West Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£455 - £485/day Up to £455 Inside IR35
into technical solutions. Contribute to modern front-end applications using React, Angular or similar technologies . Build and deploy solutions within AWS environments. Champion clean, secure and maintainable engineering practices. Drive automated testing using Jest, Playwright or similar tools . Support CI/CD and automated deployment using GitHub … Actions . Conduct code reviews, mentor engineers and influence technical decisions. Take solutions through the full lifecycle from design and development to testing and production deployment. Key Skills & Experience We are looking for candidates with strong experience in: TypeScript and Node.js Technical leadership/Lead Developer experience AWS RESTful ...

Senior Backend Engineer (Java)

Hiring Organisation
Randstad Technologies Recruitment
Location
Manchester, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £500/day Inside IR35 via Umbrella
modern AI tooling (Claude and Codex) to accelerate delivery. You'll work cross-functionally with product managers, frontend engineers, and platform teams while elevating code quality and mentoring fellow engineers. Core Responsibilities Architecture & API Design: Build and maintain scalable, fault-tolerant backend microservices and REST APIs. Technical Leadership: Lead … establish engineering best practices. System Operations & Reliability: Troubleshoot complex production issues, conduct root-cause analysis, and enhance observability, logging, and performance. Delivery & Quality: Write clean, testable Java code, conduct constructive code reviews, and drive automated testing (unit, integration, and E2E). DevOps & Collaboration: Partner with infrastructure teams ...

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 ...

Biometric Developer - SC Cleared - Remote Working

Hiring Organisation
LA International Computer Consultants Ltd
Location
England, United Kingdom
Employment Type
Contract
Contract Rate
GBP 400 - 420 Daily
experience. - Oracle DB and AWS DynamoDB experience. - OAuth and Red Hat SSO knowledge. - Strong automated testing experience using Java testing frameworks. - Strong understanding of clean coding and secure software engineering. - Experience working within Agile multidisciplinary delivery teams. - Biometric, identity management or identity verification experience would be advantageous. - Government, immigration ...

Full Stack Java And React Developer

Hiring Organisation
Teksystems
Location
West Midlands, United Kingdom
Employment Type
Contract, Work From Home
with the Data Sharing Hub. Collaborate with other engineers and stakeholders to deliver new functionality. Troubleshoot application issues and contribute to continuous improvement. Write clean, maintainable and scalable code. Key Skills & Experience Around 45 years of commercial software engineering Experience . Strong hands-on Java development Experience. Strong Experience ...

Java Developer

Hiring Organisation
Denizns Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400/day
Design, develop and deploy RESTful and SOAP microservices using Spring Boot Work with cross-functional teams to analyse requirements and deliver features Write clean, well-documented code following SOLID principles Carry out unit and integration testing and build automated test suites Take part in code reviews ...

Kotlin DevOps Engineer (Google Cloud Platform)

Hiring Organisation
AMS CWS
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Extreme Programming (XP) practices, including mob programming, test first development and continuous refactoring working closely as a team to maintain a high standard of code quality and system reliability. What you'll do: Design, develop, and maintain scalable backend services using Kotlin, delivering high-quality, resilient solutions … event driven architecture. Deep experience withXP practices, including: Mob programming as a primary way of working Test-driven development (TDD) Continuous refactoring and clean code discipline Cloud experience, ideallyGCP (Google Cloud Platform) including designing, deploying and operating cloud-native solutions using services such as: GKE and/ ...

Software Engineer

Hiring Organisation
Randstad Technologies Recruitment
Location
Manchester, United Kingdom
Employment Type
Contract
Contract Rate
£55 - £62/hour
between business needs and technical execution. A product-minded approach: you care just as much about the customer experience as you do about clean code. Ready to make an impact? Apply today with your updated resume at Prasanna . merugu @ randstaddigital . com Randstad Technologies is acting ...

Next.js / NestJS Engineer, Claude

Hiring Organisation
Interact Consulting Limited
Location
Manchester, North West, United Kingdom
Employment Type
Contract, Work From Home
tools to accelerate development and problem-solving. Helping shape pragmatic technical decisions across the frontend, backend and mobile stack. Contributing to a clean, maintainable and scalable codebase during a short, focused engagement. What we're looking for Strong commercial experience as a JavaScript or TypeScript Engineer. Excellent hands ...

Senior Frontend Developer

Hiring Organisation
Rullion Managed Services
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£650/day
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 … 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 ...

Senior iOS Developer - Banking - London

Hiring Organisation
Salt
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £475 per day
optimise innovative iOS features and products. This is an excellent opportunity for an engineer who enjoys solving complex technical challenges, contributing ideas, and writing clean, maintainable code in a fast-paced environment. What You'll Be Doing Developing and maintaining high-quality iOS applications. Designing and delivering … mobile features and enhancements. Writing clean, scalable, and testable code. Identifying, troubleshooting, and resolving software defects. Driving performance optimisation and application stability improvements. Collaborating closely with cross-functional teams including Product, Design, QA, and Engineering. Contributing to CI/CD pipelines and development best practices. Participating in solution design ...

Scala Data Engineer - Contract - SC Clearance - London

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£530 - £580/day insideIR35
highly available backend services and APIs supporting fraud detection and data integrity. Responsibilities: * Design and develop scalable, secure and low-latency backend services. * Develop clean, testable Scala code and REST APIs. * Work with databases and AWS services. * Improve and modernise existing applications and services. * Collaborate with product owners ...

Python Developer

Hiring Organisation
Alexander Mann Solutions - Contingency
Location
London, United Kingdom
Employment Type
Contract
developing Python-based solutions while working closely with client teams across a variety of industries. Key Responsibilities: Develop and maintain Python applications using clean, scalable, and reusable code. Build RESTful APIs with FastAPI , including API endpoints, request/response validation, authentication, and error handling. Design and optimize SQL queries … test, and troubleshoot applications , identifying and resolving performance, functionality, and production issues. Collaborate with developers and business teams to understand requirements, implement features, review code, and maintain technical documentation. Requirements: Strong Python development experience. FAST API Experience SQL Experience JavaScript Experience (Desirable) Comfortable working in a consulting environment. ...

IOS Engineer

Hiring Organisation
Randstad Technologies Recruitment
Location
Manchester, United Kingdom
Employment Type
Contract
Contract Rate
£43 - £84/hour Negotiable
maintain, and scale high-impact native iOS features. You'll work on short development cycles, integrate backend-driven UI solutions, and ship production-ready code with minimal onboarding. Key Responsibilities Develop native iOS features from technical design to release using Swift, SwiftUI, and UIKit . Integrate REST/GraphQL … APIs and work with backend-driven UI architectures. Write clean, testable code, maintain unit tests, and debug production issues. Monitor app stability using crash reporting and observability tools. Key Requirements Good years of professional iOS development experience. Strong proficiency in Swift, SwiftUI, and UIKit interoperability . Hands ...

Android Engineer

Hiring Organisation
Square One Resources
Location
Burgess Hill, Sussex, United Kingdom
Employment Type
Contract
Contract Rate
GBP 300 - 345 Daily
development life cycle. You'll be involved in: Building, developing and improving Android applications Designing solutions for open-ended and technically challenging problems Writing clean, maintainable and well-tested code Finding, diagnosing and fixing bugs Performance analysis and optimisation Working with modern Android development methodologies Working with existing … Legacy code Developing unit and integration tests Working with Continuous Integration and modern development practices Collaborating closely with designers, product owners, QA and other engineers Integrating applications with Back End services and REST APIs Working within a globally distributed engineering environment Contributing ideas and helping the team continuously improve ...

Mobile Android & iOS Engineer

Hiring Organisation
Ixceed Solutions Ltd
Location
Burgess Hill, West Sussex, South East, United Kingdom
Employment Type
Contract
Contract Rate
From £270 to £320 per day
Responsibilities Design, develop, test, and maintain high-quality mobile applications for Android or iOS. Develop clean, scalable, and maintainable code following industry best practices. Integrate REST APIs, third-party SDKs, payment gateways, analytics, and other external services. Collaborate with product managers, UI/UX designers, backend developers … engineers. Debug issues, identify performance bottlenecks, and implement appropriate solutions. Participate in code reviews and contribute to improving development standards. Ensure applications are secure, responsive, and optimized for different devices and screen sizes. Write unit and integration tests where applicable. Troubleshoot production issues and provide timely fixes. Stay updated ...

Applied AI Scientist

Hiring Organisation
Guidant Global
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £800 per day
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 ...