9 of 9 Contract Clean Code Jobs in England

Senior Non-Functional Test Engineer - Active SC Clearance - Inside IR35

Hiring Organisation
Intelligent Resourcing Solutions Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 450 - 500 Annual
eliminate flaky tests. Test Framework Engineering, CI/CD & Agile Delivery Design, develop, maintain and troubleshoot reusable API, UI and performance automation frameworks. Apply clean code principles, appropriate design patterns and automation engineering best practices. Integrate automated API, UI and performance tests into CI/CD pipelines using … quality gates within software delivery pipelines. Work closely with developers, DevOps engineers, architects and testers in multidisciplinary Agile teams. Participate in technical design discussions, code reviews, defect investigations and continuous improvement. Provide hands-on technical guidance, mentoring and knowledge sharing while remaining directly involved in automation development. Mandatory Skills ...

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 ...

Java Developer

Hiring Organisation
DCV Technologies
Location
Halifax, Calderdale, West Yorkshire, United Kingdom
Employment Type
Contract
using Java and Quarkus. · Develop responsive, accessible and reusable user-interface components using React. · Build reliable and maintainable RESTful APIs and integration services. · Apply clean-code principles, recognised design patterns and modular software-design practices. · Produce code that is readable, testable, secure and suitable for long-term … maintenance. · Perform code reviews and provide constructive technical feedback to engineering colleagues. · Diagnose and resolve complex application, integration and performance issues. · Maintain appropriate technical documentation, including application designs, API specifications, deployment instructions and operational support information. ...

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 ...

Senior Java Engineer

Hiring Organisation
Forward Role
Location
Manchester, North West, United Kingdom
Employment Type
Contract
doing Building event-driven services and integrations on Kafka Deploying and running services on AWS, working closely with DevOps on infrastructure and pipelines Writing clean, tested, production-ready code, and setting the standard through code review Working directly with product and engineering leads to turn requirements into … relational databases (PostgreSQL or similar) Solid testing discipline: JUnit, Mockito, integration testing (Testcontainers a plus) CI/CD, Docker, and comfort with infrastructure-as-code (Terraform or CloudFormation) Previous contract experience, landing quickly and delivering on a new build Hands-on use of AI-assisted development in your daily ...

iOS Developer

Hiring Organisation
Sanderson Government and Defence
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £420 per day + Inside IR35
into robust application functionality. Contribute to application architecture and technical design decisions. Integrate mobile applications with RESTful APIs and backend services. Software Engineering Write clean, maintainable, and testable code following industry best practices. Perform code reviews and provide constructive technical feedback. Troubleshoot, debug, and resolve application defects. … UIKit Xcode Experience developing applications for iPhone and iPad devices. Understanding of Apple Human Interface Guidelines (HIG). Mobile Architecture Experience implementing: MVVM MVC Clean Architecture Knowledge of dependency injection patterns. Understanding of reusable component-based development. API & Data Integration Experience consuming RESTful APIs. JSON parsing and data mapping. ...

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 ...

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 ...

Mobile Android & iOS Engineer

Hiring Organisation
Ixceed Solutions Ltd
Location
Burgess Hill, Sussex, United Kingdom
Employment Type
Contract
Contract Rate
GBP 270 - 320 Daily
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 ...