126 to 150 of 210 Clean Code Jobs in England

Senior Android Engineer (Contract) | Kotlin, Jetpack Compose, Coroutines, Flow | High-Traffic Consumer App | £400/day | Remote (UK) | Outside IR35

Hiring Organisation
Owen Thomas | B Corp™
Location
Ashton-Under-Lyne, Greater Manchester, United Kingdom
high-traffic consumer application used at scale. This is a hands-on role in a modern Android environment — ideal for engineers who care about clean architecture, performance, and shipping high-quality features without unnecessary process. The Role You’ll take ownership of feature delivery end-to-end — from shaping … large-scale Android app used by thousands/millions of users Working closely with product and design to make pragmatic technical decisions Writing clean, maintainable Kotlin code in a modern architecture Contributing to architectural direction (not just implementing tickets) Improving performance, reliability, and overall app quality Reviewing code ...

Full Stack Developer - PHP

Hiring Organisation
Connected IT
Location
Manchester, Lancashire, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £65,000 per annum
standards. Key responsibilities include: Developing and maintaining web applications, primarily using PHP (Symfony) Designing and implementing API integrations with internal and external systems Writing clean, maintainable, and secure code Troubleshooting and resolving application and integration issues Supporting and improving existing systems and services Participating in code reviews ...

Senior Software Engineer

Hiring Organisation
Applause IT Recruitment Ltd
Location
Crewe, Cheshire, United Kingdom
Employment Type
Permanent
systems. Responsibilities Develop and maintain applications using C# and .NET technologies Design microservices and integrate external APIs Enhance existing systems and troubleshoot issues Write clean, testable code (unit & integration testing) Participate in Agile ceremonies and code reviews Assist in task planning and technical decision-making Mentor junior ...

Java Software Developer

Hiring Organisation
Adria Solutions
Location
Cambridge, Cambridgeshire, East Anglia, United Kingdom
Employment Type
Permanent
Salary
£60,000
performance, stability, and scalability. Key Responsibilities Develop and maintain full-stack Java web applications Contribute to the design and implementation of new features Write clean, maintainable, and secure code Create and optimise database schemas and complex SQL queries Participate in Agile ceremonies and collaborative planning Support releases, deployments ...

Senior Python Engineer

Hiring Organisation
Espire Infolabs Limited
Location
London, United Kingdom
Employment Type
Permanent
features in the client's platform including data fields, parameters, and UI elements must have skills 5+ years of hands-on Python development, producing clean, maintainable, production-grade code Strong Azure experience : Azure DevOps, Docker, cloud deployment, Azure Functions or equivalent Proven track record designing and integrating REST … stakeholders good to have : Background in insurance, financial services, or another regulated industry MLOps or model deployment experience Familiarity with Power Apps or low-code platforms ...

Software Engineer Apprentice

Hiring Organisation
QA
Location
London, UK
Employment Type
Full-time
improve reliability and supportability Operations-driven software development: Help deliver small, well-scoped changes that improve platform stability, operability, and user experience Write clean, maintainable, and testable code in C#, F#, and TypeScript, supported by code reviews and pair programming Work closely with product, engineering, and integration ...

.NET Developer (AI)

Hiring Organisation
Reed
Location
Birmingham, West Midlands, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
implementing agentic AI workflows within business systems Integrating LLMs (e.g. Azure OpenAI) into production applications Creating automations and intelligent processes that drive efficiency Writing clean, maintainable, production-grade code Collaborating on architecture and technical decision-making Ensuring systems (including AI components) are reliable, auditable, and secure AI & Agentic ...

Platform Engineer (GCP)

Hiring Organisation
Hays
Location
Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£65,000
software development lifecycle Provide technical leadership and input into system and architecture design Collaborate with cross functional teams to deliver scalable, reliable solutions. Write clean, well documented code and contribute to technical documentation Proactively monitor, troubleshoot, and resolve production issues Continuously improve platform performance, security, and reliability Stay … Hands-on expertise with services such as: Compute Engine, GKE (Kubernetes), Cloud Storage VPC networking, IAM, Cloud Functions Proven experience with Infrastructure as Code (e.g., Terraform) Strong background in CI/CD pipeline design (e.g., Jenkins, GitLab CI, Cloud Build) Proficiency in scripting/programming (e.g., Python, Bash ...

Frontend React Developer

Hiring Organisation
Explore Group
Location
London Area, United Kingdom
into responsive, accessible and high‐performance user interfaces. Collaborate strategically with backend engineers, product owners and designers to deliver end‐to‐end solutions. Write clean, tested, maintainable code and set best‐practice standards for the front‐end. Optimize web performance, accessibility (WCAG), responsiveness, and the user experience. Participate … version control ( Git ), modern build tools and an eye for performance optimisation. Strong understanding of scalable front‐end architecture, responsive design, accessibility standards and code maintainability. Nice to Have Experience with server‐side rendering or static site generation (Next.js). Exposure to AI/ML integrations or advanced analytics ...

Senior Data Engineer

Hiring Organisation
Robert Half
Location
London, UK
Employment Type
Full-time
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 ...

Senior Data Engineer

Hiring Organisation
Robert Half
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £500 per day
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 ...

Mid-Level Software Engineer

Hiring Organisation
Oscar Associates (UK) Limited
Location
Leicester, Leicestershire, East Midlands, United Kingdom
Employment Type
Permanent
Salary
£50,000
full stack, taking ownership and making sure you are continuously proud in the SaaS product being delivered. As well as the commitment to writing clean and maintainable code, following top development practices, there will also be the opportunity to explore new technologies that move the business and your ...

UI Engineer

Hiring Organisation
McCabe & Barton
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£85,000
basis and take ownership of complex, enterprise-scale UI systems working at the intersection of design, engineering, and architecture. If you thrive on writing clean, scalable front-end code, enjoy collaborating with cross-functional teams, and want to make a real impact on products used by thousands … modular UI systems using Blazor integrated with .NET APIs. You will own the UI and integration layers at a systems and microservices level, applying clean architecture principles and delivering user experiences that are both visually polished and technically robust. You won't just be writing code ...

Senior Software Engineer

Hiring Organisation
The Portfolio Group
Location
City of London, London, Cathedrals, United Kingdom
Employment Type
Permanent
Salary
£65000 - £70000/annum
services and responsive user experiences using React, NextJS and NodeJS. What You'll Do Build and maintain scalable, secure applications, modern architectural patterns Write clean, test-driven code with a focus on performance and usability Collaborate across teams to deliver iterative improvements Lead on innovation and continuous delivery … What We're Looking For Proven experience working with React Strong understanding of microservices, CI/CD, and DevOps practices Confident writing performant frontend code Agile mindset with excellent communication skills Enthusiastic about solving problems and sharing knowledge Nice to Have: Experience with Drupal 7 Familiarity with serverless architectures ...

Android Developer

Hiring Organisation
scrumconnect ltd
Location
City, Newcastle Upon Tyne, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Kotlin and/or Java 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 Google Play ...

Android Developer

Hiring Organisation
scrumconnect ltd
Location
City, Newcastle Upon Tyne, United Kingdom
Employment Type
Permanent
Salary
GBP 47,000 Annual
Kotlin and/or Java 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 Google Play ...

React / React Native Developer

Hiring Organisation
Rise Technical Recruitment
Location
Spalding, Lincolnshire, United Kingdom
Employment Type
Permanent
mobile applications using React Native, while also being capable of supporting, designing and developing the web through React. A primary focus will be implementing clean and scalable code using TypeScript and JavaScript, integrate REST APIs and native modules, while contributing to planning and code reviews, and ensure … staff. The Role Design and maintain cross-platform applications using React for web development and React Native for Mobile. Implement secure and scalable code using TypeScript/JavaScript. Ensure security by adhering to mobile security standards and best practices. Use Git workflows and CI/CD in an agile ...

Web Developer

Hiring Organisation
IT Talent Solutions
Location
Basildon, Essex, United Kingdom
Employment Type
Permanent
Salary
£40000 - £50000/annum Hybrid Working Model
integrating REST APIs and working with JSON data Collaborating with developers, designers and business stakeholders Improving performance, security and usability across platforms Writing clean, efficient code following best practices What we’re looking for Around 5+ years’ experience in web development (or equivalent capability) Strong skills in C# ...

Senior Salesforce Developer - Service Could - Experience Cloud - Marketing Cloud - Apex - LWC

Hiring Organisation
Nexere Consulting Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 80,000 - 95,000 Annual
improvement. Key Responsibilities Salesforce Development Design and deliver scalable, high-performance Salesforce solutions. Build and configure functionality across Service Cloud and Marketing Cloud. Write clean Apex code and use declarative tools to meet business needs. Complete unit testing, documentation, and support system testing. Collaboration & Stakeholder Engagement Work with ...

Senior C# / .NET Developer - Risk & Financing Platforms

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £650 per day
/.NET services that underpin risk, collateral, and securities-financing platforms Building and integrating RESTful APIs to connect with upstream and downstream systems Delivering clean, maintainable, object-oriented code aligned with engineering best practices Supporting risk-related workflows, including exposure calculations, limits monitoring, and reporting Working with large … with C# and modern .NET frameworks Background in Financial Services technology, ideally within risk, financing, or trading environments Strong grounding in object-oriented design, clean coding practices, and scalable architecture Proven ability to design, build, and integrate RESTful APIs Solid experience working with SQL databases and optimising data-driven ...

Senior Android Developer

Hiring Organisation
Auxo Talent
Location
London Area, United Kingdom
develop robust, scalable, and maintainable Android applications Lead feature development from concept to release Collaborate with Product Managers, Designers, and Backend Engineers Write clean, testable, and efficient code following best practices Conduct code reviews and mentor junior developers Continuously improve app performance, quality, and user experience Stay … Experience 5+ years of experience in Android development Strong proficiency in Kotlin (and solid knowledge of Java) Experience with modern Android architecture patterns ( MVVM, Clean Architecture ) Deep understanding of Android SDK, Jetpack components, and app lifecycle Experience with RESTful APIs and third-party integrations Familiarity with testing frameworks (JUnit ...

Lead Full Stack Developer

Hiring Organisation
Oscar Associates (UK) Limited
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent
Salary
£85,000
Drive a key front-end migration project to deliver a cleaner, faster, and more scalable user experience. Define and uphold best engineering practices, performing code reviews and ensuring high-quality, maintainable code. Mentor and support junior and mid-level developers, fostering collaboration and growth across the team. Ensure performance … with React, TypeScript, Java, Spring, and Hibernate Knowledge of RESTful APIs, SQL, and front-end tooling (Redux, React Query, testing frameworks) A passion for clean architecture, reusable code, and exceptional user experience Why join: You'll be joining an established technology business operating on a global scale, working ...

Senior Python Software Engineer

Hiring Organisation
Spencer Rose Ltd
Location
Watford, Hertfordshire, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 - 75,000 Annual
platforms. This role suits someone comfortable working on real-world, always-on systems where reliability, performance, and clear engineering judgement matter as much as clean code. The business is pleased to offer this role on a hybrid basis with a non-negotiable 3 days in office; therefore, you must … shaping the roadmap. Contribute to best practices and engineering standards across the wider engineering organization. Participate in modern software development practices including pairing, code reviews, documentation reviews, testing, and continuous delivery. Translate requirements into implementable technical specifications and tasks. Maintain accurate and reliable technical documentation. Provide regular updates ...

Software Developer

Hiring Organisation
Hales Group
Location
IP33 1BJ, Bury St Edmunds, Suffolk, United Kingdom
Employment Type
Permanent
Salary
£45000/annum
modern JavaScript/TypeScript frameworks. Collaborate with product owners, QA teams, and fellow developers to refine requirements and deliver high‑quality features. Write clean, maintainable, and efficient code in line with industry standards and best practices. Troubleshoot, debug, and enhance existing applications to improve performance and reliability. Participate … code reviews, sprint ceremonies, and agile development processes. Contribute to technical documentation, including architecture, API references, and workflow details. Stay current with emerging technologies and front‑end development trends. Requirements Experience in software development Strong understanding of React Hooks, state management tools, and form-handling libraries Solid grasp ...

NET developer

Hiring Organisation
Tank Recruitment
Location
Preston, Lancashire, United Kingdom
Employment Type
Permanent
maintain applications using .NET (C#, ASP.NET, .NET Core/.NET 6+) Design and optimize SQL Server databases, stored procedures, views, and functions Write clean, maintainable, and efficient code following best practices Participate in code reviews and contribute to technical discussions Debug and resolve application issues and performance ...