176 to 200 of 220 Clean Code Jobs in England

Product Engineer

Hiring Organisation
Metris Energy
Location
London, England, United Kingdom
everyone’s job. What you bring Strong engineering fundamentals. We move fast but we don’t ship rubbish. You write clean, maintainable code and you care about getting the details right — from data modeling to error handling to deployment. A product mindset. You think about what … keep up. Why Join? Join an exciting, high performing team that values substance over theatre Massive ownership and impact from day one — your code ships to real customers running real energy infrastructure Work on technically challenging systems with real-world environmental impact — data ingestion, scalability, AI-driven intelligence Competitive ...

Principal Data Engineer (Head of Data)

Hiring Organisation
Halian | Managed Services, Recruitment Agency & Contract Staffing
Location
South East, England, United Kingdom
/BigQuery Proven ability to work across both legacy systems and modern cloud environments Key Skills DevOps mindset – you automate wherever possible and write clean, testable code Pragmatic approach – focused on delivering value without overengineering Strong communicator – confident engaging with stakeholders across the business Why Apply? High-impact ...

Java Developers x 2 (Guildford)

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Guildford, Surrey, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £525/day
innovative geospatial solutions using modern cloud technologies. You'll work across the full software development lifecycle, designing and developing scalable cloud-based applications, writing clean, maintainable code, and ensuring quality through testing and best practices. Alongside contributing to code reviews and reusable solutions, you'll collaborate closely ...

Java Developers x 2 (Newcastle)

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Newcastle upon Tyne, Tyne and Wear, Tyne & Wear, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £525/day
innovative geospatial solutions using modern cloud technologies. You'll work across the full software development lifecycle, designing and developing scalable cloud-based applications, writing clean, maintainable code, and ensuring quality through testing and best practices. Alongside contributing to code reviews and reusable solutions, you'll collaborate closely ...

C++ Developer

Hiring Organisation
Pure Talent Group
Location
DE1 2RU, Derby, Derbyshire, United Kingdom
Employment Type
Permanent
Salary
£25000 - £38000/annum
high-quality releases. A key part of the role involves translating and refactoring JavaScript game logic into modern C++, ensuring strong performance, stability and clean, maintainable code. Key Responsibilities Develop game features using modern C++ (C++20 and C++23) Convert JavaScript logic into efficient C++ implementations Debug, profile and optimise … performance Write clear, testable and well-documented code Contribute to code reviews and team collaboration Deliver work within agreed timelines Required Skills & Experience Proven commercial experience in C++ development (modern C++/Versions C++20 and C++23) Experience developing games or interactive applications Strong understanding of asynchronous programming (e.g. ...

Java Engineer – Buyside FX Trading Systems

Hiring Organisation
Albert Bow
Location
City of London, London, United Kingdom
Java Engineer to join a small, elite engineering team inside a buyside FX trading firm building proprietary systems that directly trade capital. Your code won’t feed dashboards or client portals — it will sit at the heart of a live trading engine, influencing execution, performance, and real P&L. … production trading environment. Who This Is For We’re looking for a junior–mid level Java engineer who can: Pick up tickets independently Write clean, production‐ready code Deliver without constant oversight This is not a senior or architectural role — you won’t own trading logic or redesign ...

Scala Developer

Hiring Organisation
Teksystems
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £900/day
based platforms. Apply functional programming principles and Domain-Driven Design (DDD) to create maintainable, testable, and well-structured codebases. Participate actively in Agile ceremonies, code reviews, and continuous improvement initiatives to enhance delivery quality and team effectiveness. Essential Skills Strong proficiency in Scala development with a focus on writing … clean, efficient, and reliable code. Solid experience with functional programming principles and their practical application in production systems. Hands-on experience designing and building high-performance, distributed systems. Practical understanding of high-performance system patterns, including event-driven and low-latency architectures. experience working within Agile delivery teams ...

Front-End Developer (React) - VISA SPONSORSHIP

Hiring Organisation
Spectrum Search
Location
Nottingham, UK
immediately make an impact. What you’ll do Develop and maintain responsive web apps, with a focus on React. “Appify” complex web dashboards into clean, intuitive user experiences. Collaborate with backend engineers to deliver new features and fix issues quickly. Work across solicitor dashboards, CRM modules, and other internal … apps. Ensure clean, scalable code and efficient performance. What we’re looking for Strong React experience (hooks, state management, modern best practices). Experience building responsive applications and dashboards. Strong knowledge of web fundamentals (HTML, CSS, JavaScript/TypeScript). Bonus: experience turning web dashboards into app-like ...

PHP Developer

Hiring Organisation
Get Recruited (UK) Ltd
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent
Salary
£40,000
role where you just pick up tickets and move on. You'll be expected to think about how the system hangs together, improve existing code, and help keep things stable as changes are made. What We're Looking For Solid experience working with PHP at a mid or senior … accurate and performs well Keeping systems secure, stable, and easy to audit Investigating and fixing issues in live environments without causing disruption Writing clean, readable code that others can easily work with Getting involved in code reviews and general improvements Supporting less experienced developers when needed ...

Front End Game Developer

Hiring Organisation
1X2 Network
Location
Brighton, England, United Kingdom
within the iGaming industry. Key Responsibilities: Design, develop, and maintain high-quality HTML5 slot and casino games using PixiJS and/or Phaser.js. Write clean, maintainable, and efficient code using JavaScript (ES6+) and TypeScript. Enhance and extend our award-winning codebasewith new features, animations, and game mechanics. Maintain … Mathematicians to deliver polished, engaging slot experiences. Ensure performance optimisation across devices and browsers. Follow best practices for version control (Git/Bitbucket) and code documentation. Collaborate in an Agile development environment and contribute ideas during design and sprint planning sessions. Guarantee compliance with industry standards and technical certification ...

Flutter Developer

Hiring Organisation
Addition
Location
Milton Keynes, England, United Kingdom
Doing: Develop and enhance mobile applications using Flutter across key platforms Collaborate closely with cross-functional teams to deliver new features and improvements Write clean, scalable, and maintainable code with a strong architectural mindset Take ownership of your work, from planning through to delivery Contribute to technical discussions … mobile development (iOS/Android) or similar strongly typed languages Solid understanding of mobile architectures (e.g. MVVM, MVP) Experience building scalable, testable applications with clean design patterns Hands-on experience with UI development, design systems, and tools like Figma Good knowledge of testing approaches (unit, integration, UI testing) Familiarity ...

Software Engineer

Hiring Organisation
X4 Technology
Location
Essex, England, United Kingdom
part of an ambitious and evolving digital roadmap. What you’ll be doing: Designing, developing, and maintaining web applications from the ground up Writing clean, efficient, and scalable code using best practices Collaborating with designers, developers, and business stakeholders Building and integrating REST APIs Improving and enhancing existing ...

Senior Salesforce Developer

Hiring Organisation
Savant Recruitment Experts
Location
London, UK
scalability and performance. Configure and develop solutions across Salesforce Service Cloud and Experince Cloud Estimate Jira stories accurately and deliver robust, well-tested code in line with agreed timelines. Write clean, efficient Apex code and utilize Salesforce’s declarative tools to meet business needs. Conduct unit testing … document results, and contribute to system testing cycles. Maintain and enhance CI/CD pipelines using tools such as GitHub, ensuring seamless code deployment and version control. Review and manage the impact of Salesforce seasonal releases, including system updates and regression testing. Essential Skills and Experience Significant hands ...

Wordpress Developer

Hiring Organisation
Itineris
Location
Shoreditch, Somerset, UK
digital experiences. What You’ll Be Doing Developing custom WordPress themes and plugins Maintaining and enhancing existing WordPress sites Translating designs and requirements into clean, efficient code Ensuring performance, security, scalability, and accessibility best practices Troubleshooting issues and providing ongoing technical support Collaborating with cross‐functional teams ...

Wordpress Developer

Hiring Organisation
Itineris
Location
Shoreditch, England, United Kingdom
digital experiences. What You’ll Be Doing Developing custom WordPress themes and plugins Maintaining and enhancing existing WordPress sites Translating designs and requirements into clean, efficient code Ensuring performance, security, scalability, and accessibility best practices Troubleshooting issues and providing ongoing technical support Collaborating with cross‐functional teams ...

API Engineer

Hiring Organisation
Halian Technology Limited
Location
Warwick, Warwickshire, West Midlands, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£60,000
party integrations Build production-grade APIs using C# .NET, SQL, and Azure services Implement authentication and authorization using OAuth and modern security patterns Write clean, maintainable, well-tested code with comprehensive documentation Implement logging, monitoring, and error handling for production APIs Optimize API performance and query efficiency Work ...

Junior Site Reliability Engineer

Hiring Organisation
RevTech
Location
London Area, United Kingdom
Strong Linux administration and troubleshooting experience Experience building and maintaining CI/CD pipelines Strong Terraform experience, including designing reusable modules Ability to write clean, maintainable production-quality code in Python or Bash Solid networking knowledge including DNS, load balancing, and CDN concepts Experience with monitoring/observability ...

Senior Backend Engineer (Python | AI | 3D Environments | £130,000)

Hiring Organisation
Paradigm Talent
Location
City of London, Greater London, UK
understanding of system design, scalability, and reliability . A product-oriented mindset — you design with end users and UX impact in mind. Passion for clean abstractions, maintainable code, and well-defined interfaces. Nice-to-haves Experience with cloud-native infrastructure (AWS, GCP, or Azure). Familiarity with auth ...

Web Developer

Hiring Organisation
Stafflex Ltd
Location
Cleckheaton, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent
Salary
£35,000
knowledge is acceptable, as structured learning and on-site training is available. Key Responsibilities Assist in developing and maintaining web applications using Laravel Writing clean, efficient, and maintainable code using HTML, CSS, and JavaScript Supporting front-end development, ensuring responsive, user-friendly interfaces Working with WordPress … designers and senior developers on new features Debugging and troubleshooting issues across browsers and devices Ensuring cross-browser compatibility and mobile responsiveness Contributing to code reviews and development best practice Meeting project deadlines and working effectively as part of a small team Supporting other areas of business where required ...

Lead RPG Developer (IBM i)

Hiring Organisation
Morson Edge
Location
City of London, London, United Kingdom
Employment Type
Permanent
expectations, and secure coding practices. Key Responsibilities Gather and document requirements and user stories aligned with business needs and solution architecture Develop high-quality, clean, and testable RPG code in accordance with development standards Ensure all development adheres to secure coding principles and the Bank's IT Development ...

Data Engineer

Hiring Organisation
Searchability NS&D
Location
Gloucester, England, United Kingdom
Stores. Troubleshoot and diagnose issues within integrated (enriched) data systems. Collaborate with the scrum team to decompose user requirements into epics and stories. Write clean, secure, and reusable code following a test-driven development approach. Monitor system performance and implement updates to maintain optimal operation. The Data Engineer ...

Data Engineer

Hiring Organisation
Searchability NS&D
Location
Manchester Area, United Kingdom
Stores. Troubleshoot and diagnose issues within integrated (enriched) data systems. Collaborate with the scrum team to decompose user requirements into epics and stories. Write clean, secure, and reusable code following a test-driven development approach. Monitor system performance and implement updates to maintain optimal operation. The Data Engineer ...

Data Scientist / Machine Learning Scientist

Hiring Organisation
Russell Tobin
Location
London Area, United Kingdom
will make pragmatic decisions that balance model performance, system latency, and cost efficiency . Core Requirements You have strong Python skills and can write clean, production-grade code , with a solid understanding of system design principles. You have proven experience shipping LLM-powered systems into production , with clear ...

Senior Quant Software Developer : Elite Quant Fund : Python/C++ : £150-200k base plus huge bonus

Hiring Organisation
Hunter Bond
Location
London Area, United Kingdom
high impact and low ego. The successful candidate will work at the intersection of quantitative research, data engineering, and high-performance software development — with code that moves rapidly from prototype to production and directly influences trading performance. The Role As a Quant Developer, you will: Collaborate closely with quant … researchers to productionise models and design scalable research/tooling infrastructure Develop high-performance, robust code across Python and C++ Build and maintain data pipelines, research platforms, and components of the live trading stack Optimise system performance, reliability, and throughput across large-scale datasets Contribute to architectural decisions across ...

Software Engineer

Hiring Organisation
Technify Talent
Location
Guildford, England, United Kingdom
role in shaping the next generation of our platform. This is an ideal opportunity for an engineer who enjoys working with complex systems, values clean and maintainable code, and is motivated by meaningful technical challenges. Key Responsibilities Design, build, test, and deliver new features within a desktop-based ...