1 to 25 of 383 Permanent Clean Code Jobs in the UK excluding London

Senior Software Engineer

Hiring Organisation
Pure Resourcing Solutions
Location
Cambridge, Cambridgeshire, United Kingdom
Salary
£ 60 K
performance data processing systems in a production-focused environment. This role is centred on software engineering rather than modelling, with a strong emphasis on clean code, Test-Driven Development (TDD), and scalable data processing. Key ResponsibilitiesDevelop and maintain production-grade Python applications.Build high-throughput data processing pipelines handling … large datasets on local server infrastructure.Design and implement robust multithreaded and multiprocessing solutions.Write clean, maintainable code within a TDD environment.Optimise performance across CPU, memory, and I/O intensive workloads.Essential ExperienceStrong commercial Python development experience.Expert knowledge of multithreading, multiprocessing, and concurrency.Proven track record working in a Test-Driven ...

Senior Software Engineer

Hiring Organisation
Pure Resourcing Solutions Limited
Location
Cambridge, Cambridgeshire, United Kingdom
Employment Type
Permanent
Salary
£65000 - £70000/annum
performance data processing systems in a production-focused environment. This role is centred on software engineering rather than modelling , with a strong emphasis on clean code, Test-Driven Development (TDD), and scalable data processing . Key Responsibilities Develop and maintain production-grade Python applications. Build high-throughput data … processing pipelines handling large datasets on local server infrastructure. Design and implement robust multithreaded and multiprocessing solutions. Write clean, maintainable code within a TDD environment. Optimise performance across CPU, memory, and I/O intensive workloads. Essential Experience Strong commercial Python development experience. Expert knowledge of multithreading, multiprocessing ...

C# Developer

Location
Greater Manchester, England, United Kingdom
enjoys solving complex problems and delivering high-quality software. You value collaboration, curiosity, and learning as much as coding. You understand the importance of clean code, maintainable architecture, and system performance, and you want to work in a culture where your contributions matter and your growth is supported. … Modernizing components of the platform to .NET 8+ and Svelte.js, including containerized deployments. Automating infrastructure with Pulumi and Azure DevOps. Participating in architecture discussions, code reviews, and maintaining engineering best practices. What you may have: Strong experience with C#/.NET, including async/await, memory management, and resource ...

Embedded Software Engineer - Contractor

Location
Retford, England, United Kingdom
regulated environment. Taking ownership of your work, contributing to team standards and continuously developing your skills while solving real-world problems. You care about clean code, reliable systems, and delivering value in a safe and efficient way. Key Responsibilities Software Engineering Develop and enhance core software applications using … Working within regulated environments A proactive mindset and eagerness to develop your skills Naturally default to data‐driven decision making Champion engineering excellence, leading code reviews, shaping automated testing strategies, and writing clean, maintainable code Mentor and upskill mid‐level and junior engineers, acting as a technical ...

Senior Java Developer

Hiring Organisation
Bright Purple Resourcing
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
APIs, reporting tools and the client portal; bring AI into the development lifecycle; adapt third-party trading systems as the business requires; and write clean, thoroughly tested code grounded in SOLID principles, Design Patterns and Clean Code. You'll also work with microservices and event-driven architectures … cloud platforms such as AWS, Azure or GCP, and infrastructure-as-code tools like Terraform. Testing coverage will rely on JUnit, Spock and Mockito, applying TDD and BDD along the way, and you'll take part in code reviews that help raise the bar across the team. ...

Senior Java Developer

Hiring Organisation
Bright Purple Resourcing
Location
Aberdeen, Aberdeenshire, Scotland, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
APIs, reporting tools and the client portal; bring AI into the development lifecycle; adapt third-party trading systems as the business requires; and write clean, thoroughly tested code grounded in SOLID principles, Design Patterns and Clean Code. You'll also work with microservices and event-driven architectures … cloud platforms such as AWS, Azure or GCP, and infrastructure-as-code tools like Terraform. Testing coverage will rely on JUnit, Spock and Mockito, applying TDD and BDD along the way, and you'll take part in code reviews that help raise the bar across the team. ...

Senior Java Developer

Hiring Organisation
Bright Purple Resourcing
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
APIs, reporting tools and the client portal; bring AI into the development lifecycle; adapt third-party trading systems as the business requires; and write clean, thoroughly tested code grounded in SOLID principles, Design Patterns and Clean Code. You'll also work with microservices and event-driven architectures … cloud platforms such as AWS, Azure or GCP, and infrastructure-as-code tools like Terraform. Testing coverage will rely on JUnit, Spock and Mockito, applying TDD and BDD along the way, and you'll take part in code reviews that help raise the bar across the team. ...

Senior Java Developer

Hiring Organisation
Bright Purple
Location
Edinburgh, Midlothian, United Kingdom
Salary
£ 80 K
APIs, reporting tools and the client portal; bring AI into the development lifecycle; adapt third-party trading systems as the business requires; and write clean, thoroughly tested code grounded in SOLID principles, Design Patterns and Clean Code. You'll also work with microservices and event-driven architectures … cloud platforms such as AWS, Azure or GCP, and infrastructure-as-code tools like Terraform. Testing coverage will rely on JUnit, Spock and Mockito, applying TDD and BDD along the way, and you'll take part in code reviews that help raise the bar across the team.On ...

Senior Platform Engineer

Hiring Organisation
Willis Towers Watson
Location
Reigate, Surrey, United Kingdom
Salary
£ 70 K
successful in this role with experience in delivering large scale Cloud services.The Role:Provide technical input, guidance and leadership to the team (including code quality, best practices, processes, some aspects of release management, etc.).Assist in the design and documenting of solutions meeting functional and non-functional requirements.Lead … architecture/design, implementation, unit and system testing, deployment, operations, monitoring and incident management.Software engineering fundamentalsStrong grounding in objectoriented design, design patterns, SOLID principles, clean code practices, code review, documentation and Agile delivery.Core technical stackHands‐on experience with C# and .NET (Core/6+) for backend ...

Senior Platform Engineer

Location
Reigate, England, United Kingdom
successful in this role with experience in delivering large scale Cloud services. The Role: Provide technical input, guidance and leadership to the team (including code quality, best practices, processes, some aspects of release management, etc.). Assist in the design and documenting of solutions meeting functional and non-functional … implementation, unit and system testing, deployment, operations, monitoring and incident management. Software engineering fundamentals Strong grounding in object oriented design, design patterns, SOLID principles, clean code practices, code review, documentation and Agile delivery. Core technical stack Hands‐on experience with C# and .NET (Core/6+ ...

Senior Fullstack Engineer (Java/React/Python)

Location
Manchester, England, United Kingdom
Saving Expert, building digital products and services that make a difference while always putting people first. We’re a team of creators. We write code, shape delivery, build go-to-market strategies, develop AI solutions and create the practices that support our people. We work side by side with … security, versioning, performance and reliability. Build intuitive, high-performance user interfaces in React that integrate seamlessly with backend services. Champion engineering excellence through clean code, automated testing, documentation and code reviews. Drive delivery across multiple initiatives while balancing speed, quality and commercial value. Mentor engineers through coaching ...

Senior Fullstack Engineer (Java/React/Python)

Location
Leeds, England, United Kingdom
Saving Expert, building digital products and services that make a difference while always putting people first. We’re a team of creators. We write code, shape delivery, build go-to-market strategies, develop AI solutions and create the practices that support our people. We work side by side with … security, versioning, performance and reliability. Build intuitive, high-performance user interfaces in React that integrate seamlessly with backend services. Champion engineering excellence through clean code, automated testing, documentation and code reviews. Drive delivery across multiple initiatives while balancing speed, quality and commercial value. Mentor engineers through coaching ...

Senior Fullstack Engineer (Java/React/Python)

Location
City of Edinburgh, Scotland, United Kingdom
Saving Expert, building digital products and services that make a difference while always putting people first. We’re a team of creators. We write code, shape delivery, build go-to-market strategies, develop AI solutions and create the practices that support our people. We work side by side with … security, versioning, performance and reliability. Build intuitive, high-performance user interfaces in React that integrate seamlessly with backend services. Champion engineering excellence through clean code, automated testing, documentation and code reviews. Drive delivery across multiple initiatives while balancing speed, quality and commercial value. Mentor engineers through coaching ...

Lead Software Engineer

Location
Ellesmere Port, England, United Kingdom
standards, design patterns, and performance optimization. Mentor and guide team members, promoting technical excellence and continuous improvement. Identify and evaluate opportunities to improve existing code, technical standards and ways of working. Take accountability for the accuracy of estimates, on-time project delivery and average cycle time for the team. … extend our existing products Develop high-quality software solutions using C#, .NET technologies, and frontend frameworks such as React.js. Write efficient, scalable, and maintainable code with a focus on high-quality standards and minimal defect leakage. Implement frontend solutions using Typescript, ASP.Net MVC, HTML5, CSS. Design and develop RESTful ...

Senior Software Engineer, Full-Stack Applications (Python)

Hiring Organisation
Fitch Group
Location
Manchester, United Kingdom
Employment Type
Full Time
applications – Build robust, scalable applications using Python (FastAPI/Flask), and ReactJS following best practices and design patterns • Contribute to the development lifecycle – Write clean, maintainable code, implement CI/CD pipelines with GitHub Actions, deploy to Kubernetes, and ensure quality through testing and code reviews • Work … other engineers to understand requirements and deliver solutions that meet business needs • Apply engineering best practices – Follow SOLID principles and design patterns, participate in code reviews, solve technical challenges, and contribute to code quality • Support and improve systems – Troubleshoot production issues, optimize performance, and help ensure reliability ...

Senior Software Engineer (Java + Vue/Typescript)

Location
Leeds, England, United Kingdom
Saving Expert, building digital products and services that make a difference while always putting people first. We’re a team of creators. We write code, shape delivery, build go-to-market strategies, develop AI solutions and create the practices that support our people. We work side by side with … performant and aligned with best practices. Develop and evolve RESTful APIs with a focus on security, versioning, performance and reliability. Champion engineering excellence through clean code, automated testing, documentation and code reviews. Drive delivery across multiple initiatives while balancing speed, quality and commercial value. Mentor engineers through ...

Senior Software Engineer (Java + Vue/Typescript)

Location
City of Edinburgh, Scotland, United Kingdom
Saving Expert, building digital products and services that make a difference while always putting people first. We’re a team of creators. We write code, shape delivery, build go-to-market strategies, develop AI solutions and create the practices that support our people. We work side by side with … performant and aligned with best practices. Develop and evolve RESTful APIs with a focus on security, versioning, performance and reliability. Champion engineering excellence through clean code, automated testing, documentation and code reviews. Drive delivery across multiple initiatives while balancing speed, quality and commercial value. Mentor engineers through ...

Senior Software Engineer, Full-Stack Applications (Python)

Hiring Organisation
Fitch Ratings
Location
Manchester, Greater Manchester, United Kingdom
Salary
£ 70 K
applications – Build robust, scalable applications using Python (FastAPI/Flask), and ReactJS following best practices and design patterns• Contribute to the development lifecycle – Write clean, maintainable code, implement CI/CD pipelines with GitHub Actions, deploy to Kubernetes, and ensure quality through testing and code reviews• Work … other engineers to understand requirements and deliver solutions that meet business needs• Apply engineering best practices – Follow SOLID principles and design patterns, participate in code reviews, solve technical challenges, and contribute to code quality• Support and improve systems – Troubleshoot production issues, optimize performance, and help ensure reliability ...

Backend Developer

Location
Oxford, England, United Kingdom
projects. Work with relational and non-relational database technologies to support business and product requirements. Develop automation including build pipelines, DevOps workflows, infrastructure-as-code, and business process automation, using source control, code review systems, and modern development tooling to maintain code quality and consistency. Develop unit … integration, and automated tests and contribute to verification evidence, code quality, and design reviews. Participate in daily stand-ups, design reviews, and collaborative team activities with internal and external teams, supporting Product Owners and Business Analysts in refining requirements and technical specifications. Ensure developments are completed on time ...

Senior Software Engineer - .Net

Location
Bristol, England, United Kingdom
wider business to ensure your team is building the right solutions in the right way. Ensure outcomes are identified and measured for success. Conduct code reviews, enforce coding standards, and ensure the quality and maintainability of the codebase. Identify and resolve performance bottlenecks in applications and optimize … stakeholders to help drive fast decisions. Cloud and DevOps Extensive experience with AWS cloud architecture and services. Experience with automated testing, and infrastructure as code (IaC) using tools like AWS CDK, Terraform etc. Design Principles Strong understanding of good coding and testing practices such as clean code ...

Senior Software Engineer - (Java, NodeJS, AWS, Python)

Location
Leeds, England, United Kingdom
performant and aligned with best practices. Develop and evolve RESTful APIs with a focus on security, versioning, performance and reliability. Champion engineering excellence through clean code, automated testing, documentation and code reviews. Drive delivery across multiple initiatives while balancing speed, quality and commercial value. Mentor engineers through … performance fundamentals Experience with Spring Cloud, WebFlux or reactive programming would be advantageous. What Success Looks Like Technical Excellence & Craft Mastery Write clean, maintainable and highly optimised code. Set high standards for quality, testing and documentation. Coach others in engineering best practices and modern development techniques. Design scalable, resilient ...

Senior Software Engineer - (Java, NodeJS, AWS, Python)

Location
City of Edinburgh, Scotland, United Kingdom
performant and aligned with best practices. Develop and evolve RESTful APIs with a focus on security, versioning, performance and reliability. Champion engineering excellence through clean code, automated testing, documentation and code reviews. Drive delivery across multiple initiatives while balancing speed, quality and commercial value. Mentor engineers through … performance fundamentals Experience with Spring Cloud, WebFlux or reactive programming would be advantageous. What Success Looks Like Technical Excellence & Craft Mastery Write clean, maintainable and highly optimised code. Set high standards for quality, testing and documentation. Coach others in engineering best practices and modern development techniques. Design scalable, resilient ...

Full-stack Developer (Senior)

Location
Manchester, England, United Kingdom
leadership within agile delivery teams, helping guide implementation decisions and ensuring best practice is followed. Mentor and coach junior and mid‐level developers through code reviews, pair programming and technical guidance. Maintain high engineering standards through clean code, automated testing, CI/CD and DevOps best practice. ...

Senior Software Engineer (Vue.js/TypeScript) - iGaming

Location
Leeds, England, United Kingdom
Saving Expert, building digital products and services that make a difference while always putting people first. We’re a team of creators. We write code, shape delivery, build go‐to‐market strategies, develop AI solutions and create the practices that support our people. We work side by side with … aligned with best practices. Develop and evolve component libraries and design systems with a focus on reusability, accessibility and consistency. Champion engineering excellence through clean code, automated testing, documentation and code reviews. Drive delivery across multiple initiatives while balancing speed, quality and commercial value. Mentor engineers through ...

Senior Software Engineer (Vue.js/TypeScript) - iGaming

Location
Manchester, England, United Kingdom
Saving Expert, building digital products and services that make a difference while always putting people first. We’re a team of creators. We write code, shape delivery, build go‐to‐market strategies, develop AI solutions and create the practices that support our people. We work side by side with … aligned with best practices. Develop and evolve component libraries and design systems with a focus on reusability, accessibility and consistency. Champion engineering excellence through clean code, automated testing, documentation and code reviews. Drive delivery across multiple initiatives while balancing speed, quality and commercial value. Mentor engineers through ...