151 to 175 of 242 Permanent Clean Code Jobs

Senior Software Engineer - Frontend

Hiring Organisation
Areti Group | B Corp™
Location
Scotland, United Kingdom
front-end features using modern JavaScript frameworks. Collaborate with product and engineering managers to scope and prioritize work. Ensure high-quality, maintainable, and performant code through best practices and automated testing. Mentor and support other developers within the team. Participate in the full feature lifecycle—from ideation to deployment … JavaScript (Vue.js experience is a plus). Comfortable working across the stack when needed, with some exposure to back-end technologies. Skilled in writing clean, testable code and using automated testing frameworks. Excellent problem-solving skills and ability to break down complex tasks. Strong communicator and collaborator, able ...

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 ...

Software Engineer

Hiring Organisation
MCKESSON
Location
Columbus, Ohio, United States
Employment Type
Any
Salary
GBP Annual
processing and asynchronous workflows supporting high-throughput systems. Collaborate with product managers, designers, and engineers to translate business needs into technical solutions. Participate in code reviews and architectural discussions to improve system quality and scalability. Troubleshoot production issues, identify root causes, and implement well-tested fixes. Write clean, maintainable, well-documented code and contribute to technical documentation and runbooks. Apply software development best practices including version control, CI/CD, and automated testing. Priority will be given to candidates who reside in the Columbus, OH metropolitan area. This role will allow for remote work. ...

Principal Engineer

Hiring Organisation
Digital Skills ltd
Location
United Kingdom
Senior Engineers , setting technical standards and raising overall engineering capability Drive and promote best engineering practices , including TDD, CI/CD, DevOps, and clean, maintainable code Influence technology choices and architectural patterns across the data platform estate Collaborate with architects, analysts, security specialists, and testers in Agile/… complex technical concepts clearly Strong background in Agile, DevOps, and modern software delivery practices Desirable Skills Experience with Elasticsearch, OpenSearch, or Solr Infrastructure‐as‐Code tools such as Terraform, Ansible, or Packer CI/CD tooling such as Jenkins, Drone , or similar Experience working within highly secure or regulated ...

.Net Engineer

Hiring Organisation
numi
Location
London Area, United Kingdom
direction, contribute new ideas, and help shape engineering standards as the business continues to scale. They’re looking for engineers who care about writing clean, maintainable code, enjoy collaborative problem-solving, and want to work in a team that values quality engineering over unnecessary process. What they ...

Senior Software Engineer - Backend

Hiring Organisation
Areti Group | B Corp™
Location
Scotland, United Kingdom
C# and .NET (Framework and Core). Comfortable working across the stack when needed, with some exposure to front-end technologies. Skilled in writing clean, testable code and using automated testing frameworks. Excellent problem-solving skills and ability to tackle complex challenges. Strong communicator and collaborator, able ...

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 ...

.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 ...

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 ...

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 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 Shopify Developer

Hiring Organisation
Underwaterpistol (Shopify Plus Agency)
Location
United Kingdom
overall delivery quality. This is a hands-on role where you’re expected to: • Take ownership of tasks • Manage your time effectively • Deliver clean, maintainable code • Flag risks early and communicate clearly Key Responsibilities • Build out design comps accurately and efficiently • Write structured, well-organised, reusable code ...

Senior Shopify Developer (Contract)

Hiring Organisation
Underwaterpistol (Shopify Plus Agency)
Location
United Kingdom
overall delivery quality. This is a hands-on role where you’re expected to: • Take ownership of tasks • Manage your time effectively • Deliver clean, maintainable code • Flag risks early and communicate clearly Key Responsibilities • Build out design comps accurately and efficiently • Write structured, well-organised, reusable code ...

Senior .NET Developer

Hiring Organisation
MRJ Recruitment
Location
Manchester, England, United Kingdom
services, and third-party systems. Apply software development best practices and design patterns alongside fellow developers and QA engineers. Deliver new features while writing clean, maintainable, high-quality code. Take ownership of developments from initial implementation through to production support. Collaborate with platform engineering teams to maintain a robust …/CD pipeline. Ensure all code is testable, covering unit, integration, UI, and performance tests. Who You Are: Solid commercial experience with .NET and C#. Hands-on experience with Akka.NET for building distributed, scalable, fault-tolerant systems. Familiar with N-Tier architecture and service-oriented design (SOA). Strong ...

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 ...

Founding Engineer

Hiring Organisation
Xylo
Location
London, England, United Kingdom
with the team and customers. You’ll: Build new features end-to-end, from concept to deployment Work directly with users and see your code reduce hours of manual work the same week you ship it Have autonomy to take risks and make difficult decisions Contribute to technical decisions … curious about user problems You've worked at startups and are comfortable with ambiguity, ownership and moving fast You take pride in writing clean, reliable code and seeing it make a real impact You believe AI should make people's work better, not replace them You use LLMs ...