176 to 200 of 268 Clean Code Jobs

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 ...

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 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 ...

Python Developer

Hiring Organisation
Vallum Associates
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £525/day
Ansible Collaborate with DevOps teams to implement and maintain CI/CD pipelines Manage cloud-based infrastructure and containerized applications (Docker/Kubernetes) Write clean, efficient, and reusable code following best practices Troubleshoot, debug, and optimize application performance Ensure security, scalability, and reliability of systems ...

Python Developer - Remote

Hiring Organisation
Vallum Associates Limited
Location
East London, London, United Kingdom
Employment Type
Contract
Contract Rate
£525 per day
Ansible Collaborate with DevOps teams to implement and maintain CI/CD pipelines Manage cloud-based infrastructure and containerized applications (Docker/Kubernetes) Write clean, efficient, and reusable code following best practices Troubleshoot, debug, and optimize application performance Ensure security, scalability, and reliability of systems ...

Staff Software Engineer

Hiring Organisation
Visa
Location
London, UK
Employment Type
Full-time
systems that meet strict regulatory and operational requirements. Key Responsibilities: Software Engineering: Design and implement production-grade backend services using modern engineering practices Write clean, testable, and maintainable code following team standards Apply distributed systems principles includingidempotency and safe retries,failure isolation and graceful degradation,schemaand API versioning … platforms Exposure to near-real-time or API-based regulatory submissions Background in payments, settlement, treasury, or ledger systems Hands-on experience with Claude Code, GitHub Copilot, or similar LLM-based engineering tools Experience designing AI-assisted developer workflows that improve productivity without compromising correctness or compliance Visa ...

Senior Data Engineer

Hiring Organisation
Halian Technology Limited
Location
Reading, Berkshire, South East, United Kingdom
Employment Type
Permanent
third-party and contract engineers Contribute to engineering communities and help define best practices Drive adoption of global standards across security, performance, and code quality Operational Performance Troubleshoot and resolve critical data issues with urgency Deliver long-term fixes rather than short-term patches wherever possible Optimise pipelines …/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 ...

Software Developer

Hiring Organisation
Pure Human Resources Ltd
Location
Southampton, Hampshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
payment solutions Use AI coding tools as a core part of development workflows Contribute to the development of a headless ecommerce platform Write clean, maintainable and secure code following best practice Manage version control and collaboration through GitHub Support ongoing system improvements, performance and scalability Contribute ideas ...

Senior Application Developer (.NET/Angular/TypeScript)

Hiring Organisation
Jobot
Location
Chicago, Illinois, United States
Employment Type
Permanent
Salary
USD Annual
applications using .NET Core, Angular, TypeScript, and other technologies. 2. Collaborating with cross-functional teams to define, design, and ship new features. 3. Writing clean, maintainable, and efficient code that adheres to the best software development practices. 4. Troubleshooting, identifying, and fixing software bugs to ensure smooth application ...

Senior Application Developer (.NET/Angular/TypeScript)

Hiring Organisation
Jobot
Location
Denver, Colorado, United States
Employment Type
Permanent
Salary
USD Annual
applications using .NET Core, Angular, TypeScript, and other technologies. 2. Collaborating with cross-functional teams to define, design, and ship new features. 3. Writing clean, maintainable, and efficient code that adheres to the best software development practices. 4. Troubleshooting, identifying, and fixing software bugs to ensure smooth application ...

Senior Application Developer (.NET/Angular/TypeScript)

Hiring Organisation
Jobot
Location
West Mclean, Virginia, United States
Employment Type
Permanent
Salary
USD Annual
applications using .NET Core, Angular, TypeScript, and other technologies. 2. Collaborating with cross-functional teams to define, design, and ship new features. 3. Writing clean, maintainable, and efficient code that adheres to the best software development practices. 4. Troubleshooting, identifying, and fixing software bugs to ensure smooth application ...

Senior Application Developer (.NET/Angular/TypeScript)

Hiring Organisation
Jobot
Location
Cary, North Carolina, United States
Employment Type
Permanent
Salary
USD Annual
applications using .NET Core, Angular, TypeScript, and other technologies. 2. Collaborating with cross-functional teams to define, design, and ship new features. 3. Writing clean, maintainable, and efficient code that adheres to the best software development practices. 4. Troubleshooting, identifying, and fixing software bugs to ensure smooth application ...

Artificial Intelligence Engineer

Hiring Organisation
SBS
Location
United Kingdom
prototyping, and innovation initiatives Identify opportunities to improve automation, efficiency, and decision-making through AI Qualifications: Software Architecture & Design Application architecture: Strong grasp of clean/hexagonal architecture, dependency injection, SOLID principles, and protocol-based interfaces. Can design well-structured Python services with clear separation of concerns, testable components … maintainable codebases. This is not optional — the existing system follows these patterns, and new code must be consistent. API design: Experience designing and maintaining RESTful API contracts. Understands OpenAPI specifications, versioning strategies, schema evolution, and backward compatibility. Can own the API surface that internal consumers depend on. System design ...