201 to 225 of 281 Clean Code Jobs

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
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 ...

Full Stack PHP Engineer

Hiring Organisation
Oliver Bernard
Location
United Kingdom
growing, product-focused team working on a well-established platform in a regulated space. If you enjoy building across the stack and care about clean, pragmatic engineering, this could be a strong fit. The Opportunity You’ll work on a live, high-traffic platform with a mix of greenfield … involved end-to-end. What You’ll Do • Build features across backend (Laravel) and frontend • Develop responsive, accessible user interfaces • Write clean, well-tested code (PHPUnit/E2E) • Improve performance across database and browser • Tackle tech debt thoughtfully, without over-engineering • Contribute to CI/CD pipelines ...

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 ...

Staff Software Engineer

Hiring Organisation
17918
Location
London, United Kingdom
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 ...

Senior Data Engineer

Hiring Organisation
Halian | Managed Services, Recruitment Agency & Contract Staffing
Location
South East, England, United Kingdom
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 ...

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 ...

Business Intelligence & Insight Analyst

Hiring Organisation
PeopleGenius
Location
United Kingdom
numerate discipline (Mathematics, Statistics, Economics, Engineering or similar) • Proficient in Python and/or SQL with the ability to write clean, efficient code for data manipulation and analysis • Experience generating insight from data and an ability to go beyond reporting to explain the so what • A structured, problem ...

Full Stack Engineer (JavaScript), UK-based - US hours

Hiring Organisation
FlatPlan
Location
United Kingdom
prototyping something new with a feature Apple has just released to us. We expect you to be fluent with AI development tools (Claude Code, Cursor, Copilot, or equivalent) and to use them daily, for writing code, reviewing PRs, triaging bugs and finding ways to ship faster. What … parsing layer Customer-facing integrations for some of the world's biggest publishers Proofs of concept for new platforms and Apple News capabilities Clean, well-documented code with polished handovers Bringing AI-assisted approaches into how we build, review and ship What We're Looking For Must-haves ...

Senior KDB+ Developer

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract
disk I/O, and network considerations across kdb+ processes. Develop robust and reusable q libraries, utilities, and frameworks with a strong focus on clean, maintainable, and performant code. Drive continuous improvement through refactoring, performance benchmarking, and adoption of best practices. Mentor and guide junior and mid-level developers … fostering a culture of technical excellence, code quality, and knowledge sharing. Participate in design reviews, production support, and root cause analysis of complex system issues. Work collaboratively within an Agile or iterative delivery environment, contributing to design, implementation, testing, and release phases. Required Skills & Experience 8+ years of hands ...

Senior KDB+ Developer

Hiring Organisation
Stackstudio Digital Ltd
Location
Slough, Berkshire, UK
disk I/O, and network considerations across kdb+ processes. Develop robust and reusable q libraries, utilities, and frameworks with a strong focus on clean, maintainable, and performant code. Drive continuous improvement through refactoring, performance benchmarking, and adoption of best practices. Mentor and guide junior and mid-level developers … fostering a culture of technical excellence, code quality, and knowledge sharing. Participate in design reviews, production support, and root cause analysis of complex system issues. Work collaboratively within an Agile or iterative delivery environment, contributing to design, implementation, testing, and release phases. Required Skills & Experience 8+ years of hands ...

AWS Platform Engineer

Hiring Organisation
BrightBox Group
Location
United Kingdom
Employment Type
Permanent
Salary
£60000 - £70000/annum
technical decisions, deliver production-ready infrastructure, and communicate effectively with clients and colleagues. You apply a systematic approach to debugging and write Infrastructure as Code (IaC) that is readable and modifiable. AI development tooling is integrated into your workflow. Responsibilities - Lead your workstream's technical delivery or full engagement … reviews and knowledge sharing. - Identify improvements and growth opportunities. Skills & Experience - Proficiency in AWS services. - Experience with Terraform and/or AWS CDK, maintaining clean, modular code. - Proficiency in building and maintaining CI/CD pipelines; skilled in Python or TypeScript. - Knowledge of Kubernetes and EKS, with experience ...

Software Developer

Hiring Organisation
Blackstar Amplification Ltd
Location
Northampton, England, United Kingdom
/UX implementation o Anti-piracy methods, such as PACE iLok. • Minimum 2 years’ experience in a commercial software development environment. • Ability to produce clean, accurate and reusable code. • Qualified to degree level or above in Computer Science or a related field. • Highly organised, independent and self-reliant. • Excellent … create the ultimate tolls for self-expression. The Environment : Blackstar is a unique environment; we are all musicians/music lovers and the dress code is relaxed. Our teams are experts in their field and we are incredibly passionate about our products and the industry as a whole. Most ...

Python Developer

Hiring Organisation
Maxwell Bond
Location
Manchester, United Kingdom
Employment Type
Contract
Contract Rate
£400/day Outside IR35
Spark or serverless architectures Core responsibilities and skills Build and maintain real-time and batch ETL pipelines using Python on large, complex datasets Write clean, scalable Python code for data ingestion, transformation, and processing Design and optimise SQL queries for performance, cost, and reliability across large data volumes … Work with distributed data processing tools such as Apache Spark to handle high-volume workloads Improve existing pipelines by identifying bottlenecks and refactoring code and queries Develop and maintain data workflows, scheduling, and orchestration processes Provision and manage AWS infrastructure using Infrastructure as Code tools such as Terraform ...

Lead QA Engineer

Hiring Organisation
TPXImpact Holdings Plc
Location
East London, London, United Kingdom
Employment Type
Permanent
Salary
£60,000
primary responsibility for building foundational framework components and resolving technical blockers that require expert intervention. Implements automated test solutions setting the "Gold Standard" for clean, performant, and maintainable code. Provides expert direction on framework design and test planning, defining firm-wide best practices and automation standards. Consults with stakeholders … . Previous experience in managing or formally leading a multi-person test team. Technical skills Expertise in defining and enforcing firm-wide standards for clean, maintainable, and reusable code across multiple teams or projects. Ability to architect modular test frameworks that balance immediate delivery needs with long-term ...

Senior Software 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 ...

Senior Software Developer

Hiring Organisation
Get Recruited (UK) Ltd
Location
Sheffield, South 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 ...