476 to 500 of 844 Clean Code Jobs

AWS Data Engineer

Location
Greater London, England, United Kingdom
evolution of lakehouse architecture leveraging Apache Iceberg. Apply Software Engineering Best Practices Use version control, CI/CD pipelines, automated testing, and modular code principles. Participate in pair programming, code reviews, and architectural design sessions. Data Quality & Observability Build monitoring and observability into data flows. Implement basic data … driven solutions. Develop an understanding of financial indices and share domain insights with the team. What You’ll Bring Technical Expertise Strong experience writing clean, maintainable Python code, ideally using type hints, linters, and test frameworks such as pytest. Solid understanding of data engineering fundamentals including batch processing ...

Software Engineer

Location
Liverpool, England, United Kingdom
need everyone's energy and commitment, regardless of region or rank, to make that mission a reality for millions more customers. Our culture code, a set of principles that underpins our values, is our commitment to each other and workingbetter together. Join EcoOnline and be part of a mission … services that support seamless connectivity across our products and platforms. Contribute to the development and enhancement of shared services and platform capabilities. Participate in code reviews, technical discussions and knowledge-sharing activities within the team. Work closely with Product Managers, Designers and other stakeholders to help deliver solutions that ...

Technical Lead

Location
Liverpool, England, United Kingdom
high‐quality software using modern engineering practices and a microservice architecture built on Azure. As Tech Lead, you’ll be hands‐on with the code while supporting others to grow. You’ll set technical direction, drive standards and help shape how your squad works, with real autonomy and trust. … technical plans Work closely with QA and automation testers to ensure quality and reliability are built in from the start Stay hands‐on with code while mentoring developers and promoting best practices Drive technical discussions, champion clean architecture and improve our engineering standards Contribute to wider engineering initiatives ...

Full Stack Engineer

Hiring Organisation
Oscar Technology
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum
tools as standard practice - and helping shape how the team gets the most from them Contributing to architecture decisions as the platform scales Writing clean, well-tested code and reviewing others' work with care Debugging, profiling and improving performance, reliability and security What we're looking … environments Familiarity with RAG pipelines, embeddings, prompt engineering or agentic frameworks Cloud platform experience (AWS/GCP/Azure), CI/CD, infrastructure-as-code Open-source contributions or a portfolio of side projects - especially AI-related Startup or scale-up experience What you'll get Direct mentorship from ...

kdb+ Contractor (Capital Markets)

Location
Greater London, England, United Kingdom
guide junior and mid-level developers, fostering a culture of technical excellence. Own the full development lifecycle by developing, testing, supporting and maintaining all code for client applications. Drive innovation by staying ahead of the curve in kdb+, q, and emerging technologies. What You Bring 7+ years of hands … both technical and non‐technical stakeholders. Experience in capital markets or investment banking, understanding of the domain and its demands. A passion for clean, performant code and continuous improvement. Bonus Points For: Experience with AI tooling (Claude, Co‐Pilot) Experience with Python, cloud platforms (AWS, GCP, Azure ...

kdb+ Contractor (Capital Markets)

Location
Belfast, Northern Ireland, United Kingdom
guide junior and mid-level developers, fostering a culture of technical excellence. Own the full development lifecycle by developing, testing, supporting and maintaining all code for client applications. Drive innovation by staying ahead of the curve in kdb+, q, and emerging technologies. What You Bring 7+ years of hands … both technical and non‐technical stakeholders. Experience in capital markets or investment banking, understanding of the domain and its demands. A passion for clean, performant code and continuous improvement. Bonus Points For: Experience with AI tooling (Claude, Co‐Pilot) Experience with Python, cloud platforms (AWS, GCP, Azure ...

Data Decisioning Manager

Location
Greater London, England, United Kingdom
built decisioning solutions and contributing to capex/opex business cases Familiarity with real-time streaming technologies in a decisioning context Awareness of data clean rooms and privacy-preserving analytics for audience targeting Bachelor's or Master's degree in a quantitative, technology, or business-related field … support Employee Assistance Programme, Career Development and Counselling A range of generous Parental Leave offerings #LI-EU SNGCR01 Required — Technical Skills Advanced Python — writing clean, production-grade code, not just scripts (OOP, async, packaging, testing) Generative AI & LLM development — prompt engineering, fine-tuning, RAG pipelines, context window management ...

Data Decisioning Manager

Hiring Organisation
Hackajob Ltd
Location
London, United Kingdom
Employment Type
Permanent
built decisioning solutions and contributing to capex/opex business cases Familiarity with real-time streaming technologies in a decisioning context Awareness of data clean rooms and privacy-preserving analytics for audience targeting Bachelor's or Master's degree in a quantitative, technology, or business-related field … support Employee Assistance Programme, Career Development and Counselling A range of generous Parental Leave offerings #LI-EU SNGCR01 Required — Technical Skills Advanced Python — writing clean, production-grade code, not just scripts (OOP, async, packaging, testing) Generative AI & LLM development — prompt engineering, fine-tuning, RAG pipelines, context window management ...

Remote iOS Engineer: Build Next-Gen Mobile Experience

Location
Belfast City District, Northern Ireland, United Kingdom
work on iOS features in Swift, tackle moderately complex tasks, and collaborate with a small, experienced team. This remote role offers ownership of features, code reviews, and a path to continuously improve tooling, testing, and deployment, with an emphasis on clean code and reliable delivery. #J ...

AI Infrastructure Engineer

Location
Greater London, England, United Kingdom
least one programming language (for example Python, Ruby, Java, Go, etc.). Specific language experience is less important than your ability to write clean, reliable code and learn new stacks quickly. Bonus skills & attributes None of these are required, but they’re nice to have: Experience ...

Senior Software Engineer, Dependency Tracing

Location
City of Westminster, England, United Kingdom
growth and solve their most critical business problems. Responsibilities Translate high-level requirements into detailed technical designs, encompassing architecture, data structures, and algorithms. Write clean, maintainable, and efficient code in accordance with established coding standards and best practices. Develop and execute thorough unit, integration, and system tests … ensure code quality and functionality, including automated testing where applicable. Participate in code reviews to provide constructive feedback and ensure adherence to best practices. Document technical specifications, design decisions, and implementation details for future reference and knowledge sharing. Google is proud to be an equal opportunity and affirmative ...

Sales Engineer - New York & London

Location
Greater London, England, United Kingdom
technical audiences Bachelor’s degree or higher; bonus if in Computer Science or a related field, or equivalent professional experience A knack for translating code, technical logic, and user needs into actionable product and engineering requirements. Our Principles Trust We earn confidence through consistent delivery, thoughtful collaboration, and transparent … solve real problems. If something goes wrong, we respond without delay. Craft We care deeply about quality and polish. Whether it is writing clean code, shaping a feature, or refining a user experience, we take pride in delivering thoughtful, refined work. Momentum We act quickly and with purpose. ...

Design Engineer (UI, Frontend)

Location
Greater London, England, United Kingdom
ensure craft isn't traded away when timelines tighten. Take unfinished inputs, from rough Figma sketches to early prototypes and translate them into clean, accessible code. Work directly alongside designers, product managers, and engineers as the bridge between design intent and shipped code. What we're looking for Experience … Cursor, Claude, Copilot, or equivalent) to move fast in exploration and delivery. Production React Fluency: Strong fundamentals in React and Next.js, with experience contributing clean code to shared repositories. Design System Experience: Excitement to do the foundational work required to elevate an active component library into a mature ...

Front-end Software Engineer III

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
technical troubleshooting with ability to think beyond routine or conventional approaches to build solutions or breakdown technical problems Creates secure and high-quality production code and maintains algorithms that run synchronously with appropriate systems Leverages enterprise-authorized AI coding assist tools within the work environment to improve code quality, delivery speed, and productivity across complex deliverables (e.g., code generation/refactoring, unit test creation, documentation), while validating outputs through peer review, automated testing, and secure coding standards; contributes learnings and reusable patterns to improve broader team effectiveness. Applies knowledge of tools within the Software Development Life ...

Senior Software Engineer (Angular)

Location
Manchester, England, United Kingdom
Angular applications (latest versions preferred) Build responsive, reusable UI components from UX designs Integrate with RESTful APIs built in .NET/ASP.NET Core Write clean, testable, maintainable code Troubleshoot and optimise application performance Contribute to Agile development processes, including sprint planning and reviews. Collaborate with Business Analysts,, Product … Owners, and Solutions Architects on design priorities and delivery planning. Mentor and support junior engineers through knowledge sharing, code reviews, and technical coaching. Available as a technical escalation to investigate and resolve production incidents to ensure system stability and customer satisfaction. Required Experience & Skills 5+ years front-end development ...

Mid & Senior Java Developers

Location
Belfast City District, Northern Ireland, United Kingdom
preferred) REST APIs and microservice architecture SQL databases and data modelling CI/CD pipelines and modern development practices A passion for writing clean, maintainable, well-tested code Just as importantly, you'll enjoy collaborating with others, sharing ideas and continuously improving the way software is delivered. What ...

.NET Developer

Hiring Organisation
Tech 4
Location
Southampton, Hampshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£60,000
troubleshooting defects, performance issues and production incidents. Contribute to technical design decisions, ensuring solutions are secure, supportable and aligned to good engineering practice. Write clean, maintainable code and follow agreed standards for version control, testing, deployment and documentation. Participate in code reviews, peer support and knowledge sharing ...

Net Developer

Hiring Organisation
Tech4 Ltd
Location
SO1 0AB, Southampton, Hampshire, United Kingdom
Employment Type
Permanent
Salary
£55000 - £60000/annum + excellent benefits
troubleshooting defects, performance issues and production incidents. Contribute to technical design decisions, ensuring solutions are secure, supportable and aligned to good engineering practice. Write clean, maintainable code and follow agreed standards for version control, testing, deployment and documentation. Participate in code reviews, peer support and knowledge sharing ...

Lead Engineer

Location
Greater London, England, United Kingdom
ready. Key Responsibilities Contribute directly to the architecture, development, testing, and deployment of Risk systems and data platforms. Take ownership of the SDLC, delivering clean, secure, and maintainable code aligned to engineering standards. Promote engineering excellence through structured code reviews, performance optimisation, refactoring, and best practice adoption. … resilient system design, evaluating emerging technologies to enhance platform capability and developer productivity. Champion the use of AI, ML, and intelligent automation to improve code quality, testing effectiveness, and release efficiency. Implement comprehensive automated testing strategies (unit, integration, regression, functional) integrated within CI/CD frameworks, collaborating with ...

Senior Java Software Engineer - Payment Schemes

Location
Greater London, England, United Kingdom
robust, scalable systems and a proven track record of engineering excellence. Experience with AWS and Postgres is highly desirable. For the most part we code in Java. We believe in clean coding, simple solutions, automated testing, and continuous deployment. If you care enough to find elegant solutions … backend codebase) AWS & GCP (we're cloud-native) Distributed service-based architecture Kubernetes (EKS) TeamCity for CI/CD (lots of teams are releasing code 15-20 times per day!) Terraform and Grafana The Team The Payment Schemes team sits at the edge of the bank, integrating with third ...

Java Developer

Hiring Organisation
Collabera
Location
Chicago, Illinois, United States
Employment Type
Permanent
Salary
USD 68 Hourly
Spring Boot, and other related technologies Collaborate with cross-functional teams to define requirements, then design and build new features Refactor/redesign legacy code base Build responsive and user-friendly interfaces using modern JavaScript frameworks (e.g. React, Angular, Vue.js) Write clean, maintainable , and efficient code following … best practices Participate in code reviews and maintain high standards of software quality Troubleshoot and debug applications and optimize performance Stay up to date with emerging technologies and industry trends Required Skills: Bachelor's Degree in Computer Science, Engineering or equivalent level of experience 7+ years of experience ...

Senior Full-Stack Engineer (Multiple Openings)

Location
Greater London, England, United Kingdom
across the full stack (or front-end/back-end focus areas). Make independent technical decisions, consider architectural knock-on effects, and write clean, thoroughly tested code Migration and modernization. Help steer key initiatives—whether migrating C# services to .NET 8, optimizing Azure SQL performance, or converting … debt and architecture. Identify and raise technical debt, author technical proposals on complex tickets, and champion quality standards PR reviews and mentorship. Provide constructive code reviews, pair with mid-level engineers, unblock colleagues proactively, and guide standard methodologies Collaboration and strategic AI. Work closely with PMs, Designers, and Marketing ...

Kotlin & Java Dev: Build Scalable Apps

Location
Greater London, England, United Kingdom
London is seeking a Technical Specialist focusing on Kotlin and Java to develop and implement high-quality software solutions across projects. You will write clean code, participate in the full software development lifecycle, and collaborate with cross-functional teams to design, test, and deploy new features. The role ...

Site Reliability Engineer I: Cloud-Native & Observability

Location
Greater London, England, United Kingdom
building reliable cloud-native services, collaborate with RTO engineering teams, and enable product teams to scale features globally. We value engineers who write clean code, champion reliability, and create self-service tooling for rapid provisioning and incident response. This role is based in London with on-site work ...

Pixel-Perfect Frontend Developer | Performance & UI

Location
Glasgow, Scotland, United Kingdom
Elixirmark in Glasgow is seeking a dedicated Front-End Developer who is passionate about performance, clean code, and creating seamless animations. The role involves translating designs from Figma or Adobe XD into interactive web pages while building reusable components and optimizing for Core Web Vitals. The ideal candidate ...