226 to 250 of 268 Clean Code Jobs

Java Engineer – Buyside FX Trading Systems

Hiring Organisation
Albert Bow
Location
City of London, London, United Kingdom
Java Engineer to join a small, elite engineering team inside a buyside FX trading firm building proprietary systems that directly trade capital. Your code won’t feed dashboards or client portals — it will sit at the heart of a live trading engine, influencing execution, performance, and real P&L. … production trading environment. Who This Is For We’re looking for a junior–mid level Java engineer who can: Pick up tickets independently Write clean, production‐ready code Deliver without constant oversight This is not a senior or architectural role — you won’t own trading logic or redesign ...

Senior Full Stack Engineer (Node/React)

Hiring Organisation
Oliver Bernard
Location
United Kingdom
microservices & APIs Develop modern, scalable React UIs Ship cloud-native systems on AWS Collaborate with product & AI specialists to turn ideas into features Champion clean, testable, reliable code 🔹 Why Join Hands-on role with real ownership Work with modern cloud architecture & AI products Fully remote, but part ...

Scala Developer

Hiring Organisation
Teksystems
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £900/day
based platforms. Apply functional programming principles and Domain-Driven Design (DDD) to create maintainable, testable, and well-structured codebases. Participate actively in Agile ceremonies, code reviews, and continuous improvement initiatives to enhance delivery quality and team effectiveness. Essential Skills Strong proficiency in Scala development with a focus on writing … clean, efficient, and reliable code. Solid experience with functional programming principles and their practical application in production systems. Hands-on experience designing and building high-performance, distributed systems. Practical understanding of high-performance system patterns, including event-driven and low-latency architectures. experience working within Agile delivery teams ...

PHP 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 Engineer

Hiring Organisation
Auros
Location
United Kingdom
responsible for troubleshooting system issues as and when they occur. Identify opportunities for system improvements. Engage with the team during system design discussions, code reviews, trading idea brainstorms. Who you are Our ideal candidate will have: Software engineer with 5+ years experience in developing clean, maintainable, performant code. … both Python and C#. Good programming skills, with a strong understanding of data structures and algorithms. You can find the balance between delivering clean, testable, reliable code and rapidly deploying new system features to take advantage of market opportunities. You are reliable, take pride in delivering robust software ...

Front End Game Developer

Hiring Organisation
1X2 Network
Location
Brighton, England, United Kingdom
within the iGaming industry. Key Responsibilities: Design, develop, and maintain high-quality HTML5 slot and casino games using PixiJS and/or Phaser.js. Write clean, maintainable, and efficient code using JavaScript (ES6+) and TypeScript. Enhance and extend our award-winning codebasewith new features, animations, and game mechanics. Maintain … Mathematicians to deliver polished, engaging slot experiences. Ensure performance optimisation across devices and browsers. Follow best practices for version control (Git/Bitbucket) and code documentation. Collaborate in an Agile development environment and contribute ideas during design and sprint planning sessions. Guarantee compliance with industry standards and technical certification ...

Flutter Developer

Hiring Organisation
Addition
Location
Milton Keynes, England, United Kingdom
Doing: Develop and enhance mobile applications using Flutter across key platforms Collaborate closely with cross-functional teams to deliver new features and improvements Write clean, scalable, and maintainable code with a strong architectural mindset Take ownership of your work, from planning through to delivery Contribute to technical discussions … mobile development (iOS/Android) or similar strongly typed languages Solid understanding of mobile architectures (e.g. MVVM, MVP) Experience building scalable, testable applications with clean design patterns Hands-on experience with UI development, design systems, and tools like Figma Good knowledge of testing approaches (unit, integration, UI testing) Familiarity ...

Software Engineer

Hiring Organisation
X4 Technology
Location
Essex, England, United Kingdom
part of an ambitious and evolving digital roadmap. What you’ll be doing: Designing, developing, and maintaining web applications from the ground up Writing clean, efficient, and scalable code using best practices Collaborating with designers, developers, and business stakeholders Building and integrating REST APIs Improving and enhancing existing ...

Wordpress Developer

Hiring Organisation
Itineris
Location
Shoreditch, Somerset, UK
digital experiences. What You’ll Be Doing Developing custom WordPress themes and plugins Maintaining and enhancing existing WordPress sites Translating designs and requirements into clean, efficient code Ensuring performance, security, scalability, and accessibility best practices Troubleshooting issues and providing ongoing technical support Collaborating with cross‐functional teams ...

Wordpress Developer

Hiring Organisation
Itineris
Location
Shoreditch, England, United Kingdom
digital experiences. What You’ll Be Doing Developing custom WordPress themes and plugins Maintaining and enhancing existing WordPress sites Translating designs and requirements into clean, efficient code Ensuring performance, security, scalability, and accessibility best practices Troubleshooting issues and providing ongoing technical support Collaborating with cross‐functional teams ...

Junior Site Reliability Engineer

Hiring Organisation
RevTech
Location
London Area, United Kingdom
Strong Linux administration and troubleshooting experience Experience building and maintaining CI/CD pipelines Strong Terraform experience, including designing reusable modules Ability to write clean, maintainable production-quality code in Python or Bash Solid networking knowledge including DNS, load balancing, and CDN concepts Experience with monitoring/observability ...

Web Developer

Hiring Organisation
Stafflex Ltd
Location
Cleckheaton, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent
Salary
£35,000
knowledge is acceptable, as structured learning and on-site training is available. Key Responsibilities Assist in developing and maintaining web applications using Laravel Writing clean, efficient, and maintainable code using HTML, CSS, and JavaScript Supporting front-end development, ensuring responsive, user-friendly interfaces Working with WordPress … designers and senior developers on new features Debugging and troubleshooting issues across browsers and devices Ensuring cross-browser compatibility and mobile responsiveness Contributing to code reviews and development best practice Meeting project deadlines and working effectively as part of a small team Supporting other areas of business where required ...

AI Software Developer

Hiring Organisation
Thomas Professional
Location
Cirencester, Gloucestershire, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £75,000 per annum
refine large language model performance and outputs • Collaborate with cross-functional teams to deliver scalable, production-ready systems • Contribute to best practices in clean, maintainable and efficient code Person Requirements: • Strong experience writing high-quality Python in a commercial environment • Hands-on experience working with large language models ...

Lead RPG Developer (IBM i)

Hiring Organisation
Morson Edge
Location
City of London, London, United Kingdom
Employment Type
Permanent
expectations, and secure coding practices. Key Responsibilities Gather and document requirements and user stories aligned with business needs and solution architecture Develop high-quality, clean, and testable RPG code in accordance with development standards Ensure all development adheres to secure coding principles and the Bank's IT Development ...

Data Engineer

Hiring Organisation
Searchability NS&D
Location
Manchester Area, United Kingdom
Stores. Troubleshoot and diagnose issues within integrated (enriched) data systems. Collaborate with the scrum team to decompose user requirements into epics and stories. Write clean, secure, and reusable code following a test-driven development approach. Monitor system performance and implement updates to maintain optimal operation. The Data Engineer ...

Data Scientist / Machine Learning Scientist

Hiring Organisation
Russell Tobin
Location
London Area, United Kingdom
will make pragmatic decisions that balance model performance, system latency, and cost efficiency . Core Requirements You have strong Python skills and can write clean, production-grade code , with a solid understanding of system design principles. You have proven experience shipping LLM-powered systems into production , with clear ...

Senior Quant Software Developer : Elite Quant Fund : Python/C++ : £150-200k base plus huge bonus

Hiring Organisation
Hunter Bond
Location
London Area, United Kingdom
high impact and low ego. The successful candidate will work at the intersection of quantitative research, data engineering, and high-performance software development — with code that moves rapidly from prototype to production and directly influences trading performance. The Role As a Quant Developer, you will: Collaborate closely with quant … researchers to productionise models and design scalable research/tooling infrastructure Develop high-performance, robust code across Python and C++ Build and maintain data pipelines, research platforms, and components of the live trading stack Optimise system performance, reliability, and throughput across large-scale datasets Contribute to architectural decisions across ...

Software Engineer

Hiring Organisation
Technify Talent
Location
Guildford, England, United Kingdom
role in shaping the next generation of our platform. This is an ideal opportunity for an engineer who enjoys working with complex systems, values clean and maintainable code, and is motivated by meaningful technical challenges. Key Responsibilities Design, build, test, and deliver new features within a desktop-based ...

Web Developer

Hiring Organisation
Erin Associates
Location
Ilkeston, Derbyshire, East Midlands, United Kingdom
Employment Type
Permanent
Salary
£50,000
enhance the system Develop and maintain APIs, databases, and system integrations Identify opportunities to improve performance, reliability, and usability of software systems Write clean and efficient code Requirements: Proven experience in a Web Development role PHP Laravel AWS Bonus points for full stack experience Understanding of modern tech ...

Software Developer Mobile (iOS / Android)

Hiring Organisation
AWD Online
Location
Scarborough, North Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent
Integration Support: Assist with integration of third-party services and APIs Issue Resolution: Identify, troubleshoot and resolve technical issues to maintain performance and usability Code Quality & Optimisation: Contribute to clean, efficient and scalable code development CANDIDATE REQUIREMENTS ESSENTIAL Experience developing mobile applications using Kotlin or Jetpack Compose ...

Bicep SME

Hiring Organisation
eTeam
Location
United Kingdom
Title: Bicep SME Location: Remote Duration: 6 months Rate: 537GBP/Day(Inside IR35) Role Description: • The requirement is for a Lead Infrastructure as Code (IaC) Developer specializing in Bicep to architect and automate Linklaters’ Azure environment. You will bridge the gap between platform engineering, application teams and Linklaters … Automation: Integrate Bicep templates into robust Azure DevOps or GitHub Actions CI/CD pipelines. • Security & Governance: Implement Azure Policy and ""Guardrails as Code"" to ensure compliance and cost management. • State Management: Transition legacy ARM templates or manual builds into clean, Bicep code. Required Expertise • Advanced Bicep: Mastery ...

Bicep SME CGEMJP

Hiring Organisation
Experis
Location
United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Remote Rate: up to 560 p/d Umbrella inside IR35 Role purpose/summary Our client is looking for a Lead Infrastructure as Code (IaC) Developer specializing in Bicep to architect and automate our client's Azure environment. You will bridge the gap between platform engineering, application teams … Automation : Integrate Bicep templates into robust Azure DevOps or GitHub Actions CI/CD pipelines. Security & Governance : Implement Azure Policy and Guardrails as Code to ensure compliance and cost management. State Management : Transition legacy ARM templates or manual builds into clean, Bicep code. Required Expertise Advanced Bicep : Mastery ...

Bicep SME CGEMJP00339238

Hiring Organisation
Experis
Location
Nationwide, United Kingdom
Employment Type
Contract
Remote Rate: up to £560 p/d Umbrella inside IR35 Role purpose/summary Our client is looking for a Lead Infrastructure as Code (IaC) Developer specializing in Bicep to architect and automate our client's Azure environment. You will bridge the gap between platform engineering, application teams … Automation : Integrate Bicep templates into robust Azure DevOps or GitHub Actions CI/CD pipelines. Security & Governance : Implement Azure Policy and ""Guardrails as Code"" to ensure compliance and cost management. State Management : Transition legacy ARM templates or manual builds into clean, Bicep code. Required Expertise Advanced Bicep : Mastery ...

Software Engineer (m/f/d)

Hiring Organisation
TASKING
Location
Birkenhead, England, United Kingdom
develop commercial software tools and support embedded software solutions. From day one, you will be involved in the full development lifecycle—translating requirements into code, testing, and maintaining applications used in real-world business environments. Responsibilities: Write, test, and maintain software programs used in business-critical applications. Translate software … requirements into clean, workable programming code. Write specifications and design, build, test, implement, and support applications using programming languages and development tools. Script and automate tasks using batch, Bash, Python, and similar tools. Support the development and improvement of embedded software solutions. Collaborate with technical and non-technical colleagues ...

Full-Stack Engineer (Angular Only + UX Focus)

Hiring Organisation
Admin Please
Location
London Area, United Kingdom
full-stack architectures from scratch Develop backend services using Encore TS (experience with Express is highly transferable and sufficient) Build and consume APIs, ensuring clean data flow between front-end and back-end Work with PostgreSQL and Prisma for data modeling and persistence Deploy and maintain services on Google … Cloud Platform (GCP) Build and maintain mobile applications using Capacitor Style applications using Tailwind CSS (and maintain existing SCSS where needed) Write clean, maintainable, and efficient code across the stack Debug, troubleshoot, and optimize performance for a seamless user experience Collaborate closely with the founding team on product ...