26 to 44 of 44 Clean Code Jobs in the City of London

Scala Data Engineer

Hiring Organisation
Sky
Location
City Of Westminster, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
technical solutions with business goals. Refining the team processes to continuously integrate and working towards a continuously deliverable application. Championing best practices to develop clean, resilient code that performs at serious scale. Coaching and providing feedback to fellow developers. What you'll bring Strong software engineering skills with ...

Shopify Developer

Hiring Organisation
Ecomlanders
Location
City of London, London, United Kingdom
performance Shopify Developer to join the Ecomlanders team on a project-by-project basis. We need a technical expert who understands the intersection of clean code and conversion rate optimization (CRO). You will be responsible for building scalable, responsive Shopify storefronts engineered to increase … experience check. Technical Task: Shortlisted candidates will complete a hands-on technical task to be reviewed by our Head of Development to assess code quality, logic, and Shopify-specific knowledge. What You’ll Do Develop custom Shopify themes and high-converting landing pages. Implement features designed to boost ...

Backend Software Engineer Java - Futures Trading

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
have a good knowledge of AWS You also have an appreciation of UI development with TypeScript/React You take in pride in producing clean, high quality code You're familiar with modern software engineering tools such as Kafka, Kubernetes, MongoDB You are collaborative and pragmatic, able ...

Junior Front-End Engineer

Hiring Organisation
ivee
Location
City of London, London, United Kingdom
applications. You will work closely with designers and back-end developers to create seamless user experiences using modern front-end technologies. You will write clean, maintainable code and ensure optimal performance across all devices. Key responsibilities: - Develop new user-facing features using React, Vue, or Angular - Build reusable … code and libraries for future use - Ensure the technical feasibility of UI/UX designs - Optimise applications for maximum speed and scalability - Collaborate with back-end developers and web designers - Implement responsive design principles - Conduct code reviews and mentor junior developers - Stay up-to-date with emerging front ...

Frontend React Developer

Hiring Organisation
Explore Group
Location
City of London, London, 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 ...

Java Developer Spring Boot AWS - Trading

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
have a good knowledge of AWS You also have an appreciation of UI development with TypeScript/React You take in pride in producing clean, high quality code You're familiar with modern software engineering tools such as Kafka, Kubernetes, MongoDB You are collaborative and motivated to learn ...

Senior Java Developer (Low-Latency Payments Systems)

Hiring Organisation
RE Partners
Location
City of London, London, United Kingdom
Knowledge of payment gateways, ISO 20022, or SWIFT formats. • Collaborative, fast-paced, and engineering-driven culture. • Emphasis on engineering autonomy, architectural decision-making, and clean code. Collaborative, fast-paced, and engineering-driven culture. Emphasis on engineering autonomy, architectural decision-making, and clean code. Join Our Global Team ...

Full Stack Engineer

Hiring Organisation
Gravitas Recruitment Group (Global) Ltd
Location
City of London, London, United Kingdom
stakeholders, and happy taking ownership of their work end to end. Key Responsibilities Build and deliver new features across frontend and backend systems Write clean, maintainable code using modern JavaScript and cloud-native patterns Design and work with PostgreSQL databases and scalable APIs Work closely with product, compliance … engineering teams to solve real-world problems Contribute to architectural decisions and improvements as the platform scales Support code quality through testing, CI/CD, and peer review Key Skills & Experience Strong experience with React and Next.js Backend development experience with Node.js and API-driven architectures Experience working with ...

DeFi Developer | London

Hiring Organisation
AAA Global
Location
City of London, London, United Kingdom
stack — from on-chain integrations and execution logic , to infrastructure, monitoring, and performance optimization . What you’ll do Build and ship production-grade code (primarily Rust + Python ) Develop systems that interact with on-chain protocols and infrastructure (Solidity, JSON-RPC, Solana, MEV workflows, etc.) Improve real-time … fast by working on hard, meaningful problems. You should have: 3–7 years of professional software engineering experience Strong fundamentals and ability to write clean, testable, efficient code Solid CS foundation: algorithms, data structures, concurrency, networking, etc. Strong ownership mindset and clear communication Signals of technical excellence ...

Principle AI / ML Engineer

Hiring Organisation
Prolo
Location
City of London, London, United Kingdom
implement complex, scalable, and secure applications. Develop the architecture and ensure adherence to best practices. Optimize system performance and troubleshoot critical issues. Write clean, efficient, and maintainable code in Python, Java, and other high-level languages. Advocate for automation, testing, and continuous integration practices. Innovation & Research Stay current ...

Senior Python Engineer

Hiring Organisation
Safe Intelligence
Location
City of London, London, United Kingdom
lead and implement the improvement of algorithms, optimising execution, usability, and package architecture of our ML Verification packages. Note that this is a Python code focused role, rather than a Data Science role, so Python programming skills are the priority, where as Machine Learning and Data Science skills … both product and research teams. As a Safe Intelligence Senior Python Engineer , you will: Play a leadership and mentoring role in Python package and code development including strong modelling of best practice and efficient procedures. Productise a set of Python packages and tools for use in machine learning applications ...

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

Hiring Organisation
Hunter Bond
Location
City of London, London, 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 ...

Mobile Engineer

Hiring Organisation
Expedia Group
Location
City of London, London, United Kingdom
native Android apps used by millions of travellers. Partner with Product, Design, and back‐end teams to turn requirements into robust Android solutions. Write clean, maintainable Kotlin code using modern Android architectures and Jetpack libraries. Ensure performance, stability, and accessibility across the Android experiences you own. … safe, incremental releases. Use data, experimentation, and customer feedback to iterate and improve existing features. Help strengthen our engineering culture by contributing to code reviews, shared standards, and team learning. Minimum Qualifications: Bachelor’s degree in Computer Science or a related technical field; or equivalent related professional experience. 2+ ...

Senior Software Engineer

Hiring Organisation
Formula Recruitment
Location
City of London, London, United Kingdom
revolutionising how companies leverage data to empower their business. They are looking for a performance focused Senior Engineer with a passion for writing clean, efficient, and maintainable code. This is an exciting opportunity to join collaborative and innovative startup with opportunities for professional growth and learning. What … Profile and tune Node.js applications for performance and memory efficiency. Ensure secure API design and compliance with data privacy regulations. Contribute to architecture discussions, code reviews, and documentation. Key requirements Strong experience with Node.js in production environments. Experience with VPS-based deployments. Solid understanding of microservice architecture and distributed ...

Software Engineer C++

Hiring Organisation
Platform Recruitment Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Location : Remote (London office) Salary : £80,000 - £115,000 Skills : C++, Algorithms, Boost Overview : Are you someone that thinks that writing slick, classy C++ code can and should be an art? Would you like to be part of an internationally recognised team of C++ experts led by the brightest … year 2. About you : STEM degree from a top university OR commercial C++ expertise Significant bias towards C++ development Genuine passion for writing clean, performant code Bonus if : Commercial C++ experience Have worked on open-source projects Have an activity portfolio of personal C++ projects Full details ...

Senior Frontend Engineer

Hiring Organisation
Plexus Resource Solutions Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
their web3 products and ecosystems. Role: Collaborate with UX/UI designers and backend engineers to build and maintain high-quality web applications. Write clean, efficient and maintainable code that meets industry standards. Implement responsive design patterns to ensure optimal viewing and interaction across a variety of devices. ...

Mobile Engineer

Hiring Organisation
Expedia Group
Location
City of London, London, United Kingdom
native iOS apps, from idea to production. Collaborate with Product, Design, and back‐end teams to turn customer problems into elegant iOS solutions. Write clean, maintainable Swift code that follows modern iOS architecture and platform best practices. Ensure high performance, reliability, and accessibility across the experiences you own. … incremental, safe releases. Use data and customer feedback to continually improve features and user journeys. Help strengthen our engineering culture by contributing to code reviews, shared standards, and team learning. Minimum Qualifications: Bachelor’s degree in Computer Science or a related technical field; or Equivalent related professional experience. 2+ ...

Rust Developer

Hiring Organisation
Radley James
Location
City of London, London, United Kingdom
engineers. Requirements 6-8 years of related experience, familiar in Linux environment; University degree in Computer Science, Software Engineering, or related disciplines You write clean and efficient code in Rust You demonstrate strong interest in financial markets and blockchain technologies You own your deliverables, reliability, scalability, and maintainability ...

Machine Learning Engineer Space & Satellite

Hiring Organisation
Get2Talent
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Python programming skills Experience with PyTorch, TensorFlow, or optimisation libraries (e.g. Gurobi, OR-Tools) Strong technical communication and stakeholder engagement skills Ability to write clean, efficient, maintainable code Interest in explaining and presenting complex technology Desirable Experience in satellite, wireless communications, or software-defined networking Background in technical ...