126 to 148 of 148 Clean Code Jobs in London

iteration You’ll thrive if you: Are a strong generalist with experience across both backend and frontend Are pragmatic, curious, and motivated by solving real user problems Care about clean, maintainable code and strong engineering practices Enjoy autonomy and building in fast-moving environments Are excited by AI’s potential to accelerate development and improve workflows Why this More ❯

iteration You’ll thrive if you: Are a strong generalist with experience across both backend and frontend Are pragmatic, curious, and motivated by solving real user problems Care about clean, maintainable code and strong engineering practices Enjoy autonomy and building in fast-moving environments Are excited by AI’s potential to accelerate development and improve workflows Why this More ❯

iteration You’ll thrive if you: Are a strong generalist with experience across both backend and frontend Are pragmatic, curious, and motivated by solving real user problems Care about clean, maintainable code and strong engineering practices Enjoy autonomy and building in fast-moving environments Are excited by AI’s potential to accelerate development and improve workflows Why this More ❯

iteration You’ll thrive if you: Are a strong generalist with experience across both backend and frontend Are pragmatic, curious, and motivated by solving real user problems Care about clean, maintainable code and strong engineering practices Enjoy autonomy and building in fast-moving environments Are excited by AI’s potential to accelerate development and improve workflows Why this More ❯

is central to every decision, and Python is the backbone of our strategy development and execution stack. We're looking for a world-class Python Software Engineer who writes clean, fast, production-grade code—and knows how to work where performance meets precision. What You'll Work On: Architect tools and infrastructure for quantitative research and trading strategy … real-time reporting What Sets You Apart: Deep experience with Python in a high-performance, production-grade setting. Strong fundamentals in software engineering: testing, version control, CI/CD, clean architecture Passion for building internal tools, research frameworks, or working on data-heavy systems Bonus: Exposure to pandas, NumPy, asyncio, Cython, or PyArrow. Familiarity with C++ is a plus More ❯

of growth. You'll be joining a distributed engineering team and will play a key role in delivering new products, improving internal tooling, and helping set the standard for clean, maintainable code. Key Projects You'll contribute to three core initiatives, each with clear deliverables and tangible business impact: AutoBI Tool (3 months) - Build backend functionality for a pricing … built in collaboration with marketing and growth teams. These projects are well-defined, fast-moving, and will give you full ownership of backend delivery. Responsibilities Develop, test, and deliver clean, scalable backend code using Python and Django Collaborate closely with PMs, frontend engineers, and QA teams to deliver end-to-end features Take ownership of key deliverables across More ❯

Building and scaling a Node.js application that sits at the core of the product Designing and implementing new features for different sectors and use cases Helping drive improvements in code quality, architecture, and testing practices Working closely with product and engineering to prioritise, shape, and deliver features Introducing best practices and guiding a shift towards cleaner, more maintainable code … development Comfortable working across or picking up other tech as needed ie AWS, React etc (If you have experience with AWS & React, that is a bonus) Enthusiasm for writing clean, tested, production-ready code Experience (or interest) in data-heavy systems, IoT, or connected devices Ultimately, this is a backend focussed position, so as a Senior Software Engineer More ❯

best practices, with a focus on scalability and performance. Configure and develop solutions across Salesforce Service Cloud and Experince Cloud Estimate Jira stories accurately and deliver robust, well-tested code in line with agreed timelines. Write clean, efficient Apex code and utilize Salesforce’s declarative tools to meet business needs. Conduct unit testing, document results, and contribute … to system testing cycles. Maintain and enhance CI/CD pipelines using tools such as GitHub, ensuring seamless code deployment and version control. Review and manage the impact of Salesforce seasonal releases, including system updates and regression testing. Essential Skills and Experience Significant hands-on experience as a Salesforce Developer in complex environments. Expertise in Apex, Lightning Web Components More ❯

best practices, with a focus on scalability and performance. Configure and develop solutions across Salesforce Service Cloud and Experince Cloud Estimate Jira stories accurately and deliver robust, well-tested code in line with agreed timelines. Write clean, efficient Apex code and utilize Salesforce’s declarative tools to meet business needs. Conduct unit testing, document results, and contribute … to system testing cycles. Maintain and enhance CI/CD pipelines using tools such as GitHub, ensuring seamless code deployment and version control. Review and manage the impact of Salesforce seasonal releases, including system updates and regression testing. Essential Skills and Experience Significant hands-on experience as a Salesforce Developer in complex environments. Expertise in Apex, Lightning Web Components More ❯

mobile performance optimisation Experience integrating APIs, CI/CD pipelines, and app store deployments Ability to make architectural decisions and lead technical discussions Passion for education, user experience, and clean, maintainable code Previous experience in a lead or senior developer role within a product-focused environment If you are interested in this role, please apply with a copy More ❯

mobile performance optimisation Experience integrating APIs, CI/CD pipelines, and app store deployments Ability to make architectural decisions and lead technical discussions Passion for education, user experience, and clean, maintainable code Previous experience in a lead or senior developer role within a product-focused environment If you are interested in this role, please apply with a copy More ❯

mobile performance optimisation Experience integrating APIs, CI/CD pipelines, and app store deployments Ability to make architectural decisions and lead technical discussions Passion for education, user experience, and clean, maintainable code Previous experience in a lead or senior developer role within a product-focused environment If you are interested in this role, please apply with a copy More ❯

hardware acceleration to build high-performance, low-latency video capture, processing, AI inference, visualization, and streaming software. Develop robust and secure-by-design software for a regulated environment. Maintain code quality, reliability, and performance , participating in peer reviews and continuous improvement. Must Haves ? Expertise in WebRTC live video streaming development. ? Strong experience with software video pipelines (eg, GStreamer, FFmpeg … . ? Excellent C++ (C+ or higher) skills, including multi-threading, inter-process communication, and performance optimisation. ? Proven ability to deliver clean, maintainable, well-documented code . ? A proactive self-starter able to take projects from concept to production . ? Excellent communication and collaboration skills. Nice to Haves ? Experience embedding Vonage (TokBox) Video API/SDK into native apps More ❯

and modern cloud infrastructure. Deep understanding of system design, scalability, and reliability . A product-oriented mindset — you design with end users and UX impact in mind. Passion for clean abstractions, maintainable code, and well-defined interfaces. Nice-to-haves Experience with cloud-native infrastructure (AWS, GCP, or Azure). Familiarity with auth, billing, or subscription systems . More ❯

and modern cloud infrastructure. Deep understanding of system design, scalability, and reliability . A product-oriented mindset — you design with end users and UX impact in mind. Passion for clean abstractions, maintainable code, and well-defined interfaces. Nice-to-haves Experience with cloud-native infrastructure (AWS, GCP, or Azure). Familiarity with auth, billing, or subscription systems . More ❯

and modern cloud infrastructure. Deep understanding of system design, scalability, and reliability . A product-oriented mindset — you design with end users and UX impact in mind. Passion for clean abstractions, maintainable code, and well-defined interfaces. Nice-to-haves Experience with cloud-native infrastructure (AWS, GCP, or Azure). Familiarity with auth, billing, or subscription systems . More ❯

and modern cloud infrastructure. Deep understanding of system design, scalability, and reliability . A product-oriented mindset — you design with end users and UX impact in mind. Passion for clean abstractions, maintainable code, and well-defined interfaces. Nice-to-haves Experience with cloud-native infrastructure (AWS, GCP, or Azure). Familiarity with auth, billing, or subscription systems . More ❯

much like an agile start-up. Technical Leadership & Delivery Own the technical direction and architecture of all mobile applications Break down business requirements into clear, actionable implementation tasks Write clean, efficient, and testable code in Dart using Flutter Enforce secure coding practices and modern architectural standards Lead code reviews, maintain high test coverage, and ensure app performance More ❯

much like an agile start-up. Technical Leadership & Delivery Own the technical direction and architecture of all mobile applications Break down business requirements into clear, actionable implementation tasks Write clean, efficient, and testable code in Dart using Flutter Enforce secure coding practices and modern architectural standards Lead code reviews, maintain high test coverage, and ensure app performance More ❯

much like an agile start-up. Technical Leadership & Delivery Own the technical direction and architecture of all mobile applications Break down business requirements into clear, actionable implementation tasks Write clean, efficient, and testable code in Dart using Flutter Enforce secure coding practices and modern architectural standards Lead code reviews, maintain high test coverage, and ensure app performance More ❯

much like an agile start-up. Technical Leadership & Delivery Own the technical direction and architecture of all mobile applications Break down business requirements into clear, actionable implementation tasks Write clean, efficient, and testable code in Dart using Flutter Enforce secure coding practices and modern architectural standards Lead code reviews, maintain high test coverage, and ensure app performance More ❯

Building and scaling a Node.js application that sits at the core of the product Designing and implementing new features for different sectors and use cases Helping drive improvements in code quality, architecture, and testing practices Working closely with product and engineering to prioritise, shape, and deliver features Introducing best practices and guiding a shift towards cleaner, more maintainable code … Node.js Comfortable working across or picking up other tech as needed – ie AWS, React etc (If you have experience with AWS & React, that is a bonus) Enthusiasm for writing clean, tested, production-ready code Experience (or interest) in data-heavy systems, IoT, or connected devices If you’re an engineer who likes solving real problems, shaping a product More ❯

platforms Work on the backend services that power job search, matching, and application submission Collaborate closely with the frontend and product teams to deliver fast, reliable user experiences Write clean, maintainable code and contribute to system design discussions Help improve the performance and scalability of our job search and application engine Our Stack Auto-Apply: Playwright, Python, FastAPI … global user base Be part of a profitable and sustainable business, not a burn-and-churn startup Work on critical systems that power the core of the product, your code will have real impact from day one Learn fast and grow quickly by taking ownership of challenging, high-leverage problems Small, high-performing team, direct communication, no bureaucracy Regular More ❯