21 of 21 Part-Time Clean Code Jobs in London

services Build internal tooling for authentication, rate limiting, and quota management Collaborate cross-functionally with product, design, and customer experience teams Optimize systems for performance, scalability, and security Write clean, maintainable, and efficient code Stay current with new technologies and bring fresh ideas to the table Tech Stack Languages: Python, TypeScript Infrastructure: AWS (ECS, SQS, Parameter Store), Docker … building backend systems in production environments Strong knowledge of database design, API architecture, and cloud infrastructure Hands-on experience with high-throughput systems and background job queues Passionate about clean code, strong abstractions, and great developer experience Comfortable taking ownership across the stackfrom code to monitoring and deployment More ❯

services Build internal tooling for authentication, rate limiting, and quota management Collaborate cross-functionally with product, design, and customer experience teams Optimize systems for performance, scalability, and security Write clean, maintainable, and efficient code Stay current with new technologies and bring fresh ideas to the table Tech Stack Languages: Python, TypeScript Infrastructure: AWS (ECS, SQS, Parameter Store), Docker … building backend systems in production environments Strong knowledge of database design, API architecture, and cloud infrastructure Hands-on experience with high-throughput systems and background job queues Passionate about clean code, strong abstractions, and great developer experience Comfortable taking ownership across the stackfrom code to monitoring and deployment More ❯

intersection of artificial intelligence and real estate technology. Their mission is to reshape how people discover, evaluate, and invest in property, using AI-driven insights, intelligent automation, and a clean, modern user experience. With ambitious growth plans and a culture that values innovation, collaboration, and autonomy, this is an exciting opportunity to join an early-stage company making a … real impact. The Role Were seeking a Full Stack TypeScript Engineer whos passionate about clean code, modern frameworks, and building products that matter. Youll work across the stack from crafting elegant user interfaces to developing scalable backend systems and play a key role in shaping new features and technical direction. This is a hands-on role in a … TypeScript Develop intuitive, high-performance user interfaces with React/Next.js Implement robust APIs and backend logic with NestJS Work with data pipelines, integrations, and AI-driven services Write clean, maintainable, and well-tested code Collaborate closely with founders, designers, and product leads Candidate Requirements Strong experience with Typescript (personal projects are okay) Minimum 1 year of commercial More ❯

intersection of artificial intelligence and real estate technology. Their mission is to reshape how people discover, evaluate, and invest in property, using AI-driven insights, intelligent automation, and a clean, modern user experience. With ambitious growth plans and a culture that values innovation, collaboration, and autonomy, this is an exciting opportunity to join an early-stage company making a … real impact. The Role Were seeking a Full Stack TypeScript Engineer whos passionate about clean code, modern frameworks, and building products that matter. Youll work across the stack from crafting elegant user interfaces to developing scalable backend systems and play a key role in shaping new features and technical direction. This is a hands-on role in a … TypeScript Develop intuitive, high-performance user interfaces with React/Next.js Implement robust APIs and backend logic with NestJS Work with data pipelines, integrations, and AI-driven services Write clean, maintainable, and well-tested code Collaborate closely with founders, designers, and product leads Candidate Requirements Strong experience with Typescript (personal projects are okay) Minimum 1 year of commercial More ❯

at scale. Full remote flexibility across the UK, total ownership of greenfield projects, modern tech stack (Python/FastAPI/Cloud), and a culture that rewards curiosity, autonomy, and clean engineering. An AI HealthTech company is expanding its high-calibre engineering team and looking for Software Engineers who thrive on building elegant, scalable systems from the ground up. Youll … Knowledge of system design, data modelling, and distributed architecture Familiarity with cloud technologies (AWS, Azure, or GCP) and containerisation Understanding of software engineering best practices testing, CI/CD, clean code A genuine interest in AI systems, automation, and applying engineering to real-world impact Sells Fully remote working across the UK, with an optional Holborn office Chance More ❯

at scale. Full remote flexibility across the UK, total ownership of greenfield projects, modern tech stack (Python/FastAPI/Cloud), and a culture that rewards curiosity, autonomy, and clean engineering. An AI HealthTech company is expanding its high-calibre engineering team and looking for Software Engineers who thrive on building elegant, scalable systems from the ground up. Youll … Knowledge of system design, data modelling, and distributed architecture Familiarity with cloud technologies (AWS, Azure, or GCP) and containerisation Understanding of software engineering best practices testing, CI/CD, clean code A genuine interest in AI systems, automation, and applying engineering to real-world impact Sells Fully remote working across the UK, with an optional Holborn office Chance More ❯

and the chance to develop your skills in a supportive, high-growth environment. What Youll Do Build new features and maintain existing ones across frontend and backend systems Write clean, maintainable code while learning best practices from experienced engineers Collaborate closely with the team to deliver high-quality products Contribute ideas to improve both product and technical decisions More ❯

and the chance to develop your skills in a supportive, high-growth environment. What Youll Do Build new features and maintain existing ones across frontend and backend systems Write clean, maintainable code while learning best practices from experienced engineers Collaborate closely with the team to deliver high-quality products Contribute ideas to improve both product and technical decisions More ❯

to shape the architecture behind cutting-edge AI-driven platforms. Youll work closely with AI and product teams to bring intelligent features into production solving high-impact problems with clean, scalable code. Responsibilities: Architect, design, and build robust backend systems and APIs using Python. Collaborate with AI and data teams to integrate models into production environments. Optimise and scale … distributed systems and data pipelines for performance and reliability. Contribute to overall technical strategy, code reviews, and system architecture discussions. Work cross-functionally with design and product to translate complex requirements into elegant engineering solutions. Maintain best practices for testing, CI/CD, and documentation. Requirements: Strong academic foundation in Computer Science, Engineering, or related discipline. 3+ years of More ❯

to shape the architecture behind cutting-edge AI-driven platforms. Youll work closely with AI and product teams to bring intelligent features into production solving high-impact problems with clean, scalable code. Responsibilities: Architect, design, and build robust backend systems and APIs using Python. Collaborate with AI and data teams to integrate models into production environments. Optimise and scale … distributed systems and data pipelines for performance and reliability. Contribute to overall technical strategy, code reviews, and system architecture discussions. Work cross-functionally with design and product to translate complex requirements into elegant engineering solutions. Maintain best practices for testing, CI/CD, and documentation. Requirements: Strong academic foundation in Computer Science, Engineering, or related discipline. 3+ years of More ❯

in Python Solid understanding of backend architecture, API design, and data modeling Comfortable working with cloud infrastructure and distributed systems Strong problem-solving skills and a bias for shipping clean, maintainable code Experience collaborating in a fast-paced startup or product-focused environment Passion for AI, automation, and scalable engineering Nice-to-Haves Experience integrating AI models into More ❯

in Python Solid understanding of backend architecture, API design, and data modeling Comfortable working with cloud infrastructure and distributed systems Strong problem-solving skills and a bias for shipping clean, maintainable code Experience collaborating in a fast-paced startup or product-focused environment Passion for AI, automation, and scalable engineering Nice-to-Haves Experience integrating AI models into More ❯

two Senior Full Stack Engineers who thrive in high-growth start-up environments: people who take ownership, drive architectural decisions, and love getting hands-on with POCs, innovation, and clean, maintainable code. Youll need strong React UI experience and backend expertise in Go , Ruby , C# , or Java (with a willingness to cross-train into Go). The wider application … a growing distributed architecture. Develop intuitive, performant React components that enhance the user experience. Collaborate with Product and Design teams to turn complex requirements into elegant technical solutions. Write clean, testable, and maintainable code across the stack. Participate in architectural discussions and shape engineering best practices. Troubleshoot and resolve production issues across services and systems. Contribute to CI More ❯

two Senior Full Stack Engineers who thrive in high-growth start-up environments: people who take ownership, drive architectural decisions, and love getting hands-on with POCs, innovation, and clean, maintainable code. Youll need strong React UI experience and backend expertise in Go , Ruby , C# , or Java (with a willingness to cross-train into Go). The wider application … a growing distributed architecture. Develop intuitive, performant React components that enhance the user experience. Collaborate with Product and Design teams to turn complex requirements into elegant technical solutions. Write clean, testable, and maintainable code across the stack. Participate in architectural discussions and shape engineering best practices. Troubleshoot and resolve production issues across services and systems. Contribute to CI More ❯

join their talented engineering team to work on a mix of greenfield development and legacy systems. Youll get to make an impact from day one shaping architecture and writing clean code. What Youll Do: Youll rebuild a legacy user portal using React and Python. Create modern interface for users to set up subscriptions, manage interests, and perform advanced searches … software engineering experience with Python (FastAPI/Flask) and React. Experience with cloud platforms (GCP/AWS/Azure) and Elasticsearch. Familiarity with CI/CD and infrastructure-as-code tools like Docker, GitHub Actions, or Terraform. Strong problem-solving mindset, comfortable with full-stack development, and collaborative in a cloud-native environment. Microservices, event-driven architecture, data scraping More ❯

app , improving how Nandocas connect, communicate, and engage. Integrate existing systems and APIs into a seamless employee experience. Build and enhance Node.js (Express) APIs, deployed as Docker containers. Write clean, tested, maintainable code with unit, integration, and end-to-end tests that ensure quality and confidence. Contribute to and extend our Storybook design system built from Figma. Work … Nandos, everything we do is guided by our five values they shape how we work, build, and grow together: Pride We take pride in everything we do, from the code we write to the experience we deliver for every Nandoca. Passion We bring energy, creativity, and heart into every sprint and stand-up. Integrity We do the right thing … build digital experiences. Family We support one another, celebrate diversity, and create a workplace where everyone belongs. These values arent just words on a wall theyre how we collaborate, code, and care. The team Youll join the Digital Workplace Experience Team a collaborative group designing and delivering digital tools that make restaurant life smoother, more connected, and more human. More ❯

app , improving how Nandocas connect, communicate, and engage. Integrate existing systems and APIs into a seamless employee experience. Build and enhance Node.js (Express) APIs, deployed as Docker containers. Write clean, tested, maintainable code with unit, integration, and end-to-end tests that ensure quality and confidence. Contribute to and extend our Storybook design system built from Figma. Work … Nandos, everything we do is guided by our five values they shape how we work, build, and grow together: Pride We take pride in everything we do, from the code we write to the experience we deliver for every Nandoca. Passion We bring energy, creativity, and heart into every sprint and stand-up. Integrity We do the right thing … build digital experiences. Family We support one another, celebrate diversity, and create a workplace where everyone belongs. These values arent just words on a wall theyre how we collaborate, code, and care. The team Youll join the Digital Workplace Experience Team a collaborative group designing and delivering digital tools that make restaurant life smoother, more connected, and more human. More ❯

Backend Engineer (Kotlin) Hybrid (London) Up to 95k Join a fast-growing cleantech company as a Backend Kotlin Engineer that is driving the global shift to clean, affordable energy through an integrated hardware and software smart-grid platform focused on residential EV charging. By leveraging data, AI, and strong industry partnerships, they connect cars, chargers, people, and energy providers … to place consumers at the heart of the energy transition. What You'll Do: Contribute to scalable backend infrastructure built in Kotlin Write clean, maintainable, tested code in production Shape tech strategy and architecture with new ideas and tools Work closely with Product Owners and team members to deliver value Mentor junior developers and support their growth What … You Bring: Solid commercial experience in Kotlin (Open to those with a java background) Experience with Spring Boot , or similar frameworks (e.g. Ktor) Strong API-first mindset and clean coding practices Knowledge of Agile, peer reviews, pair programming, and test-driven development Understanding of software design principles (SOLID, design patterns, etc.) Experience turning stakeholder needs into scalable solutions Perks More ❯

Backend Engineer (Kotlin) Hybrid (London) Up to 95k Join a fast-growing cleantech company as a Backend Kotlin Engineer that is driving the global shift to clean, affordable energy through an integrated hardware and software smart-grid platform focused on residential EV charging. By leveraging data, AI, and strong industry partnerships, they connect cars, chargers, people, and energy providers … to place consumers at the heart of the energy transition. What You'll Do: Contribute to scalable backend infrastructure built in Kotlin Write clean, maintainable, tested code in production Shape tech strategy and architecture with new ideas and tools Work closely with Product Owners and team members to deliver value Mentor junior developers and support their growth What … You Bring: Solid commercial experience in Kotlin (Open to those with a java background) Experience with Spring Boot , or similar frameworks (e.g. Ktor) Strong API-first mindset and clean coding practices Knowledge of Agile, peer reviews, pair programming, and test-driven development Understanding of software design principles (SOLID, design patterns, etc.) Experience turning stakeholder needs into scalable solutions Perks More ❯

Youll also troubleshoot tricky bugs and collaborate with the team to ensure the platform stays reliable and scalable as we grow. If you enjoy solving real-world problems with clean, efficient code, this could be right up your alley. The best part? This role is fully remote , meaning you can work from literally anywhere in the UK. Youve … for names like Amazon and Microsoft, so youll be working with people who know how to turn ideas into successes. If youre ready to tackle some interesting challenges, write code that matters, and join a team thats doing something a bit out of the ordinaryall from wherever you call home in the UKthen wed love to hear from you. More ❯

Youll also troubleshoot tricky bugs and collaborate with the team to ensure the platform stays reliable and scalable as we grow. If you enjoy solving real-world problems with clean, efficient code, this could be right up your alley. The best part? This role is fully remote , meaning you can work from literally anywhere in the UK. Youve … for names like Amazon and Microsoft, so youll be working with people who know how to turn ideas into successes. If youre ready to tackle some interesting challenges, write code that matters, and join a team thats doing something a bit out of the ordinaryall from wherever you call home in the UKthen wed love to hear from you. More ❯