22 of 22 Code Quality Jobs in the City of London

to be resilient, scalable, and secure enabling our clients to move faster and smarter in a rapidly changing financial landscape. We value clean, maintainable code, healthy team dynamics, and delivering tangible business value without unnecessary complexity. If you love solving real-world problems, writing thoughtful Python code, and … Python services using asyncio , and develop event-driven systems integrating AWS services (Lambda, SQS, EventBridge, ECS, etc.). Write reliable, maintainable, and well-tested code using pytest , type hints , and dataclasses . Collaborate with other engineers through pair or mob programming , pull request reviews, and knowledge-sharing sessions. Help … improve our CI/CD pipelines and ensure code quality through automated testing , linting , and type checking . Contribute to our culture of pragmatic TDD/BDD , balancing speed with long-term maintainability. Work closely with product and business stakeholders to deliver high-impact features. Support and More ❯

Stack JavaScript Developer, you will: Provide technical leadership and mentorship to a team of developers, guiding them in best practices and delivering high-quality code. Design, develop, and maintain both front-end and back-end components using JavaScript, Node.js, and modern frameworks such as React, Angular, or Vue.js. … design robust and scalable architectures for new and existing projects. Participate in agile development processes, including sprint planning, daily stand-ups, and retrospectives. Lead code reviews to ensure code quality, performance, and adherence to industry best practices. Work with internal teams and clients to understand requirements More ❯

management. We partner with over 3,000 educational publishers, including Pearson, Oxford University Press, and Wiley, to offer a wide range of high-quality content to students. Our platform provides rich engagement data to academics and allows students to find information faster. We have disrupted the textbook industry … peers and help maintain BibliU's status as a leader in digital education. Your role as a Software Engineer is not just about writing code; it's about creating tangible outcomes that enhance the learning experience, drive technological innovation, and contribute to the overall mission of BibliU to revolutionise … new features. Ensure the performance, quality, and responsiveness of applications. Identify and correct bottlenecks and fix bugs in the software. Help maintain code quality, organisation, and automatization. Participate in code reviews and contribute to team learning and improvement. Stay up-to-date with new More ❯

management. We partner with over 3,000 educational publishers, including Pearson, Oxford University Press, and Wiley, to offer a wide range of high-quality content to students. Our platform provides rich engagement data to academics and allows students to find information faster. We have disrupted the textbook industry … peers and help maintain BibliU's status as a leader in digital education. Your role as a Software Engineer is not just about writing code; it's about creating tangible outcomes that enhance the learning experience, drive technological innovation, and contribute to the overall mission of BibliU to revolutionise … new features. Ensure the performance, quality, and responsiveness of applications. Identify and correct bottlenecks and fix bugs in the software. Help maintain code quality, organisation, and automatization. Participate in code reviews and contribute to team learning and improvement. Stay up-to-date with new More ❯

management. We partner with over 3,000 educational publishers, including Pearson, Oxford University Press, and Wiley, to offer a wide range of high-quality content to students. Our platform provides rich engagement data to academics and allows students to find information faster. We have disrupted the textbook industry … peers and help maintain BibliU's status as a leader in digital education. Your role as a Software Engineer is not just about writing code; it's about creating tangible outcomes that enhance the learning experience, drive technological innovation, and contribute to the overall mission of BibliU to revolutionise … new features. Ensure the performance, quality, and responsiveness of applications. Identify and correct bottlenecks and fix bugs in the software. Help maintain code quality, organisation, and automatization. Participate in code reviews and contribute to team learning and improvement. Stay up-to-date with new More ❯

gather requirements and deliver solutions. Implement and optimize RESTful APIs and microservices architecture. Participate in Agile development processes and contribute to continuous improvement. Ensure code quality through testing and code reviews. Provide technical support and troubleshooting for production issues. Required Skills and Experience: Strong development skills More ❯

and scalability. You'll also collaborate with a cross-functional team of Front End developers, product managers, and DevOps professionals to deliver high-quality solutions. Key Responsibilities: Lead the design, development, and … deployment of scalable Node.js applications and APIs. Architect microservices and serverless solutions for high-performance applications. Manage and mentor a team of developers, ensuring code quality through reviews and best practices. Collaborate with cross-functional teams (Front End, DevOps, product management) to deliver seamless solutions. Optimise application More ❯

using LLM's, Agentic framework, and other related technologies Own technical direction for core systems, focusing on scalability, performance, and reliability. Write clean, maintainable code and contribute actively to the codebase. Define and uphold engineering best practices (code quality, CI/CD, observability, etc.). Collaborate More ❯

using LLM's, Agentic framework, and other related technologies Own technical direction for core systems, focusing on scalability, performance, and reliability. Write clean, maintainable code and contribute actively to the codebase. Define and uphold engineering best practices (code quality, CI/CD, observability, etc.). Collaborate More ❯

design and development of high-quality software solutions Collaborate with cross-functional teams to define requirements and deliver on technical objectives Ensure code quality, performance, and security across applications Take ownership of project timelines, priorities, and deliverables in an Agile environment Desirable Skills & Experience: Experience More ❯

design and development of high-quality software solutions Collaborate with cross-functional teams to define requirements and deliver on technical objectives Ensure code quality, performance, and security across applications Take ownership of project timelines, priorities, and deliverables in an Agile environment Desirable Skills & Experience: Experience More ❯

winning SaaS company looking to expand their team with a talented Senior Software Engineer . In this role, you'll help deliver high-quality solutions within a dynamic Agile environment. Responsibilities: Design, develop, and maintain web applications using React and .NET Core Modernise and enhance existing systems and … designs Plan and implement new features in collaboration with cross-functional teams Work closely with UX, Product, and Engineering to drive innovation Uphold software quality through automated testing and CI/CD practices Tech Stack: C# .NET Core Azure or AWS (cloud experience) SQL Server, CosmosDB, Redis JavaScript More ❯

winning SaaS company looking to expand their team with a talented Senior Software Engineer . In this role, you'll help deliver high-quality solutions within a dynamic Agile environment. Responsibilities: Design, develop, and maintain web applications using React and .NET Core Modernise and enhance existing systems and … designs Plan and implement new features in collaboration with cross-functional teams Work closely with UX, Product, and Engineering to drive innovation Uphold software quality through automated testing and CI/CD practices Tech Stack: C# .NET Core Azure or AWS (cloud experience) SQL Server, CosmosDB, Redis JavaScript More ❯

impact mobile product used by hundreds of thousands of users. You'll be joining a fast-paced and quality-driven environment where code ownership, innovation, and collaboration are at the heart of everything. What You'll Be Doing Take the technical lead on complex mobile projects using … Flutter Collaborate cross-functionally with Product, Backend, and QA teams Mentor and support other mobile engineers Continuously improve codebase quality and best practices Contribute to the strategic direction of mobile engineering What We're Looking For 3+ years of commercial Flutter experience 4-5 years of prior mobile … experience 7+ years of overall engineering experience Strong understanding of mobile engineering best practices Previous experience in fast-paced, product-led environments Passion for code quality, user experience, and continuous delivery Nice to Have Startup experience A strong sense of product ownership Who You Are A self More ❯

and CI/CD pipelines for production workloads. Implement centralised logging/monitoring with platforms like Grafana, Datadog, or App Insights. Integrate and manage code quality and security tooling (SonarQube, Black Duck, etc.). Oversee network security, secrets management, and documentation practices (Confluence/Wiki). Required More ❯

managers, designers, and stakeholders to translate ideas into robust, scalable solutions Mentor, guide, and grow a talented engineering team, while setting best practices for code quality, performance, and security Stay hands-on with code, while also steering technical strategy and project planning Champion an agile development More ❯

regular feedback loops to iterate and improve as you go. They would expect strong opinions and pragmatism of how to balance speed with software quality/best practice. What's in it for you? A cutting-edge, product-focused company where you will use the latest technology to More ❯

impactful features that directly solve user problems. This role is ideal for someone who enjoys both creating new user experiences and maintaining codebase quality through modern engineering practices. Responsibilities Build and ship features for a high-traffic Flutter-based mobile application. Collaborate cross-functionally with backend engineers, designers … Are excited about solving real user problems through technology. Take initiative and enjoy driving projects forward independently. Like contributing to both feature development and code quality maintenance. Please apply now if you are interested in hearing more Flutter Developer More ❯

impactful features that directly solve user problems. This role is ideal for someone who enjoys both creating new user experiences and maintaining codebase quality through modern engineering practices. Responsibilities Build and ship features for a high-traffic Flutter-based mobile application. Collaborate cross-functionally with backend engineers, designers … Are excited about solving real user problems through technology. Take initiative and enjoy driving projects forward independently. Like contributing to both feature development and code quality maintenance. Please apply now if you are interested in hearing more Flutter Developer More ❯

be at the heart of creating solutions that make a real difference. You'll work alongside talented professionals who share your enthusiasm for clean code and exceptional user experiences. This isn't just about writing code – it's about shaping the future of our digital landscape. You'll … React that users love Design and implement robust RESTful APIs Collaborate with designers and product managers to bring creative visions to life Champion software quality through testing and optimisation Drive continuous improvement through Agile methodologies The Ideal Candidate: Has a minimum of 2 years experience with React Some … back-end development experience ideally with C# Takes pride in writing clean, maintainable code that stands the test of time Has experience with web applications (SQL database knowledge is a plus) Thrives in an Agile environment and enjoys collaborative problem-solving Possesses excellent communication skills Demonstrates a desire to More ❯

be at the heart of creating solutions that make a real difference. You'll work alongside talented professionals who share your enthusiasm for clean code and exceptional user experiences. This isn't just about writing code – it's about shaping the future of our digital landscape. You'll … React that users love Design and implement robust RESTful APIs Collaborate with designers and product managers to bring creative visions to life Champion software quality through testing and optimisation Drive continuous improvement through Agile methodologies The Ideal Candidate: Has a minimum of 2 years experience with React Some … back-end development experience ideally with C# Takes pride in writing clean, maintainable code that stands the test of time Has experience with web applications (SQL database knowledge is a plus) Thrives in an Agile environment and enjoys collaborative problem-solving Possesses excellent communication skills Demonstrates a desire to More ❯

participate in cross-functional meetings, providing insights and strategic recommendations on leveraging AI technologies. Spearheaded initiatives including: ? Utilize AI-powered coding assistants for intelligent code completion, syntax validation, and error detection, enhancing development efficiency and code quality. ? Application of Tensor Neural Networks for pricing complex financial derivatives such More ❯