1 to 25 of 188 Permanent Code Quality Jobs in London

ecosystem, ensuring proper service boundaries and communication patterns Cross-stack development : Work across our full technology stack - from GraphQL APIs and gRPC services to mobile apps and infrastructure-as-code Code quality & mentorship : Drive code quality standards, conduct thorough code reviews, and mentor junior engineers on best practices and architectural decisions Product … globally Collaboration : You thrive in cross-functional teams, working closely with product managers, designers, and other engineers to deliver impactful solutions Quality focus : You're passionate about code quality, testing, and building maintainable systems that can scale with our growing business Some of our products Groceries - we have an in-house groceries product that facilitates … automating some time intensive manual tasks. We're looking to bring AI to the forefront of our operational workflows. Infrastructure & DevOps Kubernetes - Container orchestration Docker - Containerisation Terraform - Infrastructure as Code AWS & Google Cloud - Multi-cloud setup Custom Kitt CLI - Development tooling CircleCI - CI/CD pipeline Why Kitt? The world of work has shifted forever. As people everywhere prioritise More ❯

needs of developers who are users of our Cloud platform. Use data to optimize their productivity and efficiency. Optimize Performance: Ensure high performance and responsiveness of applications through efficient code practices and performance tuning. Create a scalable framework for building our UI which allows us to spend most of our engineering time on a small number of highly differentiated … areas. Contribute to Code Quality: Participate in code reviews and contribute to the development of best practices to enhance code quality and maintainability. Implement Testing Strategies: Utilize testing frameworks like Playwright and Jest to ensure the reliability and stability of the codebase through rigorous testing practices. Stay Current with Technologies: Continuously explore and … Developer-Centered Approach: Experience in building UIs for a developer, DevOps or SRE audience. Testing Frameworks: Proficiency in using testing frameworks such as Playwright and Jest to ensure high code quality and user experience. Version Control: Proficient in using Git for version control and collaboration on code repositories. Problem-Solving Skills : Strong analytical and problem-solving More ❯

Who is Sonar? Sonar helps prevent code quality and code security issues from reaching production, amplifies developers' productivity in concert with AI assistants, and improves the developer experience with streamlined workflows. Sonar analyzes all code, regardless of who writes it - your internal team, genAI, or third parties - resulting in more secure, reliable, and maintainable applications. … feel extreme urgency and move forward quickly. And lastly, we are highly effective and operationally efficient . We operate collectively as One Team to accomplish our goals. At Sonar, CODE is more than just an acronym - it's a mindset that defines daily operations. Why You Should Apply: At Sonar, we're a group of brilliant, motivated, and driven … professionals working hard to help supercharge developers to build better, faster. Sonar helps to continuously improve code quality and code security while reducing developer toil. This means that developers can focus on doing more of what they love and less of what they don't. Our solutions don't just solve symptoms of problems - we help More ❯

and confidence. Job Description: We are seeking a Front-End Senior Software Engineer to join our team and play a key role in designing, developing, and maintaining high-quality software solutions. The ideal candidate is a highly skilled problem solver with extensive experience in software development, architecture, and best practices. As a senior member of the team, you … efficient applications. Responsibilities Software Development:Design, develop, test, and maintain scalable and high-performance software solutions. Technical Leadership:Provide guidance and mentorship to junior engineers and drive technical discussions. Code Quality:Ensure code quality through best practices, code reviews, and automated testing. Architecture & Design:Lead architectural decisions, optimize system performance, and contribute to More ❯

experienced Senior Android Developer to work across a portfolio of successful apps in a fun, talented team. The apps are fully native, primarily developed in Kotlin, with legacy Java code being phased out. The technologies run directly on the phone with limited server interactions. As a key member of the team, youll have a strong track record of delivering … best practices. It is envisaged the role will evolve into a leadership position. Responsibilities: Build on exciting new technologies and integration with wearable devices Develop new features, improve existing code work on ambitious projects ranging from low-level algorithms to high-level system design; plus the occasional development of a prototype app Utilise the latest Android SDKs and frameworks … to implement scalable, maintainable and testable architectures Conduct code reviews and champion high-quality code by leveraging unit tests, continuous integration, and code quality tools Essential Skills and experience: 5+ years of high-level Android development experience, with a wider software engineering background (8+ years in total) Excellent Kotlin skills and comfortable with More ❯

experienced Senior Android Developer to work across a portfolio of successful apps in a fun, talented team. The apps are fully native, primarily developed in Kotlin, with legacy Java code being phased out. The technologies run directly on the phone with limited server interactions. As a key member of the team, you’ll have a strong track record of … best practices. It is envisaged the role will evolve into a leadership position. Responsibilities: Build on exciting new technologies and integration with wearable devices Develop new features, improve existing code - work on ambitious projects ranging from low-level algorithms to high-level system design; plus the occasional development of a prototype app Utilise the latest Android SDKs and frameworks … to implement scalable, maintainable and testable architectures Conduct code reviews and champion high-quality code by leveraging unit tests, continuous integration, and code quality tools Essential Skills and experience: 5+ years of high-level Android development experience, with a wider software engineering background (8+ years in total) Excellent Kotlin skills and comfortable with More ❯

team. The role reports to the Global Head of Credit Technology but is additionally directly accountable for delivery to the Credit Delivery Lead. The role provides governance around architecture, code quality, standards, tools and technology, ensuring modernisation and continuous improvement take place. The Credit application works within a low latency enterprise event driven architecture hosted on the … expertise. Collaborate with product managers, business stakeholders, and other technology teams to define project goals and deliverables. Ensure the quality of the codebase through best practices, including code reviews, automated testing, and continuous integration. Drive innovation by identifying and evaluating new technologies and methodologies to enhance system performance and reliability. Ownership of the full software development lifecycle … teams to coordinate interdependencies and resolve issues. Provide leadership across the Credit Software Engineering teams and be accountable to the Head of Software Engineering for governance on team architecture, code quality, standards, tools and technology but foster a culture of collaboration, innovation and excellence. Be an Agile exponent, responding to change, participating in retrospectives, ensure continuous improvement More ❯

FX Options pricing Experience of additional technologies, including Python, Powershell, SQL Server, and Cloud technologies Excellent work attitude, with a focus on detail and delivery of quality code to deadlines, ability to communicate at all levels, and work independently You may be assessed on the key critical skills relevant for success in role, such as risk and … technology capabilities for our customers and colleagues. Accountabilities Development and delivery of high-quality software solutions by using industry aligned programming languages, frameworks, and tools. Ensuring that code is scalable, maintainable, and optimized for performance. Cross-functional collaboration with product managers, designers, and other engineers to define software requirements, devise solution strategies, and ensure seamless integration and … alignment with business objectives. Collaboration with peers, participate in code reviews, and promote a culture of code quality and knowledge sharing. Stay informed of industry technology trends and innovations and actively contribute to the organization's technology communities to foster a culture of technical excellence and growth. Adherence to secure coding practices to mitigate vulnerabilities, protect More ❯

people what they need while infusing social values. ABOUT THE ROLE In this role, you will be part of our engineering team, working with a high quality code base and the latest tools, where you will promote your skills to be an expert in complex frontend development in iOS (swift and swiftUI) native platforms. Your primary focus … different layers of the infrastructure. Therefore, a commitment to a highly dynamic environment, where root cause analysis and rapid collaborative problem solving, sophisticated design, and the creation of quality products are required. TASKS Design and build mobile applications for iOS. Ensure … the performance, quality, and responsiveness of applications Collaborate with a team to define, design, and ship new features Identify and correct bottlenecks and fix bugs Help maintain code quality, organization, and automatization Participate in brainstorming sessions and contribute ideas to our technology, algorithms and products. Work with the engineering and design teams to understand end More ❯

quality of our engineering practice. This will particularly excite you if you are a quality engineering expert with a keen interest and experience in low-code/no-code engineering (e.g. PowerApps) and have a keen interest in how AI systems are developed, evaluated and assured. You will be part of the leadership team … technical advice on improving the way we do things. Building and delivering quality engineering solutions that are scalable, efficient, and cost effective. Quantifying, measuring, and reporting on code quality and using risk-based approaches to decision making. Making the QAT practice thrive by exploiting new and emerging tools and approaches and using these to help … test approaches that implement all levels of a modern test pyramid in a cloud DevSecOps environment Setting strategic direction at organisational level for the design of AI and low-code/no-code test approaches involving test automation Designing, building, deploying and improving QAT test engineering capabilities. SFIA capability framework Skills for the Information Age (SFIA) is the More ❯

ensure high standards across the software development lifecycle. You'll lead the design, development, and maintenance of scalable, secure solutions while mentoring team members and championing best practices in code quality, architecture, and DevOps. Your broad experience across technologies, frameworks, and agile methodologies will shape product strategy and foster technical excellence across teams. Key Responsibilities Lead Agile … and mentor team members to ensure smooth execution and continuous improvement. Architect and deliver scalable, maintainable software solutions to complex business problems. Define and enforce best practices in testing, code quality, CI/CD, and version control. Collaborate cross-functionally to align on technical direction and product goals. Troubleshoot critical issues and provide expert-level support and … solutions. Maintain high-quality documentation and drive a culture of knowledge sharing. Support and grow team capabilities through mentorship, leadership, and technical guidance. Requirements Degree in Computer Science or equivalent experience. Strong experience in full-stack development, particularly with C# and React. Proficient in Azure services and cloud deployment strategies. Skilled in CI/CD, IaC, Agile practices More ❯

and Azure to build scalable, high-performance systems. As we grow, we are looking for a Development Manager who can inspire engineering teams and ensure high-quality code delivery across projects. What Youll Do Lead and mentor a team of software engineers, fostering growth, collaboration, and accountability. Own and drive development processes using Agile methodologies. Oversee code quality through regular reviewsparticularly critical paths and architectural components in C#. Guide and enforce Azure DevOps/Git branching and merging strategies for clean and reliable codebase management. Collaborate with DevOps teams to enhance and maintain CI/CD pipelines in Azure DevOps. Act as a bridge between engineering, product, and business teams to ensure delivery alignment. More ❯

and Azure to build scalable, high-performance systems. As we grow, we are looking for a Development Manager who can inspire engineering teams and ensure high-quality code delivery across projects. What You'll Do Lead and mentor a team of software engineers, fostering growth, collaboration, and accountability. Own and drive development processes using Agile methodologies. Oversee … code quality through regular reviews-particularly critical paths and architectural components in C#. Guide and enforce Azure DevOps/Git branching and merging strategies for clean and reliable codebase management. Collaborate with DevOps teams to enhance and maintain CI/CD pipelines in Azure DevOps. Act as a bridge between engineering, product, and business teams to ensure More ❯

including Requirements Elicitation, Application Architecture definition and Design. You will play an important role in creating the high level design artifacts. You will also deliver high quality code deliverables for a module, lead validation for all types of testing and support activities related to implementation, transition and warranty. You will be part of a learning culture, where … reliability. • Collaborate closely with cross-functional teams to translate project requirements into well-designed and efficient code. • Conduct thorough testing and debugging to ensure the delivery of high-quality and error-free software. • Stay up-to-date with the latest Go language … updates, industry trends, and best practices to continually enhance development processes. • Optimize software applications for maximum performance and efficiency, taking advantage of Go's concurrency capabilities. • Actively participate in code reviews, providing constructive feedback to improve code quality and maintain coding standards. • Troubleshoot and resolve issues related to software functionality, performance, and integration, ensuring a seamless More ❯

to grow with us Location: Soho, London (onsite 4 days a week) Salary: Approx. £50.000 annually, depending on experience Main responsibilities Development and Design: Write clean, efficient, and maintainable code using TypeScript, JavaScript, Node.js, and React. Design and implement robust applications and services to meet predefined requirements. Code Review and Quality Assurance: Participate in code reviews to maintain high code quality and promote best practices. Implement automated tests to ensure functionality, performance, and security. Collaboration: Work closely with our engineering team to define feature specifications and deliver high-quality solutions. Problem-Solving: Identify, troubleshoot, and resolve issues and performance bottlenecks in a timely and effective manner. Continuous Learning: Stay More ❯

Soho, London (onsite 4 days a week) Salary: Based on experience Must hold right to work in the UK. Main responsibilities Development and Design: Write clean, efficient, and maintainable code using TypeScript, JavaScript, Node.js, and React. Design and implement robust applications and services to meet predefined requirements. Code Review and Quality Assurance: Participate in code reviews to maintain high code quality and promote best practices. Implement automated tests to ensure functionality, performance, and security. Collaboration: Work closely with our engineering team to define feature specifications and deliver high-quality solutions. Problem-Solving: Identify, troubleshoot, and resolve issues and performance bottlenecks in a timely and effective manner. Continuous Learning: Stay More ❯

requests. Collaborate with cross-functional teams : Work closely with data scientists, product managers, and other engineers to understand requirements, provide technical guidance, and deliver high-quality solutions. Code quality and best practices : Write clean, maintainable, and well-documented code, adhering to best practices in software engineering. Testing and validation : Develop comprehensive unit and integration … designing and using data models to represent and manage data efficiently. Context managers and logging best practices : Proficient in using context managers and implementing logging best practices to maintain code clarity and traceability. Inheritance and method overriding : Experienced with object-oriented programming concepts, including inheritance and method overriding. Magic methods: Familiar with Python's magic methods to enhance the … functionality of custom classes. Code formatting : Adheres to code formatting standards using tools like black, isort, flake8, and pylint. Testing : Strong background in testing methodologies, including unit testing with pytest, mocking, and integration testing. Versioning : Familiar with semantic versioning and maintaining changelogs to track changes and updates. Data structures : Proficient in using stack, queue, and priority queue data More ❯

complete software development lifecycle (SDLC), encompassing architecture, design, development, and support of robust technology solutions. Drive the development team to create high-quality, high-performance, and scalable code that meets business objectives . Provide technical guidance and mentorship to junior developers, conducting code reviews and ensuring adherence to best practices and coding standards. Develop comprehensive technical … implementing REST APIs and microservices-based solutions. Extensive hands-on experience in designing, developing, testing, and deploying complex projects successfully. Competence in writing unit and integration tests to ensure code quality and reliability. Proficiency in SQL with a solid understanding of data models; knowledge of Python is preferred. Working knowledge of AWS cloud services (e.g., EC2, ECS … insights that are essential to translating complexity into clarity so market participants can uncover opportunities and make decisions with conviction. By bringing transparency to the market through high-quality independent opinions on creditworthiness, we enable growth across a wide variety of organizations, including businesses, governments, and institutions. S&P Global Ratings is a division of S&P Global More ❯

content types, views, and taxonomy. Integrate third-party APIs and external services. Collaborate with UI/UX designers, project managers, and QA teams to deliver robust digital solutions. Ensure code quality through code reviews, automated testing, and adherence to development best practices. Manage deployments and environments using tools like Git, Docker, or CI/CD pipelines. More ❯

Strong knowledge of various libraries and frameworks. Advanced understanding of containerization, serverless technologies, and cloud deployment ( Azure, AWS). Proven experience with CI/CD pipelines and Infrastructure as Code (IaC). Deep familiarity with Agile methodologies and tools. About the Company An award-winning specialty (re)insurance firm is redefining the industry with a bold mission: to become … strategies and mentor team members in quality assurance practices. Troubleshoot and resolve complex technical issues using advanced debugging techniques. Oversee version control practices, including branching strategies and code reviews. Mentor engineers in code craftsmanship and enforce high standards for code quality and security. Design and optimize CI/CD pipelines using advanced automation … and deployment strategies. Ensure seamless integration of code changes with minimal disruption and technical debt. Maintain comprehensive technical documentation to support knowledge sharing and onboarding. Promote a culture of continuous learning and innovation within the team. Perform additional duties as required. Skills & Attributes Strong problem-solving and analytical skills. Growth mindset with a commitment to continuous learning. Excellent communication More ❯

supports our products. You work closely with senior engineers, product managers, and designers to implement features, solve problems, and grow your technical capabilities. You are responsible for writing maintainable code, supporting reliable delivery, and collaborating across the team to drive value. Key Responsibilities Product Development & Delivery Relentlessly focus on delivering value by prioritizing impact-driven development, making pragmatic trade … solutions. Ensure high reliability and uptime through proactive monitoring and improvements. Optimize application performance and ensure best practices in security and maintainability. Technical Leadership & Innovation Write maintainable, well-tested code aligned with team standards. Participate in design discussions and contribute technical ideas. Collaborate closely with other engineers, designers, and product managers. Support ongoing improvements in performance, maintainability, and reliability. … Collaboration & Communication Work cross-functionally with designers, product managers, and engineers to build user-centric solutions. Communicate technical concepts clearly to both technical and non-technical stakeholders. Participate in code reviews, providing constructive feedback to maintain high coding standards. Contribute to knowledge sharing and documentation for improved team efficiency. Mentorship & Growth Mentor and support junior engineers, fostering a culture More ❯

problems with the simplest solutions at scale. Experience and understanding of running internet applications at scale on platforms such as Heroku and AWS. Someone who takes pride in the code base and platform they work on. You will Work with a team of exceptional engineers and Principals, taking pride in delivering high quality and modern Rails code. … eye for simplification and refactoring in the codebase Have a product mindset, and want to solve real problems for customers Identify and implement improvements to performance, user experience, and code quality Review code, providing clear and actionable feedback for team members to collaborate, learn and grow Ensure the maintainability and scalability of the platform overall. What More ❯

services such as Amazon Lex and Large Language Models (LLMs). Collaborate with cross-functional teams to integrate AI capabilities into contact centre solutions. Write clean, efficient, and maintainable code in TypeScript. Implement and advocate for DevOps best practices, including CI/CD pipelines, automated testing, and infrastructure as code. Lead and participate in code reviews to ensure … code quality and adherence to best practices. Troubleshoot and resolve complex technical issues across multiple areas of the software stack. Stay up-to-date with the latest industry trends and technologies to ensure our solutions remain competitive yet sustainable. Requirements: Proven experience as a Senior Software Engineer or similar role. Strong expertise in AWS services, particularly Amazon More ❯

technical roadmaps and fostering a culture of experimentation and adoption of best practices. Owning complex, high-impact HP projects. You'll work across multiple business units, ensuring high-quality delivery that aligns with business goals. Mentorship. By actively leveling up Engineers through guidance and collaboration, you'll set the bar for engineering excellence. Fostering a supportive culture. You … guiding other Engineers through implementation. Technical expertise. You've mastered full-stack engineering, leveraging cloud-based systems and championing practices like TDD and CI/CD to ensure high code quality and efficient delivery. Coaching experience. You know building excellent software is a team effort and you're willing to collaborate with others to get to the … best outcome-whether that means providing input in technical discussions, pitching in when a teammate needs a hand, or providing quality feedback in code review. Communication skills. You can easily and clearly express yourself verbally and in a written format. You're able to convey complex technical concepts and trade-offs to cross-functional stakeholders at all More ❯

have strong communication skills. You will: Design, develop, and maintain scalable web applications that meet the evolving needs of our users and business. Write clean, efficient, and well-documented code in Python and JavaScript, adhering to best practices and coding standards. Collaborate effectively with cross-functional teams including product management, design, and other engineering disciplines to define, scope, and … implement new features and improvements. Optimise application performance and responsiveness through code optimisation, efficient data management, and infrastructure considerations. Implement robust security and data protection measures to safeguard user data and ensure compliance with relevant regulations. Mentor junior developers by providing guidance, sharing knowledge, and fostering their technical growth. Contribute actively to code reviews , providing constructive feedback to … ensure code quality and consistency across the team. Participate in the full software development lifecycle , from requirements gathering and design to deployment and monitoring. Troubleshoot and resolve technical issues , ensuring the stability and reliability of our web applications. Stay up-to-date with the latest web development trends, technologies, and best practices. What we are looking for More ❯