1 to 25 of 35 Code Quality Jobs in the City of London

Performance & Reliability Build fault-tolerant, self-healing application services with comprehensive unit, integration, and performance testing. Implement advanced security best practices within the application code and API gateways for handling sensitive logistics and tracking data. Optimize service performance and database queries to achieve low-latency responses under peak loads … application state management strategies. Mentor team members on back-end best practices, API design principles, and scalable system implementation. Drive initiatives to improve code quality, testing rigor, and overall developer productivity. Experience Back-End Development Mastery Backend Expertise: Advanced TypeScript/Node.js/Python skills with deep ...

engineers and the business to improve user experiences Bring your experience and enthusiasm to our engineering culture Promote excellence with technical mentoring, feedback, and code reviews Participate in planning sessions, retrospectives, stand-ups and demos Join us in curating a codebase to be proud of, driving for quality … advanced geographic modelling capabilities Metabase for analysis and self-serve data exploration Redis for caching and task queues GitHub, Codeship and Heroku for seamless code review, integration and deployment Claude Code for agentic coding AWS S3, CloudFront and Lambda for storage and content delivery Cypress ...

that scale efficiently, perform reliably, and integrate seamlessly across business functions. Lead by example in Azure DevSecOps: create and manage pipelines (YAML), infrastructure-as-code (Bicep, Terraform), and container orchestration (AKS, Docker). Embed engineering best practice: implement CI/CD, code quality gates, automated testing … integration (APIs, pipelines) Cloud & DevSecOps Azure DevOps (Repos, Pipelines, Boards, Artifacts, Test Plans) CI/CD automation, gated releases, and environment governance Infrastructure-as-Code (Bicep, ARM, Terraform) Containerisation (Docker, AKS) and serverless (Azure Functions) Monitoring and observability (Application Insights, Log Analytics) Secrets management and vulnerability scanning (Key Vault ...

technical considerations clearly to stakeholders. Collaboration & Mentorship Mentor and support engineers, helping them grow their technical skills and confidence. Lead by example in code reviews, ensuring best practices and quality standards are upheld. Help foster a healthy engineering culture based on learning, knowledge sharing, and accountability. Engineering … Quality Champion strong testing, code quality, and performance practices. Knowledge of best practices in security, performance and accessibility Identify areas for improvement within the codebase and contribute to long-term maintenance plans. Skills, knowledge, and experience: Must have: 8+ years of software development experience 5+ ...

development approach to deliver feature-rich, versioned interfaces that support both our TypeScript user interface and Python-based SDKs. Develop and maintain Infrastructure as Code (IaC) and DevOps pipelines to ensure reliable service delivery and updates. Requirements : The technical requirements for the role are: Must have: Ability and experience … operator pattern. Experience developing and containerizing microservice applications is a plus. Proficiency in integration and unit testing, with a strong commitment to code quality and maintainability. Strong knowledge of DevOps and Git best practices. Experience automating version control, testing, and releases, preferably with GitHub Actions. Nice ...

into modern web applications. Mentor other engineers, promoting excellence in coding practices, architecture decisions, and technical problem-solving. Establish and enforce standards for code quality, accessibility, performance optimization, and testing . Partner with backend and DevOps teams to optimize CI/CD pipelines and deployment processes. Continuously … Nice-to-have Familiarity with Next.js , Micro Frontends , and Server-Side Rendering (SSR) . Experience with cloud platforms (AWS, GCP, Azure) and infrastructure-as-code tools such as Terraform. Background in data visualization or AI-driven UX design . Contributions to open-source projects or active participation in tech ...

needs and translate them into effective analytical solutions. Support multiple projects from exploration through to deployment within cloud-based environments. Maintain high standards of code quality, documentation, and testing within a DevOps-oriented workflow. Apply strong knowledge of ML techniques, from supervised/unsupervised learning through ...

helping us deliver projects in a true DevOps manner. You will apply a software engineering mindset to problems, whether that's provisioning services, writing code or writing automation tools and scripts. You will have a lean mindset, striving to build reliable and performant services that are operationally sound. … Continuous Integration (CI) and Continuous Delivery (CD) * A passion for delivering quality code, by use of TDD and setting high software quality standard We're also using the following technologies and patterns, it would be great if you had some of the skills ...

Designing and maintaining data processing pipelines across streaming, relational, and NoSQL systems. Writing and executing unit, integration, and non-functional tests to uphold high code quality standards. Participating in Agile ceremonies, researching new approaches, and contributing to team discussions. Supporting CI/CD processes with Jenkins ...

front-end development (ideally Angular, though React is welcome) Working across the full SDLC: requirements, build, test, deploy, support Applying TDD/BDD, clean code principles, and DevOps practices Collaborating directly with non-technical stakeholders to shape solutions Growing your cloud and DevOps capability (AWS/Azure, Docker … modern frameworks Is comfortable being client-facing and explaining technical decisions Enjoys working across backend and frontend, not just one layer Cares about code quality, learning, and continuous improvement Is eligible for UK security clearance (UK-based, no visa sponsorship) If you want your engineering skills ...

Previous experience in financial services Some other highly valued skills may include: Degree in engineering, scientific or mathematical discipline Focus on performant and efficient code including consideration of algorithmic complexity Methodical approach with good attention to detail and delivery You may be assessed on the key critical skills relevant … 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 ...

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 … 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 ...

data technologies. Collaborate closely with product, data science, and financial crime experts to define the technical strategy and vision. Champion engineering best practices - from code quality and security to automation and continuous delivery. Drive continuous improvement across tooling, processes, and team workflows. Provide mentorship, coaching, and career ...

architecture trade-offs with a focus on scalability, maintainability, and performance. Mentor and support junior team members, promoting best practices in coding standards, code reviews, and release management. Respond to real-time trading issues in a fast-paced environment, ensuring minimal business disruption. Key Skills & Experience: Strong expertise … developing API-based, microservices-driven architectures. Solid understanding of multi-threaded systems and distributed messaging. Experience mentoring developers and promoting best practices in code quality and architecture. Collaborative mindset with experience working closely with business stakeholders and cross-functional teams. Desirable Experience: Exposure to CEP engines (Esper ...

deliver high-quality eCommerce solutions built on Shopify. You'll be responsible for architecting scalable systems, leading development teams, and ensuring exceptional code quality across complex Shopify and Shopify Plus projects. This role suits a senior Shopify developer with 3+ years of hands-on Shopify … leadership position. What You'll Do Lead Shopify web and app development projects from design through to delivery Provide technical leadership via architecture decisions, code reviews, and mentoring Ensure best practices across CI/CD, performance optimisation, security, and accessibility Collaborate with clients, Product Managers, and Business Analysts ...

cloud-native architectures Work with large, complex datasets in an Agile delivery environment Support CI/CD, DevOps, and automated testing to improve software quality Skills & Experience Strong software engineering experience Java (Scala exposure beneficial) Spark/distributed computing experience Familiarity with Azure Cloud Experience with relational ...

cases Work closely with data engineers and cloud infrastructure to scale solutions Translate technical work into clear commercial impact for senior stakeholders Contribute to code quality, deployment standards, and best practices Key Details Salary: £90,000–£110,000 base + 15–20% discretionary bonus Working model: Hybrid ...

significant portion of your time building; from backend business logic to frontend interfaces. Design scalable systems and maintainable architectures across distributed services. Ensure quality through thoughtful design, robust testing, and continuous iteration. Operate what you build in production, taking responsibility for performance, reliability and long-term maintainability. Break … they value adaptability over specific tools. Experience working across the stack, or eagerness to expand into frontend or infrastructure when needed. High standards for code quality, testing, and maintainability. Comfort with change, shifting priorities, evolving goals, and a dynamic startup environment. A bias toward shipping fast, learning ...

Contribute to TypeScript/React components on the frontend Collaborate closely with product and research teams to deliver delightful user experiences Take ownership of code quality, testing, and performance What we’re looking for Strong commercial experience in Golang Solid knowledge of TypeScript and React for frontend ...

development, and quantitative analysis, supporting all aspects of market data processing and trading activity. The environment is fast‐paced, collaborative, and highly technical, where code quality, performance, and low‐latency systems are top priorities. Engineers work across domains, contribute to architectural discussions, and help shape scalable, robust … business‐critical systems Ability to lead by doing—hands‐on while guiding a team Pragmatic, delivery‐focused mindset Commitment to high‐quality engineering practices and low‐latency, high‐performance systems Low‐ego, high‐performing self‐starter who values ownership, teamwork, and delivering commercial, pragmatic solutions Why Apply This ...

Full Stack Software Engineer, you will design and build new features, improve architecture and performance and streamline development workflows, In addition you will ensure code quality, reliability, and security across their systems. Key Skills: Java, Spring Boot TypeScript, React.js Azure, CI/CD, IaaS, DevSecOps Contract Details ...

office tools, and the application of machine learning across the investment process. The environment is fast-paced, collaborative, and a highly technical one where code quality and low latent systems are a top priority. This team has a history of developing people’s careers and offers ...

with quants and traders to deliver platform enhancements Drive performance tuning and solve low-level technical bottlenecks Maintain high standards in testing, documentation, and code quality Tech Stack & Skills: Strong proficiency in core Java Exposure to JavaScript/TypeScript & HTML5 is a plus Deep understanding of data ...

generation trading tools Designing and evolving front-end architectures for real-time data and complex visualisations Working in an environment where craftsmanship, performance, and code quality are taken seriously — every single day Tech Stack Languages: TypeScript, JavaScript (ES6+) Frameworks: React, Redux (or similar state management) Tooling: Webpack ...

years of experience in software/data engineering, ideally in platform or infra roles. Strong programming skills in Python; passion for code quality and testing. Demonstrable experience applying Generative AI concepts (ideally in a front-office/capital market environment) Experience with AWS services (S3, Glue, Kinesis ...