51 to 75 of 120 Code Quality Jobs in London

technical delivery of a greenfield rebuild of a core business system, covering policy, claims and integration layers. Set and enforce technical standards, own code quality, and conduct structured code reviews across the delivery team. Work directly with the BA to translate business requirements into sound technical ...

C# Frontend development with TypeScript and React Working within Azure (Functions, Azure SQL, Service Bus, ADF) Contributing to architecture discussions, technical design, and code reviews Applying pragmatic AI-assisted/agentic engineering practices to improve delivery quality and velocity Supporting development of financial modelling platforms, including areas … simulation engines, forecasting tools, or financial projection systems Comfortable owning features end-to-end and making sensible technical trade-offs High standards around code quality, testing, and maintainability Experience working in regulated or accuracy-critical environments Contract details Up to £600 per day Outside IR35 Fully remote ...

expertise in React. This includes a deep understanding of the DOM, component design, CSS, and state management. Solid performance and security knowledge: profiling, memoization, code-splitting, tree-shaking, bundle analysis, Core Web Vitals, OAuth2/OIDC, JWT handling, CSRF/XSS mitigation, CSP/SRI, dependency hygiene. Proven experience …/WebSockets for long-running tasks, optimistic updates, progress states, idempotent actions. Proficiency in integration, component 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. ...

microservices Integrating with web and mobile applications Working across the full SDLC: planning → design → implementation → deployment → support Writing high‐quality, production‐ready code Helping the team stay current with evolving backend and infrastructure tooling Requirements: This role prioritises strong backend fundamentals over surface‐level experience. Essential: Degree … Strong communication skills and ability to work cross‐functionally Fluent English (written and spoken) If you’re a backend engineer who cares deeply about code quality, system design, and impact, and you want to work on systems that handle real value at scale — we’d love ...

teams to translate operational problems into technical implementations Deploy solutions within enterprise environments (Azure, AWS, Databricks), with occasional ownership of monitoring and iteration Maintain code quality through testing, version control and CI/CD practices Requirements 3+ years in software engineering or AI application development, with shipped ...

Implement and manage payment systems, including Stripe integrations and subscription flows Build image processing and computer vision pipelines Write clean, maintainable, and well-documented code deployed via Docker and CI/CD pipelines Collaborate using GitHub, maintaining high code quality and team standards Work with BaaS … with Docker, GitHub, and modern deployment workflows Knowledge of cloud platforms (AWS, GCP, or Azure) Strong understanding of software design principles (SOLID, patterns, clean code) Experience with BaaS platforms such as Supabase or Firebase Ability to thrive in fast-paced, high-ownership environments Nice to Have Experience with ...

deployment processes Support production systems (L2/L3) including debugging, enhancements and performance optimization Write and maintain unit and integration tests . Ensure high code quality and test coverage Participate in code reviews and mentor junior developers where required Must-Have Skills Strong experience in Core ...

high-quality output Set and enforce engineering standards and Definition of Done across all work Act as technical lead; design solutions, review code and drive best practices Own CI/CD quality gates, testing strategy and codebase improvements Take responsibility for production reliability, monitoring … good knowledge of JavaScript and TypeScript You have experience of owning delivery end-to-end in Agile environments You have a passion for code quality, reliability and team development You have experience of working with cloud platforms, CI/CD and modern architectures You have a strong ...

collaborative, inclusive, and forward-thinking engineering culture that fosters innovation, autonomy, and continuous learning. Oversee the rollout of engineering standards, tooling strategies, and quality benchmarks across teams. Align engineering operations with security, compliance, and reliability goals to ensure systems run safely and at scale. Partner … with cross-functional stakeholders to ensure timely, high-quality delivery of new features, products, and enhancements. Track engineering performance through actionable KPIs-code quality, release velocity, uptime, incident rates, and more. Nurture talent within the engineering function through structured mentoring, coaching, and clear career progression ...

retries, QA, incident-aware design Comfortable operating in a sprint with incomplete context and tight deadlines Experience in GCP, Prisma and terraform Additional Skills Code quality & maintainability Writes readable, consistent, and well-structured code Understands trade-offs between speed of delivery and long-term maintainability Comfortable … codebase with established guidelines Testing mindset Understands the value of unit, e2e, and regression tests to minimise disruption to the frontend apps Writes testable code and doesn’t rely solely on manual testing Collaboration & ownership Can work closely with frontend, product, and design teams Takes ownership of features ...

/CD, observability, and monitoring, and ensuring systems are secure, reliable, and performant. You'll also play a key role in technical strategy, code quality, and engineering standards, helping shape the future of the platform. We're looking for engineers with strong experience in Node.js and TypeScript … bring strong system design skills, an ownership mindset, and the ability to operate in fast-moving, ambiguous startup environments where speed and quality both matter. This is a rare opportunity to lead backend engineering at an early-stage AI company, working directly with founders, shaping architecture from ...

understanding of UI engineering principles, state management, component design, and scalable frontend systems. Pragmatic and product-driven — you balance speed, experimentation, and long-term code quality. Comfortable working with cloud-based platforms and collaborating closely with backend services and APIs. Bonus : Familiarity with Python or an interest in contributing ...

collaborate closely with product, AI, and design teams to translate business requirements into technical solutions, while contributing to technical strategy, system design, and code quality. We're looking for engineers with strong experience in Python development, building production-grade systems, APIs, and microservices, with familiarity in cloud platforms ...

Java/Microservices/API design/LLMs/AI/Claude Code/Copilot Role: Senior Software Engineer Company: Financial Services Location: London - Hybrid 3 days per week Salary: up to £120,000 Join a Service Modernisation team driving AI-first software development in financial services. This … performance and reliability Build AI-powered tooling, including MCP servers and AI-assisted CI/CD pipelines Demonstrate how AI transforms developer productivity and code quality What We're Looking For 6+ years' backend engineering experience (Java) Proven experience modernising production systems at scale Hands ...

Java/Microservices/API design/LLMs/AI/Claude Code/Copilot Role: Senior Software Engineer Company: Financial Services Location: London - Hybrid 3 days per week Salary: up to £120,000 Join a Service Modernisation team driving AI-first software development in financial services. This … performance and reliability Build AI-powered tooling, including MCP servers and AI-assisted CI/CD pipelines Demonstrate how AI transforms developer productivity and code quality What We're Looking For 6+ years' backend engineering experience (Java) Proven experience modernising production systems at scale Hands ...

solutions (SQL Server or similar) Improve system performance, reliability, and automation Collaborate with cross-functional teams to translate requirements into technical solutions Participate in code reviews and maintain high standards of code quality Contribute to continuous improvement of development practices and tools Required Skills & Experience Degree … .NET Experience working with relational databases (SQL Server, Oracle, or similar) Solid understanding of object-oriented programming principles Experience developing scalable, production-quality applications Strong communication skills in English (written and verbal) Detail-oriented with a problem-solving mindset Desirable Skills Experience with multi-threading or concurrent programming ...

sits between an enterprise's siloed data and the agents that need to act on it. Stuff the context window and you trade quality for cost and latency. Use naive RAG and retrieval breaks the moment the question gets interesting. This gates most enterprise AI deployments … Tooling: pnpm, Husky commit hooks (ruff, eslint, prettier, typecheck, test build, and an agentic check that fixes what it finds), Linear for issues, Claude Code as a daily driver We are opinionated about code quality and use AI coding agents hard. If pairing with Claude Code ...

within tight development cycles — branch, commit, test, and ship via GitHub-based CI/CD pipelines. Write comprehensive unit tests and contribute to high code quality standards. Collaborate within agile sprints and contribute to technical design decisions. The Ideal Candidate Our client is seeking someone with: Strong … Search, Cosmos DB, AKS). Experience integrating AI/LLM-based services into production systems. Familiarity with modern development tooling such as VS Code and AI-assisted coding tools. Why Apply? Work on a genuinely AI-first product with real-world commercial impact. Join a collaborative, technically strong team ...

solution design, and delivering complex technology transformations at scale Proven capability in modern engineering practices, including containerisation, CI/CD pipelines, Agile delivery, and code quality tooling Strong understanding of data platforms, visualisation, and product management principles, translating market and technology trends into compelling roadmaps Experience with … governance, prompt engineering, and deployment approaches (including RAG, fine-tuning considerations, and risk mitigation) Experience leveraging AI-assisted development tools (e.g. GitHub Copilot, Claude Code) to materially improve engineering productivity and delivery outcomes We know it s not a skill, but the successful candidate must have permission to work ...

take ownership of ML systems deployed in real-world healthcare environments. The role requires close collaboration with software, robotics, embedded, clinical, regulatory, and quality teams. Key responsibilities: Translate clinical and product requirements into ML problems, datasets, metrics, and evaluation plans. Define the data pipeline, from raw and uncurated … evaluation, deployment, monitoring, and iterative improvement. Experience deploying and optimising models in cloud and on-premise environments. Strong software engineering practices, including testing, maintainability, code quality, and collaborative development workflows. Experience working in a regulated or safety-critical environment, ideally in medical devices, healthcare Ability to operate ...

architecture, guiding engineering standards and influencing how systems evolve over time. While you’ll remain hands-on, your impact will extend beyond your own code, shaping decisions, mentoring others and elevating the team. You’ll work across the full stack, owning everything from elegant frontend experiences to robust backend … Building high-quality, performant applications using React and Next.js * Designing and scaling Node.js APIs and distributed backend services * Driving best practices in code quality, testing, observability and maintainability * Partnering closely with product, design, and research to shape solutions end-to-end * Acting as a technical ...

pipelines from major financial market data vendors (Bloomberg, Refinitiv, Factset....) SDLC and DevOps: Git, Docker, Jenkins/TeamCity, monitoring, testing, agile practices. Passionate about code quality, data integrity, and building scalable and robust systems. Ability to communicate clearly with technical and non-technical colleagues. This hire ...

About the Company We are the category-defining platform for AI-native code reviews, purpose-built for modern engineering teams navigating the explosion of AI-generated code. As the most-installed AI application on GitHub and GitLab, we provide an intelligent "Code Guardian" that integrates directly into … developer workflow. While AI coding assistants help developers write code faster, they’ve also introduced a "review bottleneck"—increasing bug counts by nearly 2x. Our platform solves this by providing context-aware, line-by-line feedback, reducing manual review time by up to 50% and ensuring enterprise-grade security ...

agent‐based AI systems with orchestration tools (e.g., LangChain, CrewAI) in production. Strong Python engineering skills with solid testing, optimisation, CI/CD, and code quality; Experience implementing and scaling vector databases (Pinecone, Weaviate, Milvus) for retrieval and reasoning workloads. Deep expertise in cloud‐native AI engineering ...

improvement through refactoring, performance benchmarking, and adoption of best practices. Mentor and guide junior and mid-level developers, fostering a culture of technical excellence, code quality, and knowledge sharing. Participate in design reviews, production support, and root cause analysis of complex system issues. Work collaboratively within … process communication mechanisms in kdb+ and integration with external systems. Experience tuning kdb+ systems for low latency and high availability. Familiarity with data quality checks, validation frameworks, and operational resilience patterns. Exposure to financial markets data (e.g., market data, trading, risk, or post-trade workflows, equity asset class ...