551 to 575 of 988 Code Quality Jobs in London

Senior Java Developer

Location
Greater London, England, United Kingdom
technical delivery while remaining deeply hands‐on. You will design and build platform components, own complex engineering outcomes, and set high standards for quality, reliability, and operability. You will work closely with architects and engineering peers, mentor team members, and contribute to both technical and delivery decisions. … delivery of complex features and platform capabilities Design and build scalable Java/Spring Boot microservices Define and uphold engineering standards for code quality, testing, and documentation Mentor engineers and promote knowledge sharing Drive DevOps practices, CI/CD, and operational readiness Collaborate with globally distributed engineering ...

Software Engineer

Hiring Organisation
Genius Sports
Location
London, United Kingdom
Salary
£ 80 K
into practical technical solutionsCommunicate clearly about progress, assumptions, blockers and technical trade-offsContribute to technical design discussions and reviewsWrite clear, maintainable and well-tested code that follows team standardsWork within established architecture patterns while identifying sensible improvements to existing systemsDebug and resolve issues across the stack, investigating root causes … seeking support when neededParticipate in code reviews, providing constructive feedback and incorporating feedback into your own workIdentify opportunities to improve code quality, performance, and team development practicesUse modern development tools, including AI-assisted tools, while remaining accountable for reviewing and validating the resultQualifications: Experience developing software ...

Senior Software Engineer

Location
City Of London, England, United Kingdom
assisted survey creation and analysis — handling real-time data streams and failure states robustly. Balance speed with sustainability: Ship quickly while maintaining high code quality, performance, and testability. Proactively reduce technical debt and improve system health. Elevate the entire team: Provide thoughtful code reviews, mentor other ...

Principle Data Warehouse Engineer (Executive Director)

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
world business challenges and drive actionable insights Collaborates closely with cross-functional teams to integrate data solutions into business-critical applications, actively participating in code reviews and architectural decisions Evaluates and selects data visualization tools, and creates impactful visualizations to communicate key trends and insights to stakeholders Provides technical … management systems Strong proficiency in hands-on development using industry-standard tools and languages (e.g., SQL, Python, Spark, cloud platforms), with a commitment to code quality and delivery excellence Preferred qualifications, capabilities, and skills Hands-on experience with Databricks for scalable data engineering, analytics, and collaborative development ...

Software Engineer

Hiring Organisation
Smarkets
Location
London, United Kingdom
Salary
£ 100 K
maintain complex designs/features written in Python and RustImplement alerting and monitoring to ensure the stability of our servicesHelp reinforce the standard for code quality, by writing tests and reviewing merge requestsContinuously improve engineering processes including CI/CDMentor technically your direct teammatesWork closely with Product … spoken communication skills in EnglishThe ability to effectively collaborate with cross-functional teamsProficiency in utilising AI-driven development tools (e.g., Cursor, Codex or Claude Code) to accelerate coding, debugging, and documentation workflows.Our ValuesOur values are at the heart of everything we do - guiding how we work, collaborate, and innovate. ...

AI-First Engineering Transformation Lead

Location
Greater London, England, United Kingdom
leaders across the organization to adopt new ways of working. Your impact will be measurable through improved developer productivity, faster delivery cycles, higher software quality, and the successful adoption of AI‐powered engineering practices across Hansen. What You'll Do Lead Hansen's AI-First Engineering Transformation Drive … ecosystems Measure and Scale Success Define and monitor key transformation KPIs, including: AI tool adoption rates Developer productivity improvements Development cycle time reduction Software quality metrics Use measurable outcomes to continuously improve tooling, processes, and ways of working What You Bring Experience implementing AI-first or AI-native ...

Engineering Manager (Remote - UK)

Hiring Organisation
Reonomy
Location
London, United Kingdom
Salary
£ 80 K
technical strategy and delivery plansGuide teams building and evolving AWS-native and cloud-based platforms, alongside legacy systemsSet and uphold strong engineering standards across code quality, testing, CI/CD, observability and documentationStay close to technical decisions through design reviews, architecture discussions and hands-on coachingBalance … native architecture, AWS and distributed systemsProficiency in at least one modern programming languageStrong grasp of system design and software engineering fundamentalsExperience with Infrastructure as Code, CI/CD, observability and secure production systemsAble to communicate technical ideas clearly to both technical and non-technical stakeholdersUnlock your Altus Experience ...

Principal Engineer

Hiring Organisation
Formula Recruitment Limited
Location
London, United Kingdom
Salary
£ 100 K
closely with Product and Delivery leadership to keep engineering strategy aligned with broader business goalsChampion strong engineering fundamentals — testing, CI/CD, infrastructure as code, and clean architectureIdentify practical ways to bring emerging technologies, including AI tooling, into everyday engineering workflows~Key Requirements:A strong track record delivering large … infrastructureProficiency in TypeScript across a modern backend stackExperience leading and influencing across multiple engineering teams, not just within a single squadA genuine care for code quality, sustainable architecture, and long-term thinking over short-term deliveryA collaborative, mentoring leadership style that brings the best ...

Senior II Product Engineer

Hiring Organisation
9fin
Location
London, United Kingdom
Salary
£ 80 K
idempotency, partitioning, retries, and observability.Contribute to platform level discussions on service boundaries, data ownership, and how systems evolve as we enter new markets.Run thorough code reviews, mentor senior and mid level engineers, and help define what good looks like in the codebase.Partner with cross functional teammates from Product, Data … services, with heavy use of AWS Lambda serverless.Docker on AWS ECS for uniform development and deployment.Internal developer platform with a standardised paved road from code to production, plus managed preview environments and feature flags.What we're looking forYou will be a great fit if you have:Several years operating ...

Senior II Product Engineer

Hiring Organisation
9fin
Location
London, UK
Employment Type
Full-time
retries, and observability. Contribute to platform level discussions on service boundaries, data ownership, and how systems evolve as we enter new markets. Run thorough code reviews, mentor senior and mid level engineers, and help define what good looks like in the codebase. Partner with cross functional teammates from Product … heavy use of AWS Lambda serverless. Docker on AWS ECS for uniform development and deployment. Internal developer platform with a standardised paved road from code to production, plus managed preview environments and feature flags. What we're looking forYou will be a great fit if you have: Several years ...

Software Engineer

Location
Greater London, England, United Kingdom
designs/features written in Python and Rust Implement alerting and monitoring to ensure the stability of our services Help reinforce the standard for code quality, by writing tests and reviewing merge requests Continuously improve engineering processes including CI/CD Mentor technically your direct teammates Work … lunch everyday in the office – you don’t need to worry about feeding your belly as we have it sorted with top quality food served by our in‐house Chef Alex! What happens next We aim to have a simple and speedy hiring process, and we want ...

Front-End Engineer

Hiring Organisation
Smarkets
Location
London, United Kingdom
Salary
£ 80 K
functional and pixel-perfect interfacesImplement monitoring and error tracking to ensure the stability and performance of our user-facing applicationsHelp reinforce the standard for code quality, by writing tests and reviewing merge requestsContinuously improve engineering processes including CI/CDBe the champion of the stack by demonstrating … solid understanding of distributed systems in a modern cloud environmentExperience profiling front-end performance to identify and resolve bottlenecksFamiliarity with Figma and Design-to-Code workflowsExcellent written and spoken communication skills in EnglishThe ability to collaborate effectively across cross-functional teamsProficiency with AI-driven development tools to accelerate coding ...

Senior Software Development Engineer, Data Center Builder Tools

Hiring Organisation
Amazon
Location
London, United Kingdom
Salary
£ 80 K
around shared interfaces and contracts.Raising the engineering bar broadly: establishing standards for testing (unit, integration, and on-hardware validation), performance benchmarking, operational excellence, and code quality, and holding the team to them through design and code review.Growing engineers: mentoring Junior and Mid level SDE, developing their … scaling) of new and current systems- Knowledge of professional software engineering & best practices for full software development life cycle, including coding standards, software architectures, code reviews, source control management, continuous deployments, testing, and operational excellencePreferred qualification - Bachelor's degree in computer science or equivalent- Experience with full software development ...

Lead Engineer - United Kingdom

Location
Greater London, England, United Kingdom
engineering bar across the team. This is a hands-on technical leadership role. You will be expected to design systems, write and review code, solve difficult engineering problems, guide other engineers and drive major initiatives from idea to production. You should be comfortable moving between architecture and implementation — making … strong technical decisions while still being close enough to the code to execute when needed. What You'll Own Lead the technical design and execution of major products, features and engineering initiatives. Design scalable, reliable and maintainable systems across backend, frontend, APIs, databases or infrastructure. Stay hands-on with ...

Applied AI ML Engineer - Associate

Location
City of Westminster, England, United Kingdom
requirements, solution design, prototyping, evaluation, deployment support, monitoring, and iteration. Develop Python-based AI/ML solutions on AWS/GCP, contributing production-ready code as part of a delivery team. Build and evaluate AI/LLM solutions, including prompt/RAG patterns and agentic workflows, alongside classical … statistics, probability, linear algebra, and model evaluation. Experience with scikit-learn and either PyTorch or TensorFlow. Practical DevOps mindset: testing, CI/CD, reproducibility, code quality, and operational awareness. Excellent written and verbal communication; able to explain technical trade-offs clearly. Collaborative, curious, and comfortable working with ...

Applied AI ML Engineer - Associate

Location
Greater London, England, United Kingdom
requirements, solution design, prototyping, evaluation, deployment support, monitoring, and iteration. Develop Python-based AI/ML solutions on AWS/GCP, contributing production-ready code as part of a delivery team. Build and evaluate AI/LLM solutions, including prompt/RAG patterns and agentic workflows, alongside classical … statistics, probability, linear algebra, and model evaluation. Experience with scikit-learn and either PyTorch or TensorFlow. Practical DevOps mindset: testing, CI/CD, reproducibility, code quality, and operational awareness. Excellent written and verbal communication; able to explain technical trade-offs clearly. Collaborative, curious, and comfortable working with ...

Senior Backend Engineer, Backoffice team (Python)

Location
Greater London, England, United Kingdom
resolve production issues, identify bottlenecks, and reduce tech debt Apply best practices in Git workflows, CI/CD pipelines (TeamCity, GitHub Actions), and code quality Drive improvements in our architecture, development processes, and internal tooling What We’re Looking For 4+ years of experience in backend development … your own pace Unlimited vacation — take time off when you need it, no fixed limits Supportive team — thoughtful, skilled colleagues who care about quality and results Hiring Process Intro call with our Talent team Technical interview with the Backend team Gamified cognitive assessment to understand how you think ...

Associate Salesforce Developer

Location
Greater London, England, United Kingdom
client’s office 2 times/we ek Some of your key responsibilities will be to: Deliver deployments using DevOps tools such as code repositories and Jenkins, with appropriate support from senior team members Execute testing activities and validate code coverage in line with agreed development stand ardsParticipate … code reviews and apply coding standards to improve code quality and maintainability Maintain Kanban boards and keep development tasks organised, visible and up to date Develop Apex test classes aligned to business scenarios, technical requirements and development standards Deliver development work in line with the team ...

Senior Full-Stack Engineer - AI-Driven Cloud Platform

Location
Greater London, England, United Kingdom
cloud infrastructure. You’ll work in a small, high-ownership engineering team, collaborate with the CTO, and contribute to AI-powered features while maintaining code quality and security. #J-18808-Ljbffr ...

Senior FIX Onboarding Specialist - Vice President

Location
Greater London, England, United Kingdom
Develop and maintain comprehensive documentation for each client onboarding project. Drive adoption and governance of approved AI‐assisted engineering practices across teams to improve code quality, delivery speed, and operational outcomes, while establishing measurable validation standards. Apply knowledge of tools within the Software Development Life Cycle toolchain ...

Senior Golang Engineer – AI Products & Platforms

Location
Greater London, England, United Kingdom
turn innovative ideas into production-ready solutions.* Contribute to the design and implementation of cloud-native, microservices-based architectures.* Drive engineering best practices across code quality, testing, observability and CI/CD.* Solve complex distributed systems challenges, focusing on scalability, resilience and performance.* Mentor engineers and contribute ...

Insurance Analytics C# Developer

Location
Greater London, England, United Kingdom
developers to integrate comprehensive analytics into software solutions, enriching the platform's value proposition Advocate and implement industry-standard software development practices, championing code quality, maintainability, and robust testing methodologies to ensure the reliability and scalability of our solutions Participate in the research, evaluation, and prototyping ...

Senior Golang Engineer – AI Products & Platforms

Hiring Organisation
Citigroup
Location
London, United Kingdom
Salary
£ 80 K
teams to turn innovative ideas into production-ready solutions.Contribute to the design and implementation of cloud-native, microservices-based architectures.Drive engineering best practices across code quality, testing, observability and CI/CD.Solve complex distributed systems challenges, focusing on scalability, resilience and performance.Mentor engineers and contribute ...

Senior Golang Engineer – AI Products & Platforms

Location
Greater London, England, United Kingdom
turn innovative ideas into production‐ready solutions. Contribute to the design and implementation of cloud‐native, microservices‐based architectures. Drive engineering best practices across code quality, testing, observability and CI/CD. Solve complex distributed systems challenges, focusing on scalability, resilience and performance. Mentor engineers and contribute ...

Senior Full Stack Lead Engineer ReactJS, TypeScript

Hiring Organisation
Huxley Associates
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
across frontend and backend (full stack) engineering initiatives. Key focus:- Full-Stack Engineering Frontend Engineering (ReactJS) Backend Engineering (.NET/C#) Engineering Standards & Software Quality DevSecOps & SDLC Collaboration Technical Mentoring & Engineering Enablement Required Experience Significant hands-on experience in software engineering within large enterprise environments. Strong expertise ...