51 to 75 of 105 Code Quality Jobs in the City of London

/UI designers, backend engineers, and product managers to translate business requirements into technical solutions. Mentorship: Guide and mentor junior developers, encouraging a culture of continuous learning and improvement. Code Quality: Enforce best practices in code quality, testing, and documentation. Innovation: Stay up to date on emerging technologies and advocate for their adoption when … as establishing best practices for test coverage and continuous integration pipelines. Significant experience in optimising application performance, specifically focused on frontend and SSR performance improvements through effective use of code-splitting, hydration strategies, caching, and state management solutions. Familiarity and practical experience with current JavaScript language features (ES2020+) and tooling ecosystems (Babel, TypeScript). Proven ability to guide technical … decision-making, mentor engineering teams, conduct rigorous code reviews, and uphold high standards for code quality, maintainability, and scalability. What you’ll get back from us: Alongside being challenged daily and a real interest in your development, you will also receive: Subsidized Sky HD package, broadband and discounted sky talk Free Puregym membership Free healthcare with More ❯

team culture Design, implement, and scale robust microservices using Go and Node.js Collaborate with product, DevOps, and leadership to define backend strategy and architecture Guide and mentor engineers through code reviews, 1:1s, and technical development Maintain high standards for code quality, system performance, and reliability Ensure smooth delivery processes by managing technical roadmaps and ensuring … expertise in building microservices and distributed systems Experience with cloud platforms (AWS or GCP), Docker, Kubernetes, and CI/CD pipelines Strong focus on writing clean, scalable, and secure code Excellent communication, collaboration, and problem-solving skills A passion for mentoring and elevating others on the team What’s on Offer: Fully remote work with flexible hours Competitive compensation More ❯

team culture Design, implement, and scale robust microservices using Go and Node.js Collaborate with product, DevOps, and leadership to define backend strategy and architecture Guide and mentor engineers through code reviews, 1:1s, and technical development Maintain high standards for code quality, system performance, and reliability Ensure smooth delivery processes by managing technical roadmaps and ensuring … expertise in building microservices and distributed systems Experience with cloud platforms (AWS or GCP), Docker, Kubernetes, and CI/CD pipelines Strong focus on writing clean, scalable, and secure code Excellent communication, collaboration, and problem-solving skills A passion for mentoring and elevating others on the team What’s on Offer: Fully remote work with flexible hours Competitive compensation More ❯

Warehouses preferred. Experience implementing data 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 is an incredible opportunity for a Data More ❯

Templeton and Partners are looking for IT Software Quality Engineering with Cypress experience Location- London, hybrid Contract- 6-12 months, inside Ir35 Roles and Responsibilities: Operating as part of a small Agile/Scrum feature team of about 5-7 developers, testers and other specialists. The Automation Tester will have a solid reporting line to the Design Engineering … verbally and in writing Proactive and Organized, Capable of working in an ambiguous/uncertain environment, understanding risks & flagging it on time. Ability to mitigate risks and ensuring quality deliverables adhering to timelines. Test Delivery Assurance complying with Shell standard tools and framework. Mandatory skills: Python. 7+ years of in QA, 4 in Selenium BDD framework. QA Automation … of Web Applications, Web Services and REST APIs. SDLC & Manual testing. Design & execution of test cases for manual & automation. Automation & Quality Engineering Tools/Method, Selenium & Python. BDD & Specflow/Python Behave Optional skills: Using source controllers GIT/TFS. SQL. Salesforce. Degree in computer science or equivalent More ❯

GPU, as well as develop pre- and post-processing tools. You will work closely with engineers and product teams to deliver robust solutions, actively participate in Agile planning and code reviews, and ensure code quality through thorough testing and debugging. What's required for this Senior CFD Software Engineer position? Degree in Physics, Mechanical/Aerospace More ❯

Identify and collaborate with senior developers to address complex problems and implement effective solutions. · Promote a quality-first approach, emphasizing straightforward architecture and the highest standards of code quality in alignment with company-wide conventions. Required skills: · Minimum of 4 years of hands-on experience with Javascript working mainly on Frontend solutions · Solid grasp of … Agile environment. · Proficient in addressing cross-browser compatibility issues and employing effective strategies to resolve them. · Well-versed in front-end build tools, such as Webpack. · Skilled in utilizing code versioning tools, notably Git. · Sound understanding of browser rendering behavior and techniques to optimize performance. · Capable of developing and implementing unit tests for code components and complete applications. More ❯

We’re looking for a high-caliber engineer to join as a CTO. You should be deeply hands-on with code, technically opinionated, and capable of building production systems from scratch. This is a role for someone who enjoys execution but also has the potential (or ambition) to lead technology at a company-defining level. 🔍 What You'll Do … Build and own core infrastructure and backend systems Design and implement APIs, data models, and scalable services Collaborate closely with founders on product direction and technical architecture Ship code fast, validate assumptions, and iterate Lay the groundwork for the future engineering team (tooling, processes, and architecture) ✅ Core Technical Requirements Proficient in one or more modern backend languages (e.g. Python … Terraform, Pulumi, etc.) is a plus Competent with databases and data modeling — SQL and NoSQL, designing schema for scale Comfortable writing tests and deploying production systems — you care about code quality and reliability ⭐ Bonus Experience (Not Required, but Valuable) Worked at a Pre-Seed or Seed-stage startup through to Series A Built or deployed software used More ❯

automation, security, and infrastructure improvements. You will play a key role in helping streamline workflows, identify vulnerabilities, and clean up critical systems. There will be a focus on inspecting code quality for bugs and vulnerabilities using SonarQube and utilising Octopus Deploy for release management so you must have used these in previously. Requirements Previous experience as a … DevOps/Infrastructure Engineer working within an on-prem/Windows environment. Hands on experience using SonarQube and Git for code quality and version control. Strong appreciation for automation and scripting using PowerShell and Python. Knowledge of DevOps toolsets around Azure DevOps, CI/CD, and Containerisation Ability to ensure security is considered across all projects. Previous More ❯

to build a small QA team. The role requires extensive experience with C# and mobile automation. If you're experienced in establishing QA processes and passionate about driving quality in a fast-paced environment, we want to hear from you! Key Responsibilities: Lead the transformation of the QA capability into a mature, scalable Quality Engineering practice. … Act as a technical expert, hands-on in test automation and tooling. Line manage and mentor a team of Quality Engineers. Partner closely with software engineering teams to define test requirements and embed automation across development workflows. Define and develop key performance metrics to monitor testing outcomes and system behaviour. Lead the design, development, and maintenance of the … scripts. Promote and implement automation best practices and industry standards. Drive root cause analysis processes to minimise time-to-resolution for defects. Requirements: Strong and proven experience in software quality assurance, test automation, and QA leadership. Proficiency in C# and associated testing frameworks. Experience with cloud platforms, particularly AWS , and CI/CD tools such as TeamCity, Jenkins More ❯

re now hiring a Lead React Engineer to lead one of their Engineering Squads. This is a 70% hands-on, 30% leadership role. You’ll stay close to the code while also mentoring engineers, guiding architecture, and improving performance, reliability, and delivery across teams. The stack includes TypeScript, React, Next.js, GraphQL (Apollo), and modern CI/CD tooling. This … is a hybrid role based in St. Paul's, typically 2 days a week in the office. The team is collaborative, product-led, and serious about code quality and engineering culture, but they’re good craic too, with a great sense of humour and camaraderie. What you will bring: Strong hands-on experience building modern React apps … an agile, product-focused environment What you will do: Lead a frontend squad building user-facing features in React and TypeScript Write and review high-quality, maintainable code alongside the team Take ownership of architecture, component design, and delivery quality Define and enforce coding standards, testing strategy, and CI/CD pipelines Collaborate closely with More ❯

frontend, product, devops) to define and build robust backend architectures. Work with Node.js and TypeScript to integrate backend services with modern web applications. Drive best practices around system design, code quality, and performance monitoring. Mentor junior engineers, providing technical guidance and support to ensure quality across the engineering team. What You’ll Bring: 5+ years … Hands-on experience in designing and deploying microservices architectures. Strong familiarity with cloud platforms, containerization (e.g., Docker, Kubernetes), and CI/CD pipelines. A passion for writing clean, maintainable code and delivering high-quality products. Experience in performance tuning, scalability, and systems optimization. Excellent communication skills and a collaborative mindset. What’s on Offer: Fully remote work More ❯

platforms. Kotlin Multiplatform Initiative: Lead the design and implementation of a Kotlin Multiplatform strategy to create a shared backend codebase for the Carer Companion App, improving development efficiency and code quality. Technical Leadership: Act as a technical authority within the mobile team, providing guidance and mentorship to other developers. Product Collaboration: Collaborate with product managers, UX/UI designers … and other stakeholders to translate product requirements into robust technical solutions. Code Quality: Champion best practices in mobile development, including code reviews, unit testing, and continuous integration, to maintain a high-quality and scalable codebase. Innovation: Stay up-to-date with the latest trends and technologies in mobile development and advocate for their adoption … on top of emerging technologies and industry trends and apply them to your workflow. Collaborate with both the engineering and wider product teams on a daily basis. Participate in code reviews and help to define & enforce quality engineering standards. What we ask of you: Substantial real-world experience of cross-platform mobile app development. Be honest and More ❯

for 0-1, working with 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 build great products that are More ❯

on collaboration, mentoring engineers, and fostering a culture of innovation. You’ll work closely with product teams to translate bold ideas into reality, all while maintaining high standards for code quality and performance. Experience with modern tech stacks and cloud platforms is a must, but we’re most excited about your ability to inspire and drive results. More ❯

for 0-1, working with 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 build great products that are More ❯

issues, and developer tasks. Influence dataset design that will train and benchmark next-gen LLMs. What does day-to-day look like: Review and compare 3–4 model-generated code responses for each task using a structured ranking system. Evaluate code diffs for correctness, code quality, style, and efficiency. Provide clear, detailed rationales explaining the … Canva, Shopify,Intuit,PayPal, Research at IBM/GE/Honewell/Scheinder etc. ). Strong fundamentals in software design, coding best practices, and debugging. Excellent ability to assess code quality, correctness, and maintainability. Proficient with code review processes and reading diffs in real-world repositories. Exceptional written communication skills to articulate evaluation rationale clearly. Prior … experience with LLM-generated code or evaluation work is a plus. Bonus Points Experience in LLM research, developer agents, or AI evaluation projects. Background in building or scaling developer tools or automation systems. Engagement Details Commitment: ~20 hours/week (partial PST overlap required) Type: Contractor (no medical/paid leave) Duration: 1 month (starting next week; potential extensions More ❯

technical risks early and provide clear, pragmatic solutions Review and provide feedback on technical designs, requirements, and documentation Promote best practices across software engineering, with a strong focus on code quality, CI/CD, documentation and data governance best practices Interact with Data Science and Intelligence teams to help set development priorities and roadmap. This role will More ❯

also building the right things - this is a rare opportunity to do both. Your Role: We’re looking for a Head of Engineering who loves to get into the code; and is ready to lead a small but growing team. You’ll report directly to our Founder & Chief Product Officer, and play a key role in how we build … for someone who combines strong technical ability with a passion for helping others deliver high-quality software. You’ll be expected to lead by example, through your code and code reviews, your decisions, and your drive to continuously improve how we build. In your first few months, success means improving engineering velocity and quality, introducing clear standards and structure without overengineering, and aligning the team around technical direction and accountability, while continuing to ship the most critical code and infrastructure yourself. Your Tasks: Design and build software yourself, across Node.js, TypeScript, React, AWS, PostgreSQL, while also guiding others to do the same Take technical ownership of projects and infrastructure end-to More ❯

Provide training to clients and internal teams when needed Write functional and technical specifications aimed at our development team Test and validation of new developments Ensure the highest software quality is provided for our clients Requirements: MS degree in Mathematics, Engineering, Computer Science or other related fields Results-oriented, analytical approach with strong entrepreneurial problem-solving skills Experience … and understanding an object-oriented programming code (C#) – the ability to read and understand functional code is mandatory. Previous work experience as a developer is a big plus Energetic, collaborative, and seeking to make a positive impact on the company Entrepreneurial approach and ability to work alone or in teams with minimal supervision Excellent time management and organization More ❯

scale end-to-end ML pipelines, including data ingestion, feature engineering, model training, and deployment. Champion best practices in software engineering: CI/CD, testing, containerisation, version control, and code quality. Collaborate with cross-functional teams including data scientists, platform engineers, and product stakeholders to align AI solutions with business goals. Experience Strong commercial experience in Python with a … new AI/ML products from day one. Global scale: Work with one of the world’s most respected organisations on high-visibility projects. Engineering-driven culture: Prioritising quality, autonomy, and continuous learning. If you're a seasoned AI/ML engineer who thrives in high-autonomy environments, and you’re passionate about solving real-world problems with More ❯

on the front end. Work closely with the founders and to translate user needs into elegant, practical software. Help us make early architecture decisions and set the standard for code quality and best practices. Contribute to rapid prototyping and iteration based on user feedback. What they're looking for: Strong experience with JavaScript and Front End frameworks More ❯

on Rails, AWS, and React/TypeScript. You will play a crucial role in shaping the future of our products and ensuring they meet the highest standards of quality and performance. Key Responsibilities: Lead and mentor a team of developers, fostering a collaborative and innovative environment. Design, develop, and maintain robust and scalable web applications using Ruby on … cross-functional teams to define, design, and ship new features. Ensure the performance, quality, and responsiveness of applications. Identify and correct bottlenecks and fix bugs. Help maintain code quality, organisation, and automation. Requirements: Proven experience as a Full Stack Developer with a focus on Ruby on Rails. Strong knowledge of AWS and cloud-based services. More ❯

authority for all backend, architectural and infrastructure decisions . Reporting directly to the CEO, you'll lead and grow a high-performing engineering function, while staying deep in the code as an Engineer. In this role you will: Lead architecture to build scalable, event-driven backend systems Own and evolve the cloud and infrastructure stack (Terraform, Kubernetes, GCP) Line … manage and mentor 4 Engineers, hiring more later in 2025 Lead daily standups, drive delivery, and maintain a high bar for code quality Partner with the CEO on roadmap priorities and hiring strategy Be comfortable switching hats. Player/coach, architect, hands-on builder This isn’t a greenfield 0→1, the foundations are in place. Your More ❯

with business users and technical teams to understand trading requirements and deliver effective solutions Develop and optimise complex SQL stored procedures and database components that underpin trading applications Ensure code quality, system performance, and scalability across the platform Play a key role in the ongoing digital transformation of trading workflows The Requirements: Proven experience as a developer More ❯