76 to 100 of 104 Code Quality Jobs in the City of London

high-frequency FX trading Collaborate 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 structures, algorithms, and performance optimization More ❯

high-frequency FX trading Collaborate 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 structures, algorithms, and performance optimization 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 ❯

youll play a key role in helping the team evolve from early-stage speed to long-term stability, with the freedom to influence both product direction and engineering quality What youll be doing … Building and scaling a Node.js application that sits at the core of the product Designing and implementing new features for different sectors and use cases Helping drive improvements in code quality, architecture, and testing practices Working closely with product and engineering to prioritise, shape, and deliver features Introducing best practices and guiding a shift towards cleaner, more … maintainable code What were looking for: Strong hands-on experience with Node.js backend software development Comfortable working across or picking up other tech as needed ie AWS, React etc (If you have experience with AWS & React, that is a bonus) Enthusiasm for writing clean, tested, production-ready code Experience (or interest) in data-heavy systems, IoT, or connected 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 ❯

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 ❯

platform expertise with architectural vision and mentoring capability. Key Responsibilities Lead the design and delivery of ServiceNow architecture across multiple product lines (beyond ITSM). Guide development teams, enforcing code quality, standards, and architecture reviews. Act as a trusted advisor to clients and internal teams, influencing design decisions and solution strategy. Develop integrations with cloud infrastructure (AWS More ❯

customer-facing tools. ->Contribute to architecture discussions, suggest improvements, and help optimize system performance. ->Write clean, testable, and maintainable code. ->Collaborate in an agile environment, participating in sprint planning, code reviews, and team knowledge-sharing sessions. Tech Stack ->TypeScript ->Next.js ->Node.js ->GCP ->AWS (ML) ->CI/CD with GitHub actions and workflows ->SQL (PostgreSQL, MySQL) ->NoSQL (MongoDB, Firestore, Redis … front-end frameworks like React.js -> Experience with Docker, REST APIs, and cloud services (AWS, GCP, or Azure). -> A pragmatic problem solver who can balance delivering features with maintaining code quality. ->Strong communication skills and ability to collaborate across teams. Nice to haves... ->Python experience. ->GCP experience. ->Experience with AI/ML-powered applications. ->Exposure to real-time data More ❯

customer-facing tools. ->Contribute to architecture discussions, suggest improvements, and help optimize system performance. ->Write clean, testable, and maintainable code. ->Collaborate in an agile environment, participating in sprint planning, code reviews, and team knowledge-sharing sessions. Tech Stack ->TypeScript ->Next.js ->Node.js ->GCP ->AWS (ML) ->CI/CD with GitHub actions and workflows ->SQL (PostgreSQL, MySQL) ->NoSQL (MongoDB, Firestore, Redis … front-end frameworks like React.js -> Experience with Docker, REST APIs, and cloud services (AWS, GCP, or Azure). -> A pragmatic problem solver who can balance delivering features with maintaining code quality. ->Strong communication skills and ability to collaborate across teams. Nice to haves... ->Python experience. ->GCP experience. ->Experience with AI/ML-powered applications. ->Exposure to real-time data More ❯

features Work closely with product managers, designers, and stakeholders to translate ideas into robust, scalable solutions Mentor, guide, and grow a talented engineering team, while setting best practices for code quality, performance, and security Stay hands-on with code, while also steering technical strategy and project planning Champion an agile development process, ensuring efficient delivery and More ❯

features Work closely with product managers, designers, and stakeholders to translate ideas into robust, scalable solutions Mentor, guide, and grow a talented engineering team, while setting best practices for code quality, performance, and security Stay hands-on with code, while also steering technical strategy and project planning Champion an agile development process, ensuring efficient delivery and More ❯

Key Responsibilities Lead the architecture and design of complex, scalable software solutions. Provide technical leadership, mentoring engineers, and guiding decision-making across teams. Champion best practices in software architecture, code quality, and delivery processes. Collaborate closely with stakeholders to align technical strategy with business goals. Required Skills & Experience Proven experience in Software Architect or Senior Engineering roles. More ❯

Key Responsibilities Lead the architecture and design of complex, scalable software solutions. Provide technical leadership, mentoring engineers, and guiding decision-making across teams. Champion best practices in software architecture, code quality, and delivery processes. Collaborate closely with stakeholders to align technical strategy with business goals. Required Skills & Experience Proven experience in Software Architect or Senior Engineering roles. More ❯

on their in-house trading system. Responsibilities: Build reusable data components connecting external sources and internal tools Modernize legacy codebases to Python Translate business needs into technical solutions Maintain code quality and documentation Collaborate with global teams and stakeholders Requirements: 3+ years Python experience SQL (Oracle/PL SQL) Strong communication and attention to detail What's More ❯

on their in-house trading system. Responsibilities: Build reusable data components connecting external sources and internal tools Modernize legacy codebases to Python Translate business needs into technical solutions Maintain code quality and documentation Collaborate with global teams and stakeholders Requirements: 3+ years Python experience SQL (Oracle/PL SQL) Strong communication and attention to detail What's More ❯

design, development, and implementation of Guidewire InsuranceSuite solutions (PolicyCenter, BillingCenter, ClaimCenter). This role involves technical leadership, mentoring junior developers, and collaborating with stakeholders to deliver scalable, high-quality insurance applications. Key Responsibilities : Lead end-to-end development of Guidewire modules including PolicyCenter, BillingCenter, and ClaimCenter. Architect and implement scalable, maintainable solutions aligned … with enterprise IT strategy. Collaborate with business analysts, product owners, and QA teams to gather requirements and deliver robust solutions. Guide and mentor junior developers in best practices, clean code, and modern engineering principles. Conduct code reviews, enforce coding standards, and ensure high software quality. Manage deployment strategies and ensure smooth integration across environments. Troubleshoot and resolve complex More ❯

design, development, and implementation of Guidewire InsuranceSuite solutions (PolicyCenter, BillingCenter, ClaimCenter). This role involves technical leadership, mentoring junior developers, and collaborating with stakeholders to deliver scalable, high-quality insurance applications. Key Responsibilities : Lead end-to-end development of Guidewire modules including PolicyCenter, BillingCenter, and ClaimCenter. Architect and implement scalable, maintainable solutions aligned … with enterprise IT strategy. Collaborate with business analysts, product owners, and QA teams to gather requirements and deliver robust solutions. Guide and mentor junior developers in best practices, clean code, and modern engineering principles. Conduct code reviews, enforce coding standards, and ensure high software quality. Manage deployment strategies and ensure smooth integration across environments. Troubleshoot and resolve complex More ❯

features and services on time. Partnering closely with product managers, designers, and stakeholders to align business requirements with technical solutions. Reviewing and guiding technical decisions, architecture, and code quality standards. Championing best practices for security, performance, and scalability. Driving process improvements, optimising workflows, and ensuring effective use of Agile/Scrum methodologies. Tracking KPIs and More ❯

features and services on time. Partnering closely with product managers, designers, and stakeholders to align business requirements with technical solutions. Reviewing and guiding technical decisions, architecture, and code quality standards. Championing best practices for security, performance, and scalability. Driving process improvements, optimising workflows, and ensuring effective use of Agile/Scrum methodologies. Tracking KPIs and More ❯

Platform Engineering team - Develops, maintains and documents infrastructure best practices, guidelines, and guardrails for on-premise and cloud technologies - Ensure application performance, uptime, and scale, maintaining high standards for code quality and thoughtful design - Identifies, analyses, and resolves legacy and cloud infrastructure vulnerabilities and deployment issues - Develops and deploys modular cloud-based systems - Working with the Platform More ❯

Platform Engineering team - Develops, maintains and documents infrastructure best practices, guidelines, and guardrails for on-premise and cloud technologies - Ensure application performance, uptime, and scale, maintaining high standards for code quality and thoughtful design - Identifies, analyses, and resolves legacy and cloud infrastructure vulnerabilities and deployment issues - Develops and deploys modular cloud-based systems - Working with the Platform More ❯

with modern technologies such as Python, Django, Cloud Firestore, BigQuery, and Elasticsearch to deliver scalable, reliable software. Contribute to continuous improvement by identifying opportunities to enhance system architecture and code quality. Participate in code reviews, mentoring, and knowledge sharing to maintain engineering excellence. What do I need to be successful: Degree in Computer Science or equivalent industry experience. More ❯

We are looking for a Senior QA Automation Engineer with deep expertise in TypeScript and Playwright to join our growing quality team. This role is ideal for someone who thrives in a fast-paced environment, has strong problem-solving skills, and enjoys building robust test frameworks that support engineering at scale. You will play a key role in … shaping our test automation strategy, designing scalable solutions, and driving quality across cross-functional teams. Key Responsibilities Design and build robust automation frameworks from scratch using Playwright with TypeScript. Write reusable, maintainable, and scalable automated test scripts for end-to-end and integration testing. Drive adoption of test automation practices across teams, ensuring adherence to automation coding standards … using Buildkite, Spinnaker, Jenkins, or similar tools. Proficient with Git and best practices around version control in a collaborative development environment. Ability to write clean, modular, and reusable automation code following industry best practices. Strong communication skills with the ability to work closely with cross-functional teams and align quality objectives. Experience working in Agile environments with More ❯

We are looking for a Senior QA Automation Engineer with deep expertise in TypeScript and Playwright to join our growing quality team. This role is ideal for someone who thrives in a fast-paced environment, has strong problem-solving skills, and enjoys building robust test frameworks that support engineering at scale. You will play a key role in … shaping our test automation strategy, designing scalable solutions, and driving quality across cross-functional teams. Key Responsibilities Design and build robust automation frameworks from scratch using Playwright with TypeScript. Write reusable, maintainable, and scalable automated test scripts for end-to-end and integration testing. Drive adoption of test automation practices across teams, ensuring adherence to automation coding standards … using Buildkite, Spinnaker, Jenkins, or similar tools. Proficient with Git and best practices around version control in a collaborative development environment. Ability to write clean, modular, and reusable automation code following industry best practices. Strong communication skills with the ability to work closely with cross-functional teams and align quality objectives. Experience working in Agile environments with More ❯

partners to major financial corporations. They have multi-year contracts in place to continue working in partnership with blue chip £billion organisations as they expand into new territories. Software Quality is at the very core of what they do. They’re deeply passionate about delivering Quality Software and Test-Driven Development is in their DNA. You … promotion is endless and they are active looking for future leaders Why they’ll be interested in you - You have solid Programming experience, with a keen interest in Software Quality & Testing C# or Python or Java knowledge needed You probably have a relevant degree at 2:1 level or above You may have 1-3 years commercial experience More ❯