24 of 24 Refactoring Jobs in London

required to: Produce high quality increments to the team's model library - working both individually and collaboratively. Providing leadership in areas such as object modelling & interface design, automated testing & refactoring and performance optimisation. Provide support to Trading & Origination on model usage and behaviour. Leverage the teams cross-asset expertise to connect business locations, helping to identify synergies and increase efficiency. More ❯

Bachelor's degree in computer science or equivalent practical experience. 3+ years experience building and deploying cloud workloads. 3+ years experience in Java, Golang, or Scala, building tools and refactoring code. Broad knowledge of enterprise security technologies in a high-growth, cloud-based environment. Experience with AWS/GCP, containerised environments, and security architecture alignment. Knowledge of at least one More ❯

reliability. Code with Excellence: Write clean, efficient, and maintainable code, and set the standard through thoughtful code reviews and technical leadership. Drive Performance: Continuously optimize for speed and scale, refactoring and innovating as you go. Document & Share: Ensure clarity and knowledge sharing by documenting architectures, processes, and best practices. What You'll Bring: Proven Java Expertise: Proven experience with Java More ❯

development (TDD) to ensure code quality and building of new features. Leverage AI-assisted tools (e.g., GitHub Copilot, Claude Code) to streamline development and accelerate feature delivery. Perform code refactoring, increase test coverage, and improve legacy codebases. Apply performance and memory profiling techniques to ensure optimal runtime behaviour. Utilise dependency injection frameworks (e.g., Autofac) to write clean and decoupled code. More ❯

You'll have the freedom to shape how things are built and the trust to get on with it - whether that's improving infrastructure, shipping new features, or quietly refactoring something that needs it. Senior Go Developer - Key Requirements: Significant professional experience in software development, with a strong focus on backend systems Proficiency in Go/Golang and proven expertise More ❯

strategies. Experience setting up, configuring and maintaining all parts of the development process, e.g. tracing, monitoring, observability, automated CI/CD pipelines, release tooling, APIs and backend integrations. Experience refactoring complex codebases, reducing technical debt and improving code quality over time. Experience taking ownership of complex projects, from technical design to implementation Demonstratable leadership supporting & coaching peers on ways of More ❯

strategies. Experience setting up, configuring and maintaining all parts of the development process, e.g. tracing, monitoring, observability, automated CI/CD pipelines, release tooling, APIs and backend integrations. Experience refactoring complex codebases, reducing technical debt and improving code quality over time. Experience taking ownership of complex projects, from technical design to implementation Demonstratable leadership supporting & coaching peers on ways of More ❯

stand-ups, reviews, retrospectives. Creating and maintaining clear documentation for APIs, services, and workflows. Providing production support and troubleshooting to keep systems stable and efficient. Driving continuous improvements through refactoring, automation, and performance tuning. What’s on Offer Day Rate: Up to £650 (outside IR35) Contract Length: 12 months, with strong possibility of extension Location: Fully remote UK based The More ❯

genomic analysis pipelines. Contribute to expanding deployment of existing analysis pipelines to additional computational platforms as required. Support the identification and sharing of best bioinformatics practice. Accept responsibility for refactoring existing WGS software components. Develop tested, validated and versioned software components for genomic analyses, incorporate into and validate new genomic pipeline versions. Satisfy support requests for genomic analysis from clinical More ❯

strategies. Experience setting up, configuring and maintaining all parts of the development process, e.g. tracing, monitoring, observability, automated CI/CD pipelines, release tooling, APIs and backend integrations. Experience refactoring complex codebases, reducing technical debt and improving code quality over time. Product Delivery Want to deliver brilliant products and unmissable entertainment that grips millions of households? Our 1000 strong, Product More ❯

Essential requirements: - Minimum 3 years professional software development experience - Expert proficiency in Python in software development and data science/processing - Strong working knowledge of R - Proven experience in refactoring "research-level" code into production-ready software - Proven experience of collaborating effectively in cross-functional team environment - Software skills include: OOP, test-driven development, unit testing (pytest), Git, CI/ More ❯

Essential requirements: - Minimum 3 years professional software development experience - Expert proficiency in Python in software development and data science/processing - Strong working knowledge of R - Proven experience in refactoring "research-level" code into production-ready software - Proven experience of collaborating effectively in cross-functional team environment - Software skills include: OOP, test-driven development, unit testing (pytest), Git, CI/ More ❯

automation is key. We value growth and flexibility , welcoming developers from all backgrounds. What You’ll Be Doing Building resilient and adaptable fintech platforms in React, Typescript and Java Refactoring to improve code design Writing comprehensive tests for every commit Automating processes to improve efficiency Rotating across teams to enhance collaboration More ❯

automation is key. We value growth and flexibility , welcoming developers from all backgrounds. What You’ll Be Doing Building resilient and adaptable fintech platforms in React, Typescript and Java Refactoring to improve code design Writing comprehensive tests for every commit Automating processes to improve efficiency Rotating across teams to enhance collaboration More ❯

around ten people total, five engineers), working on a genuinely greenfield platform with a modern stack and zero legacy The focus now is on maturing the codebase – re-architecting, refactoring, testing, and scaling. You’ll 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 More ❯

ten people total, five software engineers), working on a genuinely greenfield platform with a modern stack and zero legacy The focus now is on maturing the codebase re-architecting, refactoring, testing, and scaling. As a Senior Software Engineer, youll play a key role in helping the team evolve from early-stage speed to long-term stability, with the freedom to More ❯

to deliver scalable solutions, mentor developers, and ensure that our systems are secure, high-performing, and aligned with business goals. This is a hands-on role, driving rapid prototyping, refactoring code and leading on new 0-1 initiatives. Despite Cosegic being 22 years old, the product and engineering team functions more like a startup and as skunkworks within the organisation. More ❯

to deliver scalable solutions, mentor developers, and ensure that our systems are secure, high-performing, and aligned with business goals. This is a hands-on role, driving rapid prototyping, refactoring code and leading on new 0-1 initiatives. Despite Cosegic being 22 years old, the product and engineering team functions more like a startup and as skunkworks within the organisation. More ❯

to deliver scalable solutions, mentor developers, and ensure that our systems are secure, high-performing, and aligned with business goals. This is a hands-on role, driving rapid prototyping, refactoring code and leading on new 0-1 initiatives. Despite Cosegic being 22 years old, the product and engineering team functions more like a startup and as skunkworks within the organisation. More ❯

to deliver scalable solutions, mentor developers, and ensure that our systems are secure, high-performing, and aligned with business goals. This is a hands-on role, driving rapid prototyping, refactoring code and leading on new 0-1 initiatives. Despite Cosegic being 22 years old, the product and engineering team functions more like a startup and as skunkworks within the organisation. More ❯

with knowledge of the latest standards Experience in Apple/Google Play/Amazon app store submission Passion and interest in mobile games and development Performance profiling, optimisation and refactoring experience. Well versed in games and able to criticise what is strong/weak about existing games/systems Experience in implementing analytics and data hooks into a web service More ❯

with knowledge of the latest standards Experience in Apple/Google Play/Amazon app store submission Passion and interest in mobile games and development Performance profiling, optimisation and refactoring experience. Well versed in games and able to criticise what is strong/weak about existing games/systems Experience in implementing analytics and data hooks into a web service More ❯

with knowledge of the latest standards Experience in Apple/Google Play/Amazon app store submission Passion and interest in mobile games and development Performance profiling, optimisation and refactoring experience. Well versed in games and able to criticise what is strong/weak about existing games/systems Experience in implementing analytics and data hooks into a web service More ❯

with knowledge of the latest standards Experience in Apple/Google Play/Amazon app store submission Passion and interest in mobile games and development Performance profiling, optimisation and refactoring experience. Well versed in games and able to criticise what is strong/weak about existing games/systems Experience in implementing analytics and data hooks into a web service More ❯