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 ❯
Nottingham, Nottinghamshire, United Kingdom Hybrid / WFH Options
Formpipe Software AB
a willingness to learn from failure. Duties and Responsibilities You will play a key role in reimagining the Lasernet platform, balancing legacy systems with new development. Your responsibilities include: Refactoring and modernizing core codebase Deep problem analysis before solution implementation Participating in agile planning, estimation, and delivery Owning your work end-to-end Maintaining and improving the codebase Navigating legacy More ❯
much to do, from work to build out new user journeys and optimise conversion rates in our existing funnels, and answering questions with experiments and fast iteration, to maintaining, refactoring & improving our codebase and tooling. Our ideal engineer is detail focused and resourceful, and keen to understand the bigger picture outside of their product team, contributing to wider engineering and More ❯
Lancaster, Lancashire, United Kingdom Hybrid / WFH Options
Quantum Base Limited
a good understanding of Jetpack Compose Proficiency in Kotlin, including coroutines Excellent software engineering skills with a focus on modern best practices (nice to have examples: TDD, pair programming, refactoring, CI/CD, automation) Knowledge of Agile methodologies and experience working in an Agile team Ability to quickly learn complex problem spaces Nice to have experience Experience in SDK development More ❯
Cambridge, Cambridgeshire, United Kingdom Hybrid / WFH Options
Arm Limited
with expertise in DNS management (both internal and external), load balancing (open source and cloud-native), and the secure integration of certificates and secrets management. Support engineering teams in refactoring and containerising legacy applications using standard microservices frameworks (e.g., Spring Boot, Quarkus) and Kubernetes standard methodologies. Provide guidance on container standards, CI/CD integration, and scalable deployment patterns to More ❯
much to do, from work to build out new user journeys and optimise conversion rates in our existing funnels, and answering questions with experiments and fast iteration, to maintaining, refactoring & improving our codebase and tooling. Our ideal engineer is detail focused and resourceful, and keen to understand the bigger picture outside of their product team, contributing to wider engineering and More ❯
in an environment where dozens of changes can be shipped daily. Implement systems to monitor our infrastructure, detect and surface data quality issues. Recent projects the team has delivered: Refactoring of our MySQL Ingestion pipeline for reduced latency and 10x scalability. Redshift -> Snowflake migration Unified Local Analytics Development Environment for Airflow and DBT Building our next generation company metrics framework More ❯
City of London, London, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
prevent patients from experiencing health crisis. As a Full Stack Developer you'll collaborate with a small team working on internal tools and data platforms, with a focus on refactoring code, implementing robust security practices and scalable architectures. You'll use a range of technology, primarily JavaScript on the backend and TypeScript on the frontend, you'll build secure, responsive More ❯
on. You will Work with a team of exceptional engineers and Principals, taking pride in delivering high quality and modern Rails code. Have a keen eye for simplification and refactoring in the codebase Have a product mindset, and want to solve real problems for customers Identify and implement improvements to performance, user experience, and code quality Review code, providing clear More ❯
Birmingham, Staffordshire, United Kingdom Hybrid / WFH Options
National Physical Laboratory
expertise on software development across UKTL teams. Developing CLI and web applications using modern programming languages, debugging, troubleshooting, employing IDE and OS basics, test-driven development, writing clean code, refactoring, version control, CI/CD, alerting, monitoring, and conducting functional and non-functional testing. Designing and developing high-performance applications in C++, Python, and related languages. Conducting security research and More ❯
Maidenhead, Berkshire, United Kingdom Hybrid / WFH Options
Wireless Logic Group
works closely with product, design and participates in agile ceremonies Partners with Product; translates business requirements into technical solutions with balanced judgement Balances technical debt; makes informed decisions about refactoring versus new development Demonstrates strategic thinking; considers trade-offs, prioritises efforts and drives innovation Shows adaptability; embraces alternative approaches when new information emerges Communicates effectively; documents technical decisions and translates More ❯
Ship fully-configured environments, automate setup, and gather feedback to continuously improve usability and trust. AI-Optimized Codebases: Help make our codebases more navigable and "AI-friendly" - from deep refactoring, restructuring and documenting code to implementing standards that boost agent accuracy and code suggestion quality. Work directly with repo owners to trial improvements, audit for high-friction patterns, and feed More ❯
Exeter, England, United Kingdom Hybrid / WFH Options
The Citation Group
Shape the Future of Background Checking 🚀 What You'll Do: Design and develop high-performance, scalable PHP applications using Symfony framework Modernize and maintain legacy PHP codebases with strategic refactoring approaches Build and optimize RESTful APIs to power seamless screening experiences Apply Domain-Driven Design principles to solve complex business challenges Collaborate cross-functionally with React developers, software architects, and More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Caspian One
execution including milestone tracking, risk management, and stakeholder alignment Manage a team of 8+ UK-based FTEs, ensuring seamless collaboration and delivery Oversee application decommissioning, onboarding, data migration, and refactoring to enterprise tech standards Facilitate governance and reporting cadences, including executive updates and escalation paths Promote continuous improvement through retrospectives and evolving delivery practices Candidate Profile Proven experience delivering large More ❯
execution including milestone tracking, risk management, and stakeholder alignment Manage a team of 8+ UK-based FTEs, ensuring seamless collaboration and delivery Oversee application decommissioning, onboarding, data migration, and refactoring to enterprise tech standards Facilitate governance and reporting cadences, including executive updates and escalation paths Promote continuous improvement through retrospectives and evolving delivery practices Candidate Profile Proven experience delivering large More ❯
work with speed and efficiency Collaborating closely with product and design to shape features, flows, and UX from idea to launch Maintaining and scaling the products that work-improving, refactoring, or extending them based on real usage and feedback What you'll need Proven experience building full stack web applications end-to-end Strong React/Next.js skills and fluency More ❯
business. Mentor, develop and provide support for other senior software engineers, engineering managers and business leaders. Qualities we look for Must-haves Fullstack engineer, needs to have proven experience refactoring large frontends or similar large migrations in a leading role Highly proficient engineer, thought leader on frontend/web application architecture. Excellence in typescript and react frameworks are a must More ❯
Location London, Remote Employment Type Full time Location Type Hybrid Department Technology The role We're seeking a seasoned .NET Technical Lead with deep expertise in .NET/C# and WPF to guide the evolution of our LegalTech products. This More ❯
Social network you want to login/join with: At Zego, we know that traditional motor insurance holds good drivers back. It's too complicated, too expensive, and it doesn't take into account how well you actually drive. That More ❯
Birmingham, West Midlands, United Kingdom Hybrid / WFH Options
ByteHire
Reference: BH-346p Working Hours: 5 days per week Job Type: Permanent Permanent Salary: up to £60,000/per annum Location: UK, Fully Remote (1 day per month on-site, in Halifax, England) About the Company: The company is More ❯
Halifax, West Yorkshire, Yorkshire, United Kingdom Hybrid / WFH Options
ByteHire
Reference: BH-346p Working Hours: 5 days per week Job Type: Permanent Permanent Salary: up to £60,000/per annum Location: UK, Fully Remote (1 day per month on-site, in Halifax, England) About the Company: The company is More ❯
Leeds, West Yorkshire, Yorkshire, United Kingdom Hybrid / WFH Options
ByteHire
Reference: BH-346p Working Hours: 5 days per week Job Type: Permanent Permanent Salary: up to £60,000/per annum Location: UK, Fully Remote (1 day per month on-site, in Halifax, England) About the Company: The company is More ❯