151 to 175 of 329 Refactoring Jobs in the UK

Lead final-stage code reviews prior to merge/deploy to ensure: Stability, correctness, and performance impact. Compliance with system architecture and modular design principles. Maintain codebase health through refactoring, standardisation, and enforcing consistent unit/integration test coverage. Coordinate release cadence and sign-off across environments; manage hotfixes and rollback protocols. Trading Engine – Strategy Build & Optimisation Design, implement, and More ❯

Lead final-stage code reviews prior to merge/deploy to ensure: Stability, correctness, and performance impact. Compliance with system architecture and modular design principles. Maintain codebase health through refactoring, standardisation, and enforcing consistent unit/integration test coverage. Coordinate release cadence and sign-off across environments; manage hotfixes and rollback protocols. Trading Engine – Strategy Build & Optimisation Design, implement, and More ❯

Life Cycle (SDLC) Experience with automation and continuous delivery methods Hands-on experience in system design, application development, testing, and ensuring operational stability Demonstrated proficiency in code optimization and refactoring to enhance scalability and performance Advanced understanding of agile methodologies, including CI/CD, application resiliency, and security Preferred Qualifications, Capabilities, and Skills: Proficiency in big data technologies such as More ❯

bureaucracy and focus on giving developers time to develop. Alongside of building new products and services, we are constantly looking to enhance our existing systems by improving performance and refactoring for reuse. There are numerous opportunities to design scalable architectures. Key job responsibilities - Define, design, and implement multi-tier distributed software applications. - Estimate engineering effort, plan implementation, and rollout system More ❯

Git, continuous integration, and AWS cloud. Enjoy collaborating with team members to create innovative solutions for the research community. Have experience with a modern IDE and proficiency in using refactoring tools. Be open to discussing and refining approaches to improve team practices. Have experience with test-driven development and mocking libraries. Why Join Us? Join our team and contribute to More ❯

your drive for excellence, you’ll bring certain skills, qualifications and experience, including: Excellent communication and stakeholder management skills Previous experience of working with Python and GCP Experience of refactoring prototype data pipeline designs for scaling and regular execution Understands query optimisation, efficient code design, version control and collaborative development THE BENEFITS This role is rewarding in more ways than More ❯

your drive for excellence, you'll bring certain skills, qualifications and experience, including: Excellent communication and stakeholder management skills Previous experience of working with Python and GCP Experience of refactoring prototype data pipeline designs for scaling and regular execution Understands query optimisation, efficient code design, version control and collaborative development THE BENEFITS This role is rewarding in more ways than More ❯

AWS services (EC2, RDS, SQS, SNS, S3 etc) Excellent with MySQL 5 and 8, both with and without modern frameworks e.g. Eloquent Comfortable with working on legacy code and refactoring PSR coding styles and use of tooling such as CS-Fixer, PHPStan Experience working with CI/CD pipeline tools such as GitHub Actions, Jenkins The ability to write and More ❯

your drive for excellence, you’ll bring certain skills, qualifications and experience, including: Excellent communication and stakeholder management skills Previous experience of working with Python and GCP Experience of refactoring prototype data pipeline designs for scaling and regular execution Understands query optimisation, efficient code design, version control and collaborative development THE BENEFITS This role is rewarding in more ways than More ❯

APIs in our Node.js backend to interact with the various ML components of the system. Diagnozing fault-tolerance and availability issues, as well as performance bottlenecks, and resolving them. Refactoring our components and services and producing documentation for your implementations. Providing feedback to peers through pair programming and code reviews and helping those around you to level up. Participating in More ❯

doing Architecting, coding, and shipping high-quality digital products that push the boundaries of what’s possible. Using AI to streamline workflows —from AI-generated boilerplate code to automated refactoring and debugging. Building cutting edge features , including LLM-backed chat interfaces, content generation tools, and intelligent automation solutions. Leading by example , mentoring and collaborating with other engineers to improve quality More ❯

Familiarity with AWS tooling relevant to front-end infrastructure. Exposure to accessibility standards and inclusive design practices. Enthusiasm for clean, well-documented, and testable code. A thoughtful approach to refactoring legacy systems. **Please note, we cannot offer sponsorship to applicants (or transfer existing visas) at present** Salary: up to £110,000 + bonus + equity (dependent on experience) Additional Information More ❯

Minitest and CircleCI. We're also actively working towards a more modular architecture, focusing on separating concerns to achieve all the benefits of microservices within a monolith, while progressively refactoring our code as we build new features. Everyone in the engineering team contributes to driving our technical strategy, voices & ideas from all levels are valued: we are all owners at 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 ❯

isn't just about writing code, so any experience in software planning like wireframes, specification writing, data modelling, database design, API design or similar would be hugely beneficial Legacy refactoring - not all of our projects are modern and greenfield, and being able to work on and positively uplift older projects (not rewrite them!) is a skill we hold in very More ❯

early. Implement automated regression‐test suites covering historic client files before every release. Change Management & Release Coordination Perform impact analysis & sign‐off for all schema/rule edits, balancing refactoring of legacy logic with a strict zero‐regression mandate. Maintain clear change‐logs and communicate upcoming impacts to internal teams & clients. Project, Client & Stakeholder Management Act as primary point of More ❯

Minitest and CircleCI. We're also actively working towards a more modular architecture, focusing on separating concerns to achieve all the benefits of microservices within a monolith, while progressively refactoring our code as we build new features. Everyone in the engineering team contributes to driving our technical strategy, voices & ideas from all levels are valued: we are all owners at More ❯

of telemarketing and customer service. Join the team taking an MVP platform to the next level. Work with integration of third-party services, architectural work, development of new features, refactoring and work closely with the data science team to analyze voice. Required experience: 3+ years Type of engagement: It is a long-term and full-time freelance contract. Project period More ❯

utilise your expertise in the Microsoft Power Platform to design, develop, and implement solutions that transform businesses. This work includes migration of legacy services to cloud-based hosting, the refactoring of applications into a modern API-based services architecture and the development of new line-of-business applications. Essential Skills: Power Apps: Proven experience in developing Canvas and Model-driven More ❯

an experienced Lead .NET Developer to work on their enterprise-grade, cloud-native SaaS product helping multinational organisations. Key Responsibilities: Own technical strategy Shape the technology roadmap Guide architecture & refactoring Champion code quality Drive AI augmented What You Bring: Deep expertise in .NET, relational data modelling, and modern JavaScript/TypeScript SPA frameworks (Vue preferred). Extensive enterprise market background More ❯

team. This role would suit a .NET Software Engineer who has experience of building software that solve real world problems. Your time will be split between greenfield applications and refactoring legacy code. This role is Hybrid and their HQ is based in Cirencester. You will need to work in the office 2 days per week during probation reducing to once More ❯

team. This role would suit a .NET Software Engineer who has experience of building software that solve real world problems. Your time will be split between greenfield applications and refactoring legacy code. This role is Hybrid and their HQ is based in Cirencester. You will need to work in the office 2 days per week during probation reducing to once More ❯

team. This role would suit a .NET Software Engineer who has experience of building software that solve real world problems. Your time will be split between greenfield applications and refactoring legacy code. This role is Hybrid and their HQ is based in Cirencester. You will need to work in the office 2 days per week during probation reducing to once More ❯

should enjoy writing clean, maintainable, and performant code over large datasets, and have knowledge of SQL, AWS, Python, and Powershell. The role provides ownership and autonomy, with responsibilities including refactoring existing code to improve performance, troubleshooting, and working closely with the product team to translate business requirements into technical solutions. Staying up-to-date with industry trends and new technologies More ❯

proficiency in Node.js development (TypeScript preferred) Intermediate experience with React.js Hands-on experience with Docker and Kubernetes Strong SQL skills, ideally with Postgres or Oracle Adept at identifying and refactoring code anti-patterns and addressing technical debt Well-versed in CI/CD tools and methodologies (e.g., Jenkins) Deep understanding of testing strategies—from unit and integration to performance and More ❯