17 of 17 Refactoring Jobs in the South East

and enhancements. Troubleshoot and debug complex issues, providing timely resolutions to ensure the stability and performance of existing applications. Optimise application performance through code refactoring, database tuning, and other optimisation techniques. Utilise monitoring tools such as New Relic, to identify performance bottlenecks and proactively address issues. Write clean, well-documented More ❯

concepts and ensuring system reliability. Experience with monitoring tools like Prometheus, Grafana and Sumo Logic. System Configuration and Documentation Experience designing, documenting, amending and refactoring moderately complex software configurations for deployment and system components. Server Administration and Operating Systems Intermediate experience with Linux and Windows server operating systems. Preferable Incident More ❯

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 More ❯

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 More ❯

world problems. Your work will have immediate visibility and impact. Optimising code for performance, scalability, and reliability You’ll deep-dive into code profiling, refactoring, and fine-tuning to ensure your applications are lightning-fast and resilient, capable of handling large volumes of data and transactions with minimal latency and More ❯

DevOps practices, and cloud migrations . Assess and mitigate technical debt , ensuring a balance between quick wins and long-term stability . Oversee the refactoring and modernization of legacy applications , ensuring observability, performance, and security . Collaborate with Chief Engineers and engineering teams to define best practices for ETL, data More ❯

into the FE application. Reviewing the code of teammates, make sure that code quality meets the required project level quality Reduce technical debt by refactoring the existing code to match new business requirements Express initiative and take responsibility for it. Fix various glitches in UI, Improve the UX flow of More ❯

experiences using HTML5, CSS3, and SASS. Testing your work thoroughly with appropriate unit testing before release. Estimating your own work and managing time effectively. Refactoring code regularly to improve performance and maintainability. Collaborating with the Head of Application and cross-functional teams to align on design and implementation. Sharing your More ❯

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 ❯

Code Ensuring the best possible performance, quality and responsiveness of applications Identifying bottlenecks and bugs in current software and devising solutions to these problems Refactoring and merging two existing software solutions into a single, unified test and demonstration suite while providing the opportunity to improve features and remove any existing More ❯

software engineer. Main duties: + Develop complex embedded software and interface with hardware for new and existing products throughout the product life cycle. + Refactoring of firmware + Manage complex projects, supervise R&D staff, and collaborate with various departments to meet project objectives. Skills and Experience Required: + Ability More ❯

Responsibilities Developing full Windows desktop graphical engineering software package integrating with our back-end components and cloud services Enhancing and maintaining existing software solutions, refactoring or creating modules as required Being responsible for a high-quality and high-performance implementation of the software developed by you Designing and implementing engineering More ❯

Software Engineer | C#, SQL, Legacy Refactoring | Systematic Hedge Fund Rate: £650-750 per day IR35: Outside Duration: 12 months+ Location: 3 days in the office per week in Moorgate/Liverpool Street We’re working with a high-performing, systematic hedge fund based in the City to help them hire … to have) Experience in XP or lean development (nice to have) The Role: You’ll be the lead engineer on their Portfolio Management application , refactoring the existing codebase, helping move it to a new server environment, and improving how logic sits between the app and the database. The application is … mature but under-tested so the focus is on precision refactoring , incremental improvement , and maintaining behavioural integrity during change. You'll work closely with senior platform owners, quant developers, a DevOps engineer, and trading analysts across the front and middle office. About You: 10+ years’ experience as a hands-on More ❯

ISP onboarding (Virgin Media Ireland, BT Openreach) with specific regulatory actions and pitfalls Telecom Stack Optimization - Across products - Rationalization of telecom stacks, Opportunities for refactoring products and improve utilization , provide cost benefits Engage with multiple layers of the business (Enterprise and Technical architects, Directors, Capability Owners etc.) to educate them More ❯

ISP onboarding (Virgin Media Ireland, BT Openreach) with specific regulatory actions and pitfalls Telecom Stack Optimization - Across products - Rationalization of telecom stacks, Opportunities for refactoring products and improve utilization, provide cost benefits Engage with multiple layers of the business (Enterprise and Technical architects, Directors, Capability Owners etc.) to educate them More ❯

MyPy, ensuring scalability and performance. Lead architectural improvements, including modularising core components of their monolithic system/decouppling (prior microservices experience is essential) Champion refactoring initiatives to enhance code quality, maintainability, and system resilience. Architect and implement seamless third-party integrations, addressing complex client onboarding requirements. Collaborate closely with frontend … knowledge of Flask (or Django/FastAPI with repository pattern experience). Strong familiarity with JavaScript, TypeScript, and React Proven track record in system refactoring, modular design, and scalable architecture. Financial services or fintech background—understanding core concepts like lending, asset management, or risk is advantageous. Culture & Team Fit: We More ❯

Software Engineer (C#/SQL/TDD/Code Refactoring/Python/Trading) 6 month contract initially £500 - £600 per day (outside IR35) Hybrid (London, The City) About the Role Albany Growth are looking for an experienced Software Engineer to join a growing technology team. This role is critical … to improving governance, code quality, and testing standards across applications and databases. The successful candidate will be responsible for rearchitecting and refactoring a key database in the company’s trading system. This will enable further modernisation of the software stack in collaboration with other engineers in the software development team. … make a significant impact on business-critical software and to collaborate with and learn from other experts. Ideally you’ll have a passion for refactoring to improve code quality, and for automated testing at all levels: unit, integration and acceptance. Essential experience 10+ years commercial experience as a software engineer More ❯