76 to 85 of 85 Legacy Code Jobs in London

development of ML models for end-to-end autonomous driving, including data strategy, design, experimentation, evaluation, and deployment. Resolve ambiguities and uncertainties in complex projects involving multiple teams and legacy codebases. Lead by example to promote high-quality coding, rigorous ML experimentation, and knowledge sharing among team members. Collaborate with stakeholders across different teams and time zones to define More ❯

is a huge bonus! You will be helping to reduce a high-volume of tickets raised by the operations teams of the business, mainly dealing with bug fixes and legacy code/application upgrades within their desktop and web applications and liaising directly with the end users. Further into the contract once the support ticket volume is sufficiently … reduced you'll start to look for opportunities to improve legacy code and applications. This is for an urgent start, so if you have the required availability, tech skills, experience with application engineering and your own Ltd company, we'd love you to apply and set up a call. More ❯

products. Your contributions will have a direct impact on the profitability of our strategies providing a competitive edge in the markets. Key responsibilities/Day-to-day: Optimize quantitative code and numerical methods Collect data about trading and research needs for multi-asset trading focusing on futures Adapt, fix, write tests, or in some cases re-implement strategies execution … code Build analytics for understanding how to optimize execution for existing strategies Basic Requirements: Practical knowledge of Data Analytics with Python Proficiency with C Java Computer Science/Math or similar degree At least 2 years of market experience, preferably in Futures Trading Nice to have Requirements: Previous experience working with FIX Previous experience with quant trading What you … ll be a part of team Teza!). Our environment helps people to master their art and have fun doing it. What makes you a match: You love to code and find solutions to complex problems You know how to get people to listen to your ideas You are capable of understanding and improving the legacy codebase You More ❯

on law firms, lawyers and their clients. About the role We are seeking Full Stack Engineer(Front End) to join our dynamic team as we modernise our platform, refactor legacy systems, and build new tools that directly impact users across the legal world. This is a full-time, permanent position based in Fleet Street with a hybrid working model … robust RESTful and GraphQL APIs to serve application data and develop responsive user interfaces from Figma designs using Next.js, Tailwind, and CSS Modules. Additionally, you will refactor and improve legacy code to enhance speed, security, and scalability. You will work with PostgreSQL, MongoDB, and modern state management tools, collaborating closely with Product, UX, and Data teams to ensure … high-impact, maintainable delivery. Your role will also involve engaging in code reviews, testing, documentation, and DevOps practices. The ideal candidate Required Technical Skills: Node.js React/Next.js REST and GraphQL PostgreSQL or similar relational databases Preferred Additional Skills: Experience with legacy codebases Understanding of frontend performance, API design, and secure backend logic Familiarity with modern state management More ❯

cross-functional teams around shared goals and clear communication. Evaluate new opportunities to evolve and modernize the tech stack, supporting both immediate delivery and long-term vision. Systematically replace legacy code with modern, maintainable solutions to improve efficiency and scalability. Lead the evolution of development workflows and Agile practices to boost effectiveness and responsiveness. Introduce and enforce QA … frameworks and testing strategies to ensure code quality. Ensure core compliance standards are met (ISO27001), integrating security and audit readiness into daily operations. Support hands-on development work where needed, while fostering a culture of ownership and continuous improvement. Guide strategic discussions with stakeholders to align technology with business outcomes. Success Measures (6–12 Months) A clear, innovation-focused … technology roadmap with visible traction. Agile practices embedded across the development cycle, enabling efficient delivery. Noticeable reduction in legacy system reliance and progress towards modernisation. Demonstrable team engagement and collaboration, reflected in morale and output. Initial compliance benchmarks for ISO27001 are actively being met. Ensure stakeholders are aligned and informed on technical direction and decisions. Proven leadership in a More ❯

end autonomous driving: ranging from initial data strategy, design, development, experimentation, evaluation, and deployment; Able to navigate ambiguities and address uncertainties arising from complex projects involving multiple teams and legacy codebases; Writes high-quality code while being rigorous with Machine Learning experimentation; Collaborate closely with stakeholders from multiple teams in different time zones to define interfaces and requirements More ❯

Make high-impact architectural and engineering decisions aligned with the product vision and long-term roadmap. Greenfield Development: Design and build a secure, scalable authentication solution from scratch—no legacy code. End-to-End Ownership: Own the entire iOS stack, from architecture and tooling to development and deployment. High Autonomy: Full freedom to choose the frameworks, libraries, and development More ❯

cloud infrastructure services. Experience developing and maintaining a variety of self-service delivery mechanisms including web applications, API and data exchanges. Experience working with, and refactoring/rewriting, a legacy codebase. Familiarity with multiple programming languages (Ruby is our primary language at the moment, but we have a diverse tech stack, including Python). Expertise in agile development methodologies. More ❯

cloud infrastructure services. Experience developing and maintaining a variety of self-service delivery mechanisms including web applications, API and data exchanges. Experience working with, and refactoring/rewriting, a legacy codebase. Familiarity with multiple programming languages (Ruby is our primary language at the moment, but we have a diverse tech stack, including Python). Expertise in agile development methodologies. More ❯

Responsibilities: Lead technical design for the platform Line manage a team of 3 developers Balance 60/40 split between hands-on coding and managerial duties Oversee modernization of legacy code to .NET 9 Support ISO27001 implementation Experience: Extensive experience with .NET & C# Strong understanding of Azure services Experience implementing ISO27001 Salary: Up to £90,000 Location: London More ❯