8 of 8 Legacy Code Jobs in London

designs, and the development team, who deliver them. You will turn HLDs into well-documented, implementable designs (Low-Level Design) and make sure the code that results is consistent, secure and maintainable. About Bestway Bestway Group is a diversified multinational family owned business with annualised turnover in excess … communities through its operations across the UK, Pakistan and the Middle East Responsibilities: Application & low-level design: Own component-level (C4 Level 3) and code-level (C4 Level 4) design and LLDs for our applications. Translate Solution Architects HLDs into clear implementation designs, and make sure the team understands ...

Mobile applications that serve tens of millions of cardholders worldwide demand a relentless focus on user experience and code quality. As an iOS Engineer, working in a hybrid mode in London, you will sit at the intersection of scale and creativity, where ambiguity is part of the challenge … work matters because every feature you help shape reaches users around the world. Responsibilities Build and maintain iOS applications and write and delete code as needed Use build tools such as Tuist, xcodebuild, GitHub Actions and Circle CI and apply continuous integration patterns Find and fix bugs and apply ...

Java, to successfully accomplish development tasks. Conduct thorough testing at the unit, functional, and integration levels to ensure software reliability and performance. Handle both legacy code and new development projects. Promote collaboration and synergy among traders, researchers, and software engineers. Qualifications: Experience in designing, developing, and supporting mission … Java, to successfully accomplish development tasks. Conduct thorough testing at the unit, functional, and integration levels to ensure software reliability and performance. Handle both legacy code and new development projects. Promote collaboration and synergy among traders, researchers, and software engineers. Qualifications: Experience in designing, developing, and supporting mission ...

workflows, including model selection, prompt and harness engineering, tool integration and reusable skills. Support the adoption of AI across the SDLC, including test generation, code review, documentation, legacy code understanding and modernisation. Run structured proofs of value with clear hypotheses, baselines, success criteria and evidence-based outcomes. … integrating agents with tools and services. Strong prompt engineering and harness engineering experience. Experience with AI coding and agent tooling such as Claude Code, GitHub Copilot, Codex, Kiro or MCP. Knowledge of applying AI across the software development lifecycle. Experience defining engineering standards, guardrails or practices adopted across multiple ...

slowing the pace of new development. Demonstrable hands-on experience applying AI to software engineering at team scale with measurable results (e.g. AI-driven code modernisation, test generation for legacy code or agentic development workflows) and an informed point of view on how AI will change both ...

systems with a constant focus on testing, reliability, scalability, and maintainability. Designing, modeling, and programming in a variety of languages and technologies. Working on legacy code as well as green field development. Initiative driving projects to completion. Learning and promoting new technologies with a focus on best practices. ...

Hands on experience with Kotlin for server side, or/and React and Typescript for the frontend. Proven track record of refactoring and modernising legacy codebases and architectures, improving performance and maintainability while minimising risk and customer impact. Track record of integrating and optimizing AI/ML-enabled features ...

small- to medium-sized applications that business people use in their day-to-day work. What you will do in this rolePrimarily work on legacy code, and sometimes work on green-field development. Lead small projects to completion. Hands on with business users, sometimes collaborating with them … solutions. Strong verbal and written communication skills. Fluency in one or both of Python and C#.Ability to work with AI coding assistants (e.g. Claude Code) to accelerate software development. Bachelor's degree in Computer Science or Software Engineering (or equivalent).6+ years of Software Engineering experience. For more information ...