6 of 6 Permanent Refactoring Jobs in the City of London

high-impact legacy services while building AI-powered engineering workflows. What You'll Do Modernise critical legacy Java services using AI-driven analysis and refactoring Apply migration patterns (e.g. strangler fig) to deliver clean, modern APIs Ship improvements in fast cycles with measurable gains in performance and reliability Build ...

data architecture, with at least 3 years in a leadership position Expert-level Databricks, Azure and SQL/Python Proven track record of refactoring legacy estates onto modern platforms without breaking things GCP and BigQuery experience is a strong advantage High EQ, comfortable presenting to leadership and managing non-technical ...

very data driven, the analytical/mathematical product covers Energy Power Trading, Storage, and Power Modelling. Ideally, you’ll have experience of designing, refactoring, implementing and testing C# code, with a focus on maintainability, testability and performance. This company has a collaborative environment where they like their Developers to have ...

redesign of their data stack, including containerising workflows, migrating to cloud SQL, and introducing tools like Prefect. Maintain and optimise 60 Python pipelines, refactoring legacy code into modular components. Keep Power BI dashboards accurate and up to date, supporting evolving business needs. Help implement validation and anomaly detection within their ...

leadership position. Expert level proficiency in Databricks, Azure and SQL/Python, with GCP and BigQuery experience highly desirable. A proven track record of refactoring legacy data estates and migrating them to modern platforms without disrupting business continuity. A player-coach mindset, equally comfortable leading a team and writing production ...

evolving a long-lived execution platform while contributing to a broader modernisation effort. Day to day, that means a mix of careful refactoring, incremental improvements, and responding to real-time trading needs. You’ll be speaking directly with end users, making changes that have immediate impact, and shaping … services engineering (direct exposure required) Trading systems or execution platforms Hedge fund/systematic trading environment Algorithmic trading software development Software testing and safe refactoring practices Clear technical communication (working with traders and senior stakeholders) What You'll Work With C# .NET Framework SQL Server WinForms desktop applications Azure Kafka ...