Senior Developer - Indexes

Title: Senior Developer (Equity Product Development) Location: London, UK (on-site mandatory; min. 3 days/week in office) Hours: 40 hours per week Overview Insight Global is looking for a Senior Developer to join the Equity Product Development team, delivering new index configurations, methodologies and calculations across two business-as-usual platforms. The team translates complex business and index rules into accurate, performant, testable software, working in a Scrum delivery model. The core stack is SQL Server (~50%), C#.NET (~30%), Angular (~10–20%) and Python for testing (~10%) Day-to-Day Responsibilities • Work directly with business stakeholders and SMEs to understand index methodologies and rules • Build accurate, performant, testable implementations across two BAU platforms • Deliver across scope including ETF Connect and composite-index support, a blended/multi-asset capped index, capping-methodology improvements, the Investability index series, and onboarding of new attributes • Carry out occasional Angular UI work (roughly quarterly) and rare legacy support • Apply careful impact analysis when working in a large, database-centric monolithic codebase • Take assigned stories end-to-end through to production, with strong self-testing and code quality • Participate in Scrum ceremonies and contribute to story/acceptance-criteria refinement Must-Haves • 5–10 years of commercial software development • Strong SQL Server (T-SQL, stored procedures, query/performance tuning) • Solid C#.NET development • Python for automated/component testing • Proven ability to translate complex business/calculation rules into testable software • Disciplined automated testing (unit and component coverage) • Comfortable in a monolithic, database-heavy system with multiple interdependencies Plusses • Angular UI development • Financial Markets (Equity) / Index Services domain knowledge • Index methodology or calculation-engine experience • Agentic AI tooling (e.g. GitHub Copilot) for development and test-case acceleration • Light exposure to legacy Sybase/Java