Senior Backend Developer – Real Time Investment Data Systems (18462) London, EnglandLocation: LondonRole Type: PermanentWork Setup: Hybrid – 3 days in the office (Tuesday to Thursday)
Who We AreVanguard is one of the world’s leading investment firms, dedicated to helping clients achieve lasting financial success. Established in 1975, its unique ownership structure—where funds own the company and investors own the funds—ensures all efforts are focused on client outcomes. Known for integrity, innovation, and low-cost investing, it fosters an inclusive and collaborative culture that empowers employees to make a meaningful impact globally.
What You’ll Do
Lead the design and delivery of real-time and historical data platforms, including integration with market data vendors such as OneTick, Bloomberg and Refinitiv
Translate business requirements into scalable technical solutions, making pragmatic architectural decisions with architects and engineers
Remain hands‑on in the development of core platform components, ensuring high-quality engineering delivery
Define and enforce standards for performance, resilience, data quality, observability and production stability across critical systems
Design and optimise data models, schemas and query patterns for large-scale financial time‑series datasets supporting trading and analytics use cases
Own production reliability during trading hours, while driving best practices in monitoring, incident response and mentoring engineers across the team
What You Bring
8+ years’ experience as a Senior Backend Developer, with a strong background in financial services, investment banking, banking, or asset management.
Proven expertise in Java backend development, designing and delivering high-performance, scalable applications.
Demonstrated experience building real-time investment data solutions, ideally using OMD (Order and Market Data) platforms.
Experience delivering complex system integrations and scalable data platforms within front-office trading, market data, or investment management environments.
Ability to act as a senior technical leader, influencing architecture, design, and delivery while working within small, high-performing engineering teams.
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