Lead Developer – Real Time Investment Data Systems

The Role

We are seeking a Senior Developer to work on the design and delivery of real‑time and time‑series data platforms within our investment management technology team. This role combines hands‑on engineering with domain expertise, setting direction for systems that underpin market data, trading, portfolio, and analytics workflows used by Portfolio Managers, Traders, and Quant teams.

Key Responsibilities

• Act as lead developer for real‑time and historical data platforms, including integration with vendor platforms like OneTick and real‑time data providers like Bloomberg, Refinitiv, etc.
• Design, implement, and maintain scalable and reliable data services.
• Collaborate with business and IT leaders to understand requirements, propose scalable solutions, and set engineering standards around performance, resilience, data quality, and observability.
• Make pragmatic architectural decisions balancing business urgency, scalability, and long‑term maintainability.
• Lead engineering standards around performance, resilience, data quality, and observability; review code and designs for correctness, performance, and operational readiness.
• Design schemas, partitioning, and data lifecycle strategies for large‑scale intraday and historical datasets.
• Integrate with vendor platforms and ensure consistent, reliable data for internal consumers.
• Optimize query performance and data access patterns for PM, Trader, and Quant use cases.
• Own production stability for business‑critical data systems, particularly during trading hours.
• Define and enforce best practices for monitoring, alerting, incident response, and root‑cause analysis.
• Identify performance bottlenecks, scalability risks, and operational weaknesses.
• Mentor engineers, providing technical guidance and raising overall team capability.

Qualifications

• Proven significant professional software engineering experience in building real‑time data platforms in the investment management domain.
• Strong integration experience with real‑time vendor platforms like OneTick; strong experience in time‑series databases and analytical platforms.
• Hands‑on proficiency in Java, Python, and other programming languages; building scalable services on AWS.
• Experience acting as Lead Engineer on mission‑critical systems involving real‑time streaming and messaging technologies on AWS.
• Deep understanding of financial time‑series characteristics and ability to design scalable schemas and query models for intraday and historical analytics.
• Strong understanding of market data, orders, executions, positions, portfolios, and pricing.
• Experience balancing latency, storage efficiency, and analytical flexibility.
• Familiarity with vendor data ecosystems (Bloomberg, Refinitiv, MarketAxess).
• Track record delivering platforms used directly by PMs, Traders, and Quant teams.
• Strong ability to influence technical direction and mentor senior and junior engineers.

Special Factors

• Vanguard is not offering visa sponsorship for this position.
• This is a hybrid position; would require working in the office 3 days per week (Tuesday, Wednesday & Thursday).

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