Senior Developer – Real Time Investment Data Systems in London

Senior Developer – Real Time Investment Data Systems in London

London Full-Time 70000 - 90000 £ / year (est.) No working from home possible
Vanguard

At a Glance

  • Tasks: Lead the development of real-time data platforms for investment management.
  • Company: Join a leading investment management technology team with a focus on innovation.
  • Benefits: Hybrid work model, competitive salary, and opportunities for professional growth.
  • Other info: Mentorship opportunities and a dynamic work environment await you.
  • Why this job: Make a significant impact on trading and analytics workflows in finance.
  • Qualifications: Experience in software engineering, particularly with real-time data platforms and AWS.

The predicted salary is between 70000 - 90000 £ per year.

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 One Tick 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 One Tick; 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, Market Axess).
  • 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).
  • #J-18808-Ljbffr

Senior Developer – Real Time Investment Data Systems in London employer: Vanguard

Vanguard in Manchester is an exceptional employer, offering a dynamic work culture that fosters collaboration and innovation. Employees benefit from comprehensive growth opportunities, including professional development and mentorship, while enjoying the flexibility of a hybrid work model that promotes work-life balance. With a commitment to excellence and a supportive environment, Vanguard empowers its team members to thrive and make impactful contributions to the business.

Vanguard

Contact Details:

Vanguard Recruitment Team

We think you need these skills to ace Senior Developer – Real Time Investment Data Systems in London

Real-Time Data Platforms
Time-Series Databases
Java
Python
AWS
Integration with Vendor Platforms
Data Services Design