Algo Execution Software Quant Developer (Fintech)

TL;DR

Senior Algo Execution Software Quant Developer (Fintech): Developing and optimizing live equity execution algorithms for a next-generation trading platform with an accent on strategy design, prime broker integrations, and performance analysis. Focus on refining production execution platforms, optimizing trading outcomes, and iterating rapidly in a startup environment.

Location: Connecticut, United States

Salary: $250,000–$500,000

Company

Our client is a rapidly growing quantitative investment firm building a next-generation trading platform from the ground up, backed by experienced portfolio managers and technologists.

What you will do

• Develop, enhance, and maintain live equity execution algorithms in a production environment.
• Own integrations with prime brokers and external execution venues.
• Take algorithms from research through testing and into live trading.
• Work directly with portfolio managers and quants to optimize execution performance.
• Monitor live execution, analyse performance, and iterate rapidly in a startup setting.
• Contribute to the evolution of the firm’s trading architecture as it grows.

Requirements

• Proven experience building and deploying live equity execution algorithms.
• Hands-on experience connecting to prime brokers (FIX or equivalent).
• Strong programming skills (Python, C++, Java, or similar).
• Deep understanding of equity market microstructure and execution dynamics.
• Comfortable operating in a small, fast-moving startup environment with high ownership.
• Experience supporting live trading systems with real capital at risk.

Culture & Benefits

• Join a quant fund at an early stage, post-go-live, with strong momentum.
• High visibility role with direct impact on trading outcomes.
• Flat structure, minimal bureaucracy, and genuine technical ownership.
• Competitive compensation with meaningful upside as the firm scales.
• Roadmap to $1 billion AUM over next 18 months.
• Great bonus and equity potential.