Software Engineer

Haystack
Boston, Kentucky, United StatesFull-timePosted Aug 30, 2026

About the role

We are working with an elite ML-driven systematic quant fund on the precipice of becoming fully proprietary, offering a rare opportunity to join a boutique operation and be part of an elite development team at a critical point in the business's journey as they become a prop-shop. The team is highly experienced in the trading sector, formed of senior team members from industry heavy hitters.

The Role

Develop and maintain a low-latency trading platform

Manage infrastructure such as data feeds and trade execution

Play a significant role in shaping the future of the business

Work with a high-trust culture offering significant work-from-home and work-from-anywhere flexibility

What You'll Need

0-4 years' experience (top graduates welcome)

Proficiency in Python (ideally as your main language)

Exposure to C++, Rust, or C# (desirable)

Ability to write performance-critical multithreaded code

Strong interest in trading, technology, and maximising performance improvements

Interest in high-availability systems with strict 99.999% uptime requirements

What's On Offer

Join a highly experienced team with a strong track record

Opportunity to make a significant impact at a pivotal time for the company

Excellent work-from-home and work-from-anywhere flexibility

Competitive salary with P&L-linked bonuses

Apply via Haystack today!

Responsibilities

  • Develop and maintain a low-latency trading platform
  • Manage infrastructure such as data feeds and trade execution
  • Play a significant role in shaping the future of the business

Qualifications

  • 0-4 years' experience
  • Proficiency in Python
  • Exposure to C++, Rust, or C#
  • Ability to write performance-critical multithreaded code
  • Strong interest in trading and technology

Benefits

  • Work-from-home and work-from-anywhere flexibility
  • Competitive salary with P&L-linked bonuses

Skills mentioned

PythonC++RustC#Performance OptimizationMultithreadingConcurrencySystems EngineeringLinuxTCP/IP

About Haystack

Haystack combines AI & expert vetting to deliver world-class tech candidates who are engaged, aligned, and ready to interview. We're trusted by over 400,000+ tech candidates, working in Software Engineering, Data, Design, DevOps, Cloud, Tech Management, Testing, Product & Delivery, Architecture and more. 100s of employers from startups and scale-ups like Atom Bank, DuckDuckGo and Goodlord to established enterprises like American Express, Dunelm and AWS use Haystack to connect with qualified tech talent that they can't find anywhere else.

Technology51-200 employeesNewcastle upon Tyne, England