Principal Engineer

Open Yield is transforming fixed income trading with a next-generation marketplace that delivers firm, executable prices—instantly actionable h the foundation in place, we are now focused on scaling performance and innovating with AI to unlock the next wave of trading efficiency.

As Principal Engineer, you will lead the evolution of Open Yield’s trading platform, enhancing marketplace functionality and performance with a focus on AI-driven innovation. You’ll partner with traders and engineers to build scalable systems that power intelligent, automated trading across fixed income markets.

• Scale Trading Infrastructure
• Enhance and scale the core trading platform to support low-latency, high-throughput execution
• Ensure peak performance, reliability, and fault-tolerance under growing volume and complexity
• AI-Driven Innovation
• Develop and deploy AI-powered tools to improve execution strategies and user experience
• Build systems to support intelligent search, personalization, and automated workflows
• Data Architecture & Performance
• Optimize search and retrieval systems for real-time and historical market data
• Refine database architecture to handle increasing data and analytics demands
• Compliance, Security & Scalability
• Ensure systems meet regulatory, security, and scalability requirements as adoption grows
• Technical Leadership
• Mentor engineers and drive a culture of technical excellence
• Define and uphold high engineering standards across the platform

• 10+ years of software engineering experience, ideally in high-performance trading environments
• Expertise in modern C++ (17/20/23) and Rust
• Strong experience with SQL and No
  
  SQL databases optimized for performance and scale
• Deep understanding of distributed systems, multithreading, and performance tuning
• Experience with fixed-income trading systems (bonds, treasuries, credit derivatives, etc.)
• Familiarity with FIX protocols and market data feeds
• AI/ML expertise for data search, portfolio construction, or UX optimization is a strong plus
• Experience with cloud-native architectures (AWS, GCP, or Azure) is a plus
• Ability to balance innovation with platform stability and reliability

• Lead platform and AI innovation at a high-growth fintech
• Work at the intersection of advanced technology and institutional trading
• Drive meaningful impact in a fast-moving, execution-focused environment

If you're excited about building the future of fixed-income trading through high-performance systems and AI-driven tools, we’d love to hear from you.