<p>Principal .NET Engineer - PredictIt</p> <p>As a Principal .NET Engineer for PredictIt, you will play a key leadership role in shaping the architecture, performance, and reliability of our high-scale trading systems. This is a hands-on position with a balance of technical leadership and individual contribution: approximately 30% architecture and system design, 30% code reviews and mentorship, and 30% hands-on development.</p> <p>You will work across the tech stack-from redesigning our financial engine and real-time trading infrastructure to guiding the delivery of secure and compliant user-facing applications. You'll also help build the next generation of CFTC-compliant Designated Contract Market (DCM) and Designated Clearing Organization (DCO) systems, supporting millions of dollars in financial transactions.</p> <p>Key Responsibilities</p> <ul> <li>Lead the architecture and design of mission-critical software systems, with a focus on performance, scalability, and fault tolerance. </li><li>Conduct in-depth code reviews that go beyond identifying bugs, ensuring maintainability, security, and long-term design integrity. </li><li>Set and uphold the gold standard for code quality, performance, and engineering discipline across the team through your own code and feedback practices. </li><li>Mentor developers through educational and constructive reviews, helping them grow in technical depth and align with best practices. </li><li>Evaluate how code will perform under load and scale with usage over time; recommend architectural improvements based on these insights. </li><li>Drive the adoption of consistent coding standards, reusable patterns, and system-wide architectural guidelines. </li><li>Build and enhance backend systems and APIs, including core trading logic and market data pipelines. </li><li>Collaborate closely with engineering, product, compliance, and QA teams to deliver scalable and maintainable solutions. </li><li>Analyze system limitations and performance issues; lead efforts in profiling, capacity planning, and performance optimization. </li><li>Champion performance engineering, DevOps best practices, and continuous delivery workflows. </li><li>Identify opportunities to streamline and scale code review processes across distributed and asynchronous teams, including tooling and automation. </li><li>Stay current with emerging technologies and integrate them where beneficial to improve system resilience and team productivity. </li></ul>