Hiring: Sr. Database Reliability Engineer II Company: NinjaTrader Location: Chicago, IL Job Posted Time: 2026-09-10 11:55:55 Employment Type: Remote Target Skills & Keywords : C#, Cloud Storage, GCP, Java, Kotlin, MySQL, PostgreSQL, Pub/Sub, Python, SQL, Scala About the job Experience: •8+ years of professional software engineering experience Required Skills: •This role is ideal for someone who has spent their career building production software and naturally became the database expert responsible for solving performance bottlenecks, designing scalable schemas, and improving application reliability. •Design and evolve MySQL schemas supporting high-volume transactional workloads •Define and drive improvements to NinjaTrader's data platform architecture, including online schema changes, zero/low-downtime database migrations, blue/green deployments, and scalability initiatives that support long-term platform growth. •Analyze and optimize SQL queries, indexes, and execution plans to improve application performance •Develop production-quality software that improves our persistence layer, developer tooling, and data platform capabilities •Design scalable data models that balance performance, maintainability, and long-term growth •Build reusable libraries, frameworks, and tooling that simplify data access and improve developer productivity across engineering teams •Lead database performance tuning initiatives across applications and services Qualifications: •Please be advised that the most accurate and up-to-date information about our open roles—including job descriptions, compensation, and benefits—can only be guaranteed on our official job board. For the latest listings and details, please visit: https://job-boards.greenhouse.io/ninjatrader. •JOIN US ON OUR MISSION TO BECOME THE #1 RETAIL TRADING PLATFORM IN THE WORLD •Our growth story is nothing short of exhilarating. Since 2003, NinjaTrader has been dedicated to understanding and supporting traders on their journey toward trading triumph. Through those efforts, our user base has grown to over 2 million users and we have become the number one rated futures brokerage worldwide. •But we're not stopping there. We're constantly evolving, pushing boundaries, and modernizing the futures industry. Our commitment to innovation means users will always have access to dynamic tools, real-time support, and a community of like-minded traders. •So, why work at NinjaTrader? Here, you're not just part of a team; you're part of a movement. We empower employees to reach new heights in their careers by providing a dynamic culture focused on social connection, professional development, and employee recognition initiatives. Sounds too good to be true? Take it from our employees. •Join us as we redefine what's possible in trading, advocate for our customers, and continue our journey toward becoming the world's top retail-focused trading platform in the world. Compensation: •$130,000 - $180,000 / year •Flexible work environment (work from home / hybrid options) •In addition, this position will also receive an annual target bonus of 10% Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!