Sr. Database Reliability Engineer II Chicago or Remote

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JOIN US ON OUR MISSION TO BECOME THE #1 RETAIL TRADING PLATFORM IN THE WORLD

Welcome to the dynamic world of Ninja Trader! As an industry-leading trading platform and futures broker, we’re empowering traders to take control of their financial destiny. How do we do it? We provide cutting‑edge products and services that enhance the trading journey. Whether a seasoned pro or just starting out, Ninja Trader equips traders with award‑winning software and brokerage services to navigate the world’s leading financial markets with confidence.

Our growth story is nothing short of exhilarating. Since 2003, Ninja Trader 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 Ninja Trader? 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.

As a Sr. Database Reliability Engineer II, you will help architect, evolve, and optimize the data platform powering Ninja Trader’s core trading applications. This is not a traditional Database Administrator (DBA) role. We’re looking for a software engineer with deep MySQL/Postgres expertise who enjoys solving complex data challenges while remaining actively involved in software development.

You’ll partner closely with software engineers, architects, and platform teams to improve database performance, evolve our data architecture, build developer tooling, and establish engineering best practices that enable our platform to continue scaling. You’ll play a key role in shaping the future direction of our data platform by driving initiatives that improve scalability, resiliency, developer productivity, and operational excellence.

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.

In this role you will:

• Design and evolve MySQL schemas supporting high-volume transactional workloads
• Define and drive improvements to Ninja Trader’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…