Sr. Software Engineer II, Backend - NT Connect

Responsibilities

• In this role you will:
• Design, develop, and maintain high-quality backend services that power the NT Connect brokerage API platform, ensuring scalability, reliability, and low-latency performance
• Architect and implement RESTful and WebSocket APIs for partner integrations, including introducing brokers, fintech partners, and third-party trading platforms
• Deploy and manage backend services in a Kubernetes/GCP environment, with a focus on availability, resilience, and observability
• Implement robust monitoring, logging, and alerting solutions using industry-standard observability tooling (e.g., OpenTelemetry) to track and analyze system performance in real time
• Collaborate with cross-functional teams and stakeholders to deliver end-to-end solutions that meet partner requirements, compliance standards, and business goals
• Uphold and elevate engineering quality through code reviews, test coverage, CI/CD pipelines, release readiness, and incident response
• Drive architectural decisions and technical roadmap planning, helping shape the evolution of the NT Connect platform
• Leverage AI coding agents (e.g., GitHub Copilot, Cursor, Claude Code) and modern developer tooling to accelerate delivery, improve code quality, and raise the team's engineering velocity

Requirements

• Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field (or equivalent practical experience)
• 8+ years of software development experience with distributed, backend systems, preferably in a high-performance or near real-time environment
• Strong proficiency in one or more JVM-based languages (Scala, Java, or Kotlin); experience with reactive, message-driven frameworks is highly valued
• Proven experience designing and building RESTful APIs and WebSocket services for external partners or B2B platforms
• Experience with Kubernetes and cloud infrastructure (preferably GCP), with a focus on scalability and high availability
• Deep understanding of modern distributed systems and ability to troubleshoot across the full stack (HTTP/HTTPS, WebSockets, TLS, TCP/IP, DNS)
• Strong understanding of security best practices for exposed APIs and back

Additional Information

Disclaimer: 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 Welcome to the dynamic world of NinjaTrader! 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, NinjaTrader 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, 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.

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