Sr. Software Engineer II, Fullstack - NT Connect

Please visit our official job board for accurate and up-to-date information about open roles, compensation, and benefits. For the latest listings and details, visit (Use the "Apply for this Job" box below)..

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. 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.

Ninja Trader is building NT Connect — our API‑based brokerage integration layer that powers connections with introducing brokers, fintech partners, and third‑party platforms. We’re looking for a Sr. Fullstack Engineer to join the NT Connect team and help us design and build the services, APIs, and developer experience that make our platform a joy to integrate with.

You’ll work across the entire stack — backend services, API architecture, web tooling, and partner integration workflows — to create a scalable, secure, high‑throughput platform.

• Contribute to the development, optimization, and operational health of NT Connect’s web‑based platform, building new features and maintaining existing ones across the full stack
• Design and implement scalable, efficient backend services and APIs using Node.js and Type Script, deployed on cloud‑based infrastructure (e.g., Google Cloud Platform)
• Collaborate closely with UX/UI designers to translate design prototypes into high‑quality, scalable frontend code that adheres to Ninja Trader’s design system and branding guidelines
• Ensure seamless integration of frontend components with backend systems, including account management tools, partner onboarding flows, and real‑time market data feeds
• Develop and maintain real‑time performance monitoring and logging solutions to ensure the platform remains responsive, observable, and production‑ready
• Collaborate with other engineering teams, QA, and Product Managers to deliver end‑to‑end partner solutions that meet reliability, compliance, and usability standards
• Leverage AI coding agents (e.g., Git Hub Copilot, Cursor, Claude Code) and modern developer tooling to accelerate delivery, improve code quality, and raise the team’s engineering velocity

• Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related field (or equivalent practical experience)
• 8+ years of professional software development experience, with strong depth across both frontend and backend systems
• Strong backend engineering skills with Node.js and Type Script, including building production‑grade APIs, authentication flows, and API versioning strategies
• Proven experience designing RESTful and Web Socket APIs for external partners or B2B platforms
• Strong frontend engineering skills with a modern framework (React preferred); ability to deliver complex, data‑driven UIs with high attention to design fidelity
• Hands‑on experience with cloud‑native environments:
  Docker, Kubernetes, and GCP
• Strong SQL and database knowledge, including schema design,…