NinjaTrader
Financial Services
Sr.SoftwareEngineer,Backend-NTConnect
Neural analysis suggests this role is
optimal for Senior candidates.
“Sr. Software Engineer, Backend - NT Connect at NinjaTrader. Skills: Backend services development, API platform development (RESTful, WebSocket), Distributed systems architecture, Kubernetes/GCP deployment and management, JVM-based languages (Scala, Java, Kotlin), Observability tooling. Design, develop, and maintain high-quality backend services that power the NT Connect brokerage API platform. Architect and implement RESTful and WebSocket APIs for partner integrations”
What You'll Achieve.
direct impact on partner success, trader outcomes, and revenue growth; deliver high-quality, scalable solutions; meet partner requirements, compliance standards, and business goals; meaningfully improve personal and team productivity
Industry & Context.
problem-solving skills; ability to troubleshoot across the full stack
What They're Looking For.
Must Have
8+ years of software development experience with distributed, backend systems, preferably in a high-performance or near real-time environment, proficiency in one or more JVM-based languages (Scala, Java, or Kotlin), 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), understanding of security best practices for exposed APIs and backend services: authentication, authorization, data isolation, encryption, and audit logging, problem-solving skills with the ability to take full ownership of projects—from design through deployment, maintenance, and iteration, Excellent written and verbal communication, a collaborative team player who seeks feedback and drives continual improvement, Demonstrated use of AI coding agents and tools (e. g. , GitHub Copilot, Cursor, Claude Code, or equivalent) to meaningfully improve personal and team productivity — treating AI-assisted development as a standard part of the modern engineering workflow
Nice to Have
experience with reactive, message-driven frameworks, Familiarity with financial systems and trading concepts: orders, fills, margin, account lifecycle, and regulated workflows (KYC/AML, reporting), Experience with FIX protocol, market data feeds, or brokerage integration patterns (FCM, clearing, or embedded finance platforms), Background in multi-tenant SaaS platform architectures, partner onboarding, and API rate limiting strategies, Experience working in a regulated fintech, trading, or brokerage environment, Familiarity with Pub/Sub messaging systems (e. g. , GCP Pub/Sub) and event-driven architectures, Familiarity with Node. js, particularly for API integration or SDK-adjacent backend work
What You'll Do.
and maintain high-quality backend services that power the NT Connect brokerage API platform
Architect and implement RESTful and WebSocket APIs for partner integrations
Deploy and manage backend services in a Kubernetes/GCP environment
Implement robust monitoring
and alerting solutions
Uphold and elevate engineering quality through code reviews
and incident response
Drive architectural decisions and technical roadmap planning
Leverage AI coding agents and modern developer tooling to accelerate delivery
and raise the team’s engineering velocity
How You'll Work.
Team & Collaboration
Collaborate closely with Engineering, Product, QA, and cross-functional partners to deliver high-quality, scalable solutions; Collaborate with cross-functional teams and stakeholders to deliver end-to-end solutions; a collaborative team player who seeks feedback and drives continual improvement
Communication Scope
Excellent written and verbal communication
Process & Methodology
ability to take full ownership of projects—from design through deployment, maintenance, and iteration
Full Job Description
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. What you'll do: NinjaTrader is seeking a Sr. Software Engineer to join
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