Hiring: Sr. Software Engineer II, Platform/API Company: NinjaTrader Location: Chicago, IL Job Posted Time: 2026-09-11 11:55:56 Employment Type: Remote Target Skills & Keywords : Derivatives, Docker, Event-Driven, GCP, Kafka, Kubernetes, Node.js, Pub/Sub, SQL, TypeScript About the job Experience: •6+ years of professional software development experience building and operating backend services in production Required Skills: •NinjaTrader is investing in the platform that takes a prospective trader from initial sign-up to funded and trading, on a modern Node.js and TypeScript service architecture. We're hiring a Sr. Software Engineer II to own the service layer it runs on. •Design, develop, and maintain Node.js and TypeScript services that orchestrate account creation, identity verification, agreement handling, and funding hand-off •Build the event-driven and asynchronous processing that moves applicant and verification data between internal systems and outside providers, using message queues, pub/sub, and streaming pipelines •Own correctness in long-running, multi-step flows: idempotency, retry and resumption semantics, deduplication, and reconciliation for steps that cannot simply be replayed •Design and evolve the background task runners and job orchestration that drive downstream account creation and decisioning •Build the operational tooling the squad needs when an application stalls mid-flow: inspection of in-flight state, targeted replay, and safe requeue •Define service-level expectations for the flows you own, along with the monitoring and alerting that surface provider failures and applicant drop-off before a customer reports them •Design and implement scalable, resilient service architecture, using cloud-based infrastructure such as Google Cloud Platform and Kubernetes Qualifications: •Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field (or equivalent practical experience) Compensation: •$140,000 - $190,000 / 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!