Staff Software Engineer, FCM

Serve as technical domain owner for NinjaTrader's Transaction Ledger and Treasury systems within its FCM platform, owning financial correctness, reconciliation integrity, system-of-record architecture, cloud-native modernization, and responsible AI-assisted engineering practices.

Responsibilities

• Define and own the foundational GCP/Kubernetes architecture for the cloud-native FCM platform.
• Architect high-throughput trade systems with deterministic behavior under concurrency, partial failure, and asynchronous clearing.
• Lead code reviews, architecture sessions, pairing, and technical direction for the FCM engineering team.
• Establish API, testing, observability, SLI/SLO, CI/CD, and infrastructure-as-code standards.
• Define engineering excellence standards for regulated financial systems.
• Champion responsible AI-assisted coding, testing, and code review workflows.
• Design compliance-critical systems with audit trails, segregation controls, and compliance checkpoints.
• Govern ledger architecture, data models, fund movement APIs, reconciliation workflows, and cross-service balances.
• Represent the platform in cross-functional architecture forums.
• Own complex technical initiatives from problem framing through operational maturity.

Requirements

• 8–12+ years of progressive software engineering experience with Staff-level impact.
• Expertise designing and operating large-scale distributed cloud systems.
• Experience with Kubernetes, event-driven architectures, and Terraform or similar infrastructure-as-code tools.
• Strong proficiency in Python, C++, Go, or similar backend languages.
• Experience with AI-assisted development, static analysis, and automated test synthesis.
• Experience in financial services, capital markets, or brokerage technology, including trade lifecycle, clearing, and settlement.
• Track record as a technical authority and mentor.
• Experience with financial correctness, reconciliation, segregation of funds, and audit integrity constraints.
• Excellent communication skills with technical and non-technical stakeholders.
• End-to-end ownership of initiatives from design through deployment and operational maturity.

Benefits

• 401K plan with up to 3.5% company match
• Annual paid time off accruing at 23 days per year plus seven paid holidays
• 20 additional flex remote days annually
• 5 company-wide office-optional weeks tied to major holidays
• 1 service day annually
• Paid parental bonding leave
• Health, vision, and dental coverage
• Life and disability insurance covered 100% by the company