Staff Fullstack Engineer
Core
Own architecture and technical roadmap for identity, authentication, authorization, permissions, account models, partner OAuth, and customer-facing Trading API applications.
Role type
Staff Fullstack Engineer (Trading & Identity)
Builds
Customer-facing trading applications with real-time market data, order entry, and positions views; dedicated application backend replacing legacy monoliths.
Domain
Financial Services / Trading & Identity
Deliverable
production ML models | product features
Required skills
Go, TypeScript, React, OAuth 2.0, OpenID Connect, Kubernetes, PostgreSQL, REST, gRPC, WebSockets, MFA, passkeys, threat modeling, incident prevention
Preferred skills
Trading or brokerage applications, identity platforms, WebAuthn, delegated third-party access, API platforms, agentic AI integrations, MCP servers, FIX, institutional trading workflows, production migrations from legacy monoliths
Technologies
Go, TypeScript, React, Kubernetes, PostgreSQL, REST, gRPC, WebSockets
Responsibilities
Design explicit, auditable access models for multi-user accounts and delegated API access; Lead delivery of customer-facing trading applications; Drive migration from legacy monolith endpoints to a dedicated application backend; Set standards for session handling, MFA, OAuth flows, rate limiting, and observability; Partner with Product, Design, Compliance, Security, and Operations teams; Lead design reviews, mentor engineers, and drive durable incident prevention
Seniority
Staff, hands-on IC with significant mentorship and architectural leadership