Staff Fullstack Engineer

Description: Staff-level individual-contributor role at a Series A/B AI-native fintech SaaS company. Build modern Financial Planning and Analysis (FP&A) software for finance teams with ownership and impact. Requirements: 8+ years of software development experience, with 3+ years in system design or architecture. Proficient in TypeScript/JavaScript (frontend) and Node.js (backend), with React experience. Experience with Google Cloud Platform (GCP) and BigQuery for scalable services. Solid experience with MongoDB schema modeling and optimization. Strong testing discipline across unit, integration, and end-to-end tests. Demonstrated technical leadership and mentoring abilities. Proven collaboration with executives and cross-functional teams. Clear track record of individual-contributor impact. Background in reputable engineering or product-focused organizations is a plus. Benefits: Base salary range: $185,000 to $240,000 USD annually. Visa sponsorship available. Fully remote position for candidates in the United States or Canada.