Full Stack Engineer (x5)
14 days ago
New York
Job Description Full Stack Engineer (x5) Location: Onsite Flatiron (New York, NY) Position Type: Full-Time (Permanent) Work Policy: 100% Onsite Start Timeline: ASAP Reimbursed Relocation To NYC (If Applicable) Benefits: * Competitive Salary & Equity * Reimbursed Relocation To NYC (If Applicable) * Free Lunch and Dinner (In Person Only) * Paid Technology Equipment Set Up * Health, Dental, and Vision Insurance Fully Paid (50% Dependents Coverage) About This role is a backend-focused full stack engineering position at a fast-growing fintech startup building corporate cards, spend management software, and progressing toward an AI CFO platform. Engineers work directly with the founders to design, build, and scale features powering a mission-critical financial infrastructure. Why join * Direct mentorship from founders with proven track records of building and scaling companies * Full ownership of projects from concept to deployment * Join a lean, ambitious team in a high-velocity startup environment * Contribute to core infrastructure and product powering SMB financial operations Compensation * New Grad: $150,000 * 56 Years: $230,000 * Exceptional Candidates: Up to $290,000 Tech environment * Languages: JavaScript / TypeScript * Backend: Node.js * Database: SQL * Focus: Full stack development with strong backend emphasis, systems architecture, scalability, and security Engineering culture This startup maintains a high-intensity, in-person engineering environment. Engineers own projects end-to-end, work closely with the founders, and operate at startup speed. Expect some nights and weekends, 6070+ hour weeks, and rapid iteration cycles. Role summary We are hiring exceptional Full Stack Engineers with a backend focus to design, develop, and ship production-ready features. The role requires strong problem-solving ability, systems thinking, and comfort working long hours in an in-person, fast-paced environment. Responsibilities * Architect, develop, and deploy full stack solutions with emphasis on backend systems * Collaborate directly with founders to define and deliver product requirements * Own projects from 01, ensuring scalability, security, and performance * Improve system architecture and engineering processes across the team * Write clean, maintainable, and efficient code Must-have qualifications * 3-9 years of full stack or backend engineering experience (exceptional new grads considered) * Strong proficiency with JavaScript / TypeScript, Node.js, and SQL * Proven experience taking products from concept to launch (01 experience) * Exceptional problem-solving skills and architectural thinking * Ability to work 6070+ hours/week in-person in NYC * Highly ambitious with excellent communication skills Preferred qualifications * Experience in fast-paced startup environments * Background in fintech or payment systems * Strong systems design skills * Previous experience in small, high-caliber engineering teams Interview process * 15 min Co-Founder #1: Communication, ambition, intelligence * 15 min Co-Founder #2: Communication, ambition, intelligence * 1 hr Coding Test: Code quality, structure, framework knowledge * 1 hr Systems Design: Solve complex architectural case study