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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

Required Skills: • FinTech • Cards • Operations • Intelligence • Scalability • Ownership • Hiring • Salary • Compensation • Features • Architecture • Communication Skills • Insurance • Infrastructure • Node.js • TypeScript • Security • Records • Software • Design • Engineering • JavaScript • SQL • Communication • Management

Salary Package: $ 150,000.00 - 290,000.00 (US Dollar)