Founding Full Stack Engineer

We re looking for a Founding Full Stack Engineer to build our lending platform end-to-end, from the borrower-facing web app through the Django API and the fintech integrations that move money and make loans work. This is a genuinely full-stack codebase, not frontend-with-a-BFF: most features touch both the app and the backend. You ll own problems from ticket to production, raise the engineering bar as the team grows, and work closely with experienced leaders, a cross-functional team, and our vendor partners.

The compensation for this role is pay + equity. Flexible New York City hybrid. Full time.

• Frontend
  :
  Next.js, React, Type Script, Tan Stack React Query, Zustand, React Hook Form + Zod, and a shared component library built on Radix UI + MUI.
• Schema-first API:
  Schema-first API:
  OpenAPI schema that generates a fully typed Type Script client - types flow from Django serialize rs to React components, so schema drift is caught at compile time, not in production.
• Infrastructure: AWS (Elastic Beanstalk and core services), Git Hub Actions CI/CD
• Fintech Integrations

• Full-stack feature delivery across the borrower app and the Django API - most features span both.
• Fintech integration work: new vendor APIs, reliable webhook handling, retry and reconciliation semantics, and payment and loan-servicing workflows.
• Infrastructure evolution - the AWS/Beanstalk setup is deliberately simple today and will need to grow with scale.
• Raising the engineering bar: testing strategy, observability, performance, and security in a regulated lending domain.

• Strong Type Script/React (Next.js App Router experience a plus) and strong Python/Django (including Django REST Framework) - this is a genuinely full-stack role.
• Comfortable with PostgreSQL data modeling, Celery/queue-based async patterns, and third-party API integration at production quality (idempotency, retries, webhooks).
• Working AWS knowledge (Beanstalk/EC2, RDS, SQS) - enough to own deploys and debug production.
• Strong familiarity with Git, CI/CD pipelines, and automated deployment.
• A testing habit - you write tests without being asked (Vitest / Testing Library, Playwright, pytest).
• Strong command of AI coding tools, with disciplined verification and data-privacy guardrails.
• Excellent documentation skills and a commitment to organized, understandable code that scales as the team grows.
• Care about correctness with money movement.
• Curiosity about fintech and empathy for users - you re passionate about building technology that solves real-world financial challenges.
• Founding-engineer temperament: owns problems end-to-end, pragmatic about scope, comfortable with ambiguity and vendor quirks; a self-starter who builds without constant oversight.
• Flexible New York City hybrid.
• Background check, in-person New York interview, and references required.

• Fintech or lending experience - a plus, not a requirement.
• Experience with schema-first / OpenAPI-driven development and typed API clients.
• Experience with payment processing, loan origination, or loan servicing systems.
• Zero-downtime migration discipline and on-call / runbook experience.
• CS degree or equivalent hands-on experience.