ONLY candidates with USC or GC need to apply
About the Role:
One of our start-up clients is looking for a Senior Full-Stack Software Engineer with 5+ years of experience to join a small, high-velocity engineering team building the first marketing and engagement platform purpose-built for credit unions. You'll own major product and infrastructure initiatives across the entire stack, from React frontends to Node/Express backends on AWS, shipping features end-to-end with real production impact on 185+ financial institution customers. This is a hands-on IC role with meaningful architectural influence, direct founder access, and the autonomy to identify problems and deliver solutions. We need someone who moves fast, communicates well, and is genuinely enjoyable to work with in a tight-knit, in-office environment.
What will you be doing?
- Building across the full stack (React/TypeScript frontend, Express/Node backend, DynamoDB, OpenSearch) with a 70/30 max split either direction
- Owning features end-to-end from technical design through development, testing, deployment, and monitoring
- Contributing to architecture discussions, design reviews, and code reviews to strengthen technical decisions
- Collaborating directly with the CTO, CPO, and engineering team to scope features and balance business priorities with technical sustainability
Role requirements
Seniority
5+ years of experience in full-stack software engineering
Work experience
Early-stage startup experience (fast-paced team shipping full-stack features end-to-end)
Worked across both frontend and backend (70/30 split max either direction)
Experience in fintech, payments, or B2B SaaS platforms
Hard skills
Proficient in React and TypeScript with backend experience (Node/Express)
AWS infrastructure experience (DynamoDB, OpenSearch, or similar)
CI/CD, automated testing, and production deployment workflows
Soft skills
Engaging and personable communicator: passes the "enjoyable to talk to" bar on a screening call
Miscellaneous
Must be in NYC and work in-office 5 days/week
Salary
$170K - $210K
Equity
Competitive equity
On-site work policy
5 days in-office in Flatiron, New York City (with up to 10 WFH days per quarter)
Visa Sponsorship Details
Not open to any visas (e.g. US citizen, Green Card holders)
Full-time position
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