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Crossing Hurdles

Senior Full-Stack / Backend Engineer

Crossing Hurdles, New York, New York, us, 10261

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Overview Crossing Hurdles is partnering with a fast-growing AI-powered compliance & payroll automation platform used by rapidly scaling businesses across the US. The product automates payroll, tax registrations, filings, and multi-state compliance using intelligent agents, enabling teams to handle complex back-office workflows instantly and accurately. Operating in a high-scale fintech environment, the company is doubling its engineering team to support 10x product growth.

Compensation:

$140k–$230k base + equity

Location:

On-site, New York (Flatiron)

YOE:

1–6 years building backend-heavy, high-throughput transactional products (fintech/payments preferred)

About the role

Build highly reliable systems that process

billions of dollars , supporting payroll, compliance, and money-movement workflows.

Design, scale, and harden backend services and APIs across TypeScript/Node, AWS, and serverless environments.

Architect fault-tolerant infrastructure with a heavy focus on correctness, speed, and security.

Collaborate directly with the CTO and founding team on product architecture and tech-stack redesign.

Own end-to-end features across backend and product surfaces, shipping fast in an early-stage environment.

Work in-office with a tight, execution-focused engineering culture.

Requirements

1–6 years engineering experience with strong backend fundamentals (TypeScript/Node, distributed systems, APIs).

Proven ability to build production systems handling payments, transactions, or other high-volume data flows.

Solid experience with relational databases, data modeling, and performance optimization.

Hands-on exposure to cloud infrastructure (AWS, serverless, CI/CD).

Startup-ready: thrives with ownership, speed, and minimal hand-holding.

Clear communicator who can articulate trade-offs, architecture decisions, and product impact.

Why you should consider

Work on mission-critical systems where correctness and performance directly impact real businesses.

Join an early engineering team with high ownership, direct access to founders, and meaningful equity upside.

Solve complex problems in fintech, compliance automation, taxation, and global money movement.

Build for scale—10x growth expected in the next year.

In-office culture with a driven team known for craftsmanship, detail orientation, and strong execution.

Referrals increase your chances of interviewing at Crossing Hurdles.

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