Senior Software Engineer

Senior Software Engineer

Location:
NYC (Hybrid) or Remote (U.S. Only)

We’re hiring a Senior Software Engineer to join a hypergrowth MIT spinout redefining commerce infrastructure.

This company operates the largest data-driven, three-sided marketplace. In 2025, the company surpassed
$100M+ in revenue
, raised
$140M+ Series B
, reached a
$1.5B valuation
, and now drives
$1B+ in annual platform sales
— while maintaining
profitability
and
200% YoY growth
.

This is a rare opportunity to join a lean, high-caliber engineering team building systems that operate at massive scale and directly impact revenue.

What You’ll Do:

As a Senior Software Engineer, you’ll work directly with the CEO and senior/staff-level engineers on true
0→1 product launches
and core backend infrastructure.

• Own projects end-to-end — from architecture through production deployment
• Build and scale APIs using Node.js
• Develop high-performance frontends with React and Redux
• Design data pipelines and internal tooling
• Deploy production systems using containers and modern cloud infrastructure
• Ship products used by a real, revenue-generating customer base

Bonus Points:

• Experience in fast-paced startups or product-driven environments
• Worked on consumer-facing applications

Requirements:

• 5+ years of professional software engineering experience
• Strong proficiency in JavaScript (Node.js + React)
• Experience building and shipping production systems at scale
• Ability to operate autonomously in fast-paced, high-growth environments
• Bachelor’s degree in Computer Science, Engineering, or related field

Must be based in the U.S.

U.S. Citizen or Green Card Holder (no visa sponsorship available)