Senior Software Engineer

Company Overview

Onyx Odds is a social sports prediction platform poised to shake up the world of sports. Onyx has seen immense growth in user activity and positive feedback resulting in an expansion of the team.

Onyx is a venture‑backed startup, having raised millions in VC funding. The founder is a Harvard grad with a background at Jane Street.

Onyx Odds is based in New York City with its offices in downtown Manhattan.

We’re looking to add a key engineering hire to our very lean team. We are looking for someone who’s excited to work directly with the founding team to build, own, and scale the core product. As a Software Engineer, you’ll have end‑to‑end responsibility across the stack, significant product input, and the opportunity to shape both the technical architecture and company from day one.

• Own projects from inception to production, including architecture decisions, implementation, and observability
• Collaborate directly with founders on product direction, roadmap, and prioritization

• Computer Science degree from a top university
• Strong full‑stack skills:
  Type Script, React, SQL
• Experience with mobile development (React Native)
• 3–6+ years of experience as a software engineer
• A background developing low‑latency systems or performance‑sensitive applications is a plus
• Thrive in startup environments — you’re entrepreneurial, resourceful, and get energy from building things that users love
• A background or interest in sports is a plus
• Visa Status:
  We are unable to offer employment visa sponsorship for this position

• Meaningful equity
• 100% health, dental, vision premiums covered
• HSA and commuter benefits

We are based in FiDi in New York City. The team member can work in‑person or hybrid.

Please note:

We do not offer employment visa sponsorship for this position.