Quant Developer / Engineer, Crypto

Fionics; New York (NY); On-site; USD 120,000 - 180,000; Full time

Job summary

Fionics is a crypto-native prop firm expanding its core engineering team in New York. The firm supports a distributed, high-performance trading operation with a handful of engineers now expanding to two to four new roles.

The team emphasizes ownership, shipping to production, and tackling genuinely hard technical problems in a fast-moving market. Engineers transition toward hybrid trader/developer roles as they grow.

Qualifications

• 2-4 years engineering experience required.
• Currently at a tier-1 crypto market maker, crypto prop, or systematic shop.
• Shipping to production and working on technically interesting projects.
• Strong track record through education or work experience.
• Proficient in C++, Java, C#, or Rust; Python not preferred.

Skills

2-4 years engineering experience

Shipping to production

Strong track record

Languages: C++

Languages: Java

Languages: C#

Languages: Rust

Tools

C++

Java

C#

Rust

Job description

A crypto-native prop firm hiring two to four engineers onto its core team. Six people currently run one of the largest DeFi trading operations in the world, so the leverage per person is unusual.

Why it's worth a look

• Pure individual contributor seats with a clear path to trader and dev hybrid roles. Every trader at the firm started as an engineer.
• Small team, real ownership. You ship to production and work on genuinely hard technical problems.
• Tripled in size in a few years, team out of Tower, Goldman and Citadel Securities, and no regrettable turnover since inception.
• Comp to compete with anyone.

What we're looking for

• 2 to 4 years of engineering experience
• Currently at a tier-1 crypto market maker, crypto prop, or systematic shop, though strong engineers from top tech firms are welcome if the bar is met
• Shipping to production, working on something technically interesting
• Strong track record through education or work
• Any language except Python. C++, Java, C#, Rust all welcome
• Non-compete of 6 months or less