Senior C++ Engineer, Core Engineering Lead

Fionics

New York (NY)

On-site

USD 190,000 - 260,000

Full time

2 days ago

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Job summary

Fionics in New York, on-site, is seeking a Senior C++ Engineer to lead the core engineering group while remaining hands-on and deeply involved in code and architecture. The role emphasizes ownership of critical systems and performance optimization, working alongside top-tier teams with strong domain experience.

Crypto exposure is not required if the candidate meets the technical bar. The position offers substantial impact, real scope, and a long-term home for a senior engineer who wants to shape

Qualifications

7 to 12+ years in low-latency C++ from a top-tier firm.
Hands-on senior engineer who can lead a core engineering group
Deep systems and performance background
No crypto experience required if the technical bar is met

Responsibilities

Lead the core engineering group while staying hands-on. Real scope, real ownership.
Not a step away from the code. Drive critical system and performance initiatives as part of the core team.

Skills

Low-latency C++

Leadership

Systems & performance

Job description

Senior C++ Engineer, Core Engineering Lead

New York (on-site)

A crypto-native prop firm hiring a senior C++ engineer to lead its core engineering group. Hands-on and technical, not a step away from the code.

Why it's worth a look

You lead the core engineering group while staying hands-on. Real scope, real ownership.
Team out of Tower, Goldman and Citadel Securities with a CTO from Citadel Sec.
No regrettable turnover since inception. Good people join and stay.
Comp is not the constraint, and they will wait out a long non-compete.

What we're looking for