Senior Engineer

Koscom Cable Inc
New York, NY

We are building an encrypted blockchain. Were looking for a senior engineer to join us in New York City.

Youll be joining a small, fast-moving team of seven engineers who combine deep expertise in cryptography, compilers, and distributed systems. Our team includes industry veterans from titans like Wintermute and standout talent from institutions like Stanford.

Were backed by a16z and Polychain. They capitalized us with a few years of runway.

Hard Requirements

  • Experience in either Rust, C, or C++
  • 2+ years of software engineering experience; 4+ preferred
  • Understands the commitment required to make a startup succeed
  • Strong communication skills
  • You work independently to bring hard tasks to completion
  • You do not need to be crypto native
  • Located in NYC or willing to relocate (this is not a remote position!)

Preferred Qualifications

  • Worked at a startup or on a small team before
  • Experience with Ethereum ecosystem, especially Solidity, reth & the EVM
  • Bonus points if you have experience with trusted execution environments, yocto or bitbake

 Compensation & Package

What We Offer

  • Competitive salary and a generous equity package
  • Significant leadership opportunities & decision-making responsibilities
  • Opportunity to work on cutting-edge, challenging engineering problems
  • Vibrant office environment in Union Square
  • Daily lunch & dinner on us, along with a kitchen stocked with snacks and drinks of your choice
  • Overpowered medical, dental, vision plans

There is also a $10k relocation package available.

 Interview Process

Hiring Manager Interview

1. Initial. We'll ask about what you want out of this stage of your career, answer any high priority questions about us, and go over expectations for the rest of the interview process.

 

Technical Interview

2. Technical 1. You'll implement a basic algorithm in our Solidity over a 1hr call. Important: come in with sforge installed in your local machine.

 

Behavioural Interview

3. Non-technical. We'll have a 45m, in-depth conversation about your background.

 

Take Home Test

4. Technical 2. You'll receive a take-home test 48 hours before your interview slot. You'll get on another 1hr call to talk through the test.

 

Final Interview

5. Technical Onsite. We'll fly you out to NYC for a day. You'll do a final round interview. This is also a great opportunity to meet the team, and go for dinner / drinks after work.

Location

New York, United States (Office)

Posted 2025-07-30

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