# Fermah - Proof Systems Integration Engineer at deCircle

> Remote · United States · Unspecified · Software engineering · open. Source: https://alderhq.app/jobs/recruitee%3Adecircletalentpartner%3A1968294 (read 2026-11-08).

## Facts (observed)

- Company: [deCircle](https://alderhq.app/companies/decircle)
- Location text: New York, New York, United States
- Where it can be done from (inferred): Remote · United States (evidence: "Location: New York, New York, United States")
- Posted: 2025-01-02 (675 days ago)
- First seen by alder: 2026-11-04 · last verified: 2026-11-04
- Reposted: 0 times · edited: 0 times
- Apply on the employer's site: https://talent.makerdao.network/o/proof-systems-integration-engineer
- Skills listed (inferred): Rust

## Pay and sponsorship

- Posted pay: not posted
- Market band for similar posted roles (New York, n 621): p25 $145k, median $180k, p75 $225k

## Description (the employer's text)

We are seeking a dedicated Proof Systems Integration Engineer to work on cutting-edge ZK-rollup, zkVM, and bridge technologies that we believe are crucial for advancing ZK adoption. The engineering team at Fermah operates with shared accountability and without traditional hierarchy.As an early team member, you will help define not only the technical direction of our integrations but also the values and culture of our company. You will have the freedom and autonomy to influence the trajectory of our platform while bringing your ideas and technical expertise to life. You’ll be tasked with complex and rewarding challenges.This is an exceptional opportunity for you to take ownership of key integrations, drive tangible results, and gain invaluable experience working in one of the most exciting sectors within crypto.

### Responsibilities

Integrating proof systems (zkVMs, Rollups, Bridges, etc.) in Rust

Enhancing existing integrations (e.g., adding CUDA support, multi-machine proof generation orchestration)

Writing clean, efficient, and testable Rust code following best practices

### Requirements

1-2 years of experience in Rust

Familiarity with different proof systems, zkVMs, ZK-rollups, bridges, etc

Strong communication and collaboration skills with an ownership mindset

Relevant open-source contributions in the field are a huge plus

### Benefits

Competitive salary and equity

Take-what-you-need vacation

Opportunity to work with a driven, talented, dedicated team that values collaboration, innovation, and making a strong positive impact

Culture built upon mutual respect, empathy, excellence and delivery

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Data: alder (https://alderhq.app). Cite https://alderhq.app/jobs/recruitee%3Adecircletalentpartner%3A1968294 and the date you read it. Observed facts come from the employer's own listing; location reach, level, family and skills are inferences.