Staff Software Engineer — Onchain Applied Cryptography & MPC

Gemini; New York (NY); On-site; USD 190,000 - 270,000; Full time

Benefits offered by this job

Competitive starting salary and equity

Discretionary annual bonus

Long-term equity grant

Comprehensive health plans

401K with company matching

Paid Parental Leave

Flexible time off

Job summary

Gemini in New York seeks a Staff Software Engineer (Applied Cryptography) to advance cryptographic software, scaling secure MPC, and hardware-backed security for digital assets. The role collaborates with Security Operations, Custody, Product Security, Wallet Engineering, and Platform Engineering to design scalable security solutions, leveraging TPMs, HSMs, and TEEs to protect keys and data.

Strong production experience in cryptography, architecture, and mentoring is essential, with a

Qualifications

• Experience in homomorphic encryption, secure multiparty computation, or zero-knowledge proofs.
• Strong encryption and key management knowledge.
• Background in cryptographic protocols or systems security.
• Proficient in Rust, Python, or C++ with shell scripting.
• Experience deploying in production environments.

Responsibilities

• Maintain and build the software foundation for MPC work.
• Develop signing, encryption, and attestation tooling; secure boot.
• Design and maintain security solutions for digital assets.
• Collaborate with security engineers to scale signing infrastructure.
• Create tools that integrate security into systems.
• Participate in disaster recovery to validate operations.

Skills

Cryptography

Secure multiparty computation

Zero knowledge proofs

Homomorphic encryption

Rust

Python

C++

Digital security

Tools

TPM

HSM

TEEs

Job description

Gemini in New York seeks a Staff Software Engineer (Applied Cryptography) to advance cryptographic software, scaling secure MPC, and hardware-backed security for digital assets. The role collaborates with Security Operations, Custody, Product Security, Wallet Engineering, and Platform Engineering to design scalable security solutions, leveraging TPMs, HSMs, and TEEs to protect keys and data.

Strong production experience in cryptography, architecture, and mentoring is essential, with a