Remote Senior Backend Engineer — Blockchain Security

Pantera Capital; United States; On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Remote-first global workforce + NY off

Annual company offsite + team onsites

Professional reimbursement program

Medical, dental & vision coverage (US)

401k retirement plan + company match (

Wellness stipend

Home office set up / ergonomic program

Job summary

Offchain is building the security-critical infrastructure behind ZeroDev's embedded wallets, providing non-custodial key management and programmable signing. You will own backend services and the trust-model machinery on a small, high-ownership team.

You’ll implement Go backends, key recovery, TEEs, and integration with third-party signing providers, while collaborating on security reviews and Kubernetes production operations.

Qualifications

• Backend engineer with production experience in Go and security-focused mindset.
• Ability to reason about threat models and key custody in distributed systems.
• Experience with APIs, authentication, and signing workflows.

Responsibilities

• Go backend services that broker wallet creation, authentication, and signing at scale.
• Key recovery and the committee trust model with distributed key generation and secret sharing.
• Trusted Execution Environments: working with hardware isolation and attestation.
• Authentication and signing-provider integration with passkeys/WebAuthn, OAuth, and policies.
• Security review and hardening in collaboration with external auditors.
• Production operations on Kubernetes including observability and secrets management.

Skills

Go programming

Security-focused design

Distributed systems

API design

Cryptography fundamentals

Kubernetes

Observability

Written communication

Tools

Kubernetes

Job description

Offchain is building the security-critical infrastructure behind ZeroDev's embedded wallets, providing non-custodial key management and programmable signing. You will own backend services and the trust-model machinery on a small, high-ownership team.

You’ll implement Go backends, key recovery, TEEs, and integration with third-party signing providers, while collaborating on security reviews and Kubernetes production operations.