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Join Offchain Labs as a Senior Software Engineer to build cutting-edge blockchain scalability solutions. Work remotely on security-critical infrastructure and help shape the future of decentralized applications.
At Offchain, we aren’t just building products: we’re leading a movement. As pioneers in blockchain scalability and security, we're at the forefront of transforming how the world interacts with decentralized applications. We're laying the foundation that will define the next generation of digital commerce, governance, and human interaction. This involves tackling real-world challenges that come with scaling blockchain technology, without compromising on its core principles: decentralization, security and transparency. At the center of this vision is our people. Our team is made up of thinkers and doers that embrace new challenges and seek solutions that push existing boundaries. If you’re energized by solving unprecedented problems, and believe in the role that decentralized systems will play in creating a more equitable digital future, then we want to hear from you.
- Go backend services that broker wallet creation, authentication, and signing at scale.
- Key recovery and the committee trust model: distributed key generation and secret sharing that keep the service non-custodial, with recovery authority split across independent committees so no single party ever holds a user's key.
- Trusted Execution Environments: reconstructing and operating on key material under hardware isolation and remote attestation.
- Authentication and signing-provider integration: the user-facing auth methods that gate signing (passkeys / WebAuthn, OAuth, OTP, sessions, 2FA), and integrating with a third-party signing provider (authorization and policy flows, scoped credentials, quorum / consensus approvals).
- Security review and hardening: writing design docs and decision records, working directly with external security auditors, and turning a high review bar into shipped code.
- Production operations on Kubernetes: observability and alerting, secrets and certificate management, on-call, and the compliance controls the domain requires (sanctions screening, PII-safe handling).
- A strong backend engineer who has shipped and operated production services in Go (or an adjacent systems language and is eager to go deep in Go).
- Security-first by default: you reason about threat models, blast radius, and key custody as a habit, and you write code that holds up to security-critical review.
- Comfortable with applied-cryptography fundamentals (public-key crypto, signatures, key management). You do not need to be a cryptographer, but you can reason about it and learn fast.
- Solid on distributed systems and API design: idempotency, failure modes, and clean service boundaries.
- Operationally mature: Kubernetes, observability, and incident response are not foreign to you.
- Clear written communicator (design docs, decision records) who thrives in a collaborative, review-heavy culture.
- Remote-first global workforce + NY office.
- Annual company offsite + team onsites.
- Professional reimbursement program (facilitates industry conference attendance, certifications, and more).
- Medical, dental & vision coverage (US + some other countries).
- 401k retirement plan + company match (US only).
- Wellness stipend.
- Home office set up / ergonomic equipment program.