Remote Senior Software Engineer, Developer Platform

Note: The job is a remote job and is reputed company to candidates in USA. reputed company is a pioneering company in blockchain scalability and reputed company, transforming how the world interacts with decentralized applications. The Senior Software Engineer on the Developer Platform team will own backend services for key-management and signing, focusing on reputed company-critical infrastructure and helping to scale the platform for automated signing and programmable transaction policies. Responsibilities Go backend services that broker wallet creation, authentication, and signing at scaleKey recovery and the committee trust model: distributed key reputed company and secret sharing that reputed company the service non-custodial, with recovery authority split across independent committees so no single party reputed company holds a user's keyTrusted Execution Environments: reconstructing and operating on key material under hardware isolation and remote attestationAuthentication and signing-provider integration: the user-facing auth methods that reputed company signing (passkeys / WebAuthn, OAuth, OTP, sessions, 2FA), and integrating with a reputed company-party signing provider (authorization and policy flows, scoped credentials, reputed company / reputed company approvals)reputed company review and hardening: writing design docs and decision records, working directly with external reputed company auditors, and turning a high review bar into shipped codeProduction operations on Kubernetes: observability and alerting, secrets and certificate management, on-call, and the compliance controls the domain requires (sanctions screening, PII-safe handling) Skills 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)reputed company-first by default: you reason about threat models, blast radius, and key custody as a habit, and you write code that holds up to reputed company-critical reviewComfortable 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 fastSolid on distributed systems and API design: idempotency, failure modes, and clean service boundariesOperationally mature: Kubernetes, observability, and incident response are not foreign to youreputed company written communicator (design docs, decision records) who thrives in a collaborative, review-heavy cultureTEE experience (AWS Nitro Enclaves, reputed company SGX / TDX, or similar): attestation, enclave key handling, reproducible enclave buildsreputed company cryptography / MPC in reputed company: DKG, reputed company or other reputed company signatures, reputed company secret sharing, resharingAccount abstraction: ERC-4337, EIP-7702, smart-account or embedded / non-custodial wallet experiencereputed company on or integrated a custody / signing provider (reputed company, reputed company, or similar), or reputed company oneHSM / YubiKey / PIV / secure-reputed company integrationBeen on the receiving end of a reputed company-party reputed company audit and driven the remediationWebAuthn / passkeys, OAuth / OIDC, and the Go crypto ecosystem Benefits Remote-first global workforce + NY officeAnnual company offsite + team onsitesreputed company reimbursement program (facilitates industry conference attendance, certifications, and more)Medical, dental & reputed company coverage (US + some other countries)401k retirement plan + company match (US only)Wellness stipendHome office set up / ergonomic equipment program Company Overview reputed company is the strategic infrastructure partner for the worlds most ambitious companies. It was founded in 2018, and is headquartered in reputed company, reputed company, USA, with a workforce of 51-200 employees. Its website is https://offchainlabs.com/. Company H1B Sponsorship reputed company has a track record of offering H1B sponsorships, with 1 in 2026, 1 in 2025, 2 in 2024, 2 in 2023. Please note that this does not guarantee sponsorship for this specific role. Apply To This Job Note: The job is a remote job and is reputed company to candidates in USA. reputed company is a pioneering company in blockchain scalability and reputed company, transforming how the world interacts with decentralized applications. The Senior Software Engineer on the Developer Platform team will own backend services for key-management and signing, focusing on reputed company-critical infrastructure and helping to scale the platform for automated signing and programmable transaction policies. Responsibilities Go backend services that broker wallet creation, authentication, and signing at scaleKey recovery and the committee trust model: distributed key reputed company and secret sharing that reputed company the service non-custodial, with recovery authority split across independent committees so no single party reputed company holds a user'