Web3 Jobs - Blockchain, Crypto Jobs (69 new in Sep 2025)
Moonshotis the “Robinhood for DeFi”—an iOS and Android app that lets anyone trade cryptocurrencies on-chain through a user-friendly interface. Since our launch in July 2024, we’ve attracted 2M+ users. Our. . .
Moonshotis the “Robinhood for DeFi”—an iOS and Android app that lets anyone trade cryptocurrencies on-chain through a user-friendly interface. Since our launch in July 2024, we’ve attracted 2M+ users. Our mission:Make moonshots possible for everyone. Our vision:Make a world where life-changing financial outcomes are within everyone's reach. Everyone on our team is both a decision-maker and an implementer—united by a sense of urgency and driven by the conviction that our work can transform global finance. If you thrive on curiosity, welcome tough challenges, and aspire to leave a meaningful mark on the world, Moonshot is the place for you. You’ll run toward the hardest problems alongside high-caliber teammates who consistently push each other to excel and who share your dedication to shaping the future of decentralized finance. This role is full-time, preferably located in NYC. Open to remote for the right candidate. The OpportunityAs a Staff Backend & Platform Engineer at Moonshot, you’ll own some of the most critical systems in our stack: identity and access, funds movement and ledgering, and the blockchain infrastructure that powers our on-chain trading. This role is similar to staff engineers at leading crypto wallets and exchanges who own authentication stacks, key management, and high-scale financial backends. You’ll design, build, and operate systems that must be both highly reliable and extremely secure, enabling product teams to move quickly on a solid foundation. What You’ll DoDesign, build, and operateIdentity & Access Managementservices:Authentication flows, sessions, device trust. Authorization and entitlements (roles, permissions, policies). Security controls such as MFA and key management (working with security teams). Ownfinancial operations systems:Transfers and payments orchestration. Ledgering and reconciliation flows. Limits, risk controls, and transactional correctness. Build and maintainblockchain infrastructure:Node and RPC management. Transaction submission, monitoring, and retry logic. Indexing and streaming of on-chain data into internal services and data stores. Define and upholdreliability and observability standards:SLOs and error budgets for core services. Dashboards, alerts, runbooks, and incident management practices. Leadlarge, cross-functional technical projectsfrom design through rollout, collaborating with Product, Security, and Ops. Mentor and guide other engineers, contributing toengineering standards, design reviews, and documentation. Stay close toindustry best practicesin auth, key management, and secure infrastructure for crypto and trading. What We Look For in You5–12+ years of backend or product or platform engineering, includingexperience with high-scale, high-availability systemsin fintech, crypto, or similar domains. Deep expertise in at least one of:Identity & access / security engineeringFinancial systems / ledgering / paymentsBlockchain infrastructure / on-chain dataStrong experience designing and operatingdistributed systems(datastores, queues, streaming, background workers). Track record drivingarchitecture decisionsand seeing them through implementation and adoption. Strong operational mindset:monitoring, on-call, incident response, and postmortems. Excellent collaboration skills, especially with Product, Security, and Ops. Nice to HavesExperience with Flutter, React Native, React, Headless CRMsExperience with Go, Rust, SolanaExperience with Google Cloud or Amazon Web ServicesExperience withcrypto wallets, exchanges, or onchain protocols including DeFi, L2s, ZKExposure todata warehousing and analyticsfor financial reporting. Contributions toopen-source projects. LocationNYC preferred (with periodic in-person sprints). Remote-friendly within the United States and Canada; travel ~1wk/quarterCompensation & PackageCompetitive salary and meaningful equity. 5% 401(k) match. Health benefits with employer-covered premiums, plus life insurance coverage. One-time office setup stipend. Flexible PTO. Please let Moonshot know you found this job on Remote3. It helps us get more jobs on our site. Thanks & All the best!Important:For your security, please only use well-known video meeting platforms like Google Meet or Zoom. Never download unfamiliar software or share sensitive information like wallet addresses or ENS names with recruiters. Doing so might compromise your crypto wallet. If you encounter anything suspicious, please report it immediately to us onTwitter. Posted on: June 21, 2026