Note: The job is a remote job and is open to candidates in USA. Moonshot is the “Robinhood for DeFi”—an iOS and Android app that lets anyone trade cryptocurrencies on-chain through a user-friendly interface. As a Backend Engineer, you will own critical systems such as identity and access management, financial operations, and blockchain infrastructure, ensuring high reliability and security for our trading platform.

Responsibilities

• Design, build, and operate Identity & Access Management services:
• Authentication flows, sessions, device trust
• Authorization and entitlements (roles, permissions, policies)
• Security controls such as MFA and key management (working with security teams)
• Own financial operations systems:
• Transfers and payments orchestration
• Ledgering and reconciliation flows
• Limits, risk controls, and transactional correctness
• Build and maintain blockchain 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 uphold reliability and observability standards:
• SLOs and error budgets for core services
• Dashboards, alerts, runbooks, and incident management practices
• Lead large, cross-functional technical projects from design through rollout, collaborating with Product, Security, and Ops
• Mentor and guide other engineers, contributing to engineering standards, design reviews, and documentation
• Stay close to industry best practices in auth, key management, and secure infrastructure for crypto and trading

Skills

• 5–12+ years of backend or product or platform engineering, including experience with high-scale, high-availability systems in fintech, crypto, or similar domains
• Deep expertise in at least one of: Identity & access / security engineering, Financial systems / ledgering / payments, Blockchain infrastructure / on-chain data
• Strong experience designing and operating distributed systems (datastores, queues, streaming, background workers)
• Track record driving architecture decisions and 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
• Experience with Flutter, React Native, React, Headless CRMs
• Experience with Go, Rust, Solana
• Experience with Google Cloud or Amazon Web Services
• Experience with crypto wallets, exchanges, or onchain protocols including DeFi, L2s, ZK
• Exposure to data warehousing and analytics for financial reporting
• Contributions to open-source projects

Benefits

• Competitive 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.

Company Overview