[Remote] Senior Backend Engineer
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