[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 Moonshot democratizes access to high-potential financial opportunities by providing a seamless, user-friendly platform where anyone can discover, evaluate, and engage with tokens. It was founded in 2024, and is headquartered in , with a workforce of 11-50 employees. Its website is https//moonshot.money/.