> Markdown version of [/jobs/ext/2722818-backend-engineer](https://www.wearedevelopers.com/jobs/ext/2722818-backend-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Backend Engineer - **Company:** MOONSHOT INC. - **Location:** New York, NY, United States (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Flutter, Amazon Web Services, User Authentication, Data Stores, Data Warehousing, Distributed Systems, Identity and Access Management, Key Management, Node.Js, Blockchain, Runbook, Data Streaming, Google Cloud, ReactJS, Indexer, Backend, React Native - **Published:** September 4, 2026 - **Apply:** https://startup.jobs/senior-backend-engineer-moonshot-money-8667334 ## About the Role * 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. Nice to Haves * 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. ## Description As a Backend 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 Do * 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. ## Related Videos - [Watch Tests Go Brrrr! : Getting Started with Cypress in ReactJS](https://www.wearedevelopers.com/videos/282-watch-tests-go-brrrr-getting-started-with-cypress-in-reactjs) - [Optimizing Discovery: PostgreSQL's Role in Transforming GetYourGuide's Search](https://www.wearedevelopers.com/videos/1647-optimizing-discovery-postgresql-s-role-in-transforming-getyourguide-s-search) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Intro to Flutter Development](https://www.wearedevelopers.com/videos/170-intro-to-flutter-development) - [Meet Your New BFF: Backend to Frontend without the Duct Tape](https://www.wearedevelopers.com/videos/682-meet-your-new-bff-backend-to-frontend-without-the-duct-tape) - [Dynamic Entities in .NET: Building Low-Code Systems on Top of Entity Framework Core](https://www.wearedevelopers.com/videos/100218-dynamic-entities-in-net-building-low-code-systems-on-top-of-entity-framework-core) ## Related Articles - [Basic And Advanced Networking in Dart and Flutter](https://www.wearedevelopers.com/magazine/112-basic-and-advanced-networking-in-dart-and-flutter) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Flutter Developer Salary [2023]](https://www.wearedevelopers.com/magazine/199-flutter-developer-salary-2023) - [What’s the Difference Between Frontend and Backend Development?](https://www.wearedevelopers.com/magazine/240-what-s-the-difference-between-frontend-and-backend-development) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers)