# Senior Backend Engineer

- Company: [Moonshot](<https://jobstar.asia/company/moonshot>)
- Location: New York, NY · USA
- Remote: Yes
- Team: Engineering
- Employment type: Full Time
- Posted: July 1, 2026

## Job description

**Moonshot** is 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 Opportunity

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.

### What We Look For in You

* 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**.

### Location

* NYC preferred (with periodic in-person sprints).
* Remote-friendly within the United States and Canada; travel ~1wk/quarter

### Compensation & Package

* 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.

## Apply

[Apply on Moonshot](<https://jobs.ashbyhq.com/moonshot/e1417b0c-b499-43a0-bfd9-88c6ecbbd1e9>)

Canonical job page: <https://jobstar.asia/job/senior-backend-engineer-moonshot-new-york-3e3fb7d4d2bae970>
