Senior Backend Engineer, DeFi & Blockchain Systems

Moonshot; United States; Hybrid; USD 140,000 - 230,000; Full time

Benefits offered by this job

Equity

401k match

Health benefits

Office setup stipend

Flexible PTO

Job summary

Moonshot is seeking a Backend Engineer to own critical systems spanning identity, funds movement, and blockchain infrastructure. You will design, build, and operate services that are secure, scalable, and reliable, enabling product teams to move quickly on a solid foundation.

You will mentor engineers, drive engineering standards, and collaborate with Product, Security, and Ops. The role blends hands-on development with architectural leadership in fintech/crypto, with equity and a

Qualifications

• 5–12+ years of backend or platform engineering experience in fintech/crypto
• Experience with high‑scale, high‑availability systems
• Experience designing and operating distributed systems
• Track record in architecture decisions
• Strong on-call, incident response, and postmortems
• Excellent collaboration with Product, Security, and Ops

Responsibilities

• Design, build, and operate Identity & Access Management services
• Own financial operations systems
• Build and maintain blockchain infrastructure
• Define and uphold reliability and observability standards
• Lead large cross-functional technical projects from design through rollout
• Mentor engineers and contribute to standards, design reviews, and documentation
• Stay close to industry best practices in auth, key management, and secure infrastructure for crypto and trading

Skills

Backend engineering

Distributed systems

High availability

Fintech/crypto domain

Tools

Go

Rust

Solana

Flutter

React Native

GCP

AWS

Job description

Moonshot is seeking a Backend Engineer to own critical systems spanning identity, funds movement, and blockchain infrastructure. You will design, build, and operate services that are secure, scalable, and reliable, enabling product teams to move quickly on a solid foundation.

You will mentor engineers, drive engineering standards, and collaborate with Product, Security, and Ops. The role blends hands-on development with architectural leadership in fintech/crypto, with equity and a