Senior Backend Engineer

Skills

About the Role

You will build and scale infrastructure that powers financial products both onchain and offchain. You will design, implement, and maintain APIs, services, and tooling that connect users to decentralized protocols. You will implement token onboarding, investor flows, bridging, and custody integrations; integrate with custodians, KYC/identity providers, and payments systems; ensure security, observability, and auditability; participate in code reviews and architecture discussions; and establish backend engineering standards and best practices.

Requirements

• 4+ years of backend software engineering experience
• Familiarity with modern languages such as Go, Python, C++, and TypeScript
• Strong understanding of distributed systems, system design, and API development
• Experience integrating with cloud infrastructure (AWS preferred), third-party services, and security/compliance-sensitive systems
• Demonstrated interest in Web3 or DeFi through professional experience or side projects
• Familiarity with EVM-based blockchains and smart contract interactions is a plus
• Comfort operating in a fast-moving startup environment with high ambiguity and high ownership
• Located in a US time zone (PT–ET)
• Experience with blockchain/Web3 data providers (The Graph, Alchemy, Moralis) is a plus
• Prior work on tokenized asset platforms, DeFi protocols, or custodial/wallet infrastructure is a plus
• Understanding of Solidity or other smart contract languages is a plus

Responsibilities

• Design and implement scalable, secure backend systems and APIs for interacting with onchain protocols and offchain infrastructure
• Collaborate with smart contract engineers to define interfaces and workflows between backend services and blockchain networks (EVM and non-EVM)
• Own integrations with custodians, identity/KYC providers, payments infrastructure, and third-party blockchain tooling
• Support internal operations, investor services, and compliance teams with automation, auditability, and observability tools
• Establish and enforce backend engineering standards, best practices, and security protocols across the stack
• Participate in code reviews and architecture discussions

Benefits

• Medical insurance
• Vision insurance
• Dental insurance
• Flexible vacation (PTO)
• Equity
• Future token rights