Senior Software Engineer – Fintech / DeFi
Summary
Build and ship scalable fintech/DeFi features using React, TypeScript, Node.js, and PostgreSQL; design AWS infrastructure; ensure compliance; and mentor teammates on AI-assisted development.
You will build scalable production features with React, TypeScript, Node.js, and PostgreSQL; use AI-assisted development tools; design AWS infrastructure; collaborate across product, legal, and finance; ensure security and regulatory compliance; contribute to architecture decisions; and mentor teammates on AI-assisted development.
Responsibilities
- Build and ship scalable features using React, TypeScript, Node.js, and PostgreSQL
- Use Cursor, MCP, and AI agents to accelerate development
- Design and optimize AWS cloud infrastructure
- Collaborate with product, legal, and finance teams
- Ensure security and regulatory compliance
- Contribute to architecture decisions
- Mentor teammates on AI-assisted development practices
Requirements
- 5+ years of professional software development experience
- Advanced skills in React, TypeScript, Node.js, and PostgreSQL
- Experience with AWS Lambda and Amplify
- Record of delivering production systems in fintech or regulated environments
- Familiarity with Solidity, DAML, or Bedrock is a plus
- Comfort using AI-assisted tools daily
- Based on the US East Coast or France
- Availability for regular team meetups in NYC
- US Citizen, Permanent Resident, or French Citizen
Benefits
- Equity
- Health benefits