Fairmint
Senior Software Engineer – Fintech / DeFi
East Coast, USA or France (NYC, CT, ...Full-timeGlobal
📊 Mid🏠 Hybrid
Job Description
[AI-summarized by JobStash]
You will build the infrastructure that powers onchain equity and bridge traditional finance with blockchain systems. You will design and optimize AWS cloud infrastructure, implement production-grade features with React, TypeScript, Node.js, and PostgreSQL, and use AI-assisted tools to accelerate development. You will ensure security and regulatory compliance, collaborate with product, legal, and finance stakeholders, contribute to architecture decisions, and mentor teammates on best practices.
Requirements
- ●5+ years of professional software development experience
- ●Advanced skills in React, TypeScript, Node.js, and PostgreSQL
- ●Solid experience with AWS Lambda and Amplify
- ●Proven record of delivering production systems in fintech or regulated environments
- ●Familiarity with Solidity, DAML, or Bedrock is a plus
- ●Comfort and curiosity using AI-assisted development tools daily
- ●Must be a US Citizen or Permanent Resident, or a French Citizen
- ●Must be based on the US East Coast (NYC/CT/MA/NJ preferred) or France
Responsibilities
- ●Build and ship scalable features using React, TypeScript, Node.js, and PostgreSQL
- ●Leverage AI-assisted tools such as Cursor, MCP, and AI agents to accelerate development and product features
- ●Design and optimize AWS cloud infrastructure including Lambda, Amplify, S3, and API Gateway
- ●Ensure security and regulatory compliance across deployed systems
- ●Collaborate with product, legal, and finance teams to integrate onchain and traditional systems
- ●Contribute to architecture decisions and mentor teammates on AI-assisted development best practices
Benefits & Perks
- ●Equity
- ●Health benefits
Tech Stack
CursorAmplifyS3Reactregulatory complianceAWSDeFiNode.jsarchitectureTypeScript