Note: The job is a remote job and is open to candidates in USA. The company is a confidential, venture-backed fintech startup reimagining financial industry operations through AI and modern software. The Senior Full-Stack Engineer will build end-to-end product features across TypeScript, React, and Node.js, develop scalable APIs and financial integrations, and help shape architecture, performance, reliability, and engineering practices.
Responsibilities
- Design, develop, and ship end-to-end product features using TypeScript, React, and Node.js
- Build scalable backend services and APIs that power complex financial workflows
- Develop and maintain GraphQL APIs using Apollo
- Design and optimize relational data models using PostgreSQL
- Build integrations with third-party financial services and lending platforms
- Work on AI-powered features and intelligent automation
- Improve application performance, reliability, and scalability
- Collaborate closely with engineering leadership to make architectural and product decisions
- Help establish engineering best practices as the company grows
Skills
- Location: Remote – United States
- You don't need to have worked with every technology listed, but strong production experience with TypeScript across the stack is essential
- • Strong professional software engineering experience, ideally at a senior level
- • Deep proficiency in TypeScript and modern JavaScript
- • Production experience building applications with React and Node.js
- • Experience designing, developing, and maintaining backend APIs
- • Strong understanding of relational databases and data modeling
- • Experience building scalable, reliable production applications
- • Ability to independently own complex projects from initial design through deployment
- • Strong communication skills and comfort collaborating with a distributed team
- • Experience at an early-stage or high-growth startup
- • Background in fintech, lending, payments, or financial services
- • Experience with GraphQL, Apollo, or complex third-party API integrations
- • Familiarity with AWS, Docker, and infrastructure as code
- • Experience building AI-powered applications or integrating LLMs
- • Experience mentoring engineers or contributing to technical architecture
Benefits
- Equity
- Work remotely
- Meaningful voice in technical decisions and the direction of the product
- Collaborate with a distributed team from anywhere in the United States
Company Overview