Senior Full-Stack Engineer
About the Role
We are looking for Senior Full-Stack Engineer with strong experience across React/TypeScript frontend development and Node.js/TypeScript backend systems. This is a long-term, fully remote opportunity within a fast-moving fintech environment, working EST hours.
The ideal candidate is proactive, asks thoughtful questions, and builds reliable, maintainable systems. The team actively uses AI coding tools such as Claude, so candidates must be comfortable using them and explaining their technical decisions.
Responsibilities
Build and maintain production-grade React, Node.js, and TypeScript applications.
Develop backend services, APIs, integrations, and server-side validation.
Manage PostgreSQL schemas, migrations, queries, indexes, and performance.
Write unit, integration, and end-to-end tests.
Design scalable systems using caching, queues, and background jobs.
Improve legacy code and contribute to ongoing technical remediation.
Collaborate with the team and clearly communicate technical decisions.
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