Talent Network: Senior Backend Engineer (Node.js)
Toptal
Job Summary: In this position, you will build and scale the backend for a borderless neobank on stablecoin rails. You’ll work across traditional banking integrations, blockchain infrastructure, and card issuance - ensuring every transaction is correct, every webhook is idempotent, and every workflow survives a crash. We are an agentic-first engineering team: you’ll ship with AI-assisted tooling daily, not as an experiment. This is a remote position. We do not offer visa sponsorship or assistance. Resumes and communication must be submitted in English. Responsibilities: The following information is intended to describe the general nature and level of work being performed. It is not intended to be an exhaustive list of all duties, responsibilities, or required skills. What You’ll Own End-to-end feature delivery across banking, cards, crypto, and compliance modules Temporal workflow design for critical financial operations Webhook integration reliability (inbox pattern, signature verification, IP whitelisting) Event-driven architecture evolution Observability and incident response for payment flows Our Way of Work Agentic-first: AI tools are infrastructure, not novelty. You’ll use Cla