Senior Full Stack Developer

Tel Aviv-Yafo, Tel Aviv District, Israel💼 Full-time🗓 2026-05-17 → 2026-07-31

Core

Designing and maintaining high-performance web applications and backend APIs for global payment processing workflows, integrating advanced AI features and multi-agent state management.

Role type

Senior Full Stack Developer (Fintech/Payments)

Builds

Scalable payment infrastructure, web applications, and AI-driven payment solutions

Domain

Fintech, Payments, Artificial Intelligence

Deliverable

production ML models | product features

Required skills

React.js, TypeScript, Node.js, RESTful API design, OAuth, JWT, GraphQL, oRPC, LangGraph, LangSmith, Langfuse, Braintrust

Preferred skills

AI agent development, telemetry implementation, large-scale software architecture adaptation

Technologies

React, TypeScript, Node.js, LangGraph, LangSmith, Langfuse, Braintrust

Responsibilities

Design and develop high-performance web applications with AI features; Build and optimize robust backend APIs for payment workflows; Collaborate cross-functionally to translate business requirements into scalable solutions; Drive development efficiency using AI-assisted tools

Seniority

Senior, hands-on IC

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About nuvei

Financial Services2721Montréal, Québec, CAFounded 2003

Nuvei is building the infrastructure for every payment, everywhere. Its modular, flexible, and scalable technology enables leading companies to accept next-generation payments, offer all payout options, and benefit from card issuing, banking, risk, and fraud management services. Connecting businesses to their customers in more than 200 markets, with local acquiring in 50 markets, 150 currencies, and over 720 alternative payment methods, Nuvei provides the technology and insights that help customers and partners succeed locally and globally through one integration.