Ssr Fullstack Developer (Node.js + Next.js + RN)

Workana

Costa Rica🌐 Remote💼 Full-time💰 $22,800–$22,800🗓 2026-07-14 → 2026-09-30

Core

Develop scalable APIs and applications for a fintech client, handling both web and mobile interfaces.

Role type

Semi-senior fullstack developer (Node.js + Next.js + React Native)

Builds

Fintech APIs, web applications, and mobile applications

Domain

Fintech, financial services

Deliverable

production ML models | product features

Required skills

Node.js, PostgreSQL, React Native, Next.js, RESTful APIs, WebSockets, relational and non-relational databases

Preferred skills

Fintech, blockchain, payment systems

Technologies

Node.js, PostgreSQL, React Native, Next.js

Responsibilities

Develop and maintain Node.js APIs, build web apps with Next.js and mobile apps with React Native, integrate KYC and banking APIs, implement security measures, perform testing and debugging, ensure code scalability

Seniority

Semi-senior, hands-on IC

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