Senior Full Stack Engineer; React + Node.js

We’re looking for a Senior Full Stack Engineer to design, build, and scale secure, high-performance web applications for our Banking and Financial Services clients across the US and LATAM. You’ll lead end-to-end feature delivery—using React (front-end) and Node.js (back-end)—with a focus on performance, security, and reliability.

• Architecture & Delivery:
  Build scalable microservices, REST/GraphQL APIs, and component-driven UIs using React and Node.js. Implement cloud-native solutions (AWS/Azure/GCP) with IaC (Terraform).
• Security & Compliance:
  Apply OWASP Top 10, secure coding, token-based auth (OAuth2/JWT), and data protection controls. Ensure compliance with PCI DSS, SOC 2, GDPR, and SOX.
• Quality & Performance:
  Optimize Core Web Vitals, database performance, and maintain high test coverage using Jest, Cypress, and Supertest.
• Collaboration & Leadership:
  Mentor engineers, conduct code reviews, and collaborate with cross-functional teams to deliver projects on time.

• 9+ years of software engineering experience, with 5+ years in JavaScript/Type Script.
• Strong in React (Hooks, Context), Node.js, and API design (REST/GraphQL).
• Experience with cloud platforms (AWS/Azure/GCP), containers (Docker), and CI/CD (Git Hub Actions).
• Background in security, regulated environments (BFSI/Fin Tech), and performance optimization.
• Strong communication skills to translate technical concepts to stakeholders.

• Experience with NestJS, Next.js, Kafka, and Kubernetes.
• Knowledge of payments, KYC/AML, or core banking integrations.
• Fluency in Spanish/Portuguese.