Senior Full Stack Engineer (React + Node.js)
Summary
Senior Full Stack Engineer building secure, high-performance banking apps with React and Node.js, focusing on security, compliance, and cloud-native architecture.
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.
Responsibilities
- 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.
Must-Have Qualifications
- 9+ years of software engineering experience, with 5+ years in JavaScript/TypeScript.
- Strong in React (Hooks, Context), Node.js, and API design (REST/GraphQL).
- Experience with cloud platforms (AWS/Azure/GCP), containers (Docker), and CI/CD (GitHub Actions).
- Background in security, regulated environments (BFSI/FinTech), and performance optimization.
- Strong communication skills to translate technical concepts to stakeholders.
Nice to Have
- Experience with NestJS, Next.js, Kafka, and Kubernetes.
- Knowledge of payments, KYC/AML, or core banking integrations.
- Fluency in Spanish/Portuguese.