Full Stack Developer (Next.js, TypeScript)

Overview

About VAIA

VAIA is an AI-led investment and sustainability advisory firm building scalable, productiongrade platforms for investment intelligence, regulatory reporting, and enterprise decisionmaking. We focus on engineering-first systems designed for real-world use, not demos.
Role Overview

We are looking for a Full Stack Developer with strong experience in Next.js and TypeScript who has built and shipped real-world applications. You will own end-to-end features from frontend and backend development to deployment, security, and performance.

Key Responsibilities

• Build and maintain full-stack applications using Next.js (App Router) and TypeScript • Build backend API’s using python and create basic RAG pipelines • Design and implement backend APIs and server-side logic (Node.js, API routes, Server Actions) • Implement authentication and authorization systems (JWT, OAuth, NextAuth, session handling) • Dockerize applications for local development and production deployments • Apply security best practices across the stack (secure auth flows, secrets management, API protection, role-based access control) • Work with databases (PostgreSQL / MongoDB) and ORMs • Collaborate closely with product and leadership to ship high-impact features • Participate in architecture decisions, code reviews, and performance optimization

Must-Have Requirements

• 2+ years of hands-on full-stack development experience • Strong proficiency in Next.js and TypeScript • Experience building production systems with authentication and access control • Hands-on experience with Docker and containerized deployments • Strong understanding of web security best practices (OWASP basics, secure API design, token handling) • Experience working with databases (SQL or NoSQL) • Comfortable working in a fast-paced, in-person startup environment

Nice to Have

• Experience with AWS • Familiarity with Prisma / Drizzle ORM • Experience with CI/CD pipelines • Exposure to performance monitoring and logging • Prior experience in fintech, SaaS, or data-heavy platform