Full-Stack Engineer

Belsoftsolutions; United States; Remote; USD 90,000 - 130,000; Full time

Job summary

Belsoftsolutions in the United States is seeking a full‑stack engineer to own features end to end, from data model to deployment, with AI capabilities built in where it genuinely helps and security baked in everywhere.

You will build with Next.js, TypeScript, Node.js, and PostgreSQL; ship AI features inside products; design data models, auth, billing, and multi‑tenant architecture; write tested, secure code and review peers; and set up CI/CD, monitoring, and deployments on Vercel or AWS.

Qualifications

• 3+ years building production web applications with TypeScript.
• Strong React/Next.js and Node.js.
• Experience with PostgreSQL or another relational database.
• Experience shipping at least one feature built on an LLM API.
• Security-minded: you validate input, handle secrets properly, and think about access control.

Responsibilities

• Build full-stack applications with Next.js, TypeScript, Node.js, and PostgreSQL.
• Ship AI features: assistants, document processing, and automation inside products.
• Design data models, auth, billing, and multi-tenant architecture.
• Write tested, secure, maintainable code, and review others' code.
• Set up CI/CD, monitoring, and deployments on Vercel or AWS.

Skills

TypeScript

React/Next.js

Node.js

PostgreSQL

LLM API

Security

Tools

Terraform

Docker

AWS

Job description

When a client's roadmap calls for a platform (a booking system, a client portal, an internal tool, an AI SaaS), you build it. You'll own features end to end, from data model to deployment, with AI built in where it genuinely helps and security built in everywhere.

What you'll do

• Build full-stack applications with Next.js, TypeScript, Node.js, and PostgreSQL
• Ship AI features: assistants, document processing, and automation inside products
• Design data models, auth, billing, and multi-tenant architecture
• Write tested, secure, maintainable code, and review others' code
• Set up CI/CD, monitoring, and deployments on Vercel or AWS

What you bring

• 3+ years building production web applications with TypeScript
• Strong React/Next.js and Node.js
• Experience with PostgreSQL or another relational database
• Experience shipping at least one feature built on an LLM API
• Security-minded: you validate input, handle secrets properly, and think about access control

Nice to have

• Stripe billing and subscription experience
• Terraform, Docker, or AWS infrastructure
• Open-source contributions