Founding Full-Stack Engineer - NestJS + Next.js (Remote)

Eternaindonesia; Indonesia; On-site; IDR 300,000,000 - 540,000,000; Full time

Job summary

Eterna Indonesia is hiring mid-to-senior Full-Stack Developers to build a brand-new SaaS platform. You’ll work on a greenfield project with a modern TypeScript stack (NestJS + Next.js on AWS) and collaborate with a U.S. client team and our product team.

This fully remote, full-time role aligns hours to U.S. business time, enabling impactful architecture decisions from day one and ownership of end-to-end features in a multi-tenant SaaS environment.

Qualifications

• 3-5+ years building production web apps with TypeScript, Node.js (NestJS or Express), and React.js / Next.js.
• Strong PostgreSQL / relational data-modeling skills; comfortable writing and reasoning about SQL and migrations.
• Solid experience building and consuming RESTful APIs, plus auth and secure handling of secrets and credentials.
• Genuinely full-stack — you can design a schema, expose an endpoint, and build the screen that consumes it.
• Hands-on experience using AI-assisted development tools (e.g., Claude / Claude Code, GitHub Copilot) as part of daily coding workflow.
• Working understanding of AI agent orchestration — coordinating AI coding agents and tools to plan, build, and ship software.

Responsibilities

• Contribute to building a U.S.-based HVAC SaaS platform from day one on a modern TS stack.
• Collaborate with U.S. client team and product teams across the full stack, from DB modeling to UI.
• Implement secure APIs, auth flows, and scalable frontend-backend interfaces.
• Maintain code quality with automated tests and CI pipelines.

Skills

TypeScript

Node.js (NestJS/Express)

React/Next.js

PostgreSQL

RESTful APIs

Auth & secrets handling

AI-assisted development

AI agent orchestration

Testing & CI

Git & PR workflows

English communication

Tools

NestJS

Prisma/TypeORM

PostgreSQL

GitHub Copilot

Claude / Claude Code

Terraform

AWS

Next.js

Job description

Eterna Indonesia is hiring mid-to-senior Full-Stack Developers to build a brand-new SaaS platform. You’ll work on a greenfield project with a modern TypeScript stack (NestJS + Next.js on AWS) and collaborate with a U.S. client team and our product team.

This fully remote, full-time role aligns hours to U.S. business time, enabling impactful architecture decisions from day one and ownership of end-to-end features in a multi-tenant SaaS environment.