Full-Stack JavaScript Developer (AI-Native)

UltaHost; Jakarta Pusat; On-site; IDR 360,000,000 - 720,000,000; Full time

Job summary

UltaHost is seeking a talented full-stack engineer to design, build, and maintain scalable applications using Node.js, NestJS, React, Next.js, and TypeScript. You will work across backend and frontend, implement secure APIs, and help shape database schemas with Prisma ORM across PostgreSQL, MySQL, and MongoDB.

Daily you will use AI coding tools and collaborate with cross-functional teams to deliver robust cloud-based solutions.

Qualifications

• Bachelor's degree in Computer Science or related field or equivalent work experience
• Production experience with Node.js and NestJS
• Strong React and Next.js experience
• Hands-on Prisma ORM with Postgres, MySQL, MongoDB/Redis
• Experience with Git, Docker, and CI/CD pipelines
• Experience writing unit and integration tests (Jest/Vitest)
• Daily use of AI coding tools (Claude Code, Cursor, GitHub Copilot)
• Understanding of software architecture, scalability, security, and modern engineering practices
• Excellent written and verbal English communication

Responsibilities

• Design, develop, and maintain scalable full-stack applications using Node.js, NestJS, React, Next.js, and TypeScript
• Build secure REST APIs, authentication systems, and backend services
• Design and maintain database schemas using Prisma ORM with PostgreSQL, MySQL, MongoDB, and Redis
• Use AI coding tools as part of daily workflow
• Collaborate with Product, Design, QA, and Engineering teams throughout the SDLC
• Contribute to CI/CD pipelines, Docker-based environments, and deployment processes

Skills

English communication

Team collaboration

Education

Bachelor's degree in Computer Science or related field

Tools

Node.js

NestJS

React

Next.js

TypeScript

Prisma ORM

PostgreSQL

MySQL

MongoDB

Redis

Git

Docker

CI/CD

Jest

Vitest

GitHub Copilot/Codex

Job description

Full-Time

About UltaHost

UltaHost is a rapidly growing global web hosting and cloud infrastructure provider delivering high-performance hosting, VPS, dedicated servers, and cloud solutions to customers worldwide. Our mission is to provide reliable, scalable, and innovative infrastructure services while maintaining exceptional customer satisfaction. As our global operations continue to expand, we are looking for talented professionals to join our international team and contribute to our long-term growth.

Job Overview

Key Responsibilities

• Design, develop, and maintain scalable full-stack applications using Node.js, NestJS, React, Next.js, and TypeScript
• Build secure and maintainable REST APIs, authentication systems, and backend services
• Design and maintain database schemas using Prisma ORM with PostgreSQL,
• MySQL, MongoDB, and Redis where appropriate
• Use AI coding tools such as Claude Code, Cursor, GitHub Copilot, or similar as part of your daily development workflow
• Collaborate closely with Product, Design, QA, and Engineering teams throughout the software development lifecycle
• Contribute to CI/CD pipelines, Docker-based development environments, and deployment processes

Qualifications

• Bachelor's degree in Computer Science, Software Engineering, Information Technology, or a related field (or equivalent professional experience)
• Production experience with Node.js and NestJS
• Strong experience with React and Next.js
• Hands-on experience with Prisma ORM, PostgresSQL/MySQL, MongoDB/Redis
• Experience with Git, Docker, and CI/CD pipelines
• Experience writing unit and integration tests using Jest, Vitest, Supertest, or similar frameworks
• Daily experience using AI coding tools such as Claude Code, Cursor, GitHub Copilot, Codex CLI, or similar
• Strong understanding of software architecture, scalability, security, and modern engineering best practices
• Excellent written and verbal communication skills in English

Preferred Qualifications

• Experience building AI-powered applications using LLM APIs
• Familiarity with Model Context Protocol (MCP), AI agent frameworks, or AI automation
• Experience working on SaaS, hosting, cloud, or infrastructure platforms
• Experience with GitHub Actions or similar CI/CD platforms
• Experience optimizing application performance and large-scale systems
• Passion for AI-assisted software engineering and continuous improvement

What We Offer

• Opportunity to work in a fast-growing international technology company
• Professional and collaborative engineering environment
• Career growth and professional development opportunities
• Opportunity to work with modern AI-native development workflows
• Exposure to large-scale cloud infrastructure and global software products
• Dynamic and innovation-driven company culture