Remote-First AI-Native Full-Stack JS Engineer

UltaHost; Buenos Aires; Remote; ARS 138,361,000 - 215,229,000; Full time

Benefits offered by this job

Remote-first culture

International team

Career growth

AI-native workflows

Exposure to cloud infrastructure

Job summary

UltaHost is seeking a highly skilled Full-Stack JavaScript Developer (AI-Native) to design, build, and maintain scalable backend and frontend services across the stack using JavaScript and TypeScript. You will leverage AI-assisted development tools to improve productivity and code quality, while collaborating with cross-functional teams to deliver robust cloud infrastructure solutions.

You will work on secure APIs, modern front-ends, and data models with Prisma and

Qualifications

• 4+ years of professional Full-Stack JavaScript development experience.
• Strong expertise in JavaScript and TypeScript.
• Production experience with Node.js and NestJS.
• Strong experience with React and Next.js.
• Hands-on experience with Prisma ORM, PostgreSQL/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.

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.
• Collaborate with Product, Design, QA, and Engineering teams throughout the software development lifecycle.
• Contribute to CI/CD pipelines, Docker-based development environments, and deployment processes.

Skills

JavaScript

TypeScript

Node.js

NestJS

React

Next.js

AI coding tools

Unit testing

English communication

CI/CD

AI coding tools

Education

Bachelor's degree in CS or related

Tools

Git

Docker

GitHub Copilot

Claude Code

Cursor

Codex CLI

PostgreSQL

MySQL

MongoDB

Redis

Prisma ORM

Job description

UltaHost is seeking a highly skilled Full-Stack JavaScript Developer (AI-Native) to design, build, and maintain scalable backend and frontend services across the stack using JavaScript and TypeScript. You will leverage AI-assisted development tools to improve productivity and code quality, while collaborating with cross-functional teams to deliver robust cloud infrastructure solutions.

You will work on secure APIs, modern front-ends, and data models with Prisma and