Full-Stack JavaScript Developer (AI-Native)

UltaHost; Polska; On-site; PLN 120,000 - 180,000; Full time

Job summary

UltaHost is expanding its international team and seeks a skilled full-stack engineer. You will design, develop, and maintain scalable applications using Node.js, NestJS, React, Next.js, and TypeScript.

You will build secure APIs, manage databases with Prisma ORM, and collaborate across Product, Design, QA, and Engineering teams. Daily work includes modern CI/CD pipelines, Docker-based environments, and deploying to cloud infrastructure.

Qualifications

• Bachelor's degree in Computer Science, Software Engineering, Information Technology, or equivalent experience.
• Experience with Node.js and NestJS in production environments.
• Strong front-end skills with React and Next.js.
• Hands-on experience with Prisma ORM and PostgreSQL/MySQL; MongoDB/Redis as well.
• Experience with Git, Docker, and CI/CD pipelines.
• Experience writing unit/integration tests with Jest or Vitest; familiarity with Supertest.
• Daily use of AI coding tools like Claude Code, Cursor, GitHub Copilot, Codex CLI.
• Solid 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 as needed.
• Incorporate AI coding tools into the daily development workflow.
• Collaborate with Product, Design, QA, and Engineering teams throughout the SDLC.
• Contribute to CI/CD pipelines, Docker-based development environments, and deployment processes.

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

Supertest

Claude Code

Cursor

GitHub Copilot

Codex CLI

Job description

Poland

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