AI-Driven Backend Engineer | Node.js & APIs

Hostinger; Warszawa; On-site; PLN 180,000 - 240,000; Full time

Benefits offered by this job

360 Growth

Freedom & responsibility

Wellness

Work hard - play hard

Job summary

Hostinger in Warsaw is seeking a backend engineer to join our AI Builder team. You will design and develop backend systems and APIs using Node.js and TypeScript to power our AI-driven platform and help users create websites, stores, and web apps.

Own services end-to-end, optimise performance and scale, and collaborate with frontend, product, and other engineers. Youll ship reliable code, write tests, and learn from experienced colleagues as you grow from mid-level to senior engineer.

Qualifications

• 2+ years of experience with Node.js, TypeScript, and PostgreSQL or MySQL in production environments.

Responsibilities

• Build the engine behind AI Builder/eCommerce - Design and develop backend systems and APIs using Node.js that power our vibe coding platform.
• Own your services - Take ownership of backend features and services, learning to make architectural decisions with guidance from senior engineers.
• Optimize and scale: focus on API performance, database optimization, and system scalability.
• Integrate and innovate - Connect third-party APIs, implement data storage solutions, and help build features that users actually love.
• Quality matters - Write tested, documented, scalable code that creates business value.
• Collaborate across the stack - Work closely with frontend developers, product managers, and other engineers to ship features that make an impact.
• Learn and level up - Get mentored on system design, performance optimization and backend best practices.

Skills

Node.js

TypeScript

PostgreSQL

MySQL

REST APIs

RabbitMQ

BullMQ

GCP PubSub

Kubernetes

Docker

Grafana

Jest

Mocha

Sequelize

TypeORM

Prisma

Redis

Git

Self-starter

Communication

Tools

Sequelize

TypeORM

Prisma

Job description

Hostinger in Warsaw is seeking a backend engineer to join our AI Builder team. You will design and develop backend systems and APIs using Node.js and TypeScript to power our AI-driven platform and help users create websites, stores, and web apps.

Own services end-to-end, optimise performance and scale, and collaborate with frontend, product, and other engineers. Youll ship reliable code, write tests, and learn from experienced colleagues as you grow from mid-level to senior engineer.