Remote Principal Fullstack Engineer — AI & Data Platform

OnHires; Remote; PLN 240,000 - 320,000; Full time

Job summary

A tech startup in real estate is seeking its first engineering hire to design core architecture for an AI-Native Real Estate Intelligence Platform. The role involves building scalable data ingestion systems, developing analytics layers, and working directly with founders on product direction. Strong experience in production system engineering, a solid backend and data engineering background, and familiarity with ML pipelines are essential. The position is remote within Europe and values ownership mindset and early-stage innovation.

Responsibilities

• Design and build a scalable data ingestion system.
• Create a centralized data layer that normalizes property information.
• Develop an analytics and ML layer to detect anomalies.
• Use LLMs as an interface on top of structured data.
• Establish engineering standards as the team scales.

Skills

Building production systems from scratch

Backend, frontend and data engineering

Working with unstructured data

Understanding ML / analytics pipelines

Using LLMs in real systems

Ownership mindset

Tools

Node.js

PostgreSQL

Playwright or similar scraping tools

Angular/React

Cloud (AWS/GCP)

Docker

Job description

A tech startup in real estate is seeking its first engineering hire to design core architecture for an AI-Native Real Estate Intelligence Platform. The role involves building scalable data ingestion systems, developing analytics layers, and working directly with founders on product direction. Strong experience in production system engineering, a solid backend and data engineering background, and familiarity with ML pipelines are essential. The position is remote within Europe and values ownership mindset and early-stage innovation.