AI-Driven Full Stack Developer (Python) — Hybrid in Warsaw

Jit; Warszawa; Hybrid; PLN 140,000 - 200,000; Full time

Job summary

Jit is seeking a developer/scientist to join a hybrid team in central Warsaw, building an Underwriter OS that blends React/Next.js frontend, Python/FastAPI backend, and orchestrated AI agents to transform underwriting workflows. You will create data extraction pipelines from broker documents, design prompt strategies for insurance guidelines, and deploy on Azure with CI/CD workflows.

Requirements include at least 2 years in Data Science/AI with production deployments, strong React/Next.js and

Qualifications

• Minimum 2 years in Data Science/AI with at least 1 year of production deployments.
• Strong React/Next.js and Python/FastAPI proficiency.
• LangGraph or similar orchestration frameworks and prompt engineering.
• PostgreSQL and SQL fluency.

Responsibilities

Skills

React/Next.js

Python/FastAPI

LangGraph

Prompt engineering

SQL

Tools

Azure

Job description

Jit is seeking a developer/scientist to join a hybrid team in central Warsaw, building an Underwriter OS that blends React/Next.js frontend, Python/FastAPI backend, and orchestrated AI agents to transform underwriting workflows. You will create data extraction pipelines from broker documents, design prompt strategies for insurance guidelines, and deploy on Azure with CI/CD workflows.

Requirements include at least 2 years in Data Science/AI with production deployments, strong React/Next.js and