Senior Python Backend Engineer — AI Analytics & LLMs

Bonapolia; Warszawa; Remote; PLN 240,000 - 360,000; Full time

Job summary

Bonapolia is seeking a Senior Python Engineer to join its BI Analytics team. You will build features from prototype to production, develop AI agents and data services, and integrate with data sources and internal systems in a CET, full-time engagement.

The role requires 4+ years of Python backend development, strong SQL and cloud DWH experience (BigQuery preferred), and hands-on work with LLMs, tools, and CI/CD. Russian language is a must for collaboration across teams.

Qualifications

• 4+ years of commercial Python backend development.
• Production experience with LLM agents, tool use, MCP, evaluations, and LLM APIs or agent frameworks.
• Strong SQL and cloud DWH experience, preferably BigQuery.
• OAuth, IAM, Docker, and CI/CD.
• Daily use of coding agents and ability to review their output.

Responsibilities

• Build product features from prototype to production.
• Develop AI agents and web services for internal analytics use cases.
• Integrate agents with data sources and internal systems.
• Set up user access, authorization, cloud deployment, and service maintenance.
• Build evaluations and monitoring for LLM components.
• Fix defects and improve solutions based on user feedback.

Skills

Python backend development

LLM agents experience

SQL

Cloud DWH BigQuery

OAuth IAM Docker CI/CD

Code review of agent outputs

Russian language

Tools

Docker

CI/CD

BigQuery

Claude Agent SDK

Anthropic API

Strands Agents

Job description

Bonapolia is seeking a Senior Python Engineer to join its BI Analytics team. You will build features from prototype to production, develop AI agents and data services, and integrate with data sources and internal systems in a CET, full-time engagement.

The role requires 4+ years of Python backend development, strong SQL and cloud DWH experience (BigQuery preferred), and hands-on work with LLMs, tools, and CI/CD. Russian language is a must for collaboration across teams.