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Posted on 2026/09/28

Senior Full Stack Engineer (Python, Angular, Generative AI)

in4ge sp. z o.o.

Warsaw, Poland

Full-time

Role: Senior Full Stack Engineer (Python, Angular, Generative AI)

Description

Build and integrate production applications with a Python/FastAPI backend and an Angular/TypeScript frontend, connected to SQL/PostgreSQL, external APIs, and language models.

This AI-first role uses AI programming agents as an integral part of daily development (coding, debugging, refactoring, testing, and analyzing existing systems) while you stay responsible for architecture, code quality, and final outcomes.

Translate business requirements into complete features from start to finish.

Responsibilities

  • Develop backend services in Python and FastAPI, including REST API development and integrations with external systems
  • Build frontend features with Angular and TypeScript
  • Work with relational data using SQL and PostgreSQL
  • Integrate LLMs and Generative AI into production applications
  • Prepare prompts and context for AI models; handle structured responses and tool/function calling
  • Use Claude Code and GitHub Copilot and advanced AI models for coding, debugging, refactoring, testing, and code analysis
  • Execute development tasks with AI agents, owning architecture and code quality
  • Apply Git, Docker, CI/CD, and automated tests in the software development process
  • Convert business requirements into functional capabilities and deliver end-to-end

Benefits

  • B2B cooperation model
  • Development of applications using Python, FastAPI, Angular, and Generative AI
  • Use of modern AI tools and agents as a core part of the development process