full-time

AI Principal Software Engineer (Java)

Posted by InPost • Warsaw, Masovian Voivodeship, Poland

📍 Warsaw, Masovian Voivodeship 🕒 February 28, 2026

About the Role

Job Description

We are seeking a skilled and innovative AI Principal Java Software Engineer, experienced in working with Generative AI (GenAI) models, such as Large Language Models (LLMs), and integrating these solutions into business applications. This role combines software engineering responsibilities with deep knowledge of LLMS, APIs, and cloud infrastructure - focused on building modern, AI‑enhanced business applications. 

 

Key Responsibilities 

  • Drive the technical architecture across the domain, with a focus on modernization, scalability and AI integration.  
  • Lead the design and implementation of microservices and cloud-native systems.  
  • Guide the transition from legacy systems to modern distributed systems.  

Ready to Apply?

Submit your application today and take the next step in your career journey with InPost.

Apply Now