AI Developer (AdTech)

TL;DR

AI Developer (AdTech): Leading and mentoring Generative AI teams to develop conversational agents and innovative AI-driven platform capabilities with an accent on LLM core concepts, prompting, and reasoning strategies. Focus on designing agentic workflows and integrating advanced AI technologies with external APIs.

Location: Warsaw, PL / Serbia / Romania

Company

A large-scale advertising technology company building audience intelligence and campaign automation tools for brands, agencies, and publishers across multiple digital channels.

What you will do

• Lead and mentor two Gen AI teams in developing conversational agents and overseeing project execution.
• Manage the team roadmap and facilitate team building.
• Develop and implement innovative AI-driven solutions to advance platform capabilities.
• Collaborate with developers, product managers, and business operations to align goals.
• Research advanced AI technologies and integrate them with external APIs and services.

Requirements

• BSc in Computer Science or a related degree.
• 3+ years of experience in leading engineering teams.
• 6+ years of experience in building customer-facing full-stack applications.
• 2+ years of hands-on experience with Python.
• Deep understanding of LLM core concepts, prompting, and reasoning strategies.
• Proficiency with SQL and NoSQL databases.
• English: C1 proficiency (excellent spoken and written skills).

Nice to have

• Experience in designing agentic workflows.
• Experience with Node.js, particularly Nest.js.
• Experience with Langchain or Langraph.