Senior Developer - GenAI

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🚀Senior Developer – GenAI

Location: Warsaw, Poland (Hybrid 2 days / week)

💼 Role Overview

As a Senior Software Engineer on the ChatGPT for Work team, you will:

1. Architect & Build: Design and implement backend systems supporting Generative AI workflows and services.
2. Develop Microservices: Create APIs integrating GenAI models, vector databases, and orchestration tools like LangChain and LangGraph.
3. Optimize Infrastructure: Build scalable systems for deploying and serving LLMs and AI pipelines in production.
4. Maintain Data Pipelines: Support GenAI use cases, including prompt data processing and model feedback loops.
5. Collaborate Across Teams: Work with AI/ML engineers to enable plug-and-play components in agentic workflows.
6. Enhance Performance: Debug, profile, and optimize GenAI applications, including prompt execution paths and model inference.
7. Document Systems: Write technical documentation related to GenAI service design, deployment procedures, and best practices.

🧠 Required Skills

1. GenAI Expertise: Hands-on experience with LLMs, prompt engineering, embeddings, fine-tuning, or building RAG pipelines.
2. Programming Languages: Proficiency in Python, Java, or Scala.
3. Backend Engineering: Experience with microservices, REST APIs, Kafka, and cloud platforms (AWS/Azure).
4. Development Tools: Familiarity with Docker, Kubernetes, CI/CD, and Git.
5. System Design: Strong foundation in software design principles, testing, and version control.

🎯 Desired Skills

1. AI Toolchains: Exposure to prompt engineering, embeddings, or AI-based toolchains.
2. Agentic AI Systems: Experience in building or integrating with LLMs (e.g., OpenAI, Claude), use of tools like LangChain, LangGraph, Copilot, or vector DBs.

Startup Experience: Experience as a startup founder or early-stage engineer is a plus.