Production AI Engineer – GenAI, LLMs & Cloud

Sii Poland; Kraków; On-site; PLN 120,000 - 190,000; Full time

Job summary

Sii Poland is seeking engineers to build production AI systems beyond notebooks, turning architectures into reliable services. You’ll write Python, wire cloud infra, and tackle data quality, latency, evaluation, and deployment at scale in Kraków.

You’ll work across generative and classical AI stacks, integrating LLMs, training ML models, and running production-grade AI platforms on Azure, AWS, or GCP. Fluent English and Polish are required, and residing in Poland is expected.

Qualifications

• Shipping AI/ML systems to production.
• Strong Python in production services.
• Experience with LangChain, LangGraph or Semantic Kernel.
• Cloud platform experience (Azure/AWS/GCP).
• Vector databases, embeddings, retrieval systems in real apps.
• MLOps: versioning, experiment tracking, CI/CD, monitoring.

Responsibilities

• Build production-grade AI systems end-to-end: data ingestion, embedding pipelines, retrieval, and response generation.
• Develop agentic applications with tool integrations and planning loops.
• Maintain ML pipelines for prediction, classification, recommendation, and optimization tasks.
• Deploy scalable model serving infrastructure across cloud environments.
• Write clean, tested Python code suitable for production.
• Build monitoring and evaluation pipelines for quality and latency.

Skills

Python programming

English fluency

Polish fluency

Autonomous collaboration

Tools

LangChain

LangGraph

Semantic Kernel

Docker

Kubernetes

Vector databases

Embedding models

Job description

Sii Poland is seeking engineers to build production AI systems beyond notebooks, turning architectures into reliable services. You’ll write Python, wire cloud infra, and tackle data quality, latency, evaluation, and deployment at scale in Kraków.

You’ll work across generative and classical AI stacks, integrating LLMs, training ML models, and running production-grade AI platforms on Azure, AWS, or GCP. Fluent English and Polish are required, and residing in Poland is expected.