AI Engineer – Digital & IPA (Freelance)

About the role

Join PwC Poland's Digital&IPA team as a freelance AI Engineer. You will design and implement modern AI‑driven applications for financial sector clients, working on high‑performance solution architecture and end‑to‑end delivery.

Key responsibilities

• Design and develop AI applications and data pipelines.
• Contribute to high‑performance solution architecture.
• Create and maintain project documentation.
• Participate in software deployments and support users.
• Collaborate with cross‑functional teams to resolve issues.

Required profile

• Advanced Python programming and full SDLC experience.
• Familiarity with cloud platforms (AWS, Azure, GCP).
• Strong foundation in statistics, linear algebra and calculus.
• Experience with ETL, data pipelines, SQL/NoSQL databases.
• Proficiency in ML libraries (scikit‑learn, PyTorch, TensorFlow, Hugging Face).
• Hands‑on experience in NLP/NLU, neural networks, and LLMs.
• Knowledge of prompt engineering and orchestration tools (LangChain, LangGraph, Semantic Kernel, Crew AI).
• Experience with vector databases (Pinecone, Weaviate, FAISS, Milvus).
• Solid software‑engineering practices, code reviews, CI/CD, Docker, Kubernetes.

Required skills

• Python
• AWS
• Azure
• GCP
• SQL
• NoSQL
• scikit‑learn
• PyTorch
• TensorFlow
• Hugging Face
• NLP/NLU
• Transformers
• LangChain
• LangGraph
• Semantic Kernel
• Crew AI
• Pinecone
• Weaviate
• FAISS
• Milvus
• Docker
• Kubernetes
• GitHub
• Azure DevOps
• CI/CD pipelines
• Logging & monitoring

What we offer

• Diverse and challenging projects across the financial sector.
• Hybrid work model with flexible hours and occasional remote work.
• Clear career progression within a consulting‑focused environment.
• Opportunities to work on international assignments and travel.