AI Engineer | Digital& (freelance)

PwC Polska; Warszawa; On-site; PLN 100,000 - 130,000; Full time

Job summary

A leading consulting firm in Warsaw is seeking an AI Engineer to design and implement modern applications. The role involves collaborating on high-performance solution architecture, creating project documentation, and assisting in software deployments. Candidates should have advanced Python skills, cloud platform familiarity, and experience in ML libraries. This full-time position offers a mid-senior level opportunity in a dynamic environment.

Qualifications

• Advanced Python programming experience and knowledge of SDLC.
• Familiarity with cloud platforms like AWS, Azure, or GCP.
• Solid foundation in statistics, linear algebra, and calculus.

Responsibilities

• Design and implement modern applications.
• Participate in creating solution architecture.
• Create project documentation and assist in software deployments.

Skills

Advanced Python programming

AWS, Azure, or GCP cloud platforms

Statistics, linear algebra, and calculus

ETL, data pipelines, SQL/NoSQL databases

ML libraries (scikit-learn, PyTorch, TensorFlow)

NLP/NLU (text processing, embeddings)

Neural networks for NLP, computer vision

Deep understanding of LLMs

Prompt engineering and orchestration tools

Vector databases (Pinecone, Weaviate)

Software engineering skills

CI/CD pipelines and automation tools

Integrating logging, monitoring, and alerting

Job description

Position

AI Engineer - Freelance at PwC Polska

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Team

The Digital& - Application Development team at PwC Poland consists of almost 300 people.

We are responsible for IT projects for both Polish and international clients, carrying out a wide range of tasks—from designing, building, and implementing solutions, through developing functional specifications, analyzing data in source systems, to defining business requirements, supporting testing, and creating mobile applications.

Within the department, we provide IT consulting services, mainly for financial sector institutions in Poland and abroad.

Position Details

We are currently looking for candidates for the position of: AI Engineer

Your Future Role

• Designing and implementing modern applications,
• Actively participating in the process of creating high-performance solution architecture,
• Creating project documentation,
• Participating in software deployments and collaborating with users to resolve ongoing issues.

Apply if you have:

• Advanced Python programming and SDLC experience.
• Familiar with AWS, Azure, or GCP cloud platforms.
• Strong foundation in statistics, linear algebra, and calculus.
• Skilled in ETL, data pipelines, modeling, and working with SQL/NoSQL databases.
• Proficient in ML libraries: scikit-learn, PyTorch, TensorFlow, Hugging Face.
• Experienced in NLP/NLU: text processing, embeddings, NER, semantic analysis.
• Hands‑on with neural networks for NLP, computer vision, etc.
• Deep understanding of LLMs: transformers, embeddings, tokenization, and API integrations.
• Proficient in prompt engineering and orchestration tools (LangChain, LangGraph, Semantic Kernel, Crew AI).
• Experience with vector databases (Pinecone, Weaviate, FAISS, Milvus) in Gen AI solutions.
• Strong Python software engineering skills with coding standards and best practices.
• Experience in code reviews, debugging, testing, and version control.
• Familiar with CI/CD pipelines and automation tools (GitHub, Azure DevOps, Docker, Kubernetes).
• Experience containerizing AI solutions and deploying across enterprise environments.
• Skilled in integrating logging, monitoring, and alerting systems.

Nice to have:

• Strong problem‑solving using systems thinking and first principles.
• Capable of designing scalable, resilient, and secure end‑to‑end systems.
• Expertise in API design, event‑driven architectures, microservices, serverless, and containers.
• Familiar with enterprise integration patterns (messaging, pub/sub, event sourcing).
• Knowledge of IAM, RBAC, secrets management, and network security (VPCs, firewalls).

Seniority level

Mid‑Senior level

Employment type

Full-time

Job function

Engineering and Information Technology

Industries

Business Consulting and Services

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