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AI Engineer - Freelance

Warszawa

PwC

Specjalista

Pełny etat

Praca hybrydowa

angielski

Duża firma

B2B

PwC is a powerful network of over 250.000 people across 158 countries. All committed to deliver quality in Assurance, Tax, Advisory & Technology services. Match your curiosity with continuous opportunities to learn, grow and make an impact. Join PwC and be a game changer.

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

We are responsible for IT projects for both Polish and international clients. We carry 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. 

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). 
PwC Advisory spółka z ograniczoną odpowiedzialnością sp.k. or another PwC entity which runs a recruitment process - list of entities: https://www.pwc.com/gx/en/about/office-locations/poland.html, with its registered seat in Warsaw (00-633), Polna 11 Street, („PwC” or “we”) will be the controller of your personal data submitted in your application for a job. Your personal data will be processed for the purpose of performing a recruitment process for the job offered. If you give us explicit consent, your personal data will be also processed for participation in further recruitment processes conducted by PwC and sending notifications about job offers in PwC or job related events organized or with the participation of PwC such as career fair. A full information about processing your personal data is available in our Privacy Policy.