Data Scientist

PwC Polska; Warszawa; Hybrid; PLN 120,000 - 210,000; Full time

Benefits offered by this job

Hybrid work model

Mentoring & training support

Conference opportunities

Job summary

PwC Polska's FCU Technology team is seeking a Data Scientist to join over 100 IT specialists. You will manage data through its full lifecycle, apply data science methods to FinCrime challenges, and collaborate with clients to tailor solutions.

The role involves building automation with AI agents and ML models, mentoring juniors, and working in an agile environment with backend/frontend/DevOps teams. Hybrid work model with ongoing learning and conference opportunities.

Qualifications

• Minimum 1 year of experience in data science or R&D.
• University degree (preferred in statistics, econometrics, mathematics or computer science).
• Proficient knowledge in Python.
• Familiar with data science packages (pandas, polars, scikit-learn, Keras, PyTorch, LightGBM).
• Knowledge of Generative AI concepts (e.g. Prompt Engineering, RAG, AI Agents).
• Excellent written & spoken English.
• Creative and critical thinking skills.
• Curiosity and eagerness to learn about multiple business processes and disciplines.

Responsibilities

• Be part of the Data Science team and take data through its full lifecycle—research, exploration, preprocessing, development, integration and implementation.
• Engage in brainstorming sessions and develop prototypes or proofs of concept that utilize data science methods to tackle FinCrime-related challenges.
• Collaborate with other departments and clients to understand processes and tailor solutions.
• Create automation solutions based on AI agents, generative AI models and machine learning techniques.
• Contribute to the development of data science products from technical and sales perspectives (architecture, visuals, value drivers).
• Support junior and mid-level team members through mentoring and technical assistance.
• Participate in training, certifications, and conferences (as a speaker if you wish).
• Work in an Agile environment alongside Backend/Frontend/Low-Code Developers, DevOps, and Business Analysts.

Skills

Python

Data science

Generative AI

English proficiency

Education

University degree (Statistics / Econometrics / Mathematics / CS)

Tools

Pandas

Polars

scikit-learn

Keras

PyTorch

LightGBM

Job description

The FCU Technology team at PwC Polska includes over 100 IT specialists. The financial services industry operates in a challenging environment due to global economic pressures, increasing regulatory and capital requirements, and significant operational and technological changes. As FCU Technology, we provide innovative technological solutions, data analytics and consulting services for global PwC clients, responding to key challenges in the area of Anti Financial Crime (Anti Money Laundering, Combating Terrorism Financing, Fraud Risk Management, FATCA and implementation of financial sanctions, etc.).

Data Scientist

Your future role:

• Be Part of the Data Science (R&D) Team and Take Data Throughout Its Full Lifecycle - Research, Exploration, Preprocessing, Development, Integration and Implementation,
• Engage in Brainstorming Sessions and Develop Prototypes or Proofs of Concept That Utilize Data Science Methods to Tackle FinCrime-Related Challenges,
• Collaborate with Other Departments and Clients to Understand Processes and Come Up with Tailored Solutions,
• Create Automation Solutions Based on AI Agents, Generative AI Models, Machine Learning Techniques,
• Contribute to the Development of Data Science Products from Technical Perspective (Application Backend, Data Pipelines) and from Sales Perspective (Pricing, Solution Architectures, Visual Representation of the Concepts, Key Value Drivers),
• Support Junior and Mid-Level Team Members Through Mentoring and Technical Assistance,
• Participate in Training, Certifications, and Conferences (Also as a Speaker, if You Wish),
• Work in an Agile Environment Alongside Backend/Frontend/Low-Code Developers, DevOps, and Business Analysts.

• Minimum of 1 Year of Experience in Data Science or Research & Development,
• University Degree (Preferred in Statistics, Econometrics, Mathematics or Computer Science),
• Proficient Knowledge in Python Programming Language,
• Familiarity with Several Key Data Science and Machine Learning Packages (e.g., pandas, polars, scikit-learn, Keras, PyTorch, LightGBM),
• Knowledge of Generative AI Concepts (e.g. Prompt Engineering, RAG, AI Agents),
• Excellent Written & Spoken English,
• Creative and Critical Thinking Skills,
• Curiosity and Eagerness to Learn About Multiple Business Processes and Disciplines.

Nice to have:

• Knowledge and Experience in Relational Databases (SQL, Data Warehouse),
• Ability to Create Simple Proof of Concept Applications in Python (Streamlit, Poetry),
• Interest in Solving Problems and Addressing Business Challenges with Data and AI,
• Experience in Generative AI-Based Tools (LangChain, LangGraph, Vertex AI, Azure OpenAI, or Similar Technologies), or
• Experience in MLOps/DevOps Technologies (Docker, Kubernetes, REST API, CI/CD, Linux), or
• Experience in Cloud Solutions (Azure, AWS or GCP Preferred).

By joining us you gain:

• Work flexibility – hybrid working model (min. 2 days in the office per week), flexible start of the day, workation, sabbatical leave,
• Development and upskilling - our full support during onboarding process, mentoring from experienced colleagues, training sessions, workshops, certification co/financed by PwC e.g. (...) and conversations with native speaker,
• Wide medical and well-being program - a medical care package (incl. physiotherapy, discounts on dental care), coaching, mindfulness sessions, psychological support, education through dedicated webinars and workshops, financial and legal advice,
• Possibility to create your individual benefits package (a.o. lunch pass, insurance packages, concierge, veterinary package for a pet, massages) and access to a cafeteria - vouchers, discounts on IT equipment and car purchase,
• 3 paid hours for volunteering per month,
• Additional paid Birthday Day off,
• And when you start enjoying PwC as much as we do, you may recommend your friend to work with us.

Should you have any questions, please do not hesitate to reach out to us: [e-mail]. Please note that this email is not designated for application submissions.

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