PwC

Data & AI Junior Consultant

Belgrade Full time

Job Description & Summary

About the position 

 

We’re looking for an early-career Data Scientist / ML Engineer to help us design and ship practical, data-driven ML and GenAI prototypes. If you have strong fundamentals, hands-on projects or internships, and a passion for building with LLMs, this role is a great way to accelerate your growth while contributing to real product impact. 

 

We offer: 

 

  • Strong opportunities for professional and career growth 

  • A stable work environment that supports long-term planning 

  • Competitive compensation and benefits 

  • The chance to work with high-profile clients across Europe 

  • Excellent career development opportunities 

  • Mentorship, training, and clear development paths 

  • Modern tooling and a cloud-first stack 

 

 

Responsibilities: 

 

  • Clean, analyze, and prepare datasets; perform EDA and build baseline models 

  • Implement feature engineering; run model evaluation and simple A/B tests 

  • Develop GenAI and Agentic AI prototypes using LLM APIs and agent frameworks (prompting, embeddings, tool/function calling, basic RAG) 

  • Design and implement agent workflows: planning/execution loops, memory, tool integrations (APIs, databases), and multi-step/multi-agent orchestration 

  • Evaluate agent performance and reliability; define success metrics, add guardrails/fallbacks, and optimize for cost/latency 

  • Collaborate with engineers and analysts on data pipelines and dashboards 

 

Requirements: 
 

  • 0 - 2 years of relevant experience (internships and projects count) 

  • Bachelor’s or Master’s degree in Computer Science, Data Science, Statistics, Math, Engineering, or equivalent experience 

  • Willingness to learn fast, build usable ML/GenAI solutions, and grow with a supportive team 

  • Python: pandas, numpy, scikit-learn; basic scripting and unit testing 

  • SQL: joins, window functions, performance basics 

  • ML/DS: supervised learning, cross-validation, model metrics, handling missing/imbalanced data 

  • Visualization: Matplotlib/Seaborn/Plotly; clear storytelling with charts 

  • GenAI: experience with LLM APIs (e.g., OpenAI/Anthropic), prompts, embeddings; build simple RAG workflows 

  • Agentic AI: experience with agent frameworks and patterns (e.g., LangChain Agents/LangGraph, OpenAI Assistants, CrewAI, AutoGen); tool/function calling, planning loops, memory, multi-agent coordination; guardrails and evaluation best practices 

  • Tools: Git, notebooks, MLflow or Weights & Biases (basic usage); familiarity with LangChain/LangGraph or similar; tracing/observability for agent pipelines (e.g., LangSmith, OpenTelemetry) 

  • Cloud basics: familiarity with AWS/GCP/Azure services; using Docker locally 

  • Statistics fundamentals: hypothesis testing, confidence intervals, experiment design basics 

  • Communication: clear writing, documenting, and presenting results 

 
 

Nice to have: 

  • PyTorch or TensorFlow; LoRA/PEFT familiarity 

  • Vector databases (FAISS, Pinecone, Weaviate); Elasticsearch/OpenSearch basics 

  • Data warehousing (Snowflake/BigQuery/Redshift); dbt basics 

  • Orchestration (Airflow/Dagster) and simple CI/CD 

  • BI tools (Looker/Tableau/Power BI) 

  • Portfolio: GitHub, Kaggle, blogs, or open-source contributions 

  • Previous consulting experience 
     
     

 

 

If you meet the qualifications listed above and are eager to advance your career in our exceptional work environment, we encourage you to submit your application by 24.12.2025. 

 

We are for all. Through our strategy, we are focused on fostering a culture of belonging and equity where a diverse community of solvers can thrive and feel like they truly belong. 

 

PricewaterhouseCoopers d.o.o. Beograd or PricewaterhouseCoopers Consulting d.o.o. Beograd, which runs a recruitment process, with its registered seat in Belgrade, Omladinskih brigada Street no. 88a („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. Full information about processing your personal data is available in our Privacy Policy. 

About the Team  

We’re a fast-growing, cross-functional Data & ML group focused on turning data and GenAI (including Agentic AI) into reliable, user-ready solutions. Our work spans EDA and baseline models, RAG pipelines and agent workflows, through to cloud productionization. We partner closely with product and engineering and support highprofile clients across Southeast Europe. You’ll join a supportive environment with mentorship, clear development paths, and a strong culture of code reviews, experimentation, and measurable impact. 

What we value:

  • Client-centered communication: explain complex problems and solutions in simple, business-first language; structure insights into executive-ready narratives, slides, and demos 

  • Practical innovation: start simple, iterate quickly, measure outcomes 

  • Engineering rigor: clean code, reproducibility, observability, and MLOps 

  • Responsible AI: safety, privacy, guardrails, and evaluations 

  • Collaboration and ownership: tight teamwork with clear accountability 

  • Continuous learning: regular knowledge sharing, pair sessions, and training