Associate (Data Scientist) - London, Wroclaw
L.E.K. Consulting is a global strategy consulting firm that addresses the most critical commercial issues for the leaders of some of the world's most successful businesses.
About L.E.K. Consulting
Clients come to us time and again because we are proven to act as an insightful expert and a trusted partner. We are uncompromising in our approach to help clients make better decisions at crucial moments, changing the trajectory of their enterprise, delivering improved business performance and creating greater shareholder returns.
Our teams combine our core capabilities of research, benchmarking, modelling, data & analytics and strategy development to create game-changing insights and practical solutions that seize competitive advantage and unlock new growth opportunities. We enable clients to make critical decisions with greater certainty and empower them to master their moments of truth.
With more than 2,300 professionals located across five continents, L.E.K. specialises in Strategy and Mergers & Acquisitions (M&A) support with clients across the full range of corporates and private equity. We are expert in a wide range of industries, including Life Sciences and healthcare, retail and consumer, financial services, industrials, energy and transportation.
The Associate (Data Scientist) role
As an Associate (Data Scientist) you split your time roughly 50:50 between:
- Case delivery – embedded in consulting teams to solve live client questions with data science and advanced analytics; and
- IP & capability build – designing, building and shipping state of the art data science modules that are reused across the entire firm
You will be a fully-fledged member of both the
Consulting practice and the
Data & Analytics (D&A) team, enjoying the rapid learning curve of the Associate path while deepening your specialist technical expertise. The Associate (Data Scientist) role at L.E.K. offers exposure to multiple industry sectors and a wide variety of commercial and technical challenges. The nature and pace of L.E.K.’s strategic work facilitates the rapid development of your skill set in a collaborative and rewarding team-based environment. As you progress you will take on a significant level of responsibility and build your leadership skills.
- Frame business problems with case managers and client executives, translate them into analytical road-maps
- Deliver end-to-end analytical work-streams: data scoping, modelling, insight generation, presentation
- Build, test and document production ready ML models—from gradient boosted trees to GenAI and timeseries forecasting—packaged as internal Python packages or RESTful services.
- Build interactive front-ends (Tableau, Streamlit, Plotly Dash) so non-technical users can explore results intuitively
- Turn insights into actionable recommendations and present findings to clients;
- Contribute reusable components (feature engineering blocks, forecasting engines, GenAI pipelines) to our internal AI/ML toolkit
- Support business-development by shaping analytics in proposals and thought-leadership
Tech you’ll use (and learn)- Python
- SQL
- scikitlearn
- XGBoost
- TensorFlow/PyTorch
- LangChain
- Airflow
- dbt
- AWS/GCP/Azure
- Docker
- Kubernetes
- Tableau
- Streamlit
- GitHub Actions
- We’re tech agnostic and believe in using the right tool for the job—so expect to pick up new languages and frameworks quickly.
What We’re Looking For- Degree (2:1 or above) or Master’s in a quantitative field (Data Science, Computer Science, Engineering, Mathematics, Physics, Economics etc.)
- 0–2 yrs experience applying Python/SQL & core ML to real-world data sets
- Confidence explaining technical concepts to senior business audiences
- Intellectual curiosity, humility and a drive to take ownership
- Seeking candidates available for immediate start
What We Offer- Training: two-week Associate induction, monthly skills modules, pair-programming with senior data scientists, coaching from consultants, a dedicated development manager
- Progression: clear pathway to the Consultant (Data Scientist) role without needing to attain an MBA
- Immediate impact & ownership: your modules move to production
- Best of both worlds: startup build velocity + the resources, data access and client exposure of a top-tier global consultancy.
- Benefits: Competitive salary, profit share, pension, private healthcare, flexible working, tech allowance, and a vibrant social calendar.
Diversity and inclusion at L.E.K.
Here at L.E.K., we appreciate the value of a diverse and inclusive workforce and are committed to a culture that is inclusive and accepting of all people. Above all, we are committed to ensuring that all employees are treated with respect and dignity. L.E.K. Consulting is an Equal Opportunity Employer.
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