Nils Indreiten
Senior Data Scientist | Forecasting & ML Ops
Full-stack data scientist with 4+ years building production ML systems across forecasting, uplift modelling, and GenAI. Track record of shipping models that drive commercial outcomes, from < 10% MAPE forecasting across 10,000+ SKU-location combinations to causal uplift models serving £200M+ annual revenue streams. Strong foundations in statistical inference, experimentation, and MLOps on Databricks and Snowflake.
Skills
Experience
Data Scientist, Danone
October 2025 - Present
- Architected ML optimisation framework for the in-house forecasting system covering 10,000+ SKU-location combinations, with automated hyperparameter tuning and model selection achieving < 10% MAPE. Established MLOps best practices including MLflow experiment tracking and model versioning on Databricks.
- Deployed promotion uplift prediction models using causal inference techniques, serving batch recommendations for £200M+ annual revenue streams and integrated into commercial planning workflows.
- Built and deployed “Talk to Finance,” a conversational agent on Databricks Genie with hybrid retrieval (vector DB for policy docs alongside structured SQL tool-calling), used by Finance leadership for natural-language financial analysis and cutting ad-hoc analysis turnaround from hours to minutes.
- Technical lead on the forecasting platform, mentoring colleagues on deployment patterns and establishing model lifecycle standards across the team.
Skills: SQL, Machine Learning, Spark, Python, Git, Databricks, Snowflake, Agentic Orchestration
Data Analyst, Danone
June 2023 - October 2025
- Built scalable time series forecasting system using Nixtla on Databricks, achieving 10% MAPE across diverse product categories and processing 100K+ daily data points.
- Engineered production data pipelines and rebuilt financial reporting infrastructure tracking £200M monthly sales, cutting report generation time by 40% via optimised SQL and automated Databricks workflows.
- Developed Power BI dashboards for executive stakeholders, enabling data-driven decisions across commercial and finance teams.
Skills: SQL, Power BI, Python, Git, Databricks, Snowflake
Data Analyst, Sainsbury's
June 2022 - June 2023
- Developed predictive models for customer segmentation and campaign targeting using Python and SQL, supporting marketing initiatives with budgets ranging from £20K to £2M and driving measurable ROI improvements.
- Built automated reporting pipelines that increased team analytical capabilities by 20%, enabling faster insights delivery to commercial stakeholders.
- Executed 2-3 comprehensive analysis plans per financial period, combining statistical modeling with business intelligence to identify customer loyalty drivers and commercial opportunities.
Notable Project: Productionised a segmentation of the Argos customer base according to RFM principles
Skills: SQL, Python, R, Statistical Modelling, GitHub
CRM Analyst, The Gym Group
Oct. 2021 - June 2022
- Optimised Salesforce Marketing Cloud data architecture, enhancing analytical capabilities by 10% and enabling more sophisticated customer segmentation.
- Designed CRM performance dashboards tracking engagement KPIs (open rate, CTR, conversion) for 200+ gym locations, supporting data-driven marketing decisions.
- Conducted exploratory data analysis identifying upsell opportunities targeting 10K+ customers using statistical methods and behavioural pattern recognition.
Notable Project: Exploring and predicting customer conversion - A CRM oriented approach
Skills: Salesforce Marketing Cloud, Google Analytics, SQL, R
Education
MSc Consumer Analytics and Marketing Strategy, University of Leeds
Jan. 2021 - Jan. 2022
1st Class (Distinction)
Modules
Geographic Data Visualisation & AnalysisPredictive AnalyticsDigital Interactive MarketingMachine Learning in PracticeBig Data and Consumer AnalyticsApplied GIS and Retail ModellingMarketing Strategy
Thesis: Differences in Satisfaction with Plant-based Products- A Pan European Approach
BA, Management with Marketing, University of Leeds
Sept. 2017 - July 2020
1st Class (Hons)
Modules
Fundamentals of MarketingMarketing ResearchOperations and Supply Chain ManagementAccounting for ManagersConsumer Behaviour
Dissertation: The Effect of Congruity on Consumer Evaluation of Plant-based Eggs
Languages
English
Norwegian
Spanish
Arabic