Recommended expert
Tobias Reinerth
Senior Data Scientist
Experience
Sep 2024 - Present
1 year 5 monthsSenior Data Scientist
Lyft
- Improved error rate in Speed Limit elements from 24% to 8% by implementing an LLM pipeline on detected objects (with natural lower bound of 6% as image coverage is only 94%).
- Extensive ML modeling of Routing Cost Function (objective function, features, hyperparameters, training data generation) which led to setting the foundation for a rebuild of a more flexible setup.
- Initiated the first Prioritization Framework for Data Curation Ops ($2M annual organizational expenses) which moves away from daily quotas and now optimizes for ‘expected business value per time unit’, achieving around 5-7% efficiency improvement.
- Close collaboration with Software Engineering & Data Engineering as well as Product & Operations.
Jan 2022 - Jun 2024
2 years 6 monthsSenior Data Scientist
Gopuff
- Reduced network-wide Driver Cost per Order by around 8% through optimizing batching decisions via Objective Function.
- End-to-end ownership over modeling Wait Pay (for idle scheduled drivers) to balance demand and supply.
- Built the first production models for pickup & drop-off times to enable dynamic per-trip pricing.
- Improved both pre-order ETA & post-order ETA model accuracy via updated feature pipelines by around 10% and 25%, respectively and improved travel time accuracy for both cars & bikes via post-processing model by around 4% and 7%, respectively.
Jul 2020 - Nov 2021
1 year 5 monthsBerlin, Germany
Head of Data & Operations
GlassDollar
- Developed and implemented startup discovery rankings end-to-end from data acquisition to publishing.
- Quantified impact of clients' innovation projects with startups through business case calculation totaling over €50m.
- Recruited engineers, venture analysts, and sales staff - growing a remote-first team from 5 to 28 people within 15 months.
- Owned financial planning (for over €100k MRR) and maintained investor relations with 14 business angels.
Feb 2018 - Jun 2020
2 years 5 monthsMunich, Germany
Co-founder & COO
RideBee
- Implemented the matching & pricing algorithm for our ridesharing application using geospatial data.
- Translated tracking analytics of over 900 users into product roadmap (for iOS, Android & Web App).
- Owned financial planning and successful fundraising of 6-figure amounts.
- Acquired and onboarded SaaS customers totaling over €50k ARR.
Jan 2012 - Dec 2017
6 yearsData Scientist / Data Analyst
MTU Aero Engines; Bosch Siemens Home Appliances; Airbus; LV1871
Skills
- Gre Test: Quantitative Reasoning: 170/170, Verbal Reasoning: 154/170, Analytical Writing: 4.0/6.0
- Python (Esp. Pandas, Numpy, Matplotlib, Xgboost, Keras, Scikit-learn)
- Sql (Postgresql, Trino)
- Mixed-integer Programming Solvers (Gurobi, Fico Xpress)
- Aws
- Bigquery
- Mode Analytics
- Looker
- Snowflake
- Databricks
- Spark
- Dbt
- Interests: Sports, Reading, Meeting Friends, Traveling
Languages
German
NativeEnglish
AdvancedFrench
IntermediateEducation
Jan 2017 - Nov 2017
Collège des Ingénieurs
MBA · Paris, France
Oct 2014 - Dec 2016
Technical University of Munich
Master of Science · Mathematics in Operations Research · Munich, Germany · 1.2 on a scale of 1-5 (Top 5%)
May 2011 - Jul 2014
Technical University of Munich
Bachelor of Science · Mathematics · Munich, Germany · 1.6 on a scale of 1-5 (Top 10%)
...and 1 more
Certifications & licenses
Volleyball C-Level Coaching License
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