Sumit Sidana
Senior Applied Scientist at Wolt
Berlin, Germany
Summary
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Senior🎓
Top SchoolSumit Sidana is a Senior Applied Scientist based in Berlin with nine years of experience building recommender systems, relevancy search, and NLP-powered personalization for high-scale consumer products. He holds a PhD from Université Grenoble Alpes where he published at SIGIR and RECSYS, contributed public datasets, and developed novel topic and deep learning models that addressed popularity bias in recommendations. At Wolt, Delivery Hero and Takeaway.com he moved from data scientist to senior applied scientist roles focused on ranking, contextual bandits and reinforcement learning to optimize user relevance and engagement. Sumit blends rigorous academic research with production-savvy ML engineering, shipping models that improve implicit-feedback prediction in real environments. He is comfortable spanning the full ML lifecycle—feature engineering, experimentation, and deployment—and has a track record of translating research insights into measurable product impact. A detail that often goes unnoticed: his PhD work included building benchmarks and datasets still useful to the recommender research community.
9 years of coding experience
11 years of employment as a software developer
Master’s of Technology in Computer Science and Engineering Computer Science, Master’s of Technology in Computer Science and Engineering Computer Science at International Institute of Information Technology (IIIT), Hyderabad, IndiaDoctor of Philosophy - PhD Computer Science, Doctor of Philosophy - PhD Computer Science at Université Grenoble AlpesBal Bharti Public School, PitampuraBachelor’s of Technology in Information Technology, Bachelor’s of Technology in Information Technology at Swami Vivekanand Institute of Engineering and Technology, Punjab, India
Github Skills (46)
pytorch9
autoencoder9
python9
machine-learning9
natural-language-processing9
nlp9
speech-recognition8
transformer8
sequential8
factorization8
deep-learning8
collaborative-filtering8
bert8
tensorflow8
transformers7
Programming languages (3)
Github contributions (5)
sumitsidana/RecSys-Diversity-PANDOR
Sep 2017 - Nov 2020
Contributions:15 commits, 8 pushes in 3 years 2 months
sumitsidana/NERvE
Apr 2017 - Nov 2020
Contributions:169 commits, 12 pushes in 3 years 7 months
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