Rahul Mittal
New Delhi
Summary
Strategic Data Science leader with 9+ years of experience designing and deploying large-scale search and ranking systems. Proven track record of leading cross-functional teams to productionize ML algorithms that directly impact business KPIs. Specialize in Search Relevance, Learning to Rank, NLP, and Personalization.
Overview
9
9
years of professional experience
Work History
Associate Vice President Data Science
Naukri.com
Noida
05.2024 - Current
- Led a team of 6 to successfully implement new resdex search algorithm.
- Introduced AI verification layer for extensive testing of search algorithm modifications.
Lead Data Scientist
Naukri.com
Noida
05.2022 - 06.2024
- Led team of six to refine resdex search algorithm across eight segments.
- Developed segment-specific base ranker modules, increasing recruiter efficiency by 15%.
- Constructed ranking algorithms to enhance click-through rates for search engine results.
- Introduced query intelligence module to analyze user query intent effectively.
Senior Data Scientist
Naukri.com
Noida
01.2020 - 05.2022
- Deployed Supervised Learning to Rank algorithms, enhancing search relevance on Resdex.
- Achieved 7-10% increase in recruiter productivity through L2R Model.
- Captured recruiter preferences as vectors to facilitate personalized search results.
Senior Data Scientist
Vmock
Gurgaon
07.2017 - 12.2019
- Developed Skills Ontology with over 100,000 connections among 20,000 skills.
- Utilized Wiki Data and Freebase datasets to establish relationships within ontology.
- Employed Neo4j database to visualize ontology and derive insights from graph structures.
- Applied HITS Rank and PageRank algorithms to prioritize skills based on ontology.
Data Scientist
Vmock
Gurgaon
07.2016 - 07.2017
- Deployed Skills Detection Engine for resumes, identifying over 10,000 skills.
- Developed NER model utilizing CNN and LSTM architectures to detect 120 skill categories.
Education
B.Tech. - Mechanical Engineering
Indian Institute of Technology Delhi
Delhi06-2016
Skills
- Machine learning
- Data analysis
- Algorithm development
- Search engine optimization
- Natural language processing
- Team leadership
Timeline
Associate Vice President Data Science
Naukri.com
05.2024 - Current
Lead Data Scientist
Naukri.com
05.2022 - 06.2024
Senior Data Scientist
Naukri.com
01.2020 - 05.2022
Senior Data Scientist
Vmock
07.2017 - 12.2019
Data Scientist
Vmock
07.2016 - 07.2017
B.Tech. - Mechanical Engineering
Indian Institute of Technology Delhi
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