Priyanka Shrabanti Biswas

S

Director of Data Science, Airtel - PyTorch · recommender systems · Spark

Airtel
Kolkata, India · IST (UTC+5:30)
13+ years experience
IIT Madras
English, Hindi, Bengali
Co-founder
Messaging unavailable

Overview

13 years in data science and analytics, the last 3 at Airtel, where I lead the recommendations team. Shipped a ranking change that increased conversion 9.6%. Built the recommendations models now used in 9 product decisions a quarter. Before that: ITC and Reliance Jio. Most at home with PyTorch and recommender systems. Amateur photographer; mostly street and food.

Good reasons to reach out
  • People who want to build this with me
  • Questions about recommendation systems
  • Working sessions on Spark
Please don't message about
  • Crypto token projects
  • Generic networking requests
  • Courses and coaching offers

Travels often; replies within 48 hours

Skills
recommender systemsembeddingsSparkPyTorch
Co-founderLooking for a co-founder
closes in 3 months

Need an ML-focused co-founder: cross-border payouts in MENA

The idea
Need an ML-focused co-founder: cross-border payouts in MENA
Stage
Prototype
I bring
7 years in recommendation systems
Looking for
Operator who has scaled a team
Commitment
Full-time now
Location
Kolkata or remote

I bring 13 years of recommendation systems (currently Airtel). Ideally you've run operations in LatAm. Full-time from day one.

Kolkata, India · remote OKembeddingspytorchrecommender systems
Open

Experience

  1. Director of Data Science
    Mar 2024 - Present
    Airtel · 2 yr 7 mo · Full-time · Kolkata, India
    • Built the recommendations models now used in 10 product decisions a quarter.
    • Replaced 116 hand-built dashboards with one metrics layer people trust.
    • Moved the homepage from rules to a learned ranker.
  2. Analytics Manager
    Aug 2022 - Jan 2024
    ITC · 1 yr 5 mo · Full-time · Kolkata, India
    • Taught SQL to 88 non-analysts.
  3. Data Scientist
    Jul 2020 - Jul 2022
    Reliance Jio · 2 yr · Contract · Kolkata, India
    • Wrote the metric definitions the leadership team reviews every week.
  4. Data Analyst
    Mar 2017 - May 2020
    Swiggy · 3 yr 2 mo · Full-time · Kolkata, India
    • Wrote the metric definitions the leadership team reviews every week.
    • Moved the homepage from rules to a learned ranker.
  5. Data Scientist
    Feb 2014 - Mar 2017
    Razorpay · 3 yr 1 mo · Full-time · Kolkata, India
    • Shipped a ranking change that increased conversion 8.8%.

Projects

Write-up: recommendation systems in practice
2025

A long-form guide to recommendation systems for people starting out.

Side project: a habit tracker
2024

Built with recommender systems and PyTorch. 4220 people used it last year.

References

No references yet.

Education

  1. IIT Madras
    B.Tech, Economics
    2008 - 2012

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