Amruta Majmudar

S

Head of Data at Fern Systems · Fraud detection · rules engines, SQL

Fern Systems
Mumbai, India · IST (UTC+5:30)
12+ years experience
IIT Delhi
English, Hindi, Marathi
Hiring
Messaging unavailable

Overview

12 years in data science and analytics, the last 1 at Fern Systems, where I lead the trust & safety team. Cut false positives on payment blocks by 47%. Before that: Meesho and Uber. Most at home with SQL and Python. Yoga every morning.

Good reasons to reach out
  • Candidates for the role I'm hiring for
  • Second opinions on LightGBM decisions
Please don't message about
  • Survey or panel invitations
  • Courses and coaching offers

Travels often; replies within 48 hours

Skills
rules enginesSQLLightGBMPythongraph analytics
HiringHiring for a role
closes in 3 months

Looking for a data analyst who has worked on graph analytics at scale

Role
Data analyst
Level
Mid
Type
Full-time
Work mode
Hybrid
Compensation
₹36-70 LPA
Team
Trust & safety, 8 people
Start
Within a month
Must have
Strong SQL and statistics Turns analysis into decisions Comfort with ambiguity
Process
3 conversations, no take-home

Comp ₹36-78 LPA. We decide within ten days. Message me with one thing you shipped that you're proud of.

Mumbai, Indialightgbmrules enginespython
Open

Experience

  1. Head of Data
    May 2025 - Present
    Fern Systems · 1 yr 5 mo · Full-time · Mumbai, India
    • Caught $3 million of fraud in the first year of the new models.
    • Built the trust & safety models now used in 3 product decisions a quarter.
  2. Data Scientist
    Feb 2022 - May 2025
    Meesho · 3 yr 3 mo · Full-time · Mumbai, India
    • Taught SQL to 97 non-analysts.
  3. Data Scientist
    Feb 2019 - Feb 2022
    Uber · 3 yr · Full-time · Mumbai, India
    • Wrote the metric definitions the leadership team reviews every week.
    • Caught $5 million of fraud in the first year of the new models.
  4. Data Analyst
    Feb 2017 - Feb 2019
    SAP · 2 yr · Full-time · Mumbai, India
    • Cut false positives on payment blocks by 20%.
    • Taught SQL to 46 non-analysts.
  5. Data Scientist
    Dec 2014 - Feb 2017
    PhonePe · 2 yr 2 mo · Full-time · Mumbai, India
    • Caught $8 million of fraud in the first year of the new models.
    • Replaced 107 hand-built dashboards with one metrics layer people trust.

Projects

Write-up: fraud detection in practice
2022

A long-form guide to fraud detection for people starting out.

Side project: a recipe search engine
2022

Built with Python and rules engines. 450 people used it last year.

References

No references yet.

Education

  1. IIT Delhi
    B.Tech, Computer Science
    2010 - 2014

Details

Compensation expectations
What they are targeting for their next role.
Visible to connections
Direct contact details
Direct email and a scheduling link.
Visible to connections

Trusted Partners

Sponsored