Principal Engineer (Sr. Director Level)
CurrentSearch and Discovery lead, focusing on Large Language Modeling and ML Infra
Jul 2023 - Present
AeroLeads people directory · profile
Vijay Rajaram Email & Phone Number
Principal Engineer (Sr. Director)
at
Coupang
1 work email found
@twitter.com
2 phones found area 415
LinkedIn matched
✓ Verified Jul 2026
4 data sources
Profile completeness 100%
Current company
Role
Principal Engineer (Sr. Director)
Location
San Francisco, California, United States
Company size
Who is Vijay Rajaram? Overview
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Quick answer
Vijay Rajaram is listed as Principal Engineer (Sr. Director) at Coupang, a with 5 employees, based in San Francisco, California, United States. AeroLeads shows a work email signal at twitter.com, phone signal with area code 415, and a matched LinkedIn profile for Vijay Rajaram.
Vijay Rajaram previously worked as Principal Engineer (Sr. Director Level) at Coupang and Professional development at Career Break. Vijay Rajaram holds Master Of Science - Ms, Computer Science from Georgia Institute Of Technology.
Company email context
Email format at Coupang
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{first_initial}{last}@twitter.com
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AeroLeads found 1 current-domain work email signal for Vijay Rajaram. Compare company email patterns before reaching out.
Profile bio
About Vijay Rajaram
I currently work at Coupang as a Principal Engineer on Search & Discovery. Previously, I was at Twitter leading the Search Product and Recommendations Platform teams consisting of 100+ people. I am a product generalist who enjoys working at the intersection of distributed systems and machine learning, and I'm looking to build societally relevant products and learn a lot in the process. I have published papers on Real-time Event Detection https://dl.acm.org/doi/10.1145/3292500.3330689 and Deep Learning in Cardiology https://www.jacc.org/doi/abs/10.1016/j.jacc.2022.05.029.
Listed skills include Computer Science, Python, Javascript, Data Mining, and 15 others.
Current workplace
Vijay Rajaram's current company
Company context helps verify the profile and gives searchers a useful next step.
Coupang
8 roles
Vijay Rajaram work experience
A career timeline built from the work history available for this profile.
Professional Development
Career Break
Mar 2023 - Jun 2023
Systems And Ml Engineering Lead
* Group Lead for Twitter Search Product and Recommendations Platform teams. Focusing on setting up technical strategy for cross-team efforts, improving execution, and mentorship. Led modernization of Search product runtime and improvements across ML infra and modeling. * Shepherd for cloud adoption for ML and data processing across consumer productengineering org, partnering with large internal platform org.
May 2021 - Feb 2023
Systems And Ml Engineering Lead
* Co-architected a scalable, real-time event detection system that uses agglomerativeclustering to process over 3M+ entities per minute. * Published paper in KDD 2019: https://dl.acm.org/doi/abs/10.1145/3292500.3330689 and got approved patent: https://patents.google.com/patent/WO2020160186A1/* Technical Lead for team building a “0 to 1” product that grew to tens of millions of usersrapidly. Steward of projects such as scaling backend JVM systems, API development, GDPR compliance, and system performance optimization. * Productionized engagement and personalization models by working end to end (offline ML training to online ML infra)
Aug 2015 - Apr 2021
Software Engineer
* Built the first internal real-time anomaly detection system* Co-authored design and implemented internal tools and APIs for catching and testing data regressions* Successfully set up anomaly detection for multiple use cases at Twitter, including for key product metrics (e.g. DAUs) and application metrics (e.g. Hadoop node latency)* Migrated critical analytics jobs from Pig to Scalding
Aug 2013 - Jul 2015
Software Engineering Intern
* Analyzed client logs for data loss using MapReduce and discovered patterns behind data loss* Built out the email infrastructure for the Shopkick admin panel and tracked key email-related metrics
May 2012 - Aug 2012
Software Consultant
Guestassist
* Developed Twilio gateway servlets for SMS traffic.
Jan 2012 - Apr 2012
Software Engineering Intern
* Analyzed account sign-up information in order to determine correlations between abusive accounts and phone data while coordinating communication between vendors.* Developed an experimental binary classifier that achieved a benchmark result in false positive rate for flagging name violations.
May 2011 - Aug 2011
Team & coworkers
Colleagues at Coupang
Other employees you can reach at coupang.com. View company contacts for 5 employees →
DL
Daha Lee
Colleague at CoupangSeoul, South Korea, United States
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WL
Wang Liwei
Colleague at CoupangShanghai, China
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SJ
Sungtae Jang (장성태)
Colleague at CoupangGangnam District, Seoul, South Korea, Korea, Republic Of
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YK
Yeonsue Kim
Colleague at CoupangSeoul, South Korea, Korea, Republic Of
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CC
Chun-Wei Chang
Colleague at CoupangNew Taipei City, Taiwan, Province Of China
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SB
Seunghye Baek
Colleague at CoupangDaechi-Dong, Seoul, South Korea, Korea, Republic Of
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LW
Leon Warman
Colleague at CoupangSeattle, Washington, United States
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한
한정아
Colleague at CoupangSeongnam, Gyeonggi, South Korea, Korea, Republic Of
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이
이현희
Colleague at CoupangSeoul, South Korea, Korea, Republic Of
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SL
Sandy Liao
Colleague at CoupangTaipei, Taipei City, Taiwan, Province Of China
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Daha Lee
Colleague at CoupangSeoul, South Korea, United States
View →
WL
Wang Liwei
Colleague at CoupangShanghai, China
View →
SJ
Sungtae Jang (장성태)
Colleague at CoupangGangnam District, Seoul, South Korea, Korea, Republic Of
View →
YK
Yeonsue Kim
Colleague at CoupangSeoul, South Korea, Korea, Republic Of
View →
CC
Chun-Wei Chang
Colleague at CoupangNew Taipei City, Taiwan, Province Of China
View →
SB
Seunghye Baek
Colleague at CoupangDaechi-Dong, Seoul, South Korea, Korea, Republic Of
View →
LW
Leon Warman
Colleague at CoupangSeattle, Washington, United States
View →
한
한정아
Colleague at CoupangSeongnam, Gyeonggi, South Korea, Korea, Republic Of
View →
이
이현희
Colleague at CoupangSeoul, South Korea, Korea, Republic Of
View →
SL
Sandy Liao
Colleague at CoupangTaipei, Taipei City, Taiwan, Province Of China
View →
2 education records
Vijay Rajaram education
Master Of Science - Ms, Computer Science
Georgia Institute Of Technology
Bachelor Of Science (B.S.), Computer Science
Rice University
FAQ
Frequently asked questions about Vijay Rajaram
Quick answers generated from the profile data available on this page.
What company does Vijay Rajaram work for?
Vijay Rajaram works for Coupang.
What is Vijay Rajaram's role at Coupang?
Vijay Rajaram is listed as Principal Engineer (Sr. Director) at Coupang.
What is Vijay Rajaram's email address?
AeroLeads has found 1 work email signal at @twitter.com for Vijay Rajaram at Coupang.
What is Vijay Rajaram's phone number?
AeroLeads has found 2 phone signal(s) with area code 415 for Vijay Rajaram at Coupang.
Where is Vijay Rajaram based?
Vijay Rajaram is based in San Francisco, California, United States while working with Coupang.
What companies has Vijay Rajaram worked for?
Vijay Rajaram has worked for Coupang, Career Break, Twitter, Shopkick, and Guestassist.
Who are Vijay Rajaram's colleagues at Coupang?
Vijay Rajaram's colleagues at Coupang include Daha Lee, Wang Liwei, Sungtae Jang (장성태), Yeonsue Kim, and Chun-Wei Chang.
How can I contact Vijay Rajaram?
You can use AeroLeads to view verified contact signals for Vijay Rajaram at Coupang, including work email, phone, and LinkedIn data when available.
What schools did Vijay Rajaram attend?
Vijay Rajaram holds Master Of Science - Ms, Computer Science from Georgia Institute Of Technology.
What skills is Vijay Rajaram known for?
Vijay Rajaram is listed with skills including Computer Science, Python, Javascript, Data Mining, Machine Learning, Databases, Object Oriented Design, and Java.
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