Machine Learning Engineer
Current
Jul 2023 - Present
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Alexey Lopatin Email & Phone Number
Machine Learning Engineer (RecSys)
at
Constructor
LinkedIn matched
✓ Verified May 2026
3 data sources
Profile completeness 86%
Current company
Role
Machine Learning Engineer (RecSys)
Location
Amsterdam Area, Netherlands, Netherlands
Company size
Who is Alexey Lopatin? Overview
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Quick answer
Alexey Lopatin is listed as Machine Learning Engineer (RecSys) at Constructor, a company with 52 employees, based in Amsterdam Area, Netherlands, Netherlands. AeroLeads shows a matched LinkedIn profile for Alexey Lopatin.
Alexey Lopatin previously worked as Machine Learning Engineer at Constructor and Machine Learning Engineer at Aitu-Dala. Alexey Lopatin holds Bachelor'S Degree, Applied Mathematics And Computer Science from Higher School Of Economics.
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Constructor
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Profile bio
About Alexey Lopatin
SE & DS student / RecSys EngineerMy CV – https://apat1n.me/resume/
Current workplace
Alexey Lopatin's current company
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Constructor
4 roles
Alexey Lopatin work experience
A career timeline built from the work history available for this profile.
Machine Learning Engineer
+ Developed ETL pipelines for data processing using Airflow, Kafka and Postgres that deliver recommended items for millions of users every day+ Implemented dynamic config service and mini-AB platform for fast evaluating multiple experiments with new models+ Delivered to production a ranking model that improved CTR on the main page by ≈ 20%
Jul 2022 - Mar 2023
Machine Learning Engineer
+ Added YouTube-8M based category classifier to video recommendation system as part of the ranking model+ Implementation of graph model for user/item embeddings used as the candidates in recommendations+ Completed R&D in the field of duplicate video filtering service on hundreds of thousands of videos
Oct 2020 - Jun 2022
Machine Learning Intern
+ Improved quality metrics of recommendation system on films and series ≈ 3%+ Added validation of data at the daily ETL pipeline, which prevents a decrease in recommendations quality+ Made many AB experiments, e.g experiment of adding candidate generators from top makers, experiments of newseries rankers with various hyperparameters and objective functions
Feb 2020 - Jun 2020
Team & coworkers
Colleagues at Constructor
Other employees you can reach at constructor.io. View company contacts for 52 employees →
KK
Karlo Kotrba
Colleague at Constructor
Croatia, Croatia
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LA
Luis Alberto Aranda Gaona
Colleague at Constructor
Partido De Lomas De Zamora, Buenos Aires Province, Argentina, Argentina
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PB
Pedro Bustos
Colleague at Constructor
Buenos Aires Province, Argentina, Argentina
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HB
Haqverdi Behbudov
Colleague at Constructor
Spain, Spain
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SM
Syeda Mahwish Naqvi
Colleague at Constructor
Lahore District, Punjab, Pakistan, Pakistan
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SE
Salani Egoda
Colleague at Constructor
United States, United States
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CB
Cédrix Bradfer
Colleague at Constructor
Gembloux, Walloon Region, Belgium, Belgium
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DS
Dmitrii Shmyrev
Colleague at Constructor
Warsaw, Mazowieckie, Poland, Poland
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ДЧ
Діма Чорнобай
Colleague at Constructor
Lutsk, Volyn, Ukraine, Ukraine
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NG
Narek Gharibyan
Colleague at Constructor
Greater Munich Metropolitan Area, Germany
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Karlo Kotrba
Colleague at Constructor
Croatia, Croatia
View →
LA
Luis Alberto Aranda Gaona
Colleague at Constructor
Partido De Lomas De Zamora, Buenos Aires Province, Argentina, Argentina
View →
PB
Pedro Bustos
Colleague at Constructor
Buenos Aires Province, Argentina, Argentina
View →
HB
Haqverdi Behbudov
Colleague at Constructor
Spain, Spain
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SM
Syeda Mahwish Naqvi
Colleague at Constructor
Lahore District, Punjab, Pakistan, Pakistan
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SE
Salani Egoda
Colleague at Constructor
United States, United States
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CB
Cédrix Bradfer
Colleague at Constructor
Gembloux, Walloon Region, Belgium, Belgium
View →
DS
Dmitrii Shmyrev
Colleague at Constructor
Warsaw, Mazowieckie, Poland, Poland
View →
ДЧ
Діма Чорнобай
Colleague at Constructor
Lutsk, Volyn, Ukraine, Ukraine
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NG
Narek Gharibyan
Colleague at Constructor
Greater Munich Metropolitan Area, Germany
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3 education records
Alexey Lopatin education
Bachelor'S Degree, Applied Mathematics And Computer Science
Two-Year Additional Education In Data Science & Software Engineering Specialization, Data Science & Software Engineering
Bachelor'S Degree, Software Engineering
FAQ
Frequently asked questions about Alexey Lopatin
Quick answers generated from the profile data available on this page.
What company does Alexey Lopatin work for?
Alexey Lopatin works for Constructor.
What is Alexey Lopatin's role at Constructor?
Alexey Lopatin is listed as Machine Learning Engineer (RecSys) at Constructor.
Where is Alexey Lopatin based?
Alexey Lopatin is based in Amsterdam Area, Netherlands, Netherlands while working with Constructor.
What companies has Alexey Lopatin worked for?
Alexey Lopatin has worked for Constructor, Aitu-Dala, Vk.Com, and Yandex.
Who are Alexey Lopatin's colleagues at Constructor?
Alexey Lopatin's colleagues at Constructor include Karlo Kotrba, Luis Alberto Aranda Gaona, Pedro Bustos, Haqverdi Behbudov, and Syeda Mahwish Naqvi.
How can I contact Alexey Lopatin?
You can use AeroLeads to view verified contact signals for Alexey Lopatin at Constructor, including work email, phone, and LinkedIn data when available.
What schools did Alexey Lopatin attend?
Alexey Lopatin holds Bachelor'S Degree, Applied Mathematics And Computer Science from Higher School Of Economics.
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