Alexey Grigorev

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A software engineer with focus on machine learning. I bring data science ideas from early prototypes to production. This includes problem identification, data collection, model creation, deployment and maintanance.


Contact information and links:



08.2017 — …
Simplaex, Berlin, Germany
Position: Data Scientist/Engineer

Simplaex is an adtech company, and we focus on two products: demand-side campaign optimization and supply-side yield optimization.

At Simplaex, I develop and maintain the infrastructure for running batch jobs and retraining our ML models on hourly basis.

In addition, I am involved in a number of projects, including

Scala, Python, Spark & PySpark, AWS, Luigi, Docker, JavaScript


10.2015 — 07.2017
Searchmetrics, Berlin, Germany
Position: Data Scientist

Searchmetrics is a SEO company which helps customers create better content and track the performance of their websites. At Searchmetrics I worked on multiple projects, including:

Python, Scikit-Learn, xgboost; Java; Lucene, Stanford NLP; Hadoop, Spark


04.2015 — 09.2015
DIMA Group at TU Berlin, Berlin, Germany
Position: Research Assistant

DIMA is a research group at TU Berlin that focuses on Big Data and Databases. At DIMA I worked on implementing Apache Mahout DSL for distributed Linear Algebra on top of Apache Flink.

Scala, Java; Apache Mahout, Apache Flink, Apache Spark


Summary of prior experience:





Technical reviewing:




2013 – 2015, IT4BI Master Program
Joint Master program by Université libre de Bruxelles, Université François-Rabelais de Tours and Technische Universität Berlin.
Specialization: Large-Scale Business Intelligence
Degree work: “Identifier namespaces in mathematical notation

2006 – 2010, Far Eastern State Academy
Department: Faculty of Mathematics, Information Technologies and Engineering
Specialization: Information Systems and Technologies
Degree work: “Commodity Circulation Process in Sterh Ltd.”

2006 – 2011, Far Eastern State Academy
Department: Foreign Languages
Specialization: English

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