Lev Pickovsky Email & Phone Number

San Mateo, Ca, Us

Foster City, California, Us

Developed analysis and recommendation systems for investment in electric power markets.Main technologies: Python, JavaScript, React, Java, Wolfram Mathematica.

Tel Aviv, Il

Tel Aviv, Il

- Developed a system for mobile app marketing providing first-boot real-time app suggestions on millions of mobile devices daily. Took part in developing most of the system’s 30+ AWS-based backend services.- Developed containerized backend microservices for ML-assisted real-time app suggestions, campaign lifecycle event tracking, customer CMSs, and user profile processing.- Took on the research and coaching efforts on Kafka during our system-wide transition to employing it.- Led the technical side of our team’s urgent transition to developing our system’s ML data pipelines: learned the necessary technologies, took ownership of the existing projects, coached our 6-person team and led the development efforts while collaborating closely with the data-science team.- Coached and mentored numerous teammates, helped establish development practices, conducted code and design reviews, researched and helped introduce new technology, and conducted hiring interviews.Main technologies: Node.js, Express, Kafka, Python, Flask, MySQL, Redis, Cassandra, MongoDB, Aerospike, DynamoDB, Redshift, S3, Docker, ECS, Sequelize, Jest, Pytest, Airflow, Spark.

New York, New York, Us

- Developed from scratch a system for mobile app user engagement. Participated in developing all of the system’s backend services as well as administering all of its infrastructure on the AWS cloud.- Developed scalable backend microservices for user events and profiles ingestion, real-time and batched user segmentation, sending of mobile app notifications and a customer CMS.- Led the transition to employing Feature Flags, which included the development of an in-house solution and guiding colleagues, as a necessary step towards CI/CD.- Took part in developing an Infrastructure as Code tool for automating system infrastructure management through CloudFormation and using Spot Instances for more than 50% machine cost savings.- Automated system resource provisioning for customer onboarding using scripts, turning an error-prone 1-hour manual process into a safe 10-minute automatic one.Main technologies: Ruby, Rails, Sinatra, RabbitMQ, MySQL, Redshift, Redis, Elasticsearch, Cassandra, S3, RSpec, Hive, Oozie, Elixir, WSO2 CEP, Capistrano.

Israel, Il

- Developed mission-critical military intelligence processing systems that interfaced with many similar systems using both proprietary and standardized communication protocols.- Executed complicated inter-system design, development, integration testing, deployment and maintenance.- Maintained and further developed a principal legacy client-server system programmed in Ada.Main technologies: Java, JBoss, SOAP web APIs, Ada, WebSphere MQ, Oracle DB, Hibernate, Maven, JUnit.