Konstantin Kovalev Email & Phone Number

Folsom, Ca, Us

United States

Contract via @Tempesta Technologies Inc. https://www.linkedin.com/company/tempesta-tech- Main target is to compare performance (QPS, TPS, CPU, iostat, to name a few) for different versions of the db (single node mode and in a cluster) to understand possible problems, bottlenecks, degradations, to name a few. The project is in progress - Designing, creating, testing, debugging, deploying systems and different services from scratch using Python on Linux platform with cloud AWS- Creating test performance framework and tools using Python under Linux platform- Creating deploying apps using Ansible and Terraform, that significantly reduced time for deploying process- Creating reports and plots using python libraries such as Pandas, NumPy, matplotlib, to name a few- Configuring and working with Prometheus and its exporters (MySQL exporter, Node exporter)- Configuring and working with Grafana- Configuring and working with HammerDB- Handling server configurations, networks, and various tools- Updating existed services improving performance and code quality- Providing detailed and comprehensive code reviews

Seattle, Washington, United States

- Participated in the company own projects (Tempesta FW and a test framework) and worked by contract for company clients- Designed, created, tested, debugged, deployed complex applications and different services from scratch using Python on Linux platforms with cloud AWS- Maintained and added new functionalities for applications and internal tools- Created different tests: unit, integration, regression, compatibility, to name a few- Worked deeply with TCP and HTTP networking protocols- Handled server configurations, networks, and various tools- Used linters in projects, significantly improving code quality, readability, and consistency while reducing the occurrence of errors- Setting up and scaling Continuous Integration (CI) pipelines using Jenkins- Provide detailed and comprehensive code reviews- Participated in open-source project- Participated in mentoring of teammates- Participated in job interview processes as an interviewer

San Jose, California, United States

- Designing, creating, testing, debugging, deploying complex distributed systems and different services from scratch using Python(Flask, aiohttp, boto, to name a few) on Linux and Mac platforms with cloud AWS (EC2, Lambda, RDS, DynamoDB, SM, to name a few)- Updating existed services improving performance and code quality- Creating generic applications, significantly helping for colleagues work- Handled server configurations, networks, and various tools- Providing detailed and comprehensive code reviews- Introduced linters into projects, significantly improving code quality, readability, and consistency while reducing the occurrences of errors - Participating in mentoring of teammates- Participating in open-source project

United States

Contract via @Tempesta Technologies Inc. https://www.linkedin.com/company/tempesta-tech- Designed, created, maintained, added new functionalities, tested, debugged a complex test framework for the S3 servers using Python on Linux platforms with cloud AWS. I have worked deeply with Python standard and system libraries, enabling me to iterate directly with the operating system, file system, and network, gaining insights into crucial processes behind the scenes- Maintained and added new functionalities for applications and internal tools- Contributed in development of S3 servers using C++, broadening my technical skill set further- Created different tests: unit, integration, regression, compatibility, to name a few- Worked deeply with TCP and HTTP networking protocols- Handled server configurations, networks, and various tools- Introduced linters in projects, significantly improving code quality, readability, and consistency while reducing the occurrence of errors- Setting up and scaling Continuous Integration (CI) pipelines using Jenkins- Implemented Docker to containerize applications- Provide detailed and comprehensive code reviews- Participated in mentoring of teammates

Moscow, Russia

- Created micro-services with Python (Django, aiohttp) on Linux platform, broker RabbitMQ, data processing Elastic Stack (ELK).- Created web servers using Python (Flask, aiohttp), PostgreSQL with SQL Alchemy and Alembic- Participated in the development of front-end components using VueJS- Handled server configurations, networks, and various tools- Set up Continuous Integration (CI) pipelines using Jenkins- Implemented Docker to containerize applications- Provide detailed and comprehensive code reviews

Los Altos, California, United States

- Created Web applications and APIs using Python (Django, DRF) on Linux with cloud AWS- Created back-end applications using Python, Redis, MySQL- Participated in development of front-end components- Analyzed data sets with Python: pandas, scikit-learn- Configured Docker containers