cv.md

layout	title	author
cv	Ivan Tyshchenko	fullname photo position email phone github stackoverflow telegram skills experience education Ivan Tyshchenko link /assets/img/profile-photo.jpg Back-end developer [email protected] 380974242428 username ityshchenko link username https://stackoverflow.com/users/5644331/ivan-tyshchenko Tihon username TihonV name list Languages Python Javascript (ES6) Golang XMLPath/JSONPath SQL YAML Bash name list Backend Libraries & Tools FastAPI Django Flask aiohttp Bottle SQLAlchemy lxml Microsoft Playwright name list Frontend Libraries & Frameworks React Redux Vue d3js chart.js bootstrap name list Misc & soft-skills Agile/Scrum methodology organizational and communication skills AWS Cloud Developer Associate experienced in Azure Cloud experienced in bash, cURL and vim experienced in CAD/3D-printing experienced K8S/Docker user experienced with PostgreSQL and familiar with MongoDB name title time projects EPAM Lead Software Engineer Oct 2021 - Now Maintain the high-load application that implements OAuth2.0 (RFC 6749) Split high-load monolith parts and move them to AWS Lambda Improve observability of applications with AWS X-Ray & Athena Conducted code reviews and provided mentorship to junior engineers, improving code quality and best practices adherence Implemented CI/CD pipelines using Jenkins, Localstack, and Docker, which allowed to improve test coverage on cloud-related application parts Resolved critical production issues promptly, ensuring minimal downtime and improving customer satisfaction Collaborated with the DevOps team to set up monitoring and alerting systems, ensuring high availability and reliability Resource management improvement for applications to reduce GIL-locks name title time projects WePlay! Esports Python Sr. Developer Aug 2021 - Sep 2021 Reduce compute capacity requirements with serverless functions name title time projects WePlay! Esports Python Tech Lead Dec 2020 - Aug 2021 Add multi-arch and multistage build scripts to allow secure build services Migrate python services from x86 to aarch64 CPU arch Migrate 60+ services from Mesos-based cloud to K8S Integrate Sentry to improve service-mesh observability Integrate python-based-services with Vault by hashicorp Setup CI tools for python libraries Maintain API-proxy which provides aggregated data endpoints Implement S2S-asynchronous messaging via RabbitMQ Create CI/CD-tool to validate API-schema for all AsyncAPI exchanges Create high-load API for Twitch Extension name title time projects WePlay! Esports Python Software Engineer Feb 2019 - Nov 2020 Write crawling bots for different e-sports aggregators Data analysis for professional CS:GO tournaments Work on services with dynamic load (from 0 to 40k rps) Split monolith application to serverless functions or microservices Mantain JSON-API serialization library Create a library to seamless integration with spring-boot-based-gateway to get zero-downtime Separate shared service parts as common libraries Integration tool for a commercial competitive game to provide in-game data for third-party services API for game logs management The application for collect statistics from commercial competitive games name title time projects QALight Python Coach Oct 2018 - current Train and provide guidance on Python Course Mentoring students name title time projects LLC Center of Informational and Analysis Technologies Middle Web Developer Aug 2016 - Jan 2019 Train, manage and provide guidance to junior software development staff Maintain the existing applications Cooperate with managers and clients G2G Application for Ukrainian budget costs and earnings analysis and further planning Create API for the reporting system title time projects Junior Web Developer Aug 2015 - Aug 2016 Wrote public data analysis tool for the Ukrainian budget system Mantain corporate DjangoCMS-based blog Integrate Asterisk PBX with internal CRM Few tools for publishing data of the state budget name title time projects LLC Viva Top Group System Administrator May 2014 - Aug 2015 Creating scripts for automatic backup Wrote an internal service for notifying clients via e-mail years name spec 2015 - 2019 National Aviation University Information security management years name spec 2011-2015 College of Engineering and Management of National Aviation University Software development

Highly skilled and motivated Backend Engineer with 5+ years of experience in designing, developing, and maintaining robust and scalable software solutions. Proficient in a wide range of programming languages and technologies, with a proven track record of delivering high-quality code on time. Seeking a challenging role in a dynamic organization to contribute my expertise and drive innovation in the field of backend development.