ru

About me

Aleksandr Aparin (mathematician, software engineer)

Leetcode stats

Proficient

  • JavaScript
    5 years
  • TypeScript
    5 years
  • React
    4 years
  • Redux
    3 years
  • Next.js
    3 years
  • Docker
    3 years
  • CI/CD
    3 years
  • HTML/CSS
    5 years
  • Node.js
    5 years
  • Git
    5 years
  • SQL
    1 year
  • TeX
    > 5 years

Work experience

Software engineer (Frontend)

OnClickAAugust 2023 - to present
  • Advertising integration into a website / webView / Telegram-mini-app
  • Optimized core app with vanilla JavaScript/TypeScript, reducing bundle size by 15–20%
  • Integrated SSR method, reducing TTFB and TTI by up to 40%
  • Built high-performance CRM Next.js/Redux/Rtk-query for real-time workloads
  • Designed a scalable architecture, improving build time and memory efficiency by 50%
  • Focused on system optimization and performance-driven development Docker, CI/CD

Frontend developer

Gazprom Innovation Laboratory (contract)June 2022 - August 2023
  • Develop personal accounts, customization of dashboards using react-chart.js
  • Create chat with AI bot to RAG using React, Redux/Rtq-query, HTTP-streaming
  • Building and configuring CI/CD pipelines and deploy with Git/Docker/Yandex.Cloud/Nginx
  • Restful API design

Web-developer, data analyst-developer

Yandex (part-time)2019 - 2022
  • Automatized downloading and a report about actions of participants using Python
  • Created interfaces to manage user data through multiple API
  • Web-application for internal voting using JavaScript, React, HTML/CSS

Data analyst-developer

National Research University Higher School of Economics (HSE)2019 - 2022
  • Participated in technical creation of the largest student competition «Я - профессионал»;
  • Created the methodological rules and taught to create contests in Yandex.Contest system, also concluded technical support, using Python, C++
  • Created and analized a report using pivot tables into Python, Excel

Education

Lomonosov Moscow State University (MSU)

Faculty of fundamental mechanics and mathematics. Department theory of probabilities2015 - 2021 (Master)

Lomonosov Moscow State University (MSU)

Faculty of fundamental mechanics and mathematics. Department theory of probabilities2021 - to present (PhD student)

Yandex frontend school

2023 - 2023 (student)

Science work

On the sojourn time distribution of a random walk at a multidimensional lattice point

Theory of Probability and Its ApplicationsOct. 2021

Hobbies

Psychology

Skiing

Finance

Crypto/Cryptocurrency/Smartcontracts