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@todd-kazan @s21team

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bacek97/README.md

Vasiliy Kostin

Middle FullStack TypeScript Developer

Batumi, Georgia | TG, WA: +79003213841 | bacek97.github.io | linkedin.com/in/bacek97

Skills

  • Programming Languages: TypeScript, JavaScript, GAppScript, C, PostgreSQL, MongoDB (MQL)
  • Frameworks & Libs: React, Vue.js, Tailwind, shadcn/ui, AntD, MobX, Pinia, RxJS, Three.js
  • Tools & Platforms: Git, Webpack, Vite, Vercel, Docker, Kubernetes, Hasura, Deno
  • AI: Context Engineering, CLEAR, RAG, Milvus, Qdrant, OpenAI/Anthropic API, n8n

Projects

PDF Splitter + ConverterBot Bash, PowerShell.

  • Built with Bash for fast and lightweight PDF processing.
  • Detects blank pages to automate splitting.

URL Generator & QR Designer TypeScript, Vue.

  • An online movie filtering platform with advanced search functionality.
  • Implemented efficient search and filtering for quick access to movies.

VisaDaysCalculator TypeScript, React Native.

  • An online calculator for visa requirements for all countries.
  • Provides accurate visa info based on user nationality and destination.

iSparta TypeScript, NestJS, Hasura, GraphQL.

  • Search for stores offering the lowest price on goods.
  • Subscription to product price updates.

Experience

Startup for logistics March 2024 – June 2025 | 1 year 3 months

  • Position: FullStack Developer, remote, in a team of 2 members
  • Responsibilities: Research, design, development of the whole project in JS

Inango Kazakhstan | November 2022 – February 2024 | 1 year 3 months

  • Position: Software Engineer (embedded/backend), remote, in a team of 10 members
  • Responsibilities: Software dev in C, Go, Shell for custom OpenWrt-based network OS

Education

Alem School, Astana Hub, Kazakhstan | 2023

  • Focus: Go programming
  • Intensive, project-based program with a deep technical focus, teamwork, communication skills, and challenging deadlines in a daily on-site coworking space.

School 21, Kazan IT Quarter, SberTech, Russia | 2022

  • Focus: C, Backend, Frontend, DevOps
  • Intensive, project-based program with a deep technical focus, teamwork, communication skills, and challenging deadlines in a daily on-site coworking space.

Certificates

#Hackathon participant, #TechBlog author, #GithubPullRequests contributor.

Pinned Loading

  1. pdf_splitter_by_blanks pdf_splitter_by_blanks Public

    Программа для разбиения PDF в местах нахождения пустых страниц

    Shell

  2. s21_tetris s21_tetris Public

    Реализация эмулятора игровой приставки "Brick Game", способного динамически загружать различные библиотеки с играми

    TeX 4

  3. s21_decimal s21_decimal Public

    Реализация библиотеки s21_decimal.h без использования удвоенной памяти при расчётах

    C 2

  4. s21_calc s21_calc Public

    Реализация калькулятора на языке Си с использованием полькой нотации и рекурсивных функций в качестве стека

    C