Skip to content
Back home

statebyte.dev / curriculum vitae

Omar El Sayed

Fullstack Developer

Fullstack Developer (Golang, TypeScript, Next.js, React)

@jobbyte · 11:00–17:00 Moscow time
@jobbytePreferred contact method · available 11:00–17:00 Moscow time
github.com/statebyte

Profile

I have been programming for more than ten years, with a recent focus on Golang and TypeScript. I am a T-shaped Middle+ engineer experienced in modern high-load web applications and services.

I work across frontend and backend development, API design, external service integration, and accessible responsive product interfaces.

Experience

Yandex

Backend Developer

January 2025 — August 2025, 8 months

Infrastructure team for the ya.ru home page and distribution tooling.

  • Quickly learned the internal Yandex ecosystem, including dozens of engineering tools and standards.
  • Implemented authorization, access control, and beta-stage mechanics for a new service.
  • Built and integrated a Playwright E2E testing service for ya.ru infrastructure, monitoring, and CI/CD.
  • Participated in critical release on-call rotations and resolved Site Production Incidents.
  • Developed internal search and distribution infrastructure tools that accelerated delivery automation.
Node.jsTypeScriptGolangSvelteFastifyPlaywrightYDBClickHouse.

Self-employment / StateByte

Software Developer

October 2020 — December 2024, 4 years 3 months

Project work completed alongside full-time university studies.

  • Integrated APIs from multiple payment providers.
  • Built and maintained administration panels for different systems.
  • Designed APIs for integrations with third-party services.
  • Developed Telegram Mini Apps and bots for software workflow automation.
  • Wrote Linux daemons and scripts, configured Nginx and Apache environments, and administered databases.
ReactVueTailwind CSSReduxViteAxios.RESTgRPCGraphQLGORMJSONJWT.GolangTypeScriptJavaScriptC#.

CYBERSHOKE

Gamedev Developer

December 2019 — June 2020, 7 months
  • Optimized code and database queries for infrastructure spanning more than 1,000 servers.
  • Developed new functionality and game mechanics.
  • Improved user experience and delivered features with monetization potential.
SourcePawnC++C#.

Company under NDA

Web Developer

September 2018 — July 2019, 11 months
  • Developed an MVC framework and custom e-commerce CMS.
  • Implemented ACL-based access control for CMS components.
PHPJavaScript.

Education

Defended a master’s thesis titled “Reliability Analysis of Algorithms for Detecting Text Content Generated by Modern Large Language Models (LLMs).”