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Achievements

Achievement: Pull Sharkx3Achievement: Pair ExtraordinaireAchievement: QuickdrawAchievement: YOLO

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Lion6477/README.md

Backend Engineer • Java/Spring & Python
APIs • integrations • PostgreSQL • Docker • Prometheus
🇺🇦

serhiikushnerov@gmail.com · LinkedIn · Telegram

“Production is a feature, not a place.”

🧠 What I do (aka “why production is not on fire today”)

  • Build boringly reliable backend services: REST APIs, integrations, background jobs.
  • Keep things observable: metrics-first (Prometheus), logs, and fast root-cause debugging.
  • Prefer explicit constraints: timeouts, retries, rate limits, safety caps.

🧰 Tech I actually use

  • Java: Spring Boot, Hibernate/JPA, OpenAPI/Swagger
  • Python: FastAPI, asyncio, collectors/integrations
  • Data: PostgreSQL, MySQL, Redis
  • Infra: Docker, Compose, Git
  • Observability: Prometheus exporters/metrics (TPS/MSPT enjoyer)

🕹️ Side quest

  • Minecraft plugins/mods (multi-version / multi-loader, performance tooling)

Pinned Loading

  1. SKUA SKUA Public

    1. Sorts files in the selected folder by their extension. Unrelease:2. Copy files and forlders from folder to folder in one click.

    Java

  2. Team-Maksym/backend Team-Maksym/backend Public

    Java 2

  3. SK-file-sender SK-file-sender Public

    Simple file sender using local web (also can be emulated)

    C#

  4. TelegramBotFeedbackForServiceStations TelegramBotFeedbackForServiceStations Public

    Telegram Bot Feedback For Service Stations

    Java

  5. MsptMetricsMod MsptMetricsMod Public

    Java