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Achievements

Achievement: Pull Sharkx2Achievement: Pair ExtraordinaireAchievement: Arctic Code Vault Contributor

Achievements

Achievement: Pull Sharkx2Achievement: Pair ExtraordinaireAchievement: Arctic Code Vault Contributor

Highlights

  • Pro

Organizations

@OishikStudio @CADers-KUET

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RHJihan/README.md

Md. Rifat Hasan Jihan

Software Engineer · Code Craftsman

Self-taught engineer with a background in mechanical engineering and a genuine passion for building software. I write clean backends, solve hard algorithmic problems, and contribute to open-source tools I actually use.

Tech Stack

Languages · C · C++ · Java · Python · Go · Kotlin · JavaScript · Bash
Backend · Spring Boot · Django · Hibernate · JPA · REST API
Databases · PostgreSQL · MySQL
Web · React · Thymeleaf · HTML/CSS
Tools · Git · Maven · Gradle · GNU/Linux · Docker

Experience

Technical Support Engineer @ Tekarsh Bangladesh Limited (Apr 2026 – Present)
Resolving complex application issues, contributing to bug fixes, API development, and cross-team escalation handling.

Featured Projects

Project Description Stack
MonoMart E-commerce backend API with RBAC, cart, and order workflows Java, Spring Boot, PostgreSQL, JWT
SecureFlow User management system with auth, session management, and observability Spring Boot, Spring Security, Thymeleaf
Linux Weather Bar Real-time weather & lunar data display for Linux with GTK4 config GUI Bash, Python, GTK4, OpenWeatherMap API
Solarized Facebook Browser extension applying Solarized dark theme to Facebook JavaScript, CSS

Open Source

HeliBoard — 29 merged pull requests: bug fixes, new features, and Bengali language support for this privacy-focused Android keyboard. (Java, Kotlin, Android SDK)

Localization — Bengali translations contributed to FlorishBoard, FUTO Keyboard, Simple Keyboard, and KeePassXC.

GitHub Stats

Popular repositories Loading

  1. solarized-facebook solarized-facebook Public

    Solarized color scheme for Facebook & Messenger.

    HTML 1

  2. Otobi_Keyboard Otobi_Keyboard Public archive

    Bangla Bijoy-like layout for PC and android.

    HTML

  3. rhjihan.github.io rhjihan.github.io Public

    portfolio website

    HTML

  4. RHJihan RHJihan Public

    Config files for my GitHub profile.

  5. HeliBoard HeliBoard Public

    Forked from HeliBorg/HeliBoard

    Java 2

  6. florisboard florisboard Public

    Forked from florisboard/florisboard

    An open-source keyboard for Android which respects your privacy. Currently in early-beta.

    Kotlin