Skip to content
View krishna3163's full-sized avatar
😀
Focusing
😀
Focusing
31 followers · 29 following

Achievements

Achievement: Pull Sharkx2Achievement: Starstruckx2Achievement: Pair ExtraordinaireAchievement: YOLOAchievement: Quickdraw

Achievements

Achievement: Pull Sharkx2Achievement: Starstruckx2Achievement: Pair ExtraordinaireAchievement: YOLOAchievement: Quickdraw

Block or report krishna3163

Block user

Prevent this user from interacting with your repositories and sending you notifications. Learn more about blocking users.

You must be logged in to block users.

Content in all repositories owned by your account will be closed.
Maximum 250 characters. Please don’t include any personal information such as legal names or email addresses. Markdown is supported. This note will only be visible to you.
Report abuse

Contact GitHub support about this user’s behavior. Learn more about reporting abuse.

Report abuse
krishna3163/README.md
Krishna Kumar - Java Backend Developer & Microservices Architect



Welcome to Krishna Kumar's Profile
Typing SVG

LinkedIn LeetCode GitHub Gmail Telegram Profile Views


Good Morning! 🌅  •  🕒 Current Time: 25 October 2026, 09:17 AM IST  •  🟢 Status: Open for Collaboration & SDE Roles


📄 File: CV.pdf (88.6 KB)  |  🗓️ Updated: October 2026  |  🔒 SHA: 68529d17


3D Profile Stats



⚡ About Me

  • 🎓 Education: B.Tech in Computer Science & Engineering @ Dr. A.P.J. Abdul Kalam Technical University (AKTU Lucknow, '27)
  • 📍 Location: Lucknow, Uttar Pradesh, India 🇮🇳
  • ⚙️ Core Specialization: Java Backend Architecture, Spring Boot 3 Microservices, RESTful API Design, and Relational Database Optimization (PostgreSQL)
  • 🧠 AI & LLM Integration: Building intelligent enterprise workflows with Google Gemini API for medical triage and automated assistance
  • 🧩 Algorithmic Discipline: Solved 100+ LeetCode problems in Java with strict Big-O time and space complexity standards
  • 🌟 Open-Source Impact: Creator and maintainer of open-source tooling suites with 250+ community stars
  • 🎯 Target Roles: Java Backend Developer Intern • Software Engineering Intern • AI/ML Developer Intern

🏛️ Core Engineering Pillars

🏛️ Pillar 🚀 Technical Focus 🛠️ Core Technologies
Backend Microservices Modular service decoupling, Spring Security 6 stateless JWT, and RFC-7807 error handling Java 17+ Spring Boot 3 Spring Security JPA PostgreSQL
AI & LLM Integration Enterprise workflows with Google Gemini API for automated symptom triage & smart assistants Google Gemini API Spring RestTemplate Prompt Engineering
Algorithmic Rigor 100+ LeetCode problems solved with strict Big-O time and space optimization Data Structures Algorithms JUnit Java Collections
Mobile & Tooling Android SDK background services, BroadcastReceivers, and system utilities Android SDK Java Shizuku Wireless ADB Linux



🎓 Academic Foundation

Dr. A.P.J. Abdul Kalam Technical University (AKTU)

Bachelor of Technology (B.Tech) in Computer Science & Engineering

🗓️ August 2023 – August 2027  |  📍 Lucknow, Uttar Pradesh, India


📚 Core Computer Science Coursework:

  • Data Structures & Algorithms (DSA) — Trees, Graphs, Dynamic Programming & Asymptotic Analysis
  • Database Management Systems (DBMS) — Relational Normalization, Indexing, ACID & SQL
  • Object-Oriented Programming (OOP) — SOLID Principles, Design Patterns & Concurrency
  • Operating Systems & Networks — Process Scheduling, Threading, Memory Paging & TCP/IP
 Campus Sunset



🛠️ Technical Arsenal & Ecosystem

Curated toolset honed across production architectures, backend microservices, and competitive problem solving.


💻 Programming Languages Java Python SQL JavaScript TypeScript C
⚙️ Backend & Architecture Spring Boot Spring Security JPA Microservices Node.js Express REST
🗄️ Databases & Persistence PostgreSQL MySQL MongoDB Supabase Firebase
🧠 AI, APIs & Cloud Gemini AI Socket.io Postman Razorpay
🛠️ DevOps & Developer Tools Git GitHub Docker Linux IntelliJ Maven



🚀 Flagship Production & Open-Source Projects

Real-world enterprise backend architectures, intelligent AI systems, and popular mobile tooling.


AI Healthcare System

🏥 AI Healthcare & Hospital Management System
Java 17 • Spring Boot 3 • Microservices • PostgreSQL • Gemini AI
  • Microservices Architecture: Decoupled services for auth, doctor directories, and queue bookings.
  • Doctor Discovery: Multi-parameter filtering by specialization, location, and gender.
  • Gemini AI Triage: Integrated LLM REST endpoints for automated symptom intake and guidance.
  • Security & Validation: Spring Security validation filters across all REST controllers.
View Project 		Focus Pet Android App

📱 Focus Pet – Productivity Android App
Java • Android SDK • Background Services • BroadcastReceivers
  • Pomodoro Focus Engine: Background countdown service with customizable acoustic alerts.
  • Distraction Interceptor: System BroadcastReceivers minimizing smartphone notifications.
  • Lifecycle Management: Resilient Android service lifecycles compliant with OS battery rules.
  • Theme Engine: SharedPreferences persistence supporting dynamic dark/light night modes.
View Project
Student Management System

🎓 Student Management System & REST Suite
Java 17 • Spring Boot 3 • Spring Security JWT • JPA • PostgreSQL
  • 3-Tier Architecture: Decoupled @RestController, @Service, and @Repository layers.
  • Role-Based Access: Spring Security 6 stateless filter chains (Admin vs Student access).
  • Database Optimization: Relational JPA mappings in PostgreSQL eliminating N+1 query overhead.
  • RFC-7807 Errors: Global @ControllerAdvice error handling with automated Postman tests.
View Project 		OpenDiscover & Android Tooling

🔍 OpenDiscover & Android Tooling Suite
TypeScript • React • Python Automation • Android Ecosystem
  • Open Source Discovery: Platform indexing trending developer utilities and open-source tools.
  • 180+ Stars: Curated ecosystem repositories (best_shizuku_apps 147★, best-root-apps 40★).
  • CI/CD Automation: GitHub Actions workflows auto-indexing APKs and upstream releases.
  • Technical Docs: Curated deep-dive guides for wireless ADB, debloating, and system permissions.
View Project



🧩 Algorithmic Discipline & LeetCode Metrics

Consistent daily problem solving in Java covering Arrays, Dynamic Programming, Graphs, and Trees.


🧩 230 Problems Solved

🏆 Global Rank: #736,926

🟢 Easy: 95 solved

🟡 Medium: 102 solved

🔴 Hard: 33 solved



🌟 Active Open-Source Repositories

Featured repositories with verified community engagement and stars.


📦 best_shizuku_apps_for_android_no_root

Curated Shizuku and no-root Android apps, wireless ADB tools, debloat utilities, p...

⭐ 150  |  🍴 8  |  🏷️ Python

📦 best-root-apps-for-android

Curated directory of Android root apps, Magisk, KernelSU, LSPosed modules, system ...

⭐ 43  |  🍴 1  |  🏷️ Python

📦 OpenDiscover

Open source project by Krishna Kumar

⭐ 38  |  🍴 0  |  🏷️ TypeScript

📦 GooglePhoto_Alternative

Open source project by Krishna Kumar

⭐ 34  |  🍴 1  |  🏷️ TypeScript



📊 GitHub Analytics & Contribution Skyline


GitHub Streak GitHub Stats



Top Languages by Repo Top Languages by Commit



3D Contribution Graph



🎖️ GitHub Official Achievements


Pull Shark Quickdraw YOLO Starstruck Pair Extraordinaire



github-snake



⚡ Live Activity Stream


Activity Repository Summary Date
🔨 Pushed 1 commit(s) krishna3163/OmniShizuku Update codebase 2026-10-24
🔨 Pushed 1 commit(s) krishna3163/best_shizuku_apps_for_android_no_root Update codebase 2026-10-23
🔨 Pushed 1 commit(s) krishna3163/best-root-apps-for-android Update codebase 2026-10-23
⭐ Starred repo krishna3163/OmniShizuku Saved to favorites 2026-10-24
🔨 Pushed 1 commit(s) krishna3163/OpenDiscover Update codebase 2026-10-23



💖 Community Wall & Supporters


💖 A heartfelt thank you to everyone who stars my repositories, follows my journey, and supports open source!


⭐ Stargazers Wall of Fame (1+ Supporters)

@Paavo00


👥 Community Followers (31+ Developers)

@standardgalactic @Paavo00 @Kos-M @Immanuel9567 @darmache @theBFGuk @AhmedDabish @Raajj-Kumar-Sah @rahuloraj @Jabaos @cool129 @S4IL21 @ApeNFTLover @RomanK2311 @Singh-Ujjawal @Jaytiwari052005 @shov0n-mux @Hare-Ram-Yadav @Gourav-kr-11 @shivrajsingh432 @Princekumar60090 @Tarundobhal @jaydev55678 @awady111 @DSQ2x @Saqquibkhan00 @sky1337x-cpu @romuluskopernikus13-cell @piyush3109 @2303630100089-lang @aHqeem69


⭐ Star any of my repositories or hit follow to be automatically featured on this wall!



🌍 Let's Connect & Collaborate

Feel free to reach out for software engineering opportunities, open-source projects, or tech discussions!


LinkedIn Gmail WhatsApp Telegram LeetCode GFG GitHub



“There are only two hard things in Computer Science: cache invalidation and naming things.” — Phil Karlton


Thanks For Visiting Krishna's Portfolio!

Pinned Loading

  1. best_shizuku_apps_for_android_no_root best_shizuku_apps_for_android_no_root Public

    Curated Shizuku and no-root Android apps, wireless ADB tools, debloat utilities, privacy tools, and root alternatives.

    Python 150 8

  2. best-root-apps-for-android best-root-apps-for-android Public

    Curated directory of Android root apps, Magisk, KernelSU, LSPosed modules, system tools, privacy utilities, and no-root Shizuku apps.

    Python 43 1

  3. OpenDiscover OpenDiscover Public

    TypeScript 38

  4. portfolio_website portfolio_website Public template

    TypeScript 1

  5. GooglePhoto_Alternative GooglePhoto_Alternative Public

    TypeScript 34 1

  6. Job-And-Internship-Application-Tracker Job-And-Internship-Application-Tracker Public

    Job & Internship Application Tracker Backend built with Java 17, Spring Boot 3, Spring Security, JWT, PostgreSQL, Docker, and Swagger UI.

    Java