Girdhari Thakur Girdhari Thakur

Girdhari Thakur

Java Backend Engineer specializing in high-concurrency Spring Boot microservices, RESTful API design, database query optimization, and AI-accelerated systems engineering.

Java & Spring
Core Specialization
O(L) Speed
Algorithm Optimization
6+ Projects
Full Stack & Systems
MCA (2023)
Computer Applications
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Engineering Strengths.

What I bring to high-performing engineering teams.

⚡

Backend & API Development

Architecting secure, stateless RESTful APIs using Spring Boot, Spring Security, JWT authentication, and Hibernate ORM with clean separation of concerns and sub-second latencies.

🛠️

Systems & Performance Tuning

Solving complex systems challenges including memory exhaustion caps (64KB header protection), background isolate multi-threading, dynamic slab calculations, and zero-latency O(L) Trie lookups.

🤖

AI-Assisted Accelerated Workflows

Leveraging modern AI development tooling to accelerate complex binary orchestrations (`yt-dlp`, `aria2c`, `FFmpeg`), rapid prototyping, and automated browser extensions.

Technical Skills.

Programming Languages

Core Java Python JavaScript Dart C++ Go SQL

Frameworks & ORM

Spring Boot Spring Framework Spring Boot MVC Spring Boot Security Spring Boot Cloud Hibernate Django Rest Framework React.js Flutter TailwindCSS Servlet

Databases & Tools

PostgreSQL MySQL MongoDB Git & GitHub Docker Maven Postman JUnit

Key Accomplishments.

  • ⚡
    NovaDL (Desktop Media Downloader): Engineered a multi-threaded Windows app using Flutter & Dart. Automated external binary execution (`yt-dlp`, `aria2c`, `FFmpeg`) with SQLite queue persistence and automated Edge WebView JavaScript focus patches.
  • 🛡️
    Nova Shield (Local Proxy & DNS Resolver): Built a high-speed proxy engine featuring an `O(L)` Double-Trie domain matching tree, background Dart isolate list compilation, DNS-over-HTTPS (DoH) resolution, and Android `VpnService` layer-3 routing.
  • 🐞
    Full-Stack Bug Tracker Platform: Architected role-based access control (RBAC) with JWT security, PostgreSQL pagination, and automated bug analysis workflows using Spring Boot & React.js.
  • 📰
    IDN Defense News Portal: Designed scalable MySQL schemas, RESTful article endpoints, and admin management dashboards delivering sub-second response times for high-volume content.
  • 📚
    Library Management API: Developed ACID-compliant transaction logic for inventory tracking, user loan histories, and dynamic fine calculation engines using Spring Boot JPA.

Education.

Master of Computer Applications (MCA)

Indira Gandhi National Open University

Graduated in 2023