Production Engineering

Hi, I'm Abinash Kar.

I design  

A software developer specializing in Spring Boot frameworks, database optimization, and high-performance microservices. I build reliable web apps with secure API gateways and role-based validation.

0 Projects Done
0 Skills Mastered
100% Dedication
Spring Server Console
8080/8081
01 / PROFILE

About Me

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SYSTEM.ONLINE
Abinash Kar
Bridging complex backend architecture with resilient system design and database performance.
Professional Summary

Detail-oriented MCA Candidate (2026 Batch) with a strong technical foundation in backend software engineering, object-oriented concepts, and relational databases. Aligned with modern development principles, I build robust, high-performance, and secure software components.

Equipped with hands-on experience in database management (MySQL), web technologies (JavaScript, React), and cloud deployment (AWS EC2/S3) to build full-spectrum, backend-focused software applications. A proactive problem-solver with strong algorithmic knowledge, excellent team collaboration skills, and a commitment to clean, well-documented code.

My Core Engineering Values

Performance First

Designing optimized database schemas and efficient algorithms for maximum throughput.

Robust Security

Securing URLs, endpoints, and data layers with custom role-based filters and encryption.

Clean Architecture

Writing maintainable, modular, and decoupled code following SOLID OOP guidelines.

02 / EXPERTISE

My Skills

Backend Development

Building robust server applications

Java Core & EE

Java 8/11/17, OOP paradigms, Multithreading, Streams, JDBC

Expert

Spring Boot & MVC

Spring Boot, REST APIs, Spring Security (JWT), LLD

Advanced

Hibernate & JPA ORM

Entity mapping, custom SQL queries, transactional safety

Advanced

Frontend Development

Building interactive user workflows

HTML5 & CSS3

Semantic layout grid structures, forms validation, responsive styling

Expert

CSS3 & Animations

Vanilla CSS design systems, Flexbox grids, keyframes transitions

Advanced

JavaScript & React

Modern ES6+ syntax, dynamic DOM interaction, basic React components

Advanced

Databases & Build Tools

Relational systems & orchestration

MySQL & MongoDB

Query optimization, index creation, relational schema designs

Expert

Git / Postman

Branching configuration, conflict resolutions, REST API endpoints testing

Advanced

Maven & CI/CD

Dependency mappings, compile build pipelines, GitHub Actions basis

Advanced

Completed Areas

Java Spring Boot APIs Relational Database Mapping Security Interceptors Configuration Invoice Generation Workflows Responsive Web Layout Design Version Control Pipelines

Currently Learning

Advanced Microservices AWS Cloud Deployments Docker Containerization TypeScript & React API Gateway Rate Limiting
03 / CASE STUDIES

Selected Work

Agritech & FinTech Enterprise
Assured Contract Farming System Preview

Assured Contract Farming System

A secure agricultural escrow and contract management marketplace connecting farmers and corporate buyers to guarantee pricing and prevent defaults.

Spring Boot Spring Security MySQL Tailwind CSS Chart.js
Enterprise System
Hotel Management System Landing Page Preview

Hotel Management System (HMS)

An enterprise-grade hospitality portal with a real-time booking channel manager syncing Airbnb, website, and offline walk-ins. Features a Gantt timeline scheduler and AJAX date-availability searches.

Java Spring Boot JSP MySQL
LMS Web Portal
Learning Management System Landing Page Preview

Learning Management System (LMS)

A full-featured academic platform with specialized portals and dashboards for Students, Faculty, and Administrators. Features course progress tracking, grading, and rich-HTML mass email broadcasting.

Spring Boot JSP Hibernate MySQL
System Gateway
Abstacframing Gateway Preview

Abstacframing (API Gateway)

An abstract API routing system serving as the centralized entry gateway. Leverages JWT authorization and discovery lookup setups.

Spring Cloud Eureka Client JWT auth Docker
JDBC transactions
Banking Portal Preview

Relational Banking Engine

A command-line and servlet integrated banking core resolving database queries, transfers verification, and account statements generation.

Java SE JDBC SQL JUnit test Log4j

System Architecture Flow: Abstacframing Gateway

Telemetry Status: Stream Listening
CLIENT PORTAL Browser / HTTP ABSTACFRAMING API Routing Gateway JWT Auth filter HMS PORTAL Hotel Subsystem LMS PORTAL Academic LMS AUTH REGISTRY Eureka Client
Gateway Registry REGISTERED
Active Interceptors 2 filters
Load Balancer ACID Pool
Routing Latency 0.4ms avg
04 / TIMELINE

My Journey

Education

2024 - 2026

Master of Computer Applications (MCA)

Gandhi Engineering College (Autonomous), Bhubaneswar

Acquiring a strong technical foundation in backend software engineering, object-oriented concepts, relational databases, algorithms, and secure enterprise application architectures.

2017 - 2020

Bachelor of Commerce (B.Com)

Chitalo Degree Mahavidyalaya, Jajpur

Acquired key foundations in analytical logic, calculations, data structuring, and computational math models.

Academic Projects

CONTRACT FARMING SYSTEM (CFS)

Spring Boot & React Developer

Central Project Milestone
  • Engineered a secure web platform managing contract agreements between farmers and buyers.
  • Configured Spring Security JWT stateless auth and Role-Based Access Control (RBAC).
  • Designed normalized MySQL database schemas for atomic transaction safety.
LEARNING MANAGEMENT SYSTEM (LMS)

Backend Developer

Academic Project
  • Developed RESTful APIs using Spring Boot and Hibernate ORM for enrollment management.
  • Implemented @RestControllerAdvice and custom Exception classes for standardized JSON error payloads.
  • Authored unit tests using Mockito mock injections to isolate service layers.
FULL-STACK E-COMMERCE PLATFORM

Developer & Cloud Deployment

Self-directed Milestone
  • Built a dynamic shopping cart experience with catalog searching and user authentication.
  • Provisioned backend microservices on AWS EC2 instances.
  • Integrated secure object storage using AWS S3 bucket endpoints.
05 / ENQUIRY

Contact Me

Let's collaborate on your next big idea!

If you are looking for a reliable, process-driven Java Developer to join your development team, or have an interesting system design project, feel free to reach out. I am available for full-time roles and freelance collaborations.

Phone / WhatsApp

+91 6372703563

Email Me

abinashkar019@gmail.com

Location

Bhadrak, Odisha - 756117