Hello I'm

Mrityunjay

Software Engineer & Java Developer.

Software Engineer @ Tweak Media 1 Year Backend Experience Spring Boot & Security

Software Engineer with 1 year of experience building high-performance REST APIs and backend systems using Spring Boot, Spring Security, and MySQL.

Strong foundation in Core Java, DSA, OOP, authentication architectures, and layered microservice design. Experienced in developing secure services, centralized exception handling, database optimization, and cloud fundamentals.

Mrityunjay
about

About Me

Software Engineer & Backend Specialist

Software Engineer with 1 year of professional experience building scalable REST APIs and modular backend architectures using Java, Spring Boot, Spring Security, and MySQL.

Currently engineering backend services at Tweak Media Pvt. Ltd (New Delhi), where I design layered RESTful services, implement request validation, centralized error handling, and optimize SQL database queries.

Graduated with a Bachelor of Technology in Computer Science (AI & ML) from Technocrats Institute of Technology & Science, Bhopal. Proficient in Data Structures & Algorithms (DSA), Object-Oriented Programming (OOP), authentication workflows (JWT/RBAC), and cloud fundamentals.

1+

Year Experience

10+

Projects Built

B.Tech

CSE (AI/ML)

100%

Production Focused

Career & Education

Work Experience & Education

August 2025 – Present

Software Engineer

Tweak Media Pvt. Ltd • New Delhi, India

Developing and maintaining enterprise-grade Java and Spring Boot REST APIs with MySQL, driving backend reliability, authentication security, and high-performance database interactions.

  • Developed and maintained Java, Spring Boot, REST APIs with MySQL, implementing request validation, security, centralized exception handling, and clean layered architecture.
  • Debugged and tested backend services extensively using Postman, optimized SQL queries for high performance, and managed project codebase with Git.
  • Designed secure endpoint authorization workflows, applied clean coding practices, and ensured transactional consistency across business-critical service modules.
Java Spring Boot REST APIs MySQL Spring Security Postman Git Layered Architecture
Aug 2021 – Aug 2025

Bachelor of Technology (B.Tech)

Technocrats Institute of Technology & Science • Bhopal, MP

Computer Science & Engineering with specialization in Artificial Intelligence & Machine Learning (CSE-AI/ML). Rigorous curriculum covering core computing paradigms, algorithms, and software engineering.

  • Comprehensive mastery of Data Structures & Algorithms (DSA), Object-Oriented Programming (OOP), and Database Management Systems (DBMS).
  • Studied Multithreading, Operating Systems, Computer Networks, Software Development Life Cycle (SDLC), and System Performance Analysis.
  • Applied AI/ML methodologies to practical systems, neural network image classification pipelines, voice automation, and modern full-stack web solutions.
CSE (AI/ML) DSA OOP DBMS Operating Systems Multithreading SDLC

Technical Expertise

Technical Skills

Backend & Frameworks

Core backend architectures, enterprise frameworks, and authentication mechanisms.

Spring Boot Spring MVC Microservices Spring Security JWT Auth Spring Data JPA Hibernate

Languages

Robust object-oriented, procedural, and scripting language foundations.

Java (Core & 17) Python C++ C JavaScript (Basics)

API & Integration

RESTful API design, request validation, error standards, and testing.

REST APIs JSON Postman API Testing OAuth Concepts RFC 7807 Exception Handling

Databases & Optimization

Relational and NoSQL schemas optimized for high query performance and integrity.

MySQL SQL MongoDB Schema Design Indexing Query Optimization

Cloud & DevOps

Containerization, caching, message queuing, and cloud infrastructure awareness.

Docker (Basics) Redis (Basics) AWS (IAM & EC2) CI/CD (GitHub Actions) Apache Kafka (Basics)

Tools & Workflow

Source control, build automation, Linux terminal scripting, and debugging.

Git GitHub Version Control Maven Postman Linux Bash

Core Computer Science

Fundamental engineering principles for building robust, maintainable software.

OOP DSA Multithreading DBMS SDLC Performance Analysis

Web & Frontend

Client interfaces, responsive styling, modern DOM scripting, and server templates.

HTML5 CSS3 JavaScript React.js (Basics) Thymeleaf

Portfolio

Latest Projects

AirFlux Airline Management & Booking Backend

AirFlux
Flagship Backend • Ongoing

AirFlux – Airline Management & Booking Backend

Java 17 • Spring Boot 4.x • Spring Security • MySQL • JWT

  • Developing a modular microservices-based airline backend using Java, Spring Boot, Spring WebMVC, Spring Data JPA, Hibernate, and MySQL.
  • Designed a multi-module Maven architecture with a shared common-lib for reusable DTOs, payloads, enums, exceptions, and API response structures.
  • Implemented JWT-based authentication and role-based authorization using Spring Security for SYSTEM_ADMIN, AIRLINE_OWNER, and USER roles.
  • Developed aviation master-data modules for cities and airports, including IATA codes, geographic coordinates, addresses, time zones, and validation.
  • Designed centralized API response and RFC 7807 error responses; currently expanding with API Gateway, OpenFeign, Docker, Redis caching, and Kafka.
AI Chatbot Backend Service

AI Chatbot
Spring Boot & LLM Service

AI Chatbot

Java • Spring Boot • REST APIs • JWT • LLM Integration • Postman

  • Designed and developed RESTful backend services using Spring Boot following clean layered architecture.
  • Implemented secure JWT-based authentication and authorization using Spring Security.
  • Applied strict request validation, centralized exception handling, and clean coding best practices.
  • Performed comprehensive functional and API testing using Postman across authentication, authorization, and workflow scenarios.
E-Commerce Project

E-Commerce
Full-Stack Enterprise

E-Commerce Web Application

Java • Spring Boot • Thymeleaf • MySQL • Spring Security • RBAC

  • Built a full-stack e-commerce platform with secure user authentication, role-based access control, product browsing, category management, and password reset via email verification.
  • Implemented role-based access control (RBAC) using Spring Security.
  • Designed MySQL schemas and optimized SQL queries for core business operations.
  • Debugged authentication, authorization, and transactional consistency issues through root cause analysis.
  • Conducted manual testing for authentication, product management, and user workflow scenarios.
Jarvis AI Project

Jarvis AI

Jarvis AI

AI Assistant • Automation • Voice

  • Built a virtual AI assistant capable of automating routine device tasks.
  • Integrated continuous voice recognition and natural language commands.
  • Added modular APIs to retrieve real-time weather, news, and system status.
Plant Diseases Detection

Plant Diseases Detection

Plant Diseases Detection

ML • Image Classification • Python

  • Trained a machine learning model to accurately identify leaf diseases.
  • Processed image datasets using convolutional neural networks (CNNs).
  • Created an endpoint for uploading field photos for real-time diagnostic results.
Text-to-Speech App

Text-to-Speech

Text-to-Speech

JavaScript • Web Speech API • Frontend

  • Designed a sleek and accessible web interface for text-to-voice conversion.
  • Leveraged the native Web Speech API for low-latency audio generation.
  • Included multiple voice profiles, pitch shifting, and speaking rate controls.
Just Chat

Just Chat

Just Chat

Real-time • WebSockets • Pub/Sub

  • Created a low-latency real-time chat room architecture using WebSockets.
  • Supported active user presence, typing indicators, and message history.
  • Built a responsive chat interface optimized for desktops and mobile browsers.
Financial Data Analyser

Financial Document Analyzer

Financial Document Analyzer

NLP • Parsing • Data Analysis

  • Automated the extraction of complex tables and metrics from PDF financial reports.
  • Utilized Natural Language Processing constraints for entity recognition.
  • Generated concise summaries and historical data visualizations for traders.
Category Product Management

Product Management System

Product Management System

CRUD • Spring Boot • Backend

  • Engineered a RESTful backend mapping complex category hierarchies.
  • Secured CRUD API endpoints using JSON Web Tokens (JWT).
  • Optimized database queries for fast retrieval of nested product catalogs.
2048 Game

2048 Game

2048 Game

JavaScript • Game Logic • CSS Grid

  • Cloned the famous tile-sliding puzzle game using Vanilla JavaScript.
  • Handled complicated matrix state transformations and win/loss logic.
  • Implemented smooth CSS transitions for merging and moving blocks.
Court Room

Court Room

Court Room

Project • Simulation • Java

  • Designed a judicial system simulation processing complex procedural workflows.
  • Integrated scheduling APIs to manage mocked hearing dates and dockets.
  • Provided robust logging and auditing trails reflecting real court systems.
Portfolio

Linktree Portfolio

Linktree Portfolio

Personal Branding • UI • Social

  • Curated a centralized link hub for recruiters and collaborators.
  • Ensured cross-device compatibility and rapid load times.
  • Optimized meta tags for improved search engine observability.

DSA Grind

LeetCode Solutions

00:00

Consistency

My Coding Activity

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