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// Java Full Stack Developer · 3 Years Experience

VIJAY
SEN SINGH
YADAV

Results-driven engineer building scalable enterprise applications in Insurance & Policy Management. Oracle Certified. Turning complex requirements into clean, performant code.

Oracle OCA Spring Boot Angular AWS Microservices
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00 // What I Automate

Building Intelligent Systems

CI/CD Pipelines
Jenkins + AWS DevOps automated deployment pipelines for zero-downtime releases
API Automation
Microservices with Spring Boot handling 500K+ insurance policy records autonomously
Real-Time Processing
RxJS observables + live data streams for real-time form calculations and updates
Security Automation
Spring Security + JWT with automated RBAC enforcement across all API endpoints
Smart DB Queries
JPA/Hibernate optimized queries delivering 30% faster data retrieval at scale
01 // Technical Arsenal

What I Build With

⚡ Backend
Java 17 / Spring Boot95%
Microservices & REST APIs90%
Spring Security + JWT88%
JPA / Hibernate85%
🎨 Frontend
Angular + TypeScript90%
RxJS & Reactive Forms85%
HTML5 / CSS392%
Python / Django75%
🛠 DevOps & Tools
Jenkins CI/CDAWSDockerGit / GitHubJUnit / MockitoAgile / ScrumMySQLNoSQLPostmanIntelliJ IDEA
02 // Work History

Professional Experience

HCLTechJan 2025 – Present · Noida
Software Engineer – Full Stack · Insurance Domain
  • Architected microservices & REST APIs with Java 17 + Spring Boot for platform serving 500K+ policy records.
  • Spring Security + JWT RBAC — eliminated unauthorized access across all endpoints.
  • Optimized JPA/Hibernate queries — improved data retrieval by ~30%.
  • Full SDLC: requirements → code reviews → JUnit/Mockito tests → Jenkins CI/CD → AWS.
  • Maintained 95%+ on-time delivery across all Agile sprints.
LTIMindtreeSep 2023 – Jan 2025 · Pune
Software Engineer – Full Stack · Policy Management
  • Spring Boot API for PDF→HTML/Word conversion — 10,000+ documents/month.
  • Angular reactive forms with custom validators — reduced submission errors by 40%.
  • Reusable Angular component library — cut code duplication by 25%.
  • Lazy loading + modular architecture — improved page load by 35%.
  • Maintained 99.5% system uptime resolving critical production bugs.
High-Tech SolutionsJul 2022 – Dec 2022 · Delhi
Course Mentor Intern
  • Mentored 50+ students in Java, C++, Python & DSA — 90%+ satisfaction.
  • Designed project-based curriculum from core concepts to full-stack delivery.
03 // Build Log

Key Projects

↗ Click any project card to explore details

01
High-Tech News Portal
Java 17Spring BootAngularTypeScriptMySQLJWT
Full-featured news portal with RBAC, Spring Security + JWT, real-time search and category filtering.
Click to explore
02
Event Management System
JavaSpring BootAngularMySQLSpring Security
Multi-role platform with facility & event CRUD, booking workflows, and secure RBAC-enforced APIs.
Click to explore
03
Study Buddy — AI Learning
PythonDjangoMLJavaScriptBootstrap
Collaborative study platform with ML-powered personalized recommendations and real-time activity tracking.
Click to explore
04 // Credentials

Certs & Achievements

☕
Oracle Certified Java AssociateOCA Programmer — Java SE
🏆
HackerRank CertifiedJava · Python · Problem Solving
🎓
Java Full Stack DevelopmentShape My Skill
🤖
Machine Learning with PythonShape My Skill
🥉
Physics Olympiad — Bronze MedalNational Level
📐
National Mathematics ExhibitionParticipant
05 // Education

Academic Background

2022
B.Tech in Computer Science
Bansal Institute of Engineering & Technology, Lucknow
Aggregate: 84.32% — Top-tier department ranking
06 // Let's Connect

Get In Touch

Open to exciting roles, collaborations, and hard engineering challenges. Let's build something great.

✉Emailvijaytech0102@gmail.com 📱Phone+91 9336676262 💼LinkedInvijaytech0102 ⌨GitHubvijaytech0102
📍LocationDelhi, India