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Sumer Tiwari

Sumer Tiwari

Java Developer

Maharashtra, India 80 · Excellent

About

Java Backend Developer with hands-on experience building database-driven applications using Core Java, Spring Boot, Spring Security, REST APIs, JPA/Hibernate, MySQL. Strong foundation in OOP, Collections, Multithreading, SQL, Authentication, and Backend Development. Experienced in developing secure REST APIs with JWT-based authentication, and integrating backend services with application frontends. Strong problem-solving skills with a focus on writing clean, maintainable, and scalable Java applications. Knowledge of AI/ML fundamentals and familiarity with Generative AI concepts.

Skills & Expertise (28)

REST APIs Advanced
8.2/10
5
Years Exp
Spring Boot Advanced
8.2/10
5
Years Exp
Spring MVC Advanced
8.0/10
5
Years Exp
Spring Data JPA Advanced
8.0/10
5
Years Exp
Spring Security Advanced
8.0/10
5
Years Exp
Core Java Advanced
8.0/10
5
Years Exp
OOP Advanced
8.0/10
5
Years Exp
Java 8+ Advanced
8.0/10
5
Years Exp
Hibernate Advanced
7.8/10
5
Years Exp
Android SDK Intermediate
7.5/10
3
Years Exp
GitHub Intermediate
7.5/10
3
Years Exp
Git Intermediate
7.5/10
3
Years Exp
Authentication & Authorization Intermediate
7.5/10
3
Years Exp
SQL Intermediate
7.5/10
3
Years Exp
MySql Intermediate
7.5/10
3
Years Exp
Collections Framework Intermediate
7.5/10
3
Years Exp
JWT Intermediate
7.5/10
3
Years Exp
Exception Handling Intermediate
7.0/10
3
Years Exp
Multithreading Intermediate
7.0/10
3
Years Exp
HTTP Intermediate
7.0/10
3
Years Exp
JSON Intermediate
7.0/10
3
Years Exp
Maven Intermediate
7.0/10
3
Years Exp
Postman Intermediate
7.0/10
3
Years Exp
Android Studio Intermediate
7.0/10
3
Years Exp
Activities Intermediate
6.5/10
2
Years Exp
Services Intermediate
6.5/10
2
Years Exp
Retrofit Intermediate
6.5/10
2
Years Exp
SQLite Intermediate
6.5/10
2
Years Exp

Work Experience

Java Developer

Tikito

Present - Present

Developed a full-stack event ticketing application using Java, Spring Boot, MySQL, REST APIs, and Android, supporting event discovery, seat selection, and ticket booking. Implemented JWT-based authentication and authorization using Spring Security to secure application access and API communication. Developed RESTful APIs for user authentication, event management, seat selection, and booking workflows. Implemented a seat-locking mechanism to prevent conflicting seat selections during the booking process. Integrated Spring Data JPA with a MySQL-compatible database and deployed the database on TiDB Cloud; used Cloudinary for event poster/image storage.

Education

M.Sc (Computer Science) - Brijlal Biyani Science College

2023 - 2025 · Afghanistan

B.Sc - Brijlal Biyani Science College

2020 - 2023 · Afghanistan

Higher secondary Education - Brijlal Biyani Science College

2019 - 2020 · Afghanistan

Secondary School Education - Bhawarilal Samra English High School

2017 - 2018 · Afghanistan

Certifications

No certifications added yet

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Profile Score Breakdown

📷 Photo 10/10
📄 Resume 10/10
💼 Job Title 10/10
✍️ Bio 10/10
🛠️ Skills 20/20
🎓 Education 10/10
⏱️ Experience 5/15
💰 Rate 0/5
🏆 Certs 0/5
Verified 5/5
Total Score 80/100

Profile Overview

Member sinceSep 2026