I am a Computer Science undergraduate with a strong foundation in Core Java, OOP principles, and backend software development. I enjoy building Java-based applications, REST APIs, and secure authentication systems. I regularly practice data structures, algorithms, and object-oriented design to solve problems efficiently, and I am eager to contribute to enterprise-grade product development in a fast-paced environment.

Harsh Dagar

I am a Computer Science undergraduate with a strong foundation in Core Java, OOP principles, and backend software development. I enjoy building Java-based applications, REST APIs, and secure authentication systems. I regularly practice data structures, algorithms, and object-oriented design to solve problems efficiently, and I am eager to contribute to enterprise-grade product development in a fast-paced environment.

Available to hire

I am a Computer Science undergraduate with a strong foundation in Core Java, OOP principles, and backend software development. I enjoy building Java-based applications, REST APIs, and secure authentication systems.

I regularly practice data structures, algorithms, and object-oriented design to solve problems efficiently, and I am eager to contribute to enterprise-grade product development in a fast-paced environment.

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Experience Level

Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate

Work Experience

Backend & Software Development – Self Initiated at Self Initiated
January 1, 2024 - Present
Developed Java applications using OOPs principles, Collections, JDBC, and exception handling across multiple projects. Built and tested 10+ REST API endpoints with layered architecture (Controller, Service, Repository) and structured JSON responses. Implemented secure authentication workflows using hashing and RBAC; studied OWASP Top 10 vulnerability mitigation techniques. Created Postman test suites and documentation. Optimized multithreaded processing and improved performance for batch tasks.

Education

Bachelor of Engineering (B.E.) in Computer Science at Chandigarh University, Punjab
August 1, 2022 - June 1, 2026
Higher Secondary (Science) at Prince Academy of Higher Education, Sikar
January 1, 2021 - January 1, 2021
Matriculation at Golaya Progressive Public School, Palwal
January 1, 2019 - January 1, 2019

Qualifications

Security Principles (Coursera)
January 11, 2030 - June 21, 2026
Cyber Security Foundations (LinkedIn Learning)
January 11, 2030 - June 21, 2026
Networking & Cloud Computing (Coursera)
January 11, 2030 - June 21, 2026
Cyber Crime Investigation & Digital Forensics (Coursera)
January 11, 2030 - June 21, 2026
Python OOP (LinkedIn Learning)
January 11, 2030 - June 21, 2026
Advanced Python (LinkedIn Learning)
January 11, 2030 - June 21, 2026

Industry Experience

Software & Internet

Experience Level

Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate