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shekhar_warthi

Shekhar

@shekhar_warthi

Java Developer

India
English
About me
I am a Java Developer with internship experience in Java, Spring Boot, MySQL, and Microservices. I am experienced in building REST APIs, integrating third-party services, implementing security mechanisms, and working with AWS cloud services. I have a strong understanding of object-oriented programming, design patterns, and software development best practices.... Read more

Skills

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shekhar_warthi
Shekhar
Offline • 

See my services

API & Integrations
I will be your expert java spring boot backend developer
From$20 / projectMore details

Portfolio

Work experience

Software_Engineering Daily

Java Developer Trainee

Software Engineering Daily • Full-time

Jan 2026 - Mar 2026 • 2 mos

Worked as a Java Developer Trainee focusing on backend development and secure API integrations. Designed and implemented a robust Stripe Payment Gateway Integration System, enabling secure online transactions, end-to-end payment workflows, and event-driven architectures via webhooks. Developed scalable backend REST APIs using Java, Spring Boot, and Microservices architecture. Implemented advanced request validation layers (using Spring Boot JSR-380 validation framework and centralized @RestControllerAdvice exception handling) alongside a secure 3-phase validation approach utilizing HMAC authentication (HmacSHA256). Gained hands-on experience writing optimized SQL queries and managing data with MySQL. Followed industry best practices for version control using Git and adhered to clean service design patterns to ensure high application performance, fault tolerance, and reliability.