Harish M

Full Stack Java Developer with hands-on experience building scalable, secure web applications using Java, Spring Boot, Spring Security, MySQL and React.js, complemented by working knowledge of Python-based data science and NLP (Scikit-learn, TensorFlow, BERT). Skilled in RESTful API design, JWT authentication, database optimization and end-to-end feature delivery. Seeking a full-time Full Stack Developer role to build reliable, high-impact software at a fast-paced technology organization.

Java Full Stack Developer Intern at Besant Technologies (2025-08 – 2025-09)

• Built and tested backend modules using Spring Boot, Spring Security, Spring Data JPA and Hibernate integrated with MySQL databases.
• Designed and consumed RESTful APIs, validating endpoints using Postman for functional accuracy and reliability.
• Completed an intensive Java Full Stack Development internship, earning certification in enterprise application development.
• Designed and developed a scalable full-stack e-commerce application using Spring Boot and React.js.
• Implemented 15+ RESTful APIs with JWT-based authentication and role-based access control (RBAC).
• Optimized MySQL queries, improving application performance and reducing page load time.
• Integrated a secure payment gateway with robust error handling and logging.
• Developed responsive, user-friendly web interfaces, contributing to a 25% improvement in user engagement.
• Collaborated within Agile teams to deliver features on schedule within sprint timelines.
• Built an NLP-based news categorization system using LDA for topic modeling and TF-IDF for feature extraction.
• Applied text preprocessing techniques, including tokenization and lemmatization, to improve model accuracy.
• Visualized topic distributions using pyLDAvis and automated end-to-end classification of news articles.
• Developed independent Driver, Passenger and Booking microservices using Spring Boot, enabling modular scalability.
• Implemented OTP-based verification APIs to strengthen registration and login security.
• Applied global exception handling and request validation to improve API robustness and error transparency.

Web Development Intern at Codsoft (2025-08 – 2025-09)

• Developed responsive, user-friendly web interfaces, contributing to a 25% improvement in user engagement.
• Collaborated within Agile teams to deliver features on schedule within sprint timelines.

Data Analytics Intern at AICTE

• Built interactive dashboards using Python, SQL and Power BI to surface actionable business insights.
• Performed exploratory data analysis to support data-driven decision-making.

– Misrimal Navajee Munoth Jain Engineering College, Anna University (2022 – 2026)