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portfolio@derangula-hari-kumar
visitor@portfolio:~$whoami

Product-ready Software Engineer with a strong foundation in Java full-stack and Python development. Developed scalable backend services and REST APIs using Spring Boot to support real-time data processing and analytics. Contributed to the design of efficient database synchronization layers and secure authentication modules for distributed environments. Committed to delivering high-quality software solutions and data engineering pipelines while maintaining robust coding standards. Prepared to contribute to cross-functional teams and support end-to-end development cycles from API creation to deployment.

Bangalore, India
visitor@portfolio:~$> cat README.md

Product-ready Software Engineer with a strong foundation in Java full-stack and Python development. Developed scalable backend services and REST APIs using Spring Boot to support real-time data processing and analytics. Contributed to the design of efficient database synchronization layers and secure authentication modules for distributed environments. Committed to delivering high-quality software solutions and data engineering pipelines while maintaining robust coding standards. Prepared to contribute to cross-functional teams and support end-to-end development cycles from API creation to deployment.

visitor@portfolio:~$> experience --list
Software Engineer@Orno Technologies Pvt. Ltd.
Feb 2024 - Present[Bangalore, India]
  • Developed a real-time RFID processing engine using Java Spring Boot to handle high-volume data streams and sub-second updates.
  • Implemented high-performance REST API endpoints with centralized data synchronization for multi-zone status tracking and reporting.
  • Built secure role-based access control (RBAC) modules integrated with mobile One-Time Password (OTP) authentication to enhance overall system security.
  • Created flexible asset management operations to ensure data consistency across distributed backend components and microservices.
  • Collaborated on the design of database schemas in MySQL to support complex asset movement history and searchable audit logs.
  • Improved system reliability by implementing comprehensive error handling and logging for multi-antenna logic processes.
Software Engineer@Orno Technologies Pvt. Ltd.
Jun 2023 - Jan 2024[Bangalore, India]
  • Built a reliable Windows service in Python for USB and serial communication featuring automatic device detection and recovery logic.
  • Developed a PyQt6 desktop Graphical User Interface (GUI) for real-time monitoring, providing users with live status updates and device configuration tools.
  • Implemented fast Inter-Process Communication (IPC) via sockets between the GUI and backend service for a decoupled architecture.
  • Enabled seamless firmware interaction for reading and updating device states while maintaining robust error-handling protocols.
  • Participated in the creation of technical documentation for hardware-software integration to support future maintenance and scalability.
  • Tested and debugged communication protocols to ensure zero-downtime operation during critical hardware interaction cycles.
visitor@portfolio:~$> npm install --save-dev
+Programming: Java
+Python
+SQL
+C
+JavaScript
+Frameworks & Libraries: Spring Boot
+Spring Security
+PyQt6
+REST APIs
+WebSockets
+Backend & Systems: Microservices
+Multi-threading
+Socket Programming
+Inter-Process Communication (IPC)
+Data & Databases: MySQL
+PostgreSQL
+Data Synchronization
+Data Engineering Fundamentals
+Data Analytics
+Cloud & DevOps: AWS S3
+Git
+GitHub
+Linux
+CI/CD Fundamentals
+Maven
+Tools & IDEs: VS Code
+Postman
+STM32CubeIDE
+JTAG Debuggers
+Docker
visitor@portfolio:~$> cat /etc/education
B.Tech – Computer Science & Engineering
Siddartha Institute of Science and Technology, Puttur
Jan 2020 - Jan 2024
visitor@portfolio:~$> cat .contact
visitor@portfolio:~$echo "Thanks for visiting!"