Ezhil P

Creative and passionate Software Engineer with 3 years of experience in designing and implementing innovative software solutions. Proficient in Python and Django framework, with additional experience in Golang, REST APIs, and DevOps. Skilled in databases like InfluxDB, PostgreSQL, and Redis, and technologies such as Kubernetes, Docker, AWS, and Jenkins. Experienced in API testing with Postman and messaging protocols like RabbitMQ. Proven ability to enhance system performance and resolve complex technical issues while collaborating effectively to achieve project goals.

Project 1: Cloud Network Management System (CNMS)

Description:
The Cloud Network Management System (CNMS) is a comprehensive application suite designed to simplify network access management. It offers robust tools for monitoring, tracking, and controlling device usage and configurations, while supporting multi-level management accounts for secure and role-based access.

Technologies:
RabbitMQ | Redis | Celery | PostgreSQL | Postman | Swagger | Kubernetes | Docker

Role Description:

• Integrated Swagger for interactive API exploration, enhancing the user experience.
• Successfully migrated the application to production, meeting deadlines with zero disruptions.
• Deployed and debugged services on cloud platforms using Kubernetes and Docker.
• Developed APIs and applications following SDD documentation and standards.
• Created detailed API flow diagrams and MOPs (Methods of Procedure) for feature implementation.
• Conducted root cause analysis to debug and resolve issues in QA and production environments.
• Wrote efficient SQL queries to process complex data for reporting modules.
• Designed and implemented Celery tasks for parallel processing, optimizing resource utilization and execution time.
• Leveraged RabbitMQ with MQTT protocol for device communication through statistics, ensuring efficient data exchange and improved device management.
• Designed and developed Dockerfiles to streamline backend application deployment.

Project 2: 5G SD-WAN Project

Description:
The 5G SD-WAN Application ensures secure and seamless connectivity for 5G devices. It optimizes network performance through split tunneling and policy-based routing, ensuring quality service for enterprise applications. Integrated with Zabbix, it enables monitoring of device metrics and facilitates remote configuration and management.

Technologies:
RabbitMQ | Redis | Celery | PostgreSQL | Zabbix | Syslog server | Wireguard | Postman | Burp Suite | nmap | SQL Injection | OWASP | PACU | Swagger | Docker

Role Description:

• Developed APIs and applications based on SDD documentation, ensuring high-quality deliverables.
• Created parallel processing tasks using Celery to improve operational efficiency.
• Integrated APIs with Zabbix for real-time monitoring of device metrics.
• Conducted comprehensive security testing using tools like Burp Suite, OWASP, nmap, and PACU.
• Implemented Swagger for intuitive API documentation and interaction.
• Automated test scripts using the Robot Framework, ensuring reliable application testing.
• Configured AWS services, including EC2 and IAM, for secure deployment and user management.
• Designed API flow diagrams and MOPs for streamlined feature implementation.
• Added backend support for an email notification system, dynamically generating emails using static HTML templates.

3: Inventory Management Project 

Description:
A web-based application designed to support production units, serving as a shop floor management system. It handles essential workflows, including shipments, binning, QC, shelving, and kitting processes, while seamlessly integrating with SAP systems.

Technologies:
Python | PostgreSQL | VM | Redis | Celery | On-premises | Linux | SAP | Locker Device

Role Description:

• Collaborated with clients to gather requirements and ensure successful implementation with the development team.
• Worked onsite in production units to understand and fulfill specific operational needs.
• Integrated the web application with hardware devices, such as printers and locker devices, over Wi-Fi.
• Coordinated with the SAP team to understand workflows and designed software to align with SAP integration.

4: RAN Intelligent Controller (RIC)

Description:
The RAN Intelligent Controller (RIC) is a 5G technology designed to enhance network functionality through real-time and near-real-time control and optimization. Deployed over existing 5G networks, RIC focuses on features such as traffic steering for seamless cell handovers and energy-saving xApps to optimize power consumption across network components.

Technologies:
Python | InfluxDB | GoLang | Redis | Kubernetes

Role Description:

• Developed a NetConf Server used for communicating between two servers, enabling efficient configuration management.
• Dockerized services to ensure efficient deployment and management of microservices.
• Created a microservice in GoLang to manage alarms for RIC, ensuring timely identification and resolution of network issues.
• Conducted R&D on new 5G features and implemented them according to industry standards.
• Performed code debugging and resolved critical bugs to maintain application stability.
• Researched and developed new features in alignment with evolving 5G requirements.