Robotics Software Engineer - ROS2 Specialist

CHEPURI NATRAJ

Robotics Software Engineer

* Narasaraopet, AP # *************@*****.*** +91-830******* § github.com/ChepuriNatraj ï linkedin.com/in/chepurinatraj Professional Summary

Final-year B.Tech ECE student (CGPA 8.70/10) focused on ROS2-based robotics systems, simulation workflows, and hardware-software integration. Hands-on experience building autonomous navigation and robotic manipulation pipelines us- ing ROS2 Jazzy, Gazebo Harmonic, Nav2, MoveIt2, and ros2_control. Experienced in TF debugging, URDF/XACRO modification, ROS-Gazebo middleware bridging, and ESP32-based simulation-to-hardware integration. Education

B.Tech, Electronics & Communication Engineering Expected 2026 Andhra University, Visakhapatnam CGPA: 8.70/10

Technical Skills

• ROS2 Ecosystem: ROS2 Jazzy, Nav2, MoveIt2, SLAM Toolbox, AMCL, ros2_control, TF2, RViz2, ros_gz_bridge

• Simulation & Robotics: Gazebo Harmonic, URDF, XACRO, robotic manipulation, waypoint navigation, obstacle avoidance

• Programming: Python, C++, C, Bash, Linux (Ubuntu 24.04)

• Embedded Systems: ESP32, Arduino Mega, PCA9685, serial communication, MQTT pipelines

• Vision & AI: OpenCV, YOLOv8, MediaPipe, ESP32-CAM

• Tools: Git/GitHub, colcon, VS Code, virtual environments, ROS2 terminal debugging Experience

Robotics Engineer Intern Aug 2025 – Feb 2026

Robotry (Remote)

• Built ROS2 Jazzy autonomous navigation workflows using Gazebo Harmonic, Nav2, SLAM Toolbox, AMCL, and RViz2.

• Structured reusable launch pipelines for mapping, localization, and navigation workflows.

• Debugged TF-tree inconsistencies involving map -> odom -> base_link transformations.

• Validated ROS2 communication and controller behavior using terminal diagnostics and RViz2. Robotics & Automation Intern Apr 2025 – Jun 2025

PGSN Soft Tech, Kakinada

• Worked on ROS2 communication workflows and TurtleBot3 simulations in Gazebo.

• Performed SLAM and navigation experiments using RViz2 and ROS2 debugging tools.

• Used Linux and Git/GitHub workflows for collaborative robotics development. Embedded Systems Intern May 2024 – Jun 2024

Teck Team Solutions, Visakhapatnam

• Developed an ESP32/Arduino-based smart greenhouse controller with automated irrigation logic and sensor integration.

• Worked with embedded sensor-driven control systems and hardware interfacing workflows.

• Presented engineering outcomes at the Platinum Jubilee Geophysics Expo to 200+ professionals. Projects

Dual-Mode Vision-Guided 6-DOF Robotic Arm

• Developed a ROS2 Jazzy + Gazebo Harmonic robotic manipulation pipeline integrating MoveIt2, ros2_control, and custom hard- ware interfaces.

• Built a complete URDF/XACRO-based 6-DOF robotic arm model with STL meshes and JointTrajectoryControllers.

• Implemented a custom ROS2 C++ hardware_interface communicating with PCA9685-driven servos through ESP32/Arduino serial pipelines.

• Integrated MediaPipe-based gesture teleoperation using webcam-driven joint mapping.

• Developed perception pipelines using YOLOv8, OpenCV, ESP32-CAM streaming, and MQTT-based teleoperation.

• Repo: Link

Squarobot Autonomous Navigation System

• Developed a ROS2 Jazzy + Gazebo Harmonic differential-drive robot simulation integrated with Nav2, SLAM Toolbox, and AMCL.

• Optimized URDF/XACRO collision geometries for stable Gazebo physics behavior.

• Configured ROS-Gazebo bridges for /scan, /odom, and /cmd_vel communication.

• Debugged TF-tree inconsistencies affecting LiDAR visualization and SLAM map generation.

• Implemented autonomous navigation, waypoint navigation, and obstacle avoidance.

• Repo: Link

Leadership & Technical Operations

Technical Head — SRUJANA 2026 State-Level Innovation & Technical Fest

• Led technical operations for a state-level innovation fest involving 202 teams across multiple events.

• Managed registration systems, logistics coordination, volunteer workflows, and participant data operations. Additional Leadership Roles

• Served as Class Representative for 3 semesters.

• Served as President of the Edumoon Career & Skills Chapter.

• Participated in NSS activities and volunteer coordination programs.

• Mentored juniors in ROS2 workflows and Linux-based robotics development. Awards & Recognition

• Awarded Best Outgoing Student — Department of Electronics & Communication Engineering (2026) during Andhra University Centenary Celebrations.

• Recognized for robotics development, technical leadership, and event operations.

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