Graduate Engineer Trainee @ Varroc Engineering Ltd.

Bridging Mechanical Engineering with Robotics & IoT

Graduate Mechanical Engineer specializing in Industrial Automation, Embedded Systems (ESP32/ROS), Digital Kanban, and Poka-yoke implementations. Transforming physical manufacturing into smart factory ecosystems.

Bengaluru, KA LinkedIn GitHub Portfolio
Explore Projects
40%
Kanban Time Reduction
25%
Assembly Error Reduction
Top 1%
WBJEE Rank (872)
Kinematics_Visualizer.3d
Interactive
Drag to inspect 3D structure
Core Disciplines

Engineering Modern Automation

Combining traditional mechanical design principles with embedded software, dynamic control loops, and Industry 4.0 shop floor solutions.

Robotics & Embedded

Bipedal balancing PID feedback loops, ROS middleware, ESP32, Arduino, Raspberry Pi, and IMU sensor fusion.

ROS • RTOS • PID Loops

Industrial IoT & Industry 4.0

Digital Kanban inventory architecture, QR-based component verification, and automated Poka-yoke systems.

Digital Kanban • MQTT • Poka-yoke

CAD & Mechanical Design

SOLIDWORKS 3D modeling, AutoCAD drafting, GD&T (ASME Y14.5), tolerance stack-up analysis, and BOM creation.

SOLIDWORKS • ASME Y14.5 • BOM

CAE & Quality Methods

ANSYS FEA structural & CFD fluid dynamics simulation, DFMEA risk reduction, 7 QC tools, 8D problem solving, MSA.

ANSYS • DFMEA • 7 QC • 8D
Technical Capability

Skills & Tooling Matrix

Embedded Systems (ESP32, Arduino, Raspberry Pi, RTOS) 92%
PID Controllers, IMU Sensor Fusion, Hardware Debugging, RTOS
Industrial Protocols (ROS, MQTT, HTTP) 88%
Pub/Sub architecture, Broker Integration, REST APIs
Mechanical CAD (SOLIDWORKS, AutoCAD, GD&T) 90%
ASME Y14.5 Standards, Fits & Stack-up, Detail Technical Drafting, BOM
CAE & FEA (ANSYS Workbench FEA/CFD) 85%
Structural Stress FEA, Fluid CFD Analysis, Mesh Generation
Programming (C++, Python, SQL, JS React.js) 88%
Hardware C++, Data Analytics in Python, Database Queries, Node.js
Quality Methodologies (DFMEA, 7 QC, 8D, MSA) 86%
Risk reduction, Fishbone diagrams, Root Cause Analysis, Gage R&R

Engineering Competency Spectrum

Professional Track

Industrial Experience

Implementing lean, digital, and automated quality solutions in automotive manufacturing.

VARROC ENGINEERING LTD.

Graduate Engineer Trainee (GET)

Sep 2025 – Present
Digital Kanban System

Architected a real-time IoT Kanban system integrating SQL databases with a responsive dashboard, reducing manual inventory tracking time by 40%.

QR Bin Automation & Poka-yoke

Deployed an automated bin verification system using handheld and fixed scanners for error-proofing, reducing assembly material mismatch defects by 25%.

DFMEA & Quality Engineering

Prepared and maintained Design Failure Mode and Effect Analysis (DFMEA) documentation alongside cross-functional teams to mitigate potential assembly risks.

Industry 4.0 Collaboration

Bridged shop floor production requirements with IT and embedded system developments to streamline smart manufacturing objectives.

Engineering Portfolio

Featured Technical Projects

Robotics, assistive haptic interfaces, and 3D printing thermal research.

Robotics & AI

Smart Home Humanoid Robot

Developed a bipedal robot platform using active PID feedback loop control for dynamic leg balance.

  • Closed-loop PID balance tuning on uneven terrain.
  • Speech & Face Recognition using Python AI.
  • Custom Android app for smart home control.
Python PID Control Android OpenCV
Assistive Haptics

Interactive Haptic Controller

Wearable controller designed to allow disabled gamers to play 3D games using calibrated arm gestures.

  • Arduino micro-controller + MPU6050 accelerometer.
  • Muscle & movement vector gesture mapping.
  • Tested in 3D RPG environments (Unity).
Arduino C++ MPU6050 Unity 3D
Additive Mfg Research

FFF 3D Printing Thermal Optimization

Research on flexural strength behavior of 3D-printed parts under variable thermal extrusion conditions.

  • Extrusion temperature profile analysis.
  • FLIR thermal imaging & 3-point bending validation.
  • Optimized layer cooling rates for integrity.
FFF Printing FLIR Thermal MATLAB
Live Demonstrations

PID Balance & Digital Kanban Simulator

Adjust PID gains or consume assembly buffer stock in real time.

Bipedal Robot PID Balance Loop

Stable
IMU_BALANCER
Proportional Gain (Kp): 2.5
Derivative Gain (Kd): 1.2
External Tilt Disturbance: 0°

Smart Kanban Stock Dashboard

Live Link

Simulated SQL buffer bins for assembly line stock tracking. Click below to simulate part consumption.

A1
Fastener Assembly M6
QR: VAR-BIN-8829
42 / 50
NORMAL
B2
Sensor Housing Bracket
QR: VAR-BIN-9012
14 / 40
REORDER NEAR
[00:00] SQL MQTT Broker Connected successfully.
[00:01] QR scanner verified bin VAR-BIN-8829. Match OK.
Academic Background

Education

2021 – 2025

B.E. Mechanical Engineering

Jadavpur University, Kolkata

7.08 / 10 CGPA
2020

Higher Secondary (WBCHSE)

Basirhat Town High School

91%
2018

Secondary (WBBSE)

Basirhat Town High School

90%
Recognition

Key Achievement

West Bengal JEE Ranking

WBJEE Rank 872

Top 1% rank out of 100,000+ candidates.

Toolset & Environment

Linux (Ubuntu) Android Studio MATLAB Unity 3D Physics Advanced Excel & Power BI
Get In Touch

Contact

Available for Robotics, Industrial Automation, Embedded Systems, and Mechanical Engineering inquiries.

Email Address
avirupchakraborty247@gmail.com
Phone Contact
+91 8509068803
Location
Bengaluru, Karnataka, India
LinkedIn GitHub Website