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John Deere India Pvt Ltd

⬅️ Back Domain: Agricultural Machinery & Off-Highway Embedded Systems
Division: Electronics & Embedded Systems – Model-Based Development (MBD)
Type: Full-time / FTE
Interview Rounds: 2 Technical + 1 HR
Interview Mode: Online

Highlights: - Strong focus on Stateflow fundamentals and implementation - Types of charts: State transition, Flow charts, Moore/Mealy-based logic - Deep dive into event-driven logic, temporal logic, superstates, and substates - Integration of Stateflow with Simulink models and real-world ECU control applications

Sample Questions: - What is Stateflow? Why do we use it in embedded software design? - Differentiate between state diagrams and flow charts in Stateflow. - What are Entry, During, and Exit actions? Provide use-cases. - Explain the difference between Moore and Mealy type charts with an example. - How do you handle faults and recovery logic using Stateflow? - What is temporal logic in Stateflow? Use of after, every, and duration. - What are junctions? How are they used in decision-making logic? - How do you generate code from a Stateflow-integrated Simulink model?

🧪 Technical Round 2: Model Validation, Target Integration & Tools

Highlights: - Application of MATLAB/Simulink/Stateflow for control logic modeling - Discussion on Code Generation (Embedded Coder) for off-highway ECUs - Use of Model Advisor, MAAB rules, Polyspace, and MIL/SIL testing - Use of Jenkins and Git for CI/CD automation of model builds and reports

Sample Questions: - How do you validate your Stateflow model? - What tools do you use to verify model compliance to MAAB guidelines? - How do you deploy Simulink/Stateflow code on an actual controller (ECU)? - What types of test cases do you write for MIL/SIL testing? - How do you use scripting (MATLAB scripts) to automate model testing? - How do you manage configurations for multiple variants in models?

💼 HR Round

  • Standard discussion on:
  • Project experience and technical contributions
  • Willingness to relocate or travel to John Deere’s global offices
  • Understanding of agricultural domain vs automotive
  • Communication skills and cross-functional collaboration

🏁 Final Remarks

John Deere emphasizes: - Deep Stateflow proficiency, including design of complex hierarchical and parallel state machines - Hands-on MATLAB/Simulink modeling tailored for agricultural embedded systems - Strong integration skills — from modeling to testing to code deployment - Automation through scripting, tool customization, and test harness creation

A plus point: - Awareness of John Deere’s Product Development Process (PDP) - Collaboration with US/global teams on tractor ECU development - Use of Simulink Real-Time / Speedgoat / CANape for rapid prototyping and validation

🌾 John Deere, rooted in agriculture, expects you to bridge model-based design with real-world control systems — from engine control to hydraulics to autonomous machinery logic — where Stateflow plays a pivotal role in managing event-based, fail-safe, and multi-state logic.