Embedded Systems Engineer Internship in Mumbai

**Selected Intern's Day-to-day Responsibilities Include** * Develop firmware on Espressif Systems ESP32 using C/C\+\+, ESP-IDF, and Arduino to read sensors and drive actuators for climate control, irrigation, dosing, and horticultural lighting in the hydroponics farm * Build closed-loop control logic using PID and state machines for pH/EC dosing, HVAC, CO₂ control, humidity regulation, and LED photoperiod scheduling * Implement connectivity and telemetry features including MQTT sensor streams to the cloud, remote set-point handling, and reliable OTA firmware updates * Work on Linux SBC platforms such as Raspberry Pi and NVIDIA Jetson devices to aggregate ESP32 nodes, run local control as a cloud-down fallback, and expose local APIs using Python * Visit the farm to debug real hardware by scoping sensor buses, fixing misbehaving nodes, and deploying fixes on the same day * Own small subsystems end-to-end including wiring, firmware development, testing, and deployment on a live hydroponics farm About Company: Humankind must produce more food in the next four decades than it did in the last 8,000 years of agriculture combined. We are a purpose-driven startup working to reimagine farming from the ground up. At Cosy, we are committed to transforming cities into sustainable food landscapes by providing fresh, nutritious, and eco-friendly produce because the food we eat should be simple, clean, and, more than anything, tasty!