Donor Three Sixty

Profile Title: Embedded Firmware Engineer

Location: Pune, MH

Company Profile:

Growloc Private Limited is a leading Agri-tech company in India specializing in IoT solutions for farm management. We empower farmers with innovative technology to optimize resource usage, improve yields, and ensure consistent quality produce. Backed by a team of passionate individuals, Growloc Private Limited is committed to creating a more sustainable and productive future for Indian agriculture.

Role Overview:

 We are looking for a strong Embedded Firmware Engineer with hands-on experience in STM32 H-Series (H7/H5) and F-Series (F4/F7) microcontrollers.

 This role involves developing performance-critical firmware for IoT edge controllers, smart irrigation systems, and industrial-grade sensor gateways.

Key Responsibilities:

• Develop production-grade firmware on STM32 H & F Series MCUs
• Work with STM32CubeIDE / HAL / LL drivers / CMSIS
• Design modular firmware architecture
• Implement multitasking using FreeRTOS
• Integrate:
• Implement industrial communication:
• Develop bootloader and secure OTA updates
• Optimize memory (Flash/RAM) and CPU utilization
• Handle real-time constraints and interrupt-heavy systems
• Debug using JTAG/SWD, logic analyser, oscilloscope

Required Skills:

• Strong C programming (bare-metal + RTOS)
• Minimum 2 years hands-on STM32 experience
• Experience with:
• Understanding of:
• Strong debugging capability at firmware + hardware level

Good to Have:

• Experience with high-performance MCUs (H7 dual core)
• Experience with external memory (QSPI / SDRAM)
• Cryptography / secure firmware signing
• Experience in field-deployed IoT devices
• Exposure to agricultural or industrial automation systems

What We Expect:

• Ability to independently own firmware for a device
• Clean, scalable code architecture
• Strong debugging mindset
• Comfortable working with hardware engineers
• Field issue troubleshooting ability
• Power optimisation
• Clock tree configuration
• MPU/FPU usage (especially in H-series)
• FreeRTOS task design
• DMA, Timers, ADC, PWM
• Interrupt-driven architecture
• RS485 (Modbus RTU)
• UART
• SPI
• I2C
• CAN (good to have)
• LoRaWAN (SX127x / SX126x)
• MQTT / MQTTS
• BLE provisioning

Profile Title: Software Development Engineer

Location: Pune Remote

Company Profile:

Growloc Private Limited is a leading Agri-tech company in India specializing in IoT solutions for farm management. We empower farmers with innovative technology to optimize resource usage, improve yields, and ensure consistent quality produce. Backed by a team of passionate individuals, Growloc Private Limited is committed to creating a more sustainable and productive future for Indian agriculture.

Role Overview:

 We’re looking for a MERN Stack Engineer (SDE-2) who’s passionate about building impactful products and believes in working smarter—with AI copilots, automation, and lean dev cycles. You’ll be part of a high-ownership team responsible for delivering full-stack features, writing testable code, and deploying to production with CI/CD.

Key Responsibilities:

• Build and maintain robust full-stack applications using MongoDB, Nest.js, React.js, and Node.js.

• Actively leverage AI tools (Copilot, ChatGPT, etc.) for faster development, documentation, and writing test cases.

• Write and maintain unit, integration, and end-to-end tests to ensure code quality.

• Own features end-to-end—from design to deployment using modern CI/CD workflows (GitHub Actions, Vercel, AWS).

• Collaborate with product, data, and hardware teams in a lean setup to ship fast and iterate often.

• Ensure performance, responsiveness, and scalability of front-end and backend systems.

Required Skills:

• 2–5 years of professional experience building products using the MERN stack.

• Strong understanding of frontend architecture (React Hooks, Context API/Redux).

• Proficiency in Node.js, Express, and MongoDB schema design.

• Familiarity with CI/CD tools, Git workflows, and cloud deployments.

• Experience with automated testing frameworks (Jest, Mocha, Cypress, etc.).

• Demonstrated use of AI-based coding assistants in real-world development workflows.

Good to Have:

• Exposure to IoT systems or integration with hardware devices.

• Experience working with LoRaWAN protocols and sensor data ingestion.

• Familiarity with WebSockets, MQTT, or real-time data processing.

• Background in agriculture, climate-tech, or rural tech products.

• Knowledge of TypeScript or serverless architectures.

Compensation: Best as per the market standards

At Growloc, we believe in purpose-driven technology. You’ll be part of a collaborative team working at the intersection of agriculture and innovation. If you're excited about building products that matter—and making a real-world impact—this is the place for you.