Description

Key Responsibilities: 
 

• Develop and maintain ESP32 firmware using C/C++. 
   
• Build drivers and interfaces for fuel dispensers, tank gauges, sensors, and controllers. 
   
• Ensure firmware stability under challenging field conditions (network drops, power issues). 
   
• Implement MQTT-based publish/subscribe communication with cloud microservices. 
   
• Design efficient MQTT topics, payload formats, retry and reconnect logic. 
   
• Manage Wi‑Fi/Ethernet connectivity, TLS security, and offline/online states. 
   
• Ensure real-time performance, low latency control, and system reliability. 
   
• Handle concurrency, multi threading, RTOS tasks, watchdog timers, and fault recovery. 
   
• Diagnose and troubleshoot issues in live field devices. 
   
• Participate in onsite testing at petrol pump sites. 
   
• Collaborate with System Architects, Cloud/Microservices teams, and QA. 
   
   

Required Skills and Qualification 
 

• 5–8 years of experience in embedded systems development. 
   
• Strong hands‑on experience with ESP32 or similar microcontrollers. 
   
• Strong programming expertise in C/C++. 
   
• Experience with FreeRTOS or similar real‑time operating systems. 
   
• Understanding of multithreading, memory management, and concurrency. 
   
• Strong knowledge of MQTT protocol, TCP/IP networking, and TLS/SSL security. 
   
• Hands‑on experience with serial protocols: UART, RS232/RS485, GPIO, SPI, I2C. 
   
• Ability to interface with industrial devices and field hardware. 
   
• Experience working on production‑grade embedded devices. 
   
• Strong problem‑solving and debugging abilities. 
   
• Ability to work in field‑driven, real‑world environments. 
   
• Ownership mindset with good communication and teamwork. 
   

Good to have Skills 
 

• Experience in industrial automation, especially fuel systems. 
   
• Exposure to edge computing and gateway‑level processing. 
   
• Experience with OTA updates, device provisioning, or secure device onboarding. 
   
• Familiarity with embedded Linux (optional). 
   
• Knowledge of device monitoring, diagnostics tools, and reliability frameworks

Key Skills

Education

Bachelor's degree