Senior Software Developer

Senior Software Developer - RFBytes Private Limited

Date Posted: Feb 21, 2026

Job Detail

Location:

Pune, Maharashtra, India
Company:

RFBytes Private Limited
Type:

Full Time/Permanent
Shift:

First Shift (Day)
Career Level:

Experienced Professional
Positions:

2
Experience:

3 year
Gender:

Rather Not to say
Degree:

Diploma

Email to Friend Add to Favourite

Job Description

ESP32 IoT Firmware Developer Profile

Experience: 5+ Years

Professional Summary

A highly skilled IoT firmware developer with over 5 years of hands-on experience in designing, developing, and deploying ESP32-based IoT devices for industrial and mission-critical applications.

Core Technical Skills

Embedded Hardware & Platforms

ESP32 (ESP32-WROOM, ESP32-S3, ESP32-C3)
STM32, AVR (working knowledge)
RS485, RS232, UART, SPI, I²C, CAN
ADC, DAC, PWM, GPIO, RTC, Watchdog

Firmware & Software

Embedded C / C++
ESP-IDF & Arduino Framework
FreeRTOS task design and optimization
Bootloader, OTA firmware updates
Low-power optimization and sleep modes

Connectivity & IoT Protocols

Wi-Fi, BLE, BLE Mesh
4G/LTE modules (SIM7600, SIM7070, EC200/EC25)
MQTT, HTTP/HTTPS, TCP/IP
Kafka-based messaging integration (via gateways)
Cloud integration (AWS IoT, Azure IoT, custom servers)

Security & Reliability

TLS/SSL, certificate-based authentication
Secure boot and flash encryption
Fail-safe firmware design
Data buffering and store-and-forward logic

Development & Deployment Experience

End-to-end product development from prototype to mass production
Designing firmware for millions of field devices
Integration with testing agencies and regulatory compliance
Debugging and optimization for harsh industrial environments

Tools & Debugging

JTAG, OpenOCD, Logic Analyzers
Wireshark, MQTT Explorer
Git, GitLab CI/CD
Manufacturing test firmware and fixtures

Key Responsibilities at RFBytes

Architecture design of ESP32-based IoT devices
Development of scalable and secure firmware
Integration with cloud and analytics platforms
Supporting certification and compliance processes
Providing technical leadership and mentoring junior engineers

Professional Strengths

Strong problem-solving and debugging skills
Deep understanding of field reliability and uptime
Experience in industrial-grade IoT deployments
Ability to work closely with hardware, cloud, and operations teams

Email : info@rfbytes.com, sayalee.parab@rfbytes.com

For Company details please visit www.rfbytes.com and follow us on linked IN for more such requirements.

Skills Required

Apply Now

Company Overview

RFBytes Private Limited

Pune, Maharashtra, India

0 Current Jobs Openings

At RFBytes, we build smart, reliable tech for fuel retail,automotive, defence, and industrial needs. From IoT devices and controllers tosensors and communication systems, our solutions are engineered for performance,precision, and long-term value. Di... Read More

Related Jobs

Senior Software Developer

RFBytes Private Limited

Pune

Full Time/Permanent First Shift (Day)

Job Detail