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About the role
About the Company Linkwell Telesystems (VISIONTEK) is seeking passionate, hands-on Embedded Firmware Engineers across multiple experience levels (Assistant Engineer & Senior Engineer) to join our R&D; team in Hyderabad. You will be responsible for the end-to-end firmware development lifecycle, microcontroller bring-up, communication protocols, and hardware-level validation for cutting-edge electronics and smart energy metering products. About the Role - Experience Band: 2 to 7+ Years (Open for Mid-level & Senior profiles) - Locations: Kushaiguda / Begumpet, Hyderabad ---------------------------------------------------------------------- ASSISTANT ENGINEER - FIRMWARE (2 to 4 Years Experience) ---------------------------------------------------------------------- - Develop, test, and debug firmware for 32-bit and 8-bit microcontroller-based designs. - Interface wireless & wired communication modules (GSM/4G, Wi-Fi, Bluetooth/BLE, NFC, GPS, etc.). - Implement and configure core bus protocols (UART, SPI, I2C, USB). - Perform hands-on board bring-up, debugging, and testing using Oscilloscopes, Logic Analyzers, Multimeters, and Soldering stations. - Prepare datasheet observations, test summary reports, and support CMMI/ISO documentation. ---------------------------------------------------------------------- SENIOR FIRMWARE ENGINEER (5 to 7+ Years Experience) ---------------------------------------------------------------------- - Drive full embedded software development lifecycle (SDLC) for energy meters and metering products. - Write and optimize Embedded C and Assembly language for 32-bit microcontrollers. - Develop, maintain, and test communication protocols such as DLMS/COSEM. - Lead, mentor, and perform code reviews for a team of 35 engineers. - Work on low-power architectures, battery-backed RTC circuits, and memory interfacing (EEPROM/Flash/ADC). - Perform root-cause analysis on field/production issues and drive CMMI/ISO process compliance. ---------------------------------------------------------------------- QUALIFICATIONS ---------------------------------------------------------------------- - Education: B.Tech / M.Tech in Electronics & Communication (ECE) or Electrical Engineering (EEE). ---------------------------------------------------------------------- REQUIRED SKILLS ---------------------------------------------------------------------- - Programming: Embedded C, C++, Assembly. - Microcontrollers: Hands-on experience with STM32, PIC, ESP32, ATmega, or 32-bit ARM Cortex processors. - Protocols: UART, SPI, I2C, CAN, RS232/RS485, DLMS/COSEM (Bonus for Senior level). - Hardware Tools: Multimeter, Oscilloscope, Logic Analyzer, LCR Meter, Function Generator, Soldering Iron. - Process: Version control (Git), defect tracking, and documentation. ---------------------------------------------------------------------- HOW TO APPLY ---------------------------------------------------------------------- Interested candidates can send their updated resume to jobs1@visiontek.co.in or send a Direct Message (DM) to my LinkedIn profile: https://www.linkedin.com/in/naresh-banothu-hr .