I applied through college or university. The process took 5 days. I interviewed at e-con Systems (Chennai) in Jun 2024
Interview
Rounds:
1) Online MCQ with Arithmetic Puzzles, Coding and Hardware Questions
2) Deep Technical Discussion (with puzzles and C Programming Questions based on topics Structures, Unions, Bitwise Operator, Pointers and Hardware questions from Microprocessors and Controllers , Embedded Systems etc.)
3) Lead Level Technical Discussion
4) HR Round
Interview questions [1]
Question 1
Puzzles
C programming based on Strings , Arrays, Bit wise operator
Questions regarding mpmc (what is stack pointer, program counter, microcontroller vs microprocessor)
SMPS
Basic working of computers
Questions regarding Clock signals
Serial Communication protocols like SPI, I2C
Structures and Union
Incrementing Pointers
Questions from family background
Storage classes
Questions regarding Assembler, Compiler, Linker etc.
Mux
Structure padding
I applied through college or university. I interviewed at e-con Systems (Chennai) in Jul 2026
Interview
The first round is aptitude ( logical and reasoning) second round is technical interview and HR interview which is about indepth technical aptitude focus on your core subjects and HR discussion is about your resume
I applied through college or university. I interviewed at e-con Systems (Coimbatore) in Jun 2026
Interview
initially they conduct a aptitude and logical
then student seperated into two (hardware engineer and firmware engineer
then selected student have technical hr and hr round (question paper are given)
I applied online. I interviewed at e-con Systems (Chennai) in May 2026
Interview
it was nice process had lot of questions about c and embedded systems and also dsa and about types of embedded The four major types are:
Standalone Embedded Systems
Real-Time Embedded Systems
Networked Embedded Systems
Mobile Embedded Systems
Interview questions [1]
Question 1
1. Standalone Embedded Systems A Standalone Embedded System is an embedded system that can perform its intended function independently, without requiring a network connection or another computer.