I applied through 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 university. The process took 3 days. I interviewed at e-con Systems (Thanjāvūr) in Sep 2025
Interview
good and friendly process, be confident and focussed ,the 1 round was a aptitude (c Mcq,logical,hardware) based on the performance they allocate a role (firmware or hardware) if u are good in both role ,u can attend interview for both roles ,next complete day for logical thinking question and c programming be active and interactive
Overall Company is Pretty Good in all aspects. Good for learning as a fresher. Have to prepare much for the interview. Overall good experience. Basic C programming, Puzzles, and Resume need to be thorough to crack the interview.
Interview questions [1]
Question 1
Data structures, c programming, Puzzles, and Resume.
I applied through university. The process took 3 days. I interviewed at e-con Systems (Chennai) in Mar 2025
Interview
the interview was great. a panel was there there were technical questions related to circuit theory and electronics. this interview was in person in econ system company and there working environment is great but was hard to reach
