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Ninetynine Labs

mobility · Bangalore, Karnataka · ninetyninelabs.in

Prices in Indian rupees (INR).

Practise Ninetynine Labs's interview See the open jobs

Overview

Ninetynine Labs, based in Bangalore, Karnataka, has posted 2 software jobs in the last 24 months, with 2 in the last 12 months. They have hired for Embedded Hardware Intern and Firmware Intern roles, requiring skills such as Analog & digital electronics, Basic circuit design, C/C++, CAN, Debugging hardware, and ESP-IDF. The most recent posting was for Firmware Intern in October 2026, with an onsite work mode.

Written from the hiring facts on this page.

About Ninetynine Labs

Ninetynine Labs develops firmware and hardware for EV charging and energy systems. They build the intelligence layer for electric mobility, focusing on software and hardware integration.

Open now

Hiring now: 2 open positions.

Insights about Ninetynine Labs's hiring

Computed from 2 postings on Ninetynine Labs's careers site in the last 24 months.

Hiring trend, last 12 months

New software postings each month: 2 in the last 12 months
New postings by month
MonthNew postings
December 20250
January 20260
February 20260
March 20260
April 20260
May 20260
June 20260
July 20260
August 20260
September 20260
October 20262
November 20260

Roles they hire for

Skills in demand

Share of Ninetynine Labs's job descriptions that ask for each skill.

Locations and work mode

On-site: 50%

Experience, levels and pay

Hiring at Ninetynine Labs

From the jobs on Ninetynine Labs's own careers site, and how readyforhires members measure up.

Open jobs
2
New this month
0
Bar to clear
Not enough data yet
Eligible today
Not enough data yet

Tests their jobs ask for

Member numbers show once at least 10 members are in the group; no one's own score is shown.

How Ninetynine Labs interviews

The engineering interviews likely focus on systems and fundamentals, particularly in embedded systems, firmware development, and hardware design. Candidates are expected to demonstrate knowledge of communication protocols, microcontroller programming, and hardware debugging.

At a glance

Ninetynine Labs interview practice tests

DevOps Engineer

Practise for the DevOps Engineer interview at Ninetynine Labs, built from the company's own job descriptions.

Covers: System Design, Git & Version Control, Docker & Kubernetes, Cloud Computing

Intermediate · 25 questions · 19 multiple choice, 4 short answer, 2 from your CV · 45 min · ₹25

Take the test

Backend Engineer

Practise for the Backend Engineer interview at Ninetynine Labs, built from the company's own job descriptions.

Covers: Data Structures & Algorithms, Operating Systems, Computer Networks, REST APIs

Intermediate · 25 questions · 15 multiple choice, 4 predict-the-output, 4 short answer, 2 from your CV · 45 min · ₹25

Take the test

Data Engineer

Practise for the Data Engineer interview at Ninetynine Labs, built from the company's own job descriptions.

Covers: SQL & Databases, Apache Spark & Big Data, Python, Data Engineering

Intermediate · 25 questions · 15 multiple choice, 4 predict-the-output, 4 short answer, 2 from your CV · 45 min · ₹25

Take the test

Machine Learning Engineer

Practise for the Machine Learning Engineer interview at Ninetynine Labs, built from the company's own job descriptions.

Covers: Machine Learning, Deep Learning, PyTorch, TensorFlow & Keras

Intermediate · 25 questions · 15 multiple choice, 4 predict-the-output, 4 short answer, 2 from your CV · 45 min · ₹25

Take the test

Frontend Engineer

Practise for the Frontend Engineer interview at Ninetynine Labs, built from the company's own job descriptions.

Covers: JavaScript, React, TypeScript, HTML & CSS

Intermediate · 25 questions · 15 multiple choice, 4 predict-the-output, 4 short answer, 2 from your CV · 45 min · ₹25

Take the test

Firmware Intern

Practice for the Firmware Intern opening at Ninetynine Labs: questions from its job description on C/C++, ESP32, Communication protocols, Debugging, and on your CV.

Covers: C/C++, ESP32, Communication protocols, Debugging, ESP-IDF, FreeRTOS, MQTT, CAN, RS485, Git, Firmware Intern fundamentals, Projects on your CV

Beginner · 25 questions · 15 multiple choice, 4 predict-the-output, 4 short answer, 2 from your CV · 45 min · ₹25

Take the test

Embedded Hardware Intern

Practice for the Embedded Hardware Intern opening at Ninetynine Labs: questions from its job description on Analog & digital electronics, Basic circuit design, Microcontrollers and embedded systems, Sensors and hardware interfaces, and on your CV.

Covers: Analog & digital electronics, Basic circuit design, Microcontrollers and embedded systems, Sensors and hardware interfaces, PCB fundamentals, Reading schematics and datasheets, Using basic lab equipment, Debugging hardware, Embedded Hardware Intern fundamentals, Projects on your CV

Beginner · 25 questions · 15 multiple choice, 4 predict-the-output, 4 short answer, 2 from your CV · 45 min · ₹25

Take the test

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Frequently asked questions

Is Ninetynine Labs hiring?
Yes: 2 open software engineering jobs on Ninetynine Labs's careers site at the last daily count, including Embedded Hardware Intern, Firmware Intern.
What roles does Ninetynine Labs hire for?
In the last 24 months: Embedded Hardware Intern (1), Firmware Intern (1).
What skills does Ninetynine Labs look for?
The skills its job descriptions ask for most: Analog & digital electronics (50%), Basic circuit design (50%), C/C++ (50%), CAN (50%), Debugging hardware (50%), ESP-IDF (50%).
How can I practise for the Ninetynine Labs interview?
readyforhires has 7 practice tests written from how Ninetynine Labs interviews: DevOps Engineer, Backend Engineer, Data Engineer, Machine Learning Engineer, Frontend Engineer, from ₹25 a test.
How does Ninetynine Labs interview?
The engineering interviews likely focus on systems and fundamentals, particularly in embedded systems, firmware development, and hardware design. Candidates are expected to demonstrate knowledge of communication protocols, microcontroller programming, and hardware debugging.
Where is Ninetynine Labs based?
Ninetynine Labs is headquartered in Bangalore, Karnataka.

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