How long does the ABB interview process take?

Most candidates spend between 4 and 8 weeks from recruiter screen to offer. The onsite loop itself runs in a single day or is split across two half-days, with debrief and offer typically within 5 business days after.

How should I prepare specifically for ABB?

Focus on three things: (1) the company DNA shown above - what they actually grade for, (2) the rounds in your loop, especially the round most candidates underestimate, and (3) drilling on the question types in this guide using a structured framework like CIRCLES or STAR.

Does this apply to engineering or design roles at ABB?

The DNA stays the same - what changes is the round mix. SWE candidates face coding screens instead of Product Sense; designers face portfolio reviews and design exercises. The "what they value" and behavioral signals carry across all functions.

Other roles at ABB:Software Engineer Product Manager Supply Chain Sales Solutions Architect

Enterprise · Software Engineer Interview Guide

How to Pass the ABB Software Engineer Interview in 2026

The ABB DNA (TL;DR)

ABB's technical interviews often probe deep into practical application, assessing a candidate's ability to integrate complex systems, particularly within their Electrification or Motion business areas. They seek individuals who can translate theoretical knowledge into tangible solutions for industrial challenges, demonstrating a clear understanding of their product lifecycle.

The ABB Interview Loop

Your onsite loop will typically consist of 5 rounds.

1
Round 1
Recruiter Screen
Motivation, role fit, logistics.
2
Round 2
Coding Screen
LeetCode-medium algorithmic problems under time pressure.
3
Round 3
System Design
Distributed systems, trade-offs at scale, architecture under constraints.
4
Round 4
Onsite Coding
LeetCode-hard, debugging, code clarity, edge cases.
5
Round 5
Behavioral / Leadership
Past evidence of ownership, influence, resolving conflict.

The Danger Zone: Top Reasons Candidates Fail

Based on our database of ABB interview outcomes, avoid these common traps:

Assuming the transport protocol guarantees data integrity at the application level.
Implementing a greedy approach that doesn't consider future states, leading to suboptimal long-term energy use.
Failing to connect the learned knowledge to practical application.
Using a naive O(n^2) or O(n^3) approach to check all possible sub-arrays.

Test Yourself: Real ABB Questions

Three real prompts pulled from our database.

Type · algorithmic

In the context of industrial process control, imagine you need to implement a state machine for a critical piece of equipment. The state machine has several states (e.g., 'Initializing', 'Running', 'Faulted', 'Shutdown') and transitions based on various sensor inputs and internal logic. Write code to represent this state machine, ensuring that invalid transitions are prevented and that the system can recover gracefully from certain fault states.

Type · design

ABB develops charging infrastructure for electric vehicles. Design a system to manage a large fleet of EV chargers, including features like real-time status monitoring, remote diagnostics, load balancing across chargers, and user authentication/payment processing. Focus on the backend services and APIs.

Type · past-experience

Describe a situation where you identified a significant technical risk or a potential performance bottleneck in a project. What steps did you take to address it, and how did you communicate the issue and your proposed solution to your team or stakeholders?

+ many more questions, signals, and worked examples

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ABB Interview Question Bank

A sample from our database, grouped by round. Sign up to see the full set.

9 of 16 questions shown

Recruiter Screen

1
Type · motivation
ABB operates in the industrial automation and electrification sectors, serving diverse markets like energy, manufacturing, and transportation. Can you describe your interest in applying your software engineering skills to these specific industries, and what excites you about ABB's mission?

Coding Screen

2
Type · algorithmic
Imagine you are developing a system to monitor the real-time status of thousands of industrial robots on a factory floor. Each robot reports its status (e.g., 'idle', 'running', 'error', 'maintenance') and a timestamp. Design an algorithm to efficiently detect and report any robot that has been in an 'error' state for more than 5 minutes. You need to handle a high volume of status updates.
3
Type · algorithmic
ABB's energy management systems optimize power distribution. Suppose you have a list of energy consumption readings from various devices over a day, each with a timestamp and power usage. Write a function to find the contiguous sub-array (time interval) with the maximum total energy consumption. This could represent a peak demand period.
+ 1 more questions in this round (sign up to unlock)

System Design

4
Type · design
Design a scalable cloud-based platform for ABB Ability™ Condition Monitoring that can ingest, process, and analyze sensor data from millions of industrial assets (e.g., motors, turbines) worldwide. Consider data ingestion, storage, processing, alerting, and visualization.
5
Type · design
ABB develops charging infrastructure for electric vehicles. Design a system to manage a large fleet of EV chargers, including features like real-time status monitoring, remote diagnostics, load balancing across chargers, and user authentication/payment processing. Focus on the backend services and APIs.
+ 1 more questions in this round (sign up to unlock)

Onsite Coding

6
Type · algorithmic
ABB's building management systems optimize HVAC. Given a set of temperature readings from sensors in different rooms over time, and a set of target temperature ranges for each room, write a function to determine the optimal sequence of adjustments to minimize energy consumption while keeping all rooms within their target ranges. Assume adjustments take time and have an energy cost.
7
Type · algorithmic
In the context of industrial process control, imagine you need to implement a state machine for a critical piece of equipment. The state machine has several states (e.g., 'Initializing', 'Running', 'Faulted', 'Shutdown') and transitions based on various sensor inputs and internal logic. Write code to represent this state machine, ensuring that invalid transitions are prevented and that the system can recover gracefully from certain fault states.
+ 1 more questions in this round (sign up to unlock)

Behavioral / Leadership

8
Type · past-experience
Tell me about a time you had to learn a new, complex technology or domain quickly to be effective in your role. How did you approach the learning process, and how did you apply that knowledge?
9
Type · past-experience
Tell me about a time you had to work with a legacy codebase or system that was difficult to understand or modify. How did you approach understanding it, making changes, and what was the outcome?
+ 4 more questions in this round (sign up to unlock)