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How to Pass the Epiroc Software Engineer Interview in 2026

Enterprise · Software Engineer Interview Guide

Interview language: English

Expect to code inC++Python

The Epiroc DNA (TL;DR)

Epiroc's 'Go If' principle guides interviewers to seek individuals who proactively drive innovation for mining and infrastructure solutions. They assess a candidate's ability to navigate complex global markets, like those in the Middle East and Central Asia, to deliver tangible improvements in productivity and safety.

The Epiroc 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 problems, reasoning about defects, 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 Epiroc interview outcomes, avoid these common traps:

Blaming other disciplines for misunderstandings.
Not handling the streaming nature of the data effectively.
Lack of a robust rollback strategy in case of failed updates.
Ignoring the data pipeline and focusing only on the ML model.

Test Yourself: Real Epiroc Questions

Three real prompts pulled from our database.

Type · system-design

Epiroc is exploring the use of AI for predictive maintenance on its excavators. Design a system that collects sensor data, trains ML models, and provides alerts for potential component failures. Discuss the trade-offs between edge computing for real-time inference and cloud-based model training.

Type · algorithmic

Given a set of operational parameters for a drilling rig (e.g., rotation speed, feed rate, torque) and their corresponding energy consumption, write a function to find the optimal combination of parameters that minimizes energy usage while maintaining a minimum drilling depth rate. Assume a simplified model for energy consumption and drilling depth.

Type · ownership

Tell me about a time you encountered a significant technical challenge in a project that was not directly assigned to you, but you felt compelled to address it. What was the challenge, what steps did you take, and what was the outcome?

+ many more questions, signals, and worked examples

Unlock the Epiroc rubric, free

Epiroc Interview Question Bank

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

9 of 12 questions shown

Recruiter Screen

1
Type · motivation
Epiroc develops solutions for mining and infrastructure. What specifically about our work in automation, electrification, or digital services for heavy machinery interests you as a software engineer?

Coding Screen

2
Type · algorithmic
Imagine you are developing a system to monitor the health of a fleet of autonomous mining vehicles. Given a stream of sensor data (e.g., temperature, vibration, battery level) for each vehicle, write a function to detect anomalies that might indicate an impending failure. The function should return a list of vehicle IDs and the type of anomaly detected.
3
Type · algorithmic
You have a large dataset of historical maintenance logs for Epiroc's equipment, where each log entry includes a timestamp, equipment ID, and a description of the issue. Design an algorithm to predict the probability of a specific type of failure (e.g., 'hydraulic leak') occurring in the next 7 days for a given piece of equipment, based on its past log entries.
+ 1 more questions in this round (sign up to unlock)

System Design

4
Type · system-design
Design a cloud-based platform for remote monitoring and control of Epiroc's underground mining equipment. Consider aspects like data ingestion from potentially intermittent network connections, real-time visualization of equipment status, and secure command execution.
5
Type · system-design
Epiroc is exploring the use of AI for predictive maintenance on its excavators. Design a system that collects sensor data, trains ML models, and provides alerts for potential component failures. Discuss the trade-offs between edge computing for real-time inference and cloud-based model training.
+ 1 more questions in this round (sign up to unlock)

Onsite Coding

6
Type · algorithmic
Implement a function that simulates the path of a robotic arm used in underground mining for material handling. The function should take a sequence of target coordinates and return the most energy-efficient path, considering the arm's joint constraints and movement dynamics. Assume a simplified physics model.
7
Type · algorithmic
You are building a real-time dashboard for monitoring the operational status of Epiroc's electric mining trucks. Given a stream of events (e.g., 'charging_started', 'low_battery', 'error_code_X'), design a data structure and algorithm to efficiently aggregate these events per truck and display the current status (e.g., 'Charging', 'Operating', 'Needs Maintenance'). The dashboard should update with low latency.

Behavioral / Leadership

8
Type · ownership
Tell me about a time you encountered a significant technical challenge in a project that was not directly assigned to you, but you felt compelled to address it. What was the challenge, what steps did you take, and what was the outcome?
9
Type · collaboration
Describe a situation where you had to collaborate with engineers from a different discipline (e.g., mechanical, electrical) to deliver a software feature for an industrial product. What were the communication challenges, and how did you overcome them?
+ 1 more questions in this round (sign up to unlock)

Unlock all 12 Epiroc questions, free

No credit card. Every question with its framework, the grading signals interviewers score against, and a worked answer for each.

Unlock all 12 Epiroc questions

Interview tracks at Epiroc

How Epiroc's DNA translates across functions. Pick your role.

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Practice Epiroc interviews end-to-end

Epiroc Mock Interview

Run a live mock interview with our AI interviewer using Epiroc-style prompts. Get scored on structure, signal, and answer length - exactly how the real loop grades you.

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STAR Stories for Epiroc Behavioral Rounds

Build a Story Bank of your past wins, mapped to the leadership signals Epiroc interviewers grade on. Reuse them across every behavioral round.

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Epiroc Interview Prep Hub

The frameworks behind every Epiroc round: CIRCLES for product sense, hypothesis-driven debugging for analytical, STAR for behavioral. Learn each one in 10 minutes.

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Interview Frameworks

CIRCLES, STAR, AARRR, RICE, MECE. The exact frameworks that make Epiroc interviewers nod instead of frown. Step-by-step playbooks with the moves and the pitfalls.

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Sample answers

What a strong answer to these Epiroc interview questions shows.

A strong answer shows: Comprehensive data pipeline design.; Clear discussion of edge vs. cloud trade-offs for ML.; Consideration of model deployment and monitoring..

A strong answer shows: Efficient search strategy for optimization.; Clear definition of optimization objective and constraints.; Understanding of trade-offs between parameters..

Frequently asked questions

How long does the Epiroc 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 Epiroc?

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 Epiroc?

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.

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