Πόσο διαρκεί η διαδικασία συνέντευξης της Iberdrola;

Οι περισσότεροι υποψήφιοι ξοδεύουν 4 έως 8 εβδομάδες από το screen recruiter μέχρι την προσφορά. Το ίδιο το onsite loop τρέχει σε μία μέρα ή χωρίζεται σε δύο μισές ημέρες, με debrief και προσφορά τυπικά μέσα σε 5 εργάσιμες ημέρες μετά.

Πώς πρέπει να προετοιμαστώ ειδικά για την Iberdrola;

Εστιάστε σε τρία πράγματα: (1) στο DNA της εταιρείας που δείχνεται παραπάνω — τι βαθμολογούν πραγματικά, (2) στους γύρους του loop σας, ειδικά τον γύρο που οι περισσότεροι υποψήφιοι υποτιμούν, και (3) σε εξάσκηση στους τύπους ερωτήσεων αυτού του οδηγού χρησιμοποιώντας ένα δομημένο πλαίσιο όπως CIRCLES ή STAR.

Ισχύει αυτό για ρόλους engineering ή design στην Iberdrola;

Το DNA παραμένει το ίδιο — αυτό που αλλάζει είναι ο συνδυασμός γύρων. Οι υποψήφιοι SWE αντιμετωπίζουν coding screens αντί για Product Sense· οι designers αντιμετωπίζουν portfolio reviews και ασκήσεις σχεδιασμού. Το «τι εκτιμούν» και τα συμπεριφορικά σήματα μεταφέρονται σε όλες τις λειτουργίες.

Why are you interested in joining Iberdrola, and what specifically about our work in the energy sector excites you as a software engineer?

Type: Motivation. Sign up at JobMentis to see the full framework, grading signals, and worked answer for this question.

Iberdrola operates a vast network of renewable energy sources (solar farms, wind turbines). You are given a 2D grid representing a geographical area, where 'W' denotes a potential wind turbine location, 'S' a solar farm location, and '.' an empty space. Write a function to find the maximum number of non-overlapping renewable energy installations (wind turbines and solar farms) that can be placed, subject to the constraint that no two installations can be within a Manhattan distance of 5 units from each other.

Type: Algorithmic. Sign up at JobMentis to see the full framework, grading signals, and worked answer for this question.

Design a system to predict and manage potential grid overload events across Iberdrola's European network. The system should ingest data from various sources (weather forecasts, historical demand, real-time consumption, renewable energy generation) and predict high-risk periods, potentially triggering automated load balancing actions.

Type: Distributed Systems. Sign up at JobMentis to see the full framework, grading signals, and worked answer for this question.

Iberdrola is developing a new customer portal for managing energy accounts, viewing consumption, and interacting with smart home devices. Design the backend architecture for this portal, considering scalability, security, and the integration of various services (e.g., billing, device management, analytics).

Type: Architecture. Sign up at JobMentis to see the full framework, grading signals, and worked answer for this question.

You are given a list of time intervals, each representing a period when a specific wind turbine was operational (e.g., `[(start_time, end_time, turbine_id), ...]`). Write a function to calculate the total uptime for each turbine within a given query period `(query_start, query_end)`. Ensure your solution correctly handles overlapping intervals and edge cases.

Type: Algorithmic. Sign up at JobMentis to see the full framework, grading signals, and worked answer for this question.

A critical service responsible for processing energy meter readings is experiencing intermittent failures. Below is a simplified (and potentially buggy) Python code snippet. Identify potential bugs, explain the root cause, and provide a corrected version. The service is supposed to calculate the average consumption per day, but sometimes returns incorrect averages or crashes.

Type: Debugging. Sign up at JobMentis to see the full framework, grading signals, and worked answer for this question.

Tell me about a time you had a significant technical disagreement with a colleague or manager. How did you approach the situation, what was the discussion like, and what was the outcome?

Type: Conflict Resolution. Sign up at JobMentis to see the full framework, grading signals, and worked answer for this question.

Describe a situation where you had to debug a complex and critical issue in a system you weren't initially familiar with. What steps did you take to understand the system, diagnose the problem, and implement a fix? How did you ensure the fix was robust?

Type: Ownership. Sign up at JobMentis to see the full framework, grading signals, and worked answer for this question.

Other roles at Iberdrola:Software Engineer Supply Chain Strategy Consultant

Enterprise · Software Engineer Interview Guide

How to Pass the Iberdrola Software Engineer Interview in 2026

Το DNA της Iberdrola (TL;DR)

Iberdrola seeks candidates demonstrating strong analytical skills, a commitment to sustainability, and a proactive approach to innovation in the energy sector. They value adaptability, teamwork, and a global mindset, particularly for roles involving renewable energy projects and grid modernization.

Οι συνεντεύξεις tech διεξάγονται στα αγγλικά

Ακόμη κι όταν κάνετε αίτηση τοπικά, η ίδια η συνέντευξη γίνεται σχεδόν πάντα στα αγγλικά. Σας δείχνουμε κάθε ερώτηση και prompt πρώτα στα αγγλικά — τη γλώσσα στην οποία θα γίνει η συνέντευξη — με μετάφραση από κάτω για να προετοιμαστείτε στην ισχυρότερη γλώσσα σας.

Το Interview Loop της Iberdrola

Το onsite loop σας θα αποτελείται τυπικά από 4 γύρους.

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

Η ζώνη κινδύνου: Κορυφαίοι λόγοι που οι υποψήφιοι αποτυγχάνουν

Με βάση τη βάση δεδομένων μας με αποτελέσματα συνεντεύξεων Iberdrola, αποφύγετε αυτές τις συνηθισμένες παγίδες:

Neglecting device connectivity issues, intermittent network availability, and security vulnerabilities.
Using incorrect data types or performing operations that lead to precision loss.
Focusing solely on personal career growth without demonstrating an understanding of Iberdrola's business or industry challenges.
Underestimating the scale and latency requirements for real-time grid management.

Δοκιμάστε τον εαυτό σας: Πραγματικές ερωτήσεις Iberdrola

Τρία πραγματικά prompts τραβηγμένα από τη βάση δεδομένων μας.

Τύπος · Ownership

Tell me about a time you took ownership of a significant supply chain problem or project that was not explicitly part of your job description. What was the situation, what did you do, and what was the outcome?

Τύπος · Scalability

Design a system to monitor and control millions of IoT devices (smart meters, grid sensors, EV chargers) connected to Iberdrola's network. The system needs to handle high-volume data ingestion, device state management, and command execution with low latency.

Τύπος · Algorithmic

Given a stream of real-time energy consumption data from smart meters (represented as tuples of (timestamp, meter_id, consumption_kwh)), design an algorithm to detect anomalous consumption patterns for each meter within a rolling 24-hour window. An anomaly is defined as consumption deviating by more than 3 standard deviations from the mean consumption for that meter during that window.

+ πολλές ακόμη ερωτήσεις, σήματα και επεξεργασμένα παραδείγματα

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Iberdrola 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
Τύπος · Motivation
Why are you interested in joining Iberdrola, and what specifically about our work in the energy sector excites you as a software engineer?

Coding Screen

2
Τύπος · Algorithmic
Given a stream of real-time energy consumption data from smart meters (represented as tuples of (timestamp, meter_id, consumption_kwh)), design an algorithm to detect anomalous consumption patterns for each meter within a rolling 24-hour window. An anomaly is defined as consumption deviating by more than 3 standard deviations from the mean consumption for that meter during that window.
3
Τύπος · Algorithmic
Iberdrola operates a vast network of renewable energy sources (solar farms, wind turbines). You are given a 2D grid representing a geographical area, where 'W' denotes a potential wind turbine location, 'S' a solar farm location, and '.' an empty space. Write a function to find the maximum number of non-overlapping renewable energy installations (wind turbines and solar farms) that can be placed, subject to the constraint that no two installations can be within a Manhattan distance of 5 units from each other.
+ 1 more questions in this round (sign up to unlock)

System Design

4
Τύπος · Distributed Systems
Design a system to predict and manage potential grid overload events across Iberdrola's European network. The system should ingest data from various sources (weather forecasts, historical demand, real-time consumption, renewable energy generation) and predict high-risk periods, potentially triggering automated load balancing actions.
5
Τύπος · Architecture
Iberdrola is developing a new customer portal for managing energy accounts, viewing consumption, and interacting with smart home devices. Design the backend architecture for this portal, considering scalability, security, and the integration of various services (e.g., billing, device management, analytics).
+ 1 more questions in this round (sign up to unlock)

Onsite Coding

6
Τύπος · Algorithmic
You are given a list of time intervals, each representing a period when a specific wind turbine was operational (e.g., `[(start_time, end_time, turbine_id), ...]`). Write a function to calculate the total uptime for each turbine within a given query period `(query_start, query_end)`. Ensure your solution correctly handles overlapping intervals and edge cases.
7
Τύπος · Debugging
A critical service responsible for processing energy meter readings is experiencing intermittent failures. Below is a simplified (and potentially buggy) Python code snippet. Identify potential bugs, explain the root cause, and provide a corrected version. The service is supposed to calculate the average consumption per day, but sometimes returns incorrect averages or crashes.
+ 2 more questions in this round (sign up to unlock)

Behavioral / Leadership

8
Τύπος · Conflict Resolution
Tell me about a time you had a significant technical disagreement with a colleague or manager. How did you approach the situation, what was the discussion like, and what was the outcome?
9
Τύπος · Ownership
Describe a situation where you had to debug a complex and critical issue in a system you weren't initially familiar with. What steps did you take to understand the system, diagnose the problem, and implement a fix? How did you ensure the fix was robust?
+ 3 more questions in this round (sign up to unlock)

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Interview tracks at Iberdrola

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

SWE candidates should showcase expertise in scalable systems for smart grids, renewable energy management platforms, and data analytics for operational efficiency. Experience with IoT, cloud solutions, and cybersecurity for critical infrastructure is highly valued.

Ownership

Scalability

+ 1 more

Unlock the Software Engineer grading rubric for Iberdrola

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