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C++ Software Engineer (Real-Time Systems) in Madrid

Hybrid in Madrid·Added today (last checked 13 Nov)

Indra

460 open roles

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Our summary

Work mode: Hybrid, Madrid
Spanish: Expected (ad in Spanish)
Experience: 3+ years
Education: University degree

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Skills

Indra is hiring for this role in several places. This vacancy is in Madrid.

This job advert was originally written in Spanish.

Requirements

What we're looking for

University degree in Computer Engineering, Telecommunications Engineering, Industrial Engineering or similar, preferably with a substantial software development component.
Approximately 3-4 years of experience in software development with C++.
Advanced level of C++ programming.
Knowledge or experience in real-time application development.
Knowledge of real-time systems architecture.
Experience or knowledge in user interface design and development.
Knowledge of communications APIs and integration of external libraries.
Knowledge of Unix operating systems and design or deployment of high-availability architectures.
Intermediate level of English.

Nice to have

Don't worry if you don't meet 100% of what we are looking for. Go for it, get to know our proposal, and tell us what you can bring to us!

Pay & benefits

What you'll get

Innovative, high-impact projects: You will work with cutting-edge technologies, with an impact at both national and international level.
Career plan tailored to you: Designed to boost your growth and professional development.
Autonomy and flexibility: You will have the freedom to organize your work, with real work-life balance adapted to your pace, within a hybrid model.
Stability and future: Long-term projects in a leading company with more than 60,000 professionals, providing financial security.
Days off: 22 working days of vacation + 10 days of discretionary leave.
Close and transparent atmosphere: You will enjoy direct, fluid communication with managers and colleagues, in a collaborative and open environment.
Continuous training: Through Open University and Udemy for Business, with more than 6,000 courses to help you specialize.
Employee discounts and perks: Enjoy benefits at gyms, restaurants, shops, leisure venues and much more as an Indra Group employee.

The role

At Indra Group, we protect what matters most.

From our Defense unit, we develop advanced technological solutions that reinforce national and international security.

💻 Join our national and international projects!

We want to recruit a C++ Software Engineer with experience in application development and C++ programming, to participate in the design and development of real-time applications within advanced technological projects in the Defense sector.

What you'll do

Design and develop software applications in C++.
Participate in the development of real-time applications and support applications.
Design and implement user interfaces for the various applications.
Develop and integrate communication APIs for interaction between systems.
Work with external libraries to extend the functionality of the applications.
Participate in the design and deployment of high-availability software architectures.
Collaborate in the integration, validation and commissioning of the developed solutions.
Work with Unix operating systems in development and deployment environments.

How you'll work

Availability to work in a hybrid model from Coslada (Madrid).

Hiring process

2 steps2 interviews1–2 weeks in all

Profile review
First contact
With recruitment team · Phone call · 5–10 min
A short call to get to know you and answer your questions.
Technical interview
With the team
A meeting with the team, who explain the project and day-to-day tasks and explore your technical knowledge; it may include short aptitude and English tests.
Offer and welcome

The technical interview may include short psychological aptitude and English tests if needed.
The first call may come from an unknown number.

Hiring process

Profile review: We evaluate your experience and skills to determine whether you're a fit for what we're looking for.
First contact (5-10 min): If you receive a call from an unknown number, it's our team! It will be a quick conversation to get to know you and answer any questions.
Interview with the talent acquisition team: We want you to get to know us better as a company -values, career model and skills- so that both you and the team can assess whether there's a match.
Technical interview: You'll meet with the team, who will explain the project and daily tasks. We'll also explore your technical knowledge and carry out brief psychological competency and English tests, if necessary.
Offer and welcome: If everything goes well, you join our team and we begin this new stage together!

Estimated process time: 2-3 weeks.

As a company, we understand equality as a cross-cutting principle and a driver of social change. Based on this conviction, we reaffirm our commitment to equal treatment and opportunities between women and men, non-discrimination, equal pay, and work-life balance.

This commitment is reflected in the promotion of respectful and inclusive work environments, where all people are treated with dignity, can develop professionally, and have equal opportunities in selection, training, and promotion processes, offering a work environment free from any discrimination based on sex, age, disability, sexual orientation, gender identity or expression, religion, ethnicity, marital status, or any other personal or social circumstance.

INDRA is a Top Employer 2026 company! Join a company certified as one of the best employers in Spain, thanks to the conditions offered to our professionals and our comprehensive HR management.

About Indra

Indra is a global technology and consulting company headquartered in Madrid, Spain, and a leader in IT and defense systems. It provides advanced solutions in air traffic management, defense electronics, cybersecurity, and digital transformation for clients worldwide. With a workforce of over 50,000 employees, Indra operates in more than 140 countries, making it one of Europe's largest defense and technology firms.

In Spain, Indra has a strong presence with major offices in Madrid, Alcobendas, and other cities, and it is a key player in the national defense and aerospace sectors. The company offers a wide range of roles for international professionals, from engineering and cybersecurity to project management and software development. Indra's work culture emphasizes innovation and technical excellence, and it actively recruits international talent, providing opportunities to work on cutting-edge projects in defense, space, and digital transformation.

Industry: IT and Defense
Founded: 1993
Employees: 50,000+
Headquarters: Madrid, Spain
In Spain: Madrid, Barcelona, Alcobendas

Good to know if you are moving

Indra is a major defense contractor, offering opportunities to work on advanced defense systems like SCAPA and NGWS.
The company has a strong focus on innovation, with significant investment in R&D and technology development.
Indra provides hybrid and remote work options for many roles, offering flexibility for international hires.
With offices in Madrid and Barcelona, Indra offers a chance to live in Spain's two largest cities.
Indra is a global leader in air traffic management, with its systems used in over 100 countries.

All open roles at Indra