Job Summary: We are seeking a BackEnd Software Development Engineer with FrontEnd knowledge—preferably Full-Stack—for our European project team in the ATM (Air Traffic Management) area, responsible for updating, maintaining, and continuously improving web environments and developing integration solutions. Key Highlights: 1. Digital transformation with advanced technology and global talent 2. Stability and future with long-term, innovative projects 3. Personalized career plan and continuous training **Location:** Madrid, MD, ES **Professional Profile:** Web Solutions **Required Experience:** More than 2 years **Work Modality:** Hybrid At Indra Group, we protect what matters most. We drive impactful digital transformation through advanced technology, sector-specific expertise, and global talent. **Join our European project team!** As part of our positioning as a leading company, we aim to strengthen our team with a BackEnd Software Development Engineer possessing FrontEnd knowledge—preferably Full-Stack—to join our ATM (Air Traffic Management) area in San Fernando de Henares, Madrid, under a hybrid work modality. **What will you do?** * Update and maintain legacy WEB environments using new technologies, and continuously improve the environment. * Perform other non-web software development tasks for integrations and solutions across various internal tools. **What are we looking for in you?** Don’t worry if you don’t meet 100% of the requirements—we encourage you to apply, learn about our offer, and let us discover how you can contribute! ✅ Minimum professional experience: 2 years. ✅ Advanced English proficiency. ✅ Degree or Master’s in Technology (Computer Science, Engineering, Mathematics); higher education degree in Computer Science, Telecommunications, Software Engineering, Physics, or Mathematics—or any other relevant engineering discipline. ✅ Versatility to engage in other non-web software development tasks. Experience in: ✅ .NET ✅ Database Administration / Microsoft SQL Server 2017 ✅ Web Solutions / React JS ✅ Business Analysis / SQL Development (Transact SQL) ✅ Entity Framework ✅ C\# ✅ ASP **What we offer you** * **Stability and Future** **✨****:** Long-term projects at a leading Defense company with **more than 50\.000 professionals**, backed by financial security. * **Innovative and High-Impact Projects** : You’ll work with cutting-edge technologies, delivering impact both nationally and internationally. * **Close and Transparent Environment** : Enjoy direct, fluid communication with managers and colleagues within a collaborative and open environment. * **Autonomy and Flexibility** : Work organization adapted to the hybrid model. * **Personalized Career Plan** : Designed to foster your professional growth and development. * **Continuous Training** **:** via Open University and Udemy for Business (over 6\.000 courses to help you specialize!). * **Exclusive Well-being Discounts** : Enjoy benefits at gyms, restaurants, stores, leisure venues, and more as an Indra employee. * **Competitive Compensation** and **Flexible Compensation Plans** tailored to your needs. **What does our selection process look like?** Profile Review * : We assess your experience and skills to determine whether you match our requirements. Initial Contact (5\-10 min) * : If you receive a call from an unknown number, it’s our team! It will be a brief conversation to get to know you and answer any questions. Technical Interview : You’ll meet the team, who will explain the project and daily tasks. We’ll also explore your technical knowledge. Additionally, short psychological and English competency assessments may be conducted (if necessary). Offer and Welcome * : If everything goes well, you’ll join our team and begin this new stage together! **Estimated Timeline: 1\-2 weeks.** *Our commitment is to promote workplaces where people are treated with respect and dignity, supporting staff’s professional development and guaranteeing equal opportunities in recruitment, training, and promotion—ensuring a workplace free from discrimination based on gender, age, disability, sexual orientation, gender identity or expression, religion, ethnicity, marital status, or any other personal or social circumstance.* Indra Group is a Top Employer 2026! Join a company certified as one of Spain’s best employers, thanks to our comprehensive HR management and favorable conditions for our professionals.