At Oesia Group, we are growingWe would like to count on you for our next job offer: We are looking fora Software Development Engineerto join an important Project located inRivas Vaciamadrid or Sevilleinhybridjob modality.
What are we looking for?An/a Software Development Engineer, with at least 5 years of experience.
Availability to join a stable project in Rivas Vaciamadrid or Seville.
Work Model: hybridRequirements:At least 5 years of experience in projects in the defense, aerospace, security, critical software, or similar sectors.
Experience in software development for complex distributed systems.
Experience in international collaborative projects.
Knowledge of requirements engineering and MBSE.
Experience in software design and development using AGILE methodologies.
Knowledge of service-oriented architectures, microservices, and distributed systems.
Experience integrating C2 systems, sensors, communications, mission systems, or similar.
Knowledge of information exchange and interoperability technologies.
Ability to work in multidisciplinary teams.
Minimum English proficiency at the B2 level.
What will your responsibilities be?Definition, design, development, integration, and validation of advanced software systems.




Production of functional analysis deliverables.
Requirements management.
Software design and development.
Systems integration.
Testing and validation of multi-domain capabilities in defense environments.

What we offer
you?Work in a multinational company recognized as one of the best companies to work for in 2025, according Actualidad Económica and Forbes.
Stable and innovative technological projects for leading national and international clients.
Career plan:

we offer
an attractive professional career based on experience and personal potential within a continuously evolving company with solid growth.
Free access to various training platforms, providing you with a wide multidisciplinary catalog.
Adaptable compensation.
An equal, diverse company with great Corporate Social Responsibility.
A positive, healthy, and cooperative work environment. Teamwork is the cornerstone of the company's project successes.
Have you heard of us?Withover 3.800 professionals in 20 corporate officesacross Spain, Brussels, Latin America, and Asia, it generatesquality employment and helps people growin technical careers.

📌 Software Development Engineer (Madrid)
🏢 Oesía Group
📍 Madrid