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This job advert was originally written in Spanish.
Java + Spring Boot: minimum 4 years of experience
Kafka Streams and KTables
Education: Engineering
English B2+/C1
A fluent level, both oral and written, is required, as communication with the team will be in English
Salary: 25000 - 40000
Krell permanent contract
22 days of vacation
Medical insurance after one year with the company
Opportunities for learning and professional development.
Stable and long-term position
A dynamic and collaborative work environment.
Financing for courses and certifications to grow professionally
Possibility of relocation to other projects
Required experience: 4+ years
Backend development in Java.
Working on multiple repositories, mainly backend services.
Development and maintenance of complex systems with legacy integrations.
Evolution of large-scale event-driven architectures.
Participation in the development of robust and scalable backend solutions.
Location: Madrid
Modality: 100% remote
Krell Consulting is a Spanish IT staffing and talent management firm founded in 2006. It provides services including outsourcing, direct selection, IT training, and RPO (Recruitment Process Outsourcing), with a focus on technology roles. The company operates primarily in Spain, offering both remote and hybrid positions across various tech disciplines.
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