Can you imagine transforming AI prototypes into scalable enterprise applications for the pharmaceutical sector?
Join our expert team to work on innovative solutions in the Pharma sector , contributing to the development and evolution of AI-enabled enterprise applications . You will apply your knowledge of Java, Spring and Spring AI to transform existing prototypes into scalable, maintainable and production-ready solutions, following software engineering best practices and collaborating with international technical teams.
At ERNI, you are never just a number. Even if you work on an external project, you will feel part of the team and always supported.
How do we make this happen?
With people. Besides your team and manager, you will have several support figures like a godparent, who will help you with the practical and administrative aspects of daily life during your first 6 months.
And the second most important person after you, your mentor, who will guide you through your entire onboarding and career at ERNI. You will have regular 1:1 meetings with them, and recurrently,



you will work on your development plan to define your short-, medium-, and long-term goals.
At ERNI, we highly value experience and technical knowledge. As a senior profile, you will have the space to continue growing, whether by deepening your technical skills or having greater influence on project decisions, with autonomy and the opportunity to share knowledge with other experts.
And if you are interested in mentoring, there is also space for that: supporting other ERNIans while still focusing on the technical excellence that sets us apart.
What you will bring
- Strong experience in Java backend development and the Spring ecosystem , with solid knowledge of modern software development practices.
- Knowledge of Spring AI and AI-enabled applications, including the integration of AI capabilities, tools or agents.
- Solid understanding of SOLID principles, Clean Code, Test-Driven Development (TDD) and

📌 Senior Java Developer (España)
🏢 ERNI Spain
📍 España