Senior Java Engineer (IT Lead) - Hybrid (Madrid)

We are Plexus.Tech, a technology company specializing in IT services and products, founded on the talent and capabilities of our people, more than 4.000 professionals developing technology products and services that make life better for people, companies and institutions.

Based on a model of closeness, speed and flexibility. Among our main international clients, we have practically all of the IBEX35 companies stand out, as well as large retailers, tour operators, airline companies and financial entities. We are increasing our Talents team!

We are looking for a: SENIOR JAVA ENGINEER (Hybrid) - Madrid

Mandatory to speak Spanish and English

We are looking for a Senior Java Developer with strong experience in designing, developing, and maintaining robust enterprise-level applications. The ideal candidate will lead technical initiatives, collaborate with cross-functional teams, and ensure high-quality, scalable solutions.

• Design, develop, and maintain high-performance and scalable Java applications.
• Participate in technical requirements analysis and solution design.
• Mentor and support junior and mid-level developers.
• Write clean, efficient, and well-documented code following best practices.
• Conduct code reviews and enforce coding standards.
• Collaborate in release planning and effort estimations.
• Identify performance bottlenecks and implement effective solutions.
• Integrate with other systems and technologies via Rest APIS, Message/Events Queues and Files Exchange.

• 5+ years of hands-on experience in Java development.
• Strong knowledge of Java EE frameworks (e.g., Spring Boot, Hibernate, JPA).
• Experience with relational databases (MySQL, PostgreSQL, Oracle) and NoSQL databases (ElasticSearch, MongoDB).
• Solid understanding of RESTful architecture and API design principles.
• Strong understanding of asynchronous programming and messaging systems (RabbitMQ, Kafka, JMS, MQ-Series, etc)
• Proficiency with version control systems (Git).
• Familiarity with Agile methodologies (Scrum, Kanban).
• Strong teamwork and communication skills.
• Fluent English - minimum B2 level.

• Experience with microservices architecture.
• DevOps knowledge (Concourse, Kubernetes EKS).
• Experience with cloud platforms (AWS).
• Familiarity with monitoring tools or logging (ELK, Dynatrace, etc.)
• Awareness of security best practices in software development.
• Understanding of financial services concepts and ISO-20022
• Conocimentos en procesos de ETL (Extract-Transform-Load) y Apache Camel o cualquier otra herramienta de ETL (NodeRed, Apache Nifi, Spark SQL, basadas en AWS etc)

If you are worried about continuing your progress, this is your opportunity ! You will be part of a team of professionals. Increase your professional projection with us.

• Integration into a global and relevant project
• Permanent contract
• Flexible compensation package
• health insurance
• Flexology
• Professional inserted in a team of professionals
• Access to continuous training
• Be part of a dynamic team, committed, passionate about your clients and ready to give the best of yourself
• Be part of a company with many professionals of reference in the sector
• A work ecosystem with a collaborative environment

FLEXOLOGY: we are an adaptable, flexible and hybrid company. We are betting on a model based on placing people, our people, who are the pillar of our company, not the centre. We care about your talent, your competencies and, above all, how you are well-being. Therefore, we adapt to new situations and demands so that people flow professionally and personally. A model based on trust.

Plexus.Tech maintains a firm commitment to the company's equality policies. All of our selection processes involve equal opportunities between men and women in a transversal way, and this is reflected in our Plan for Equality.

We are passionate about technology, but above all we love people rather than anything possible. Because with motivation, enthusiasm and team work we are doing fantastic things.