OverviewIn this role you will lead the migration of a legacy Java application to Spring Boot, modernizing the architecture for scalability and performance.
You will join a cross-functional team working on OptiFlight, an initiative aimed at improving sustainability and daily operations for aircraft.
You'll collaborate with machine learning engineers to integrate predictive models and support data-driven decision making.
You will design, build, and review high-quality Java/Spring Boot solutions while mentoring peers and upholding coding standards.
This position offers the chance to shape a large-scale, distributed system in a forward-thinking aeronautics context.
Compensaciones / BeneficiosCompetitive salary
social benefits
Hybrid work
office in Barcelona
3 days in office, 2 teleworking
ResponsabilidadesLead migration of legacy Java application to Spring Boot to improve scalability and maintainability
Collaborate with ML team to integrate predictive models into the system
Architect and develop high-performance Java/Spring Boot applications following best practices
Work with cross-functional teams to align solutions with business goals
Conduct code reviews and mentor junior developers




Troubleshoot complex issues ensuring availability, reliability, and security
Stay current with new technologies and improve development processes
Participate in requirements, design, and effort estimation for projects
Requisitos principales8+ years in software engineering with strong Java development experience
Proficiency in Java 8+, Spring Framework (Spring Boot, Spring MVC), Hibernate, Elasticsearch, JUnit, Gradle/Maven
Experience with microservices and RESTful APIs
Solid understanding of design patterns, SOLID principles, and clean coding
Experience with Elasticsearch indexing, querying, and performance optimization
Relational databases (PostgreSQL, MySQL, Oracle) and NoSQL (MongoDB) familiarity a plus
Docker, Kubernetes, and CI/CD pipelines
Experience with message brokers (Kafka, RabbitMQ)
Knowledge of Flyway or Liquibase is a plus
Experience migrating legacy apps and working on large-scale distributed systems
English C1
proactivity
problem-solving
analytical thinking
Java 8+
Spring Boot
Spring Framework

📌 Java Developer (España)
🏢 Social You
📍 España