Overview As Lead Software Developer at SITA, you will steer the design and delivery of scalable, secure software in a fast-moving aviation tech environment. You will collaborate with product, data, and AI teams to build high-performance applications, guiding architecture and engineering best practices. Your work enables AI-enabled components and robust backend services that scale across the air transport ecosystem. This role offers impact through leadership, modern tech, and a mission to make flight operations more sustainable and efficient.

Compensaciones / Beneficiosflex week: work from home up to 2 days/weekflex day to fit life and plansflex-location: up to 30 days/year remote workEmployee Wellbeing programs (EAP, Champion Health)professional development via LinkedIn Learningcompetitive benefits adapted to local market ResponsabilidadesLead design, development and delivery of scalable software (Java/Python) and AI-enabled componentsArchitect and maintain backend services, APIs and microservices (e.g., Spring Boot)Drive scalability, security,



observability and performance improvementsOversee AI/ML component integration and data services interfacesLead engineering delivery: estimation, planning, code reviews, debt management and CI/CD improvementsMentor engineers, set quality standards and promote knowledge sharingCollaborate with Product, DevOps and data/AI teams in an Agile environment Requisitos principales7+ years of software development experience with proven senior/lead deliveryStrong Java expertise (Spring Boot, Hibernate) and solid Python experienceUnderstanding of microservices, REST APIs, distributed systems and system designExperience with cloud platforms (AWS, Azure or GCP), Docker and CI/CD practicesSolid knowledge of software security fundamentals (IAM, SSL/TLS, OAuth/JWT) and secure coding; compliance exposure is a plusExperience with relational and non-relational databases and observabilityNice to have: Angular, Kafka/RabbitMQ, Kubernetes, AI/ML familiarity, MLOpsAviation/OCC domain exposure is a strong advantageleadership and team mentorshipcollaboration across cross-functional teamscommunication and code review disciplineJavaPythonSpring Boot

📌 Frontend Engineer (Barcelona)
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📍 Barcelona