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 / Incentivos * flex week: work from home up to 2 days/week * flex day to fit life and plans * flex-location: up to 30 days/year remote work * Employee Wellbeing programs (EAP, Champion Health) * professional development via LinkedIn Learning * competitive benefits adapted to local market Responsabilidades * Lead design, development and delivery of scalable software (Java/Python) and AI-enabled components * Architect and maintain backend services, APIs and microservices (e.g., Spring Boot) * Drive scalability, security,



observability and performance improvements * Oversee AI/ML component integration and data services interfaces * Lead engineering delivery: estimation, planning, code reviews, debt management and CI/CD improvements * Mentor engineers, set quality standards and promote knowledge sharing * Collaborate with Product, DevOps and data/AI teams in an Agile environment Requisitos principales * 7+ years of software development experience with proven senior/lead delivery * Strong Java expertise (Spring Boot, Hibernate) and solid Python experience * Understanding of microservices, REST APIs, distributed systems and system design * Experience with cloud platforms (AWS, Azure or GCP), Docker and CI/CD practices * Solid knowledge of software security fundamentals (IAM, SSL/TLS, OAuth/JWT) and secure coding; compliance exposure is a plus * Experience with relational and non-relational databases and observability *

📌 Sr Frontend Engineer (Barcelona)
🏢 Sita - Société Internationale De Télécommunications
📍 Barcelona