• Develop APIs using Node.js, Postgres and/or MongoDB. • Monitor the health of our applications. • Contribute to architectural improvements. • Assist in resolving and improving technical debt. • Propose new ideas and reusable architectural solutions. • Identify improvements in the design of our code and systems. • Participate in the strategic direction of the engineering team. • Mentor and help team members grow and progress in their careers. • Identify bottlenecks and performance improvements in our databases or APIs. • Serve as a reference for best practices during the development of our systems and applications. • Ensure our components maintain good code design. • Ensure our services have a healthy level of coupling. • Ensure that new developments do not degrade the quality and health of our services.

• Lead the Checkout domain for the Electronics vertical from a technical perspective. • Design solutions, define architecture, and drive the technical evolution of systems. • Manage initiatives end-to-end, from conception to delivery, ensuring quality, stability and alignment with business objectives. • Act as the Checkout domain spokesperson in alignments with partner teams, Product, Business and other stakeholders. • Provide technical direction for the domain, ensuring consistency between architectural decisions, execution and strategy. • Support recruitment and development of team members with skills aligned to the technologies and disciplines required by the domain. • Map technical gaps and define the capabilities needed to sustain the domain’s evolution. • Guide the team in day-to-day activities through technical mentorship, support on complex decisions and dissemination of best practices. • Ensure collaboration among involved teams, facilitating communication, dependency management and decision-making. • Monitor technical and business metrics, proposing continuous improvements to the checkout journey. • Use AI tools to accelerate development, support technical decisions and increase squad productivity.

• Administración y soporte de sistemas: Linux Red Hat, IBM AIX • Gestión de incidencias, peticiones y cambios • Administración de: Configuración, Disponibilidad, Capacidad, Continuidad, Seguridad • Participación en proyectos de: Evolución tecnológica, Mejora de infraestructuras, Diseño y propuesta de soluciones técnicas • Vigilancia tecnológica y seguimiento de tendencias del mercado • Colaboración con equipos técnicos multidisciplinares.

• Administración de bases de datos PostgreSQL: Instalación, Configuración, Monitorización, Mantenimiento • Optimización de rendimiento: Tuning de bases de datos, Optimización de consultas SQL • Soporte a equipos de desarrollo en optimización de sentencias • Gestión de incidencias, cambios y peticiones en entornos productivos • Gestión de: Configuración, Disponibilidad, Capacidad, Continuidad, Seguridad • Participación en proyectos de evolución tecnológica • Definición de mejoras de arquitectura y buenas prácticas • Vigilancia tecnológica y propuesta de nuevas soluciones