• Design, develop, and maintain high-quality software with a focus on long-term sustainability, scalability, and performance • Lead the transition from legacy components toward a modern, TS-based microservices architecture • Write clean, efficient, and well-tested code primarily using Node.js, TypeScript, and React, while remaining open to using the best tool for specific architectural problems • Take accountability for the full SDLC: from initial technical design and architecture discussions to deployment and post-launch monitoring • Ensure high performance and robustness in high-traffic, mission-critical environments where millions of requests are handled daily • Drive improvements in the team's ways of working by promoting Agile practices, TDD, and a "You build it, you run it" DevOps culture • Mentor fellow developers and contribute to code reviews and technical documentation to ensure high engineering standards • Explore and integrate emerging technologies—including AI/ML where relevant—to enhance system efficiency and user experience

• Develop and maintain full stack web applications using C# (MVC) and SQL Server • Collaborate with cross-functional teams to define and implement new features • Write clean, scalable, and well-documented code • Assist in troubleshooting, debugging, and optimizing applications

• Define and own the end-to-end technical architecture • Build and ship the first version of a mobile-first fintech product • Write and review production-level code across the full stack • Lead and coordinate external development agencies working on the project • Establish AI-first ways of working with Claude Code / Cursor • Make key decisions around tooling, infrastructure, and security • Translate ambiguity into clear technical direction • Balance rapid iteration with fintech-grade reliability and risk awareness

• Diseño de Arquitectura: Liderar la definición de arquitecturas robustas y escalables (Microservicios, Serverless, Event-Driven) que soporten el procesamiento y la visualización de grandes volúmenes de datos. • Integración Avanzada de IA: Diseñar patrones de integración para el consumo eficiente de modelos de Machine Learning, optimizando la latencia y la gestión de estados en aplicaciones en tiempo real. • Liderazgo Técnico y Mentoring: Actuar como mentor de desarrolladores junior/mid, realizar revisiones de código críticas y promover mejores prácticas de ingeniería (Clean Code, SOLID, Design Patterns). • Desarrollo Core: Implementar las funcionalidades más complejas del ecosistema, asegurando que el backend (Java/Python/Node.js) y el frontend (Angular/React) estén perfectamente sincronizados. • Seguridad y Performance: Garantizar que las aplicaciones cumplan con los estándares de seguridad corporativa y optimizar el rendimiento crítico de las plataformas. • Colaboración Estratégica: Trabajar con Arquitectos de Datos y Product Owners para traducir necesidades de negocio complejas en hojas de ruta técnicas ejecutables.