• Write production-quality code daily, with an emphasis on backend systems and LLM-powered features. • Design, build, and evolve backend architectures that support conversational AI and health-focused LLM applications. • Develop, integrate, and maintain LLM applications, including conversational flows, orchestration logic, and AI-driven services. • Apply prompt engineering techniques to improve response quality, reliability, and safety. • Optimize LLM-backed systems for latency, concurrency, uptime, and cost efficiency. • Build and maintain APIs and microservices that power web, mobile, and device-level experiences. • Contribute to web and mobile applications using React and React Native, primarily to enable and integrate backend and AI functionality. • Collaborate closely with a team of high-performing engineers across product, infrastructure, and AI.

• Write production-quality code daily, with an emphasis on backend systems and LLM-powered features. • Design, build, and evolve backend architectures that support conversational AI and health-focused LLM applications. • Develop, integrate, and maintain LLM applications, including conversational flows, orchestration logic, and AI-driven services. • Apply prompt engineering techniques to improve response quality, reliability, and safety. • Optimize LLM-backed systems for latency, concurrency, uptime, and cost efficiency. • Build and maintain APIs and microservices that power web, mobile, and device-level experiences. • Contribute to web and mobile applications using React and React Native, primarily to enable and integrate backend and AI functionality. • Collaborate closely with a team of high-performing engineers across product, infrastructure, and AI.

• Write production-quality code daily, with an emphasis on backend systems and LLM-powered features. • Design, build, and evolve backend architectures that support conversational AI and health-focused LLM applications. • Develop, integrate, and maintain LLM applications, including conversational flows, orchestration logic, and AI-driven services. • Apply prompt engineering techniques to improve response quality, reliability, and safety. • Optimize LLM-backed systems for latency, concurrency, uptime, and cost efficiency. • Build and maintain APIs and microservices that power web, mobile, and device-level experiences. • Contribute to web and mobile applications using React and React Native, primarily to enable and integrate backend and AI functionality. • Collaborate closely with a team of high-performing engineers across product, infrastructure, and AI. • Gain exposure to adjacent areas such as radar data pipelines, embedded devices, AWS infrastructure, and Kubernetes-based deployments.

Role Description En Imagemaker nos encontramos en búsqueda de nuestro/a próximo/a Desarrollador/a Full Stack Senior con amplia experiencia en desarrollo frontend y backend, y arquitectura de software. Serás un referente técnico dentro del equipo, liderando el diseño y construcción de aplicaciones web escalables, seguras y de alto rendimiento. Tu rol será clave para definir estándares de calidad y guiar decisiones arquitectónicas que impacten en toda la plataforma. Key Responsibilities - Liderar el diseño e implementación de arquitecturas de software escalables - Desarrollar interfaces de usuario modernas, responsivas y accesibles - Diseñar y desarrollar APIs RESTful y/o GraphQL - Definir y mantener la arquitectura de microservicios - Escribir código limpio, testeable y bien documentado que sirva como referencia - Liderar code reviews y sesiones de pair programming - Mentorear y guiar técnicamente a desarrolladores junior y mid - Colaborar con equipos de QA, producto y stakeholders - Definir e implementar estrategias de seguridad y buenas prácticas - Documentar soluciones técnicas, flujos de datos y decisiones arquitectónicas - Participar en la planificación técnica y estimación de proyectos - Proponer e implementar mejoras continuas en procesos y herramientas de desarrollo - Investigar y evaluar nuevas tecnologías para su adopción en el equipo Qualifications - Frontend: Next.js, React, TypeScript (nivel experto) - Backend: Node.js, Express.js, NestJS - Testing: Jest - Arquitectura: Patrones de diseño, principios SOLID - Bases de datos: SQL y NoSQL - Control de versiones: Git, GitHub (branching strategies) - Calidad de código: ESLint, SonarQube, métricas de calidad - Seguridad: Gestión de secretos, JWT, OAuth 2.0, OIDC, OWASP - Contenedores: Docker - Metodologías: Ágiles (Scrum/Kanban) - IA Generativa: Experiencia avanzada con GitHub Copilot, Claude, Cursor - CI/CD: Pipelines de integración y despliegue continuo Requirements - Mínimo 3 años de experiencia comprobable en desarrollo full stack - Mínimo 2 años en roles de liderazgo técnico o como Senior Developer - Experiencia trabajando y liderando equipos ágiles Benefits - Modalidad Contractor