• Develop, maintain, and optimize high-performance backend services in Go (Golang). • Build and improve event pipelines and messaging systems using Kafka (producers, consumers, partitions, consumer groups). • Architect and implement scalable and fault-tolerant distributed systems. • Design APIs (REST/gRPC) and integrations across multiple backend microservices. • Implement unit, integration, and performance tests. • Collaborate closely with DevOps, Data Engineering, and QA teams. • Contribute to architectural decisions regarding schemas, event versioning, idempotency, streaming patterns, and backpressure handling. • Enhance CI/CD pipelines and deployment workflows. • Implement and maintain observability standards using tools like Prometheus, Grafana, and OpenTelemetry. • Mentor junior engineers and contribute to engineering best practices.

• Work on the development and maintenance of the backend in SAP Commerce (CX) • Develop and customize features using Java (Spring Framework) • Implement integrations between SAP Commerce, front-end (React/React Native) and other systems • Work with APIs, REST services and microservices architecture • Support integration with CMS tools (Strapi/URI) • Ensure code quality, performance and development best practices • Collaborate with multidisciplinary teams (front-end, UX, business)

• Design, develop, and maintain RESTful APIs using C# and .NET 6+ ensuring performance, security, and availability; • Actively participate in software architecture decisions, evaluating technical trade-offs and proposing scalable, sustainable solutions; • Evolve application architecture applying concepts such as Clean Architecture, DDD (practical level), and layered architecture according to the product context; • Develop and optimize the persistence layer with Entity Framework Core, including data modeling, migrations, and performance tuning; • Work with relational databases (SQL Server or equivalent), ensuring efficient queries, proper use of indexes, and transactional integrity; • Implement and maintain automated tests (unit and integration) to ensure code quality and reliability; • Contribute to defining and promoting software engineering best practices such as SOLID, Clean Code, and design patterns; • Perform code reviews, contributing to code quality and the team's technical growth; • Support less experienced developers by sharing knowledge and contributing to the team's technical development; • Contribute to application observability, including logging, metrics, and monitoring of production environments; • Collaborate with product and technology teams on the continuous evolution of solutions; • Design and implement integrations based on messaging and asynchronous communication (RabbitMQ, Kafka or similar), contributing to decoupled and scalable architectures.

• Desarrollar y mantener los servicios backend principales en Java/Spring Boot. • Diseñar e implementar APIs REST robustas y sistemas de integración entre servicios. • Implementar patrones de arquitectura distribuida y microservicios, asegurando escalabilidad, alta disponibilidad y mantenibilidad. • Gestionar el flujo completo de datos, desde los servicios backend hasta la persistencia en Firebase/Firestore. • Desarrollar y mantener la interfaz de usuario y la lógica de negocio de aplicaciones web en React. • Desarrollar y optimizar Cloud Functions para procesamiento de eventos y comunicación asíncrona. • Optimizar el rendimiento end-to-end, priorizando la eficiencia de los servicios y la arquitectura. • Colaborar en decisiones de arquitectura de software y ser referente técnico en el equipo. • Implementar testing automatizado para servicios backend (unitario, integración).