• Desarrollo e Implementación de APIs • Diseñar y desarrollar APIs REST o gRPC para la comunicación entre servicios. • Conectar el backend con otras plataformas, bases de datos o servicios web. • Asegurar el rendimiento rápido y concurrente, aprovechando las ventajas nativas de Go (goroutines y channels).

• Diseñar y desarrollar servicios backend escalables y seguros siguiendo buenas prácticas de arquitectura y patrones de diseño. • Implementar APIs RESTful o GraphQL, integraciones con microservicios y mecanismos de autenticación/autorización. • Optimizar rendimiento y consumo de recursos, realizar pruebas de carga y resolver incidentes de producción en colaboración con DevOps/SRE. • Garantizar la seguridad de la información aplicando controles, cifrado y validaciones necesarias en los servicios. • Colaborar con equipos de producto, frontend y QA para definir requerimientos, estimaciones y entregas continuas. • Documentar diseños, APIs y decisiones técnicas para asegurar transferencias de conocimiento y mantenibilidad.

• Drive technical strategy and roadmap • Lead end-to-end delivery of large, cross-functional projects • Own architecture, reliability, performance and cost for critical systems • Define SLOs/SLIs and lead incident response • Improve observability, automation and operational readiness • Align stakeholders and remove blockers • Mentor and grow engineering talent • Represent engineering internally and externally

Role Description As a Senior Software Engineer at YLD, you’ll be part of a client team building innovative products. We’re looking for someone curious, passionate, driven, and enthusiastic. You should be skilled in problem-solving and experienced in designing scalable, resilient, and fault-tolerant architectures. You’re also an effective communicator and a strong team player. Together with your team, you’ll thrive in a fast-paced engineering environment, delivering outstanding results and exciting projects. - Building, maintaining, and scaling the analytics platform infrastructure that underpins analytics, data science, and reporting capabilities; - Designing and managing data ingestion pipelines, ensuring reliable and timely flow from multiple sources; - Implementing and maintaining containerized environments with Docker and orchestration with Kubernetes; - Supporting continuous integration and delivery of platform components using GitHub Actions; - Collaborating closely with Analytics Engineers, Data Scientists, and Analysts to deliver scalable, high-performance solutions; - Monitoring platform performance, identifying bottlenecks, and implementing improvements for reliability and efficiency; - Participating in team knowledge-sharing sessions, demos, and internal workshops to promote best practices. Qualifications - Proven commercial experience in Azure or other cloud platforms; - Strong proficiency in Python for scripting, automation, and pipeline development; - Experience with data ingestion and orchestration tools, e.g., Airbyte, Snowflake, or similar; - Experience with containerization (Docker) and orchestration (Kubernetes); - Familiarity with CI/CD pipelines and infrastructure automation (GitHub Actions or equivalent); - Experience with Infrastructure as Code tools such as Terraform; - Exposure to dbt or similar data transformation tooling is a plus; - Understanding of distributed systems, cloud infrastructure, and platform scalability; - Strong problem-solving skills and the ability to debug production issues under pressure; - Comfortable working in cross-functional teams and collaborating with multiple stakeholders. Requirements - Self-motivated, proactive and always looking for ways to improve and develop yourself; - A good communicator, both in writing and verbally. You’ll be able to explain technical ideas and concepts in business-friendly language; - Detail oriented; - Possess strong problem-solving skills that balance innovation with pragmatic technology choices to solve business needs; - Used to working in a team-oriented, collaborative environment; - Analytical and problem-solving-oriented; - A genuine believer in diversity and fairness. Benefits - Company Private Health care - Enhanced fully paid maternity and paternity leave for up to 6 months - Pension scheme (UK) - 25 days annual holiday (excluding Public Holidays) - £/€2000 annual learning and development budget for training courses and conferences - £/€300 annual allowance for additional hardware - Mental Health support: access to Oli app - Discretionary Bonus (depending on Company performance and results) - Generous referral schemes