The Specialist - Architecture role requires the candidate to be a .Net/SQL Developer, working on-site in Madrid, Spain. The candidate will communicate with end users and stakeholders in Spanish and collaborate with cross-functional teams to solve technical issues. Responsibilities include designing, building, testing, debugging, and documenting software, implementing engineering tasks, performing code customization, and ensuring data security. The role also involves troubleshooting, database performance tuning, and generating reports. The candidate will independently perform low-level design configuration and review. The role demands expertise in design, development, testing, build, and deployment, with the aim to be a reliable engineer for all stakeholders. Experience in creating and maintaining SQL databases and complex queries and optimization, as well as proficiency in the Spanish language are required.