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Principal Software Engineer - Fullstack

Spain, Barcelona Employment contract · Job Posted May 27, 2026
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Job Description

Microsoft is a company where passionate innovators come to collaborate, envision what can be and take their careers further. This is a world of more possibilities, more innovation, more openness, and the sky is the limit thinking in a cloud-enabled world. Microsoft’s Azure Data engineering team is leading the transformation of analytics in the world of data with products like databases, data integration, big data analytics, messaging & real-time analytics, and business intelligence. The products our portfolio include Microsoft Fabric, Azure SQL DB, Azure Cosmos DB, Azure PostgreSQL, Azure Data Factory, Azure Synapse Analytics, Azure Service Bus, Azure Event  Grid, and Power BI. Our mission is to build the data platform for the age of AI, powering a new class of data-first applications and driving a data culture. Within Azure Data, the Azure Data Analytics team builds the core analytics experiences in Microsoft Fabric. We own the Data Warehouse, Data Engineering, Data Science, AI, and Power BI workloads, enabling customers to ingest, transform, analyze, and derive insights from structured, semi-structured, and unstructured data at enterprise scale. Our team is at the center of Microsoft's strategy to deliver a seamless, end-to-end analytics experience in Fabric. ​​The Fabric Data Engineering Experience & Infrastructure team is hiring to help build world best Data Engineering platform. You will deliver sophisticated capabilities that are enabling users to design, build, and maintain Data Engineering infrastructure and systems that allow organizations to collect, store, process, and analyze massive volumes of data. We do not just value differences or different perspectives. We seek them out and invite them in so we can tap into the collective power of everyone in the company. As a result, our customers are better served.

Job Responsibility

  • Work closely with a passionate team of engineers to deliver impactful solutions that drive customer success
  • In an AI-first development environment, lead design and implementation, test, ship, and support large-scale services and components that power Fabric Data Engineering experiences, with industry leading quality, performance, scalability, reliability, and security
  • Collaborate with Product Management to define product requirements, validate specifications, and align on customer and business needs
  • Apply a growth mindset to tackle complex technical problems and deliver innovative, high-quality solutions
  • Contribute to a team culture centered on learning, continuous improvement, engineering excellence, and high-quality execution
  • Support and drive live site operations, ensuring service health, availability, and rapid mitigation of issues
  • Mentor and support peers, helping grow the team's collective capabilities and enabling shared success
  • Embody our culture and values

Requirements

  • Bachelor's Degree in Computer Science or related technical field AND proven technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python
  • Proven experience in full stack programming
  • Ability to meet Microsoft, customer and/or government security screening requirements are required for this role. These requirements include, but are not limited to the following specialized security screenings: Microsoft Cloud Background Check: This position will be required to pass the Microsoft Cloud background check upon hire/transfer and every two years thereafter.

Nice to have

  • Master's Degree in Computer Science or related technical field AND significant technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR Bachelor's Degree in Computer Science or related technical field AND substantial technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience
  • Expertise in building high-performance web services using popular web frontend framework like Angular/React/Vue or equivalent
  • Experience leading technical design for services or platforms
  • Experience designing, implementing, deploying, and operating scalable cloud services on top of cloud platform like Azure/AWS/Google Cloud
  • Track record of owning critical systems with high reliability and operational excellence
  • Experience collaborating across engineering, product, and operations teams

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