Microsoft Principal Software Engineer 

Taiwan, Taoyuan City 

293214466

Azure Cosmos DB for NoSQL is a fully managed and serverless NoSQL and vector database for modern app development, including AI applications and agents. It is ideal for real-time NoSQL applications that require global presence, high performance and distributed computing over massive volumes of NoSQL and vector data. OpenAI relies on Cosmos DB to dynamically scale their ChatGPT service – one of the fastest-growing consumer apps ever – enabling high reliability and low maintenance.

Required/Minimum Qualifications

• Bachelor's Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python
  • OR equivalent experience.
• 5+ years of experience building system designs and solutions on distributed systems.

Other Requirements

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.

Preferred/Additional Qualifications

• Experience designing, building, and operating large-scale NoSQL cloud databases (e.g., Cosmos DB, DynamoDB, Cassandra, MongoDB) with emphasis on scalability, availability, and observability.
  
• Experience collaborating with partner teams to ensure seamless integration, end-to-end testing, and operational readiness, including telemetry, scalability validation.
• Experience engaging directly with customers to understand scenarios, validate requirements, and incorporate feedback into design and solution improvements.

Certain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here:Microsoft will accept applications for the role until October 16, 2025.

• Lead architectural design for complex, large-scale services, producing clear design documents that capture dependencies, trade-offs, and long-term scalability.
• Build and maintain high-quality, extensible, and reliable code, while defining comprehensive test strategies to ensure functionality, prevent regressions, and validate security.
• Collaborate with partner teams to ensure seamless integration, end-to-end testing, and operational readiness, including telemetry, scalability validation
• Ensure live-site excellence by leading on-call operations, improving troubleshooting guides, telemetry, and automation to enhance on-call effectiveness; recommend user-facing documentation and additional test coverage to reduce incidents.
• Engage directly with customers to understand scenarios, validate requirements, and incorporate feedback into design and solution improvements.
• Mentor engineers and lead by example in producing maintainable, secure, and performant code that adheres to design specifications.
• Produce technical blogs and content that showcase the scale, innovation, and engineering excellence of Cosmos DB, helping grow awareness and adoption across the developer community.

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