# Claudia Sun > Software Engineer at Soraban | Previously at Apple, Twitter, Microsoft Location: San Francisco, California, United States Profile: https://flows.cv/claudiasun 🚀 Spark on Kubernetes | Distributed Systems | Big Data Platform Security | ML Platforms 🚀 Welcome to my LinkedIn profile! I'm Claudia, a Data Infrastructure Engineer with a focus on driving efficiency and security in data and machine learning platforms. With expertise in Spark on Kubernetes, I optimize data processing while ensuring scalability and reliability in distributed systems environments. I'm passionate about fortifying big data platforms with security measures such as Apache Ranger, safeguarding data integrity and compliance. Additionally, I contribute to advancing machine learning platforms by integrating Spark and Kubernetes, streamlining workflows for model development and deployment. With 6 years of experience, I'm dedicated to delivering practical solutions that meet the evolving needs of technology ecosystems. ## Work Experience ### Software Engineer @ Soraban Jan 2025 – Present | United States At Soraban I built a production AI agent for accounting firms from 0→1 — multi-agent systems, schema-aware RAG, Text-to-GraphQL, full observability stack, Cloud Run deployment, model routing, and product UX design. Early-stage startup lesson: there's no 'that's not my scope.' You architect the system, ship it, sit with users, watch it break, fix it, and iterate. Refine Search, source links, error recovery. None of that came from a roadmap. It came from listening and quick iterations. ### Software Engineer, Data Infrastructure @ Apple Jan 2023 – Jan 2025 | Seattle, Washington, United States Apple Data Platform Team Cloud-native Spark on K8S. Spark Service Security. ### Software Engineer @ Twitter Jan 2022 – Jan 2023 | Seattle, Washington, United States Ads Intelligence Team - Gold Bird Establish backend Dataflow pipelines on GCP. ### Software Engineer @ Microsoft Jan 2019 – Jan 2022 | Redmond, Washington Mainly focus on frontend tooling optimization of SharePoint to make SharePoint a better service for everyone! OSS contributor: Rushstack ### Software Engineer Intern @ Microsoft Jan 2018 – Jan 2018 | Redmond, Washington ## Education ### Master's degree in Computer Science University of Illinois Urbana-Champaign ### Bachelor of Science - BS in Computer Science Purdue University ## Contact & Social - LinkedIn: https://linkedin.com/in/zhaoya-sun --- Source: https://flows.cv/claudiasun JSON Resume: https://flows.cv/claudiasun/resume.json Last updated: 2026-04-05