Tian Xia
Software Engineer at Salesforce
Berkeley, California, United States
Summary
🤩
Rockstar🎓
Top SchoolTian Xia is a software engineer based in Berkeley with five years of experience building scalable full-stack systems and cloud-native tooling. Currently at Salesforce, Tian works on Lightning Reports & Dashboards, supporting billions of report runs monthly and integrating analytics with platforms like Slack. They contribute to prominent open-source projects—most notably SkyPilot, improving cross-cloud disk provisioning and CLI DevOps, and Apache TVM, optimizing async GPU memory copies—demonstrating both systems and ML/compiler expertise. Tian’s background spans product-facing engineering at HP and backend/devops for multi-cloud AI workloads, plus research and teaching roles in AI and robotics, reflecting a strong mix of practical product delivery and academic rigor. Colleagues describe Tian as someone who bridges low-level performance work and user-facing features, often surfacing infrastructure fixes that materially improve reliability across providers.
5 years of coding experience
1 year of employment as a software developer
High School Exchange Program, High School Exchange Program at ITE E.TosiBachelor's degree, Computer Science, Bachelor's degree, Computer Science at Northeastern UniversityMaster's degree, Software Engineering, Master's degree, Software Engineering at Carnegie Mellon University
Github Skills (25)
performance-monitor10
cloud-manager10
python10
command-line-interface10
machine-learning10
deeplearning-ai10
compiler-compiler10
manage10
deep-learning10
performance-analysis10
gpu10
command-line10
cuda10
compiler10
cli10
Programming languages (2)
Github contributions (5)
skypilot-org/skypilot
Feb 2023 - Mar 2025
SkyPilot: Run AI and batch jobs on any infra (Kubernetes or 16+ clouds). Get unified execution, cost savings, and high GPU availability via a simple interface.
Role in this project:
Back-end & DevOps Engineer
Back-end & DevOps EngineerContributions:1749 reviews, 424 PRs, 1338 pushes in 2 years 2 months
Contributions summary:Tian primarily focused on enhancing the SkyPilot CLI, specifically in the area of disk tier configuration and support across multiple cloud providers (GCP, AWS, and Azure). They implemented features for improved disk performance and also fixed critical issues related to Azure. The commits demonstrate strong engagement with the provisioning system, along with related infrastructure concerns.
pythonspot-instancesserverlesstpuml-infrastructure
apache/tvm
Feb 2023 - Jul 2023
Open deep learning compiler stack for cpu, gpu and specialized accelerators
Role in this project:ML Engineer
ML EngineerContributions:6 reviews, 13 PRs, 11 comments in 5 months
Contributions summary:Tian contributed to the TVM compiler stack, specifically focusing on enabling and optimizing async memory copy operations within the compiler's TIR (Tensor Intermediate Representation) framework. They worked on supporting CUDA's `cp.async` ptx for `tir.if_then_else` calls, which led to improvements in async copy for padding. Their work also involved integrating async pipelines into the MetaSchedule framework, enhancing the performance of convolution and GEMM workloads. This indicates a strong understanding of compiler optimization techniques and GPU architecture.
metalvulkancompilertensoropencl
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