Haifeng He
Software engineer focused on distributed systems and storage
Bellevue, Washington
Summary
Systems and storage engineering: Haifeng has extensive experience building high-performance storage and distributed systems, with concrete work on DynamoDB at AWS and backend features at Temporal focused on replication, namespace management, and core data operations. getprog+2
Research-driven systems background: He has an academic background in program analysis and operating systems from the University of Arizona, with multiple peer-reviewed publications on OS kernel code compaction and related topics. arizona+2
Open-source contributor: Actively contributes to open-source repositories related to Temporal (including s2s-proxy and core service commits), indicating hands-on engineering and collaboration in public codebases. github+2
Inventor and applied systems thinker: Named inventor on an Amazon-assigned patent about schema versioning for key-value stores, reflecting applied systems and storage design work in industry. google+1
Technical leadership and hiring: Profiles indicate roles as a software development manager at AWS overseeing DynamoDB teams, combining hands-on systems engineering with leadership and hiring responsibilities. getprog
Work
Education
Projects
Writing
US11138164B1 - Alter table implementation details with schema versioning
October 1, 2021Patent (assigned to Amazon Technologies Inc.) describing techniques to modify table-oriented schemas for data stored in key-value or non-relational databases, supporting schema versioning and column modifications.
The Revenge of the Overlay: Automatic Compaction of OS Kernel Code via On-Demand Code Loading
January 1, 2007Conference paper presenting techniques for automatic compaction of OS kernel code using on-demand code loading to reduce memory footprint.
Code Compaction of an Operating System Kernel
January 1, 2007Conference paper on code compaction techniques for operating system kernels.