Haifeng He
Software Engineer at Amazon Web Services (AWS)
Bellevue, Washington, United States
Summary
🤩
Rockstar🎓
Top SchoolHaifeng He is a software engineer and engineering leader based in Bellevue with 10 years of experience building high-performance storage and distributed systems. He has led and hired for DynamoDB Core Storage at AWS—driving core data operations and previously overseeing DynamoDB Transaction Service and PartiQL—and also contributes to Temporal's backend where he implemented force-replication and namespace-management workflows plus verification steps to improve cross-cluster consistency. His early work on the Windows kernel and binary code analysis gives him rare systems-level depth that he applies to database engines and complex migrations. Known for blending hands-on backend engineering with people leadership, he focuses on shipping reliable, scalable systems and recruiting strong SDE talent.
11 years of coding experience
12 years of employment as a software developer
Bachelor, Computer Science, Bachelor, Computer Science at East China Normal UniversityComputer Science, Computer Science at University of Arizona College of Engineering
Github Skills (13)
error-handling10
distributed-systems10
workflow-engine10
go10
microservices10
micro10
microarchitecture10
testing9
servicebus9
orchestration8
workflow-automation8
microservice-framework8
temporal7
Programming languages (3)
Github contributions (5)
temporalio/temporal
Jul 2022 - Mar 2025
Temporal service
Role in this project:
Back-end Developer
Back-end DeveloperContributions:79 reviews, 43 PRs, 122 pushes in 2 years 7 months
Contributions summary:Haifeng primarily contributed to the backend of the Temporal service, specifically focusing on the force replication and namespace management workflows. Their work involved implementing error handling and input validation, ensuring the robustness of these critical processes. Further contributions included adding a verification step to confirm the successful application of replication tasks, enhancing data consistency across clusters. They also made improvements to the core services in various migration related activities.
service-busmicroservice-orchestrationworkflow-automationworkflow-enginedocker
temporalio/s2s-proxy
Feb 2025 - Mar 2025
s2s-proxy is a service that intercepts and forwards requests between two Temporal servers.
Contributions:2 releases, 1 review, 9 PRs in 28 days
gomulti-clustersproxytemporal
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