Tim Deeb-swihart
Staff Software Design Engineer at Temporal Technologies
United States
Summary
🤩
Rockstar🎓
Top SchoolTim Deeb-swihart is a Staff Software Design Engineer with 11 years of experience building high-reliability distributed systems and cloud services. He has driven major platform improvements—from a cross-codebase protobuf migration and tooling at Temporal to performance and availability enhancements for MariaDB Xpand—consistently reducing costs and operational pain. Comfortable moving between Go and C, Tim has a track record of profiling and refactoring to achieve 10x–30x throughput gains and dramatic reductions in CPU and on-call load. He contributes to prominent open-source projects such as Temporal, where his backend work improved error handling, task ordering, and performance optimizations. A former research engineer and cybersecurity analyst, he brings a security-minded, measurement-driven approach and has shipped infrastructure that scales to hundreds of nodes and millions of segments. Colleagues rely on him to tackle brittle systems with careful tooling, AST-level transformations, and pragmatic automation.
11 years of coding experience
8 years of employment as a software developer
Bachelor of Science (BS), Computer Science, Bachelor of Science (BS), Computer Science at College of Computing at Georgia TechMaster of Science (M.S.), Computer Science, Master of Science (M.S.), Computer Science at Georgia Institute of Technology
English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (12)
microservices-application10
error-handling10
distributed-systems10
workflow-engine10
go10
microservices10
testing9
elasticsearch-api9
amazon-elasticsearch9
aws-elasticsearch9
elasticsearchquery9
elasticsearch9
Programming languages (12)
Github contributions (5)
temporalio/temporal
Oct 2020 - Mar 2025
Temporal service
Role in this project:
Back-end Developer
Back-end DeveloperContributions:2 releases, 519 reviews, 112 PRs in 4 years 5 months
Contributions summary:Tim primarily contributed to the back-end aspects of the Temporal service, focusing on improving the system's internal workings. They made changes to the environment variable setup, bumped the Go version to 1.21 to support the `log/slog` package, and improved error handling for HTTP 400 errors from Elasticsearch. Furthermore, they worked on fixing ordering bugs in matching behavior tests and refactored code related to DLQ handling, and also improved performance by optimizing the ackManager and the logic for terminal task errors.
service-busmicroservice-orchestrationworkflow-automationworkflow-enginedocker
BishopFox/aws-signing
Jun 2020 - May 2021
CLI that allows user to submit http requests using AWS request signing
Contributions:2 releases, 8 commits, 2 PRs in 11 months
http-requestsrequest-signingsigningsubmitrequest
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