Yuun Lim
Software Engineer at Aptos Labs
Mountain View, California, United States
Summary
🤩
Rockstar🎓
Top SchoolYuun Lim is a software engineer with 8 years of experience building reliable backend systems and automation, currently contributing to Aptos Labs on a Layer 1 blockchain project. At Aptos they focused on test transaction infrastructure and CI/CD automation for indexer integration tests, blending DevOps and backend engineering to improve test fidelity for a high-throughput distributed ledger. Previously at Amazon they shipped production services as an SDE/SDE II, gaining experience in scalable systems and operational rigor. Yuun’s background includes early-stage engineering roles and research assistance, reflecting a habit of quickly adapting to new domains and tools. Based in California and trained in computer science at the University of Washington, they bring a pragmatic, test-driven approach to engineering complex systems. An understated strength is their knack for turning brittle test environments into repeatable, automatable pipelines that accelerate developer velocity.
8 years of coding experience
5 years of employment as a software developer
Bachelor of Science - BS, Computer Science, Bachelor of Science - BS, Computer Science at University of Washington
Stackoverflow
1reputation
0reached
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Github Skills (14)
testing10
aptos10
move10
rust10
blockchain10
cicd10
scripting9
githubaction-workflow9
github-ci9
shell9
script9
sh9
json9
smart-contracts9
Programming languages (8)
Github contributions (5)
aptos-labs/aptos-core
Jan 2024 - Feb 2026
Aptos is a layer 1 blockchain built to support the widespread use of blockchain through better technology and user experience.
Role in this project:
Backend & DevOps Engineer
Backend & DevOps EngineerContributions:106 reviews, 63 PRs, 272 pushes in 2 years 1 month
Contributions summary:Yuun primarily contributed to the test transaction infrastructure, focusing on generating and managing test data for the Aptos blockchain. They implemented scripts and build processes to create test JSON files and integrate them into the testing framework. Additionally, the user worked on automating the CI/CD workflow for indexer processor integration tests. They also modified the indexer-grpc and transaction generator configuration and test files.
blockchainblockchain-networksmart-contractsaptos
aptos-labs/aptos-indexer-processors-v2
Feb 2025 - Jan 2026
Contributions:1 release, 36 reviews, 36 PRs in 11 months
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