Acha Bill
Software Engineer
Douala, Littoral, Cameroon
Summary
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RockstarAcha Bill is a software engineer based in Douala, Cameroon, with 10 years of hands-on experience building and optimizing back-end systems. He has contributed to the well-known IOTA reference implementation, improving memory usage in state serialization, hardening API error handling, and adding transaction caching to boost performance. Comfortable working deep in the network and database layers, he has also fixed critical bugs affecting peer management, showing an aptitude for reliability under real-world conditions. His profile suggests a pragmatic engineer who combines performance tuning with practical API and infrastructure improvements. Notably, he brings open-source experience on a distributed ledger project, indicating familiarity with high-throughput, consistency-sensitive systems.
10 years of coding experience
Github Skills (7)
javas10
caching10
back-end-development10
api-design10
java10
database-optimization9
iota9
Programming languages (7)
Github contributions (5)
iotaledger/iri
Nov 2019 - Apr 2020
IOTA Reference Implementation
Role in this project:
Back-end Developer
Back-end DeveloperContributions:57 commits, 40 PRs, 5 pushes in 5 months
Contributions summary:Acha focused on improving the IOTA Reference Implementation's functionality and performance. They optimized memory usage for database object serialization within the `StateDiff.java` file. The user also improved API error responses for `storeTransactions` and implemented a caching framework for transactions and transaction parents, significantly enhancing the system's efficiency. Furthermore, they addressed a critical bug related to removing neighbors in the network layer.
iotareference-implementation
achabill/optimusinventory
Jul 2017 - Dec 2017
Contributions:29 commits in 5 months
inventoryinventory-manager
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