Paul Masurel
Tokyo, Japan
Summary
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RockstarPaul Masurel is a Staff Engineer and long-time search systems specialist with 14 years of experience building scalable, production-grade back ends for search and observability. He co-founded Quickwit and is a principal author and maintainer in the Rust search ecosystem—most notably contributing to tantivy, a Lucene-inspired Rust full-text engine, and to Quickwit’s cloud-native search platform. His career spans high-impact roles at Datadog, Google Search, and Indeed, where he delivered core indexing, autocomplete and relevance features that measurably improved user metrics. Comfortable moving between low-level performance work and product-facing engineering, he’s known for optimizing block-based indexing, rigorous refactors and adding thorough benchmarks and tests. Trained in engineering and image processing at CentraleSupélec and the University of Tokyo, he combines academic rigor with startup grit.
14 years of coding experience
Github Skills (22)
algorithms10
tantivy10
indexing10
data-structure10
indexer10
data-structures10
rust10
json-parser9
unit-testing9
json9
jsonp9
parsing9
performance-optimization9
seo-optimization8
optimisation8
Programming languages (13)
Github contributions (5)
quickwit-oss/quickwit
May 2021 - Jan 2023
Cloud-native search engine for observability. An open-source alternative to Datadog, Elasticsearch, Loki, and Tempo.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:3 releases, 3150 reviews, 456 commits in 1 year 8 months
Contributions summary:Paul's commits primarily involve enhancements to the Quickwit search engine's functionality through the implementation of benchmarking tests and code refactoring. Specifically, the user implemented new benchmarking tests for parsing documents and displaying throughput. The user has been making adjustments to the default document mapper, particularly regarding the treatment of JSON fields and their expansion, which suggests an active involvement in the core indexing and search functionalities. Further, commits indicate error corrections in the indexing pipeline, specifically concerning the pusher API and other data indexing functions.
analyticsrustlog-analyticslog-managementlogging
quickwit-oss/tantivy
Jan 2016 - Jan 2023
Tantivy is a full-text search engine library inspired by Apache Lucene and written in Rust
Role in this project:Back-end Developer
Back-end DeveloperContributions:50 releases, 2266 reviews, 1959 commits in 7 years 1 month
Contributions summary:Paul's commits primarily focus on implementing features related to indexing and text search, as indicated by changes to the `snippet`, `termdict` and postings modules. The code changes reveal efforts to improve the performance and functionality of the search engine, notably by optimizing the block-based indexing and handling different term frequencies during the merging of segments. The user's work includes refactoring of low-level features and the addition of unit tests to ensure correctness and performance.
full-text-searchrustfull-textindexingapache
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