Ruan Pearce-authers
Director at Quantifun Ltd
Nottingham, England, United Kingdom
Summary
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RockstarRuan Pearce-authers is a seasoned software and data engineering leader with 14 years of experience building scalable online services, cloud-native data platforms and game backends. Currently directing Quantifun and serving as CTO and co-founder of Fiero Studio, he blends hands‑on engineering—spanning core game engines, telemetry, web UIs and APIs—with strategic product and team leadership. His background includes leading large cloud migrations (GCP to AWS), delivering data platforms for the public sector and high‑scale games with over 1.5M daily users, and implementing production ML pipelines and A/B testing infrastructure. An active open-source contributor, he has improved the Apache DataFusion SQL engine with optimisations, namespacing support and README validation tooling. Colleagues rely on him for connecting product metrics to engineering execution and for translating research prototypes into production systems. He describes himself as a recovering game developer—bringing a player-focused curiosity to data-driven, resilient systems.
14 years of coding experience
11 years of employment as a software developer
English, French
Github Skills (9)
fusion10
query-engine10
rust10
arrow-keys10
sql10
arrows10
arrow-js10
data-structures8
data-structure8
Programming languages (7)
Github contributions (5)
apache/datafusion
Apr 2021 - Feb 2022
Apache DataFusion SQL Query Engine
Role in this project:
Back-end Developer
Back-end DeveloperContributions:16 reviews, 5 PRs, 27 comments in 10 months
Contributions summary:Ruan contributed to the Apache DataFusion SQL Query Engine by implementing features and optimizing code. Their work included adding support for aliased aggregate expressions and implementing filter pushdown optimizations for TableProvider implementations. They also integrated a doc-comment crate to ensure the validity of examples in the README and refactored the codebase to support catalogs and schemas for table namespacing.
querypythonquery-enginedataframerust
returnString/Servya
Jul 2014 - Jan 2015
Contributions:51 commits, 7 pushes in 6 months
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