Phil Davies
Principal Engineer at FoundryOS
Reigate and Banstead, England, United Kingdom
Summary
🤩
Rockstar🎓
Top SchoolPhil Davies is a Principal Engineer with 16 years of experience building backend systems and leading engineering teams across fintech, telematics, and consultancy environments. He combines strong analytical rigor from a Mathematics and Computing Science background with hands-on expertise in Java, C#, Python, Kotlin and database technologies like SQL/PL-SQL. A pragmatic leader and clear communicator, he has progressed from student developer roles to principal technologist positions and now drives architecture and delivery at FoundryOS. Phil is an active open-source contributor, notably improving core serialization and resource management in the popular Arrow Kotlin library, showing a penchant for subtle but impactful library design. He thrives on learning and research-led problem solving, often refactoring legacy behavior to produce safer, more maintainable systems. Based in Reigate, UK, he brings resilience and self-motivation to both individual delivery and cross-functional team leadership.
16 years of coding experience
21 years of employment as a software developer
BSc Hons (2:1) Mathematics and Computing Science, BSc Hons (2:1) Mathematics and Computing Science at University of Surrey
Stackoverflow
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Github Skills (14)
kotlin10
data-serialization10
functional-programming10
arrow-keys10
resource-management10
arrows10
arrow-js10
serialization10
monads9
coroutines9
data-structures8
structures8
data-structure8
typeclass8
Programming languages (10)
Github contributions (5)
arrow-kt/arrow
May 2022 - May 2022
Λrrow - The perfect companion for your Kotlin journey - Inspired by functional, data-oriented and concurrent programming
Role in this project:
Back-end Developer
Back-end DeveloperContributions:13 reviews, 1 commit, 8 PRs in 1 day
Contributions summary:Phil contributed to the Arrow Kotlin library, focusing on core functionality and serialization improvements. Their work included refactoring resource management, specifically the allocation and release order of resources. They also added a SerializersModule for contextual usage of Arrow types, enhanced serialization capabilities for various data types like Either, Ior, Option, and NonEmptyList, and deprecated mapOrAccumulate for Map, as well as renamed several functions.
kotlin-dslfunctional-programmingtypeclassesarrowfor-comprehension
tKe/arrow
Apr 2022 - Mar 2025
Λrrow - Functional companion to Kotlin's Standard Library
Contributions:40 pushes, 13 branches in 2 years 11 months
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