Alessandro Vermeulen
Product Owner Backend Engineering Journey at ING
Flevoland, Netherlands
Summary
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Rockstar🎓
Top SchoolAlessandro Vermeulen is a seasoned backend engineering leader with 15 years of experience and a decade-long commitment to functional programming, transitioning from Haskell to Scala. At ING he champions functional and reactive paradigms, maintains core API platform libraries, and leads the product vision for an internal backend framework and conformance testkit that enforces architecture, performance, and security standards. He has driven developer experience improvements globally—building ING’s API SDK, contributing to a home-grown service mesh based on Finagle and Envoy, and spearheading a self-service portal inspired by Backstage. A hands-on contributor to open-source Finagle, he has improved HTTP observability and robustness through metrics and SSL/DNS fixes, reflecting a focus on resilient, observable systems. Colleagues know him for removing redundancy through elegant abstractions and for coaching teams in functional design and reactive tooling. Based in the Netherlands, he blends deep technical craft with product ownership to make scalable backend development safer and more productive.
15 years of coding experience
6 years of employment as a software developer
VWO NG + Geophysics + Latin, VWO NG + Geophysics + Latin at Johan de Witt-GymnasiumMSc Computing Science, MSc Computing Science at Utrecht University
Dutch, English, Italian, French
Stackoverflow
1,321reputation
113kreached
16answers
19questions
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Github Skills (17)
http10
finagle10
distributed-systems10
scala10
metric10
java9
performance-optimization9
javas9
filter9
testing8
cabal6
haskell6
fold6
functional-programming6
dictionary6
Programming languages (15)
Github contributions (5)
twitter/finagle
Mar 2015 - Jan 2020
A fault tolerant, protocol-agnostic RPC system
Role in this project:
Backend Developer
Backend DeveloperContributions:10 commits, 10 PRs, 94 comments in 4 years 11 months
Contributions summary:Alessandro made several contributions to the Finagle project, focusing on improving the HTTP-related functionalities. They implemented memoization for counters and stats within the `StatsFilter`, enhancing performance. They also added an HTTP stats module and methods to enable HTTP-specific metrics in both client and server, improving the observability of HTTP traffic. In addition, the user addressed issues related to SSL configuration and DNS resolution.
fault-tolerantrpcredismysqlfinagle
UU-ComputerScience/uhc-js
Jan 2012 - Apr 2013
Contributions:40 commits in 1 year 2 months
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