Davide Angelocola
Tech Lead, Senior Software Developer at SIX
Zurich, Zurich, Switzerland
Summary
👤
Senior🎓
Top SchoolDavide Angelocola is a tech lead and senior software developer with 17 years of experience building high-performance, production-grade systems from Zurich. He designs and implements data-heavy services—bitemporal RocksDB-backed databases, ElasticSearch/Kafka pipelines, WebSocket market feeds and immutable BlobDB indexes—bringing a pragmatic focus on APIs, architecture, security and operations. Known for optimizing non-functional requirements, he has a track record of squeezing latency and allocations from core libraries, including performance enhancements and streaming support to the widely used graphql-java project. Comfortable both leading teams and shipping hands-on code, he blends systems thinking with practical engineering discipline honed across finance, SaaS and startup environments. Proudly academic (MSc Cum Laude), he pairs formal training with a knack for turning complex constraints into maintainable, observable systems.
17 years of coding experience
12 years of employment as a software developer
Master's degree, Computer Science, Cum Laude, Master's degree, Computer Science, Cum Laude at University of Rome Tor Vergata
Italian, English
Stackoverflow
115,361reputation
22.6mreached
662answers
28questions
debugging
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malloc
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regex
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oop
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jdbc
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gcc
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Github Skills (82)
authentication10
loops10
design-patterns10
javas10
junit10
syntaxerror10
namespaces10
javascript10
forloop10
integer10
performance-optimization10
wordpress-graphql10
html10
byte10
reflection10
Programming languages (9)
Github contributions (5)
graphql-java/graphql-java
Sep 2020 - Nov 2022
GraphQL Java implementation
Role in this project:
Back-end Developer
Back-end DeveloperContributions:21 reviews, 28 commits, 35 PRs in 2 years 2 months
Contributions summary:Davide focused on optimizing the `graphql-java` implementation by identifying and addressing performance bottlenecks. Their contributions included pre-sizing internal data structures, removing unnecessary allocations, and introducing caching mechanisms. Furthermore, the user added support for streams and iterators, enhancing the flexibility of the data fetching process. The user's changes improved efficiency and performance within the GraphQL Java library.
javagraphql-javagraphql
hosh-shell/hosh-shell.github.io
Jun 2020 - Dec 2023
website for hosh
Contributions:2 PRs, 39 pushes, 2 branches in 3 years 7 months
hosh
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