Davide Angelocola

Who I am

Tech Lead & Senior Software Engineer, focused on distributed systems, data pipelines, and operational reliability — with a strong emphasis on architecture and secure‑by‑design principles.

My GPG public key: DAAAD56F0AA0B8F2

Web presence

• @github
• @stackoverflow
• @linkedin

Writings

• RFC 9842 for Microservices: It Depends (2026)
• RocksDB Performance and Zero-Copy (2026)
• Announcing zstd-ffm (2026)
• Build the Loop, Not the Prompt (2026)
• Earn Your Rules (2026)
• Rethink Domain Primitives with Valhalla (2026)
• The Cost of Implicitness (2026)
• From BPF to eBPF, Twenty Years Later (2026)
• Java + RocksDB - JNI (2026)
• The Joy of Proper Encapsulation (2026)
• Coding With Claude Code (2026)
• Decouple Allocations from Request Volume (2023)
• Make the Implicit Explicit (2022)
• Your compiler is already part of your Security Team (2021)
• Write Down The Why (2020)
• The Slow Fix (2018)
• The road from Java 8 to Java 11 (2018) PDF HTML

Public presentations

All my public presentations made with reveal.js

• Migrate a big insurance webapp from Hibernate 3.x to Hibernate 5.x (no public slides), @exmachina.ch (2017)
• Spring Boot, @exmachina.ch (2016)
• Webapp made simple, @exmachina.ch (2015)
• Infrastructure as code with Puppet, @exmachina.ch (2014)

Projects

• eBPF-sensor, eBPF sensor in Python (2026)
• zstd-ffm, Zstandard bindings in pure Java via FFM (2026)
• vortex-java, columnar format in pure Java, zero-copy via FFM (2026)
• refined-type, domain primitives + Valhalla in Java (2026)
• rocksdbffm, RocksDB FFM bindings in Java (2026)
• hosh, Human Oriented SHell in Java (2018)
• fungoid, transducer library in Javascript (2016)
• vim-stuff, my minimal .vimrc (2013)
• jresync, translate forward/backward SRT subtitles in Java (2012)
• uritemplate, RFC 6570 implementation in Clojure (2011)
• wr command line client and library for wordreference.com in Java (2011)
• elisp-split-init, GNU Emacs library (2011)
• Dollar (repository lost), jQuery like DSL in Java (2009-2010)
• LambdaScript, yet another functional library in Javascript (2009)
• maven s3 wagon provider, deploy maven artifacts to S3 in Java (2009)
• strtotime() clone, in Java (2009)
• pangolin, a sniffer written to learn raw sockets and some BPF filters in C (2004)
• Sem, an abstract semantic processor in C (2004)
• sushi, pen&paper games across the internet, in C (2001)
• spar, math application framework, in C (2000)

Favorite Quotes

Design depends largely on constraints. — Charles and Ray Eames

Simplicity does not precede complexity, but follows it. — Alan Perlis

If you think good architecture is expensive, try bad architecture. — Brian Foote and Joseph Yoder, Big Ball of Mud

Updated: 14 September 2026