Rafael Kallis
Owner at ZHAW School of Engineering
Zurich, Zurich, Switzerland
Summary
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Rockstar🎓
Top SchoolRafael Kallis is a Zurich-based software engineer and consultant with 11 years' experience building full-stack, blockchain and data-driven systems for fintech clients. As owner of Rafael Kallis Consulting he architects and implements complex products—from retail financing platforms to AMMs, IDO launchpads and block explorers on Hedera, Milkomeda and Cardano sidechains. He blends hands-on engineering (TypeScript, Solidity, Go, .NET) with research-led data science and DevOps experience from industry and academic projects, and occasionally authors and reviews academic papers. Rafael also advises on software maintenance improvements using machine learning and supports near-shoring and talent acquisition for growing teams. His work sits at the intersection of disruptive ledger tech, enterprise architecture and practical product delivery, with a pragmatic focus on auditable, production-ready systems.
11 years of coding experience
Bachelor of Science, Computer Science, Bachelor of Science, Computer Science at University of Zurich
Stackoverflow
158reputation
51kreached
7answers
1question
Github Skills (142)
transaction10
visual-studio-code-extension10
fasttext10
javascript10
github-app10
editor10
nest10
server-side10
electron10
classification10
typescript10
git-workflow10
radix-tree10
nodejs10
visual-studio-code10
Programming languages (13)
Github contributions (5)
rafaelkallis/net-caching-postgres
Apr 2024 - Jun 2026
.NET Distributed Cache using Postgres.
Contributions:5 PRs, 61 pushes, 22 branches in 2 years 1 month
distributed-cachedotnetpostgresqlpostgres
rafaelkallis/adaptive-radix-tree
Jun 2018 - Jun 2022
An adaptive radix tree for efficient indexing in main memory.
Contributions:5 releases, 3 reviews, 149 commits in 4 years
radix-tree
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