Kasperi Apell
SWE at ssh.com. Previously Applied Mathematics at University of Helsinki.
Interested in systems programming and programming close to the hardware.
News
SWE at ssh.com. Previously Applied Mathematics at University of Helsinki.
Interested in systems programming and programming close to the hardware.
News
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May 2025
Published Qstra, a persistent database serving Bloom filters, written in Rust.
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Jan 2024
Joined ssh.com as a software engineer, working on cybersecurity systems.
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Qstra: A persistent database serving Bloom filters, written in Rust.
Manage Bloom filter state in a persistent manner. Asynchronous command execution through network or local UNIX connections.
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ThmDex: A repository of mathematics notes.
These are all written by yours truly. Contains over 6000 definitions, over 5500 theorems, and over 3000 proofs, a minority of which are public. Some errors definitely exist.
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Naminum: A domain-name search engine.
Processes over 400k data points daily to determine domain name availabilities across the .com, .net, and .org TLDs.