Daniel Karzel
Lead Software Engineer at Saasyan
Greater Sydney Area Australia
Summary
👤
Senior🎓
Top SchoolDaniel Karzel is a lead software engineer and product-minded full-stack developer with nearly a decade of experience building fintech and security-focused products. He has led engineering teams and sprints at Saasyan, owned product roadmaps and go-to-market strategy for an award-winning self-custodial trading app (10101.finance), and shipped mobile frontends in Flutter alongside Rust backends. Comfortable across product management, data analysis and hands-on coding, he bridges research, community-driven open-source work (comit.network, xmr-btc-swap, itchysats) and commercial delivery. He gravitates toward context-aware systems and sustainability, seeking roles where tech and data can have environmental impact. Based in the Greater Sydney Area, he combines academic foundations in mobile computing with practical experience in cross-platform, on-device security and desktop/web filtering. A detail that often surprises collaborators: he pairs deep protocol-level fintech experience with hands-on mobile and on-premise product delivery.
9 years of coding experience
8 years of employment as a software developer
Engineer's Degree, Chinese Language Lecture, Engineer's Degree, Chinese Language Lecture at Johannes Kepler Universität LinzMaster's Degree, Mobile Computing, Master's Degree, Mobile Computing at Upper Austrian University of Applied Sciences, Campus Hagenberg
English, German, Chinese, Japanese, French
Github Skills (154)
trading10
lightning-network10
peer-to-peer10
cryptocurrency10
sequence-diagram10
monero10
wallet10
chain10
textual10
rust10
lightning10
plantuml10
bitcoin10
diagram10
java10
Programming languages (16)
Github contributions (5)
senacor/SmartContractSlackDapp
Mar 2017 - Oct 2017
Ethereum based smartcontract Dapp to play a lottery via slack
Contributions:21 commits, 5 PRs, 21 pushes in 6 months
lotterydappethereumsmartcontractsolidity
comit-network/xmr-btc-swap
Nov 2020 - Dec 2021
Bitcoin–Monero Cross-chain Atomic Swap
Contributions:2 releases, 457 reviews, 393 commits in 1 year 1 month
swaprustblockchainmonerochain
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