
Gustav Stieger
Software Engineering
Currently a member of Toptal I showed an early aptitude and interest in programming (starting at school on Apple ][+). I now have more than 30 years commercial software development experience and a B.Sc. (Hons) degree in Computer Science and Mathematics. I'm a widely experienced, all-rounder with ability to pick up new technologies on-the-fly. Experience in C#, .NET Core/Standard, ASP.NET, REST API, RPC, JSON, LINQ, MVC, Mono, Windows / Unix, NoSQL, Agile, CI-CD, xUnit, Azure DevOps, GitHub, Blockchain, T-SQL, MSSQL, Sqlite, MySQL, Azure Storage, Open Banking and PKI, Bitcoin Script, Multisig, Solidity, ERC-20, EIP-712. Excerpt from colleague review: "Gustav was joining our team with limited knowledge about ServiceNow but he coached up quickly with his fast-learning capability to become a key member of team. As a colleague, Gustav is incredibly generous with his time and expertise, ... I would like to say that his humor and good nature make hard requirements and deadlines much easier on our team. Gustav is the most talented person I've ever worked with."
Careers
Blockchain Consultant
Stratis
- Maintained and extended the "Full Node" blockchain/cryptocurrency node (C#, .NET, Agile, Web3),
- Optimized recovery resilience (chain forking) and addressed locking/multi-threading issus,
- Integrating blockchain indexing with Azure Storage.
- Led the development of cold staking,
- Led development of GBPT stable coin, involving Solidity and EIP 712 (Cryptography, AUTH, FAPI, OpenBanking)
- Led development of the side-chain capability and created the CIRRUS crypto-coin
- Created the two-way peg between STRAT and CIRRUS and the associated cross-chain-transfer-store.
- Converted crypto wallets to SQLite for improved performance
- Performed UI work on Stratisphere (React, CSS, Typescript)
Education
UFS (BSc Hons)
Computer Science, Mathematics
UFS
Computer Science, Mathematics
My projects
Stratis Full Node (Sidechains)

Cirrus Sidechain is a blockchain pegged to the Stratis mainchain. It enables the first Smart Contracts platform that is built entirely from the ground up in C#. (https://wire19.com/stratis-launches-cirrus-sidechain-masternodes/)
Role: Senior Developer
Completed: 6/2019
Live project: https://github.com/stratisproject/StratisFullNode
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