Amichai Mantinband
Founder, CEO at Dometrain
Israel
Summary
🤩
Rockstar🎓
Top SchoolAmichai Mantinband is a founder and CEO with eight years of hands-on software engineering experience, notably as a .NET engineer at Microsoft and now leading his own venture, Brilliant. He builds robust backend systems and open-source libraries—his GitHub projects include fluent .NET utilities for exception handling and a discriminated union result type that emphasize clear error handling and test coverage. As a content creator and author, he translates complex .NET concepts into accessible learning through YouTube and Dometrain, expanding his impact beyond code. His background includes firmware development and teaching roles, reflecting a practical grasp of low-level systems and a knack for mentoring. Based in Israel and trained at Tel-Hai College in computer science, he blends engineering rigor with entrepreneurial drive. Notably, he focuses on developer ergonomics—making error handling and validation both fluent and extensible across projects.
8 years of coding experience
7 years of employment as a software developer
Bachelor's degree Computer Science, Bachelor's degree Computer Science at Tel-Hai College
Hebrew, English
Github Skills (15)
unit-testing10
asp-net10
net10
error-handling10
dotnet10
exception-handling10
csharp10
validation10
validations10
dotnet-core10
exceptions9
assertion9
fluentd8
contract8
guard8
Programming languages (3)
Github contributions (5)
amantinband/error-or
May 2022 - Nov 2022
A simple, fluent discriminated union of an error or a result.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:3 releases, 7 reviews, 45 commits in 5 months
Contributions summary:Amichai primarily contributed to the development of the `error-or` library, a discriminated union for handling errors and results. Their work focused on implementing core features such as `Switch`, `Match`, and related methods. They also added result types like `Success`, `Created`, `Deleted`, and `Updated`. Furthermore, they introduced implicit conversions for error arrays.
exception-handlingdelayerror-handlingfluenterror
amantinband/throw
Feb 2022 - Sep 2022
A simple, fluent, extensible, and fully customizable library for throwing exceptions for projects using .NET 6+
Role in this project:Back-end Developer
Back-end DeveloperContributions:31 reviews, 43 commits, 54 PRs in 6 months
Contributions summary:Amichai primarily contributed to enhancing the `Throw` library, a .NET exception handling library. Their work focused on adding features to the fluent validation extensions, specifically adding functionality to compare strings with options for `StringComparison`. Furthermore, the user implemented and updated unit tests to ensure the new functionalities work correctly. The user also updated the project's version and documentation.
dotnetvalidationcontractcustomizable-librarycustomizable
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