Alexandr Nikitin
Software Engineer at Modular
El Sobrante, California, United States
Summary
🤩
Rockstar🎓
Top SchoolAlexandr Nikitin is a seasoned software engineer with 13 years of experience building and optimizing backend systems, currently contributing at Modular after senior technical roles at Salesforce and Adform. He brings deep expertise in .NET IoC containers and test automation, with notable open-source performance work on DryIoc and contributions to widely used projects like Autofac and NSubstitute. Alexandr has a track record of improving performance and reliability—reducing delegate allocations, fixing tricky timezone bugs, and hardening multithreaded delegate behavior—paired with a disciplined approach to adding tests and benchmarks. Based in El Sobrante, CA, he blends enterprise-scale engineering with focused open-source craftsmanship, often surfacing subtle correctness and performance fixes that prevent future regressions.
12 years of coding experience
14 years of employment as a software developer
Academy of National Economy under the Government of the Russian Federation
Russian, English
Stackoverflow
7,336reputation
1.1mreached
70answers
9questions
autofac
top-5%
assemblies
top-5%
entity-framework
top-5%
dependency-injection
top-5%
ansible
top-1%
Github Skills (41)
algorithm10
unit-testing10
algorithms10
zone10
debug10
javascript10
performance-monitor10
ioc-container10
testing10
net10
dotnet10
asp-net10
performance-analysis10
mocking10
dotnet-core10
Programming languages (18)
Github contributions (5)
nsubstitute/NSubstitute
Jun 2013 - Jan 2023
A friendly substitute for .NET mocking libraries.
Role in this project:
Back-end Developer & Test Automation Engineer
Back-end Developer & Test Automation EngineerContributions:34 reviews, 44 commits, 54 PRs in 9 years 8 months
Contributions summary:Alexandr primarily contributed to the NSubstitute project by addressing bugs, improving test coverage, and refactoring existing code. They fixed issues related to delegate parameters and multithreading, specifically resolving problems with out and ref parameters in delegates. Furthermore, the user added new unit tests and improved existing ones to ensure the library's robustness and correctness, demonstrating a focus on quality assurance. Key contributions included enhancing the handling of dynamic types, and adding refactoring related to .NET Core support.
dotnetdot-netstubstestingsubstitute
autofac/Autofac
May 2014 - Jan 2017
An addictive .NET IoC container
Role in this project:Back-end Developer
Back-end DeveloperContributions:12 commits, 1 PR, 3 comments in 2 years 8 months
Contributions summary:Alexandr primarily contributed to enhancing the Autofac IoC container, specifically addressing several issues related to type registration, adapter functionality, and lifetime scope behavior. They implemented new methods and corrected existing ones to improve the container's capabilities, resolving issues related to closed types, and adapter registration. Additionally, the user added unit tests to validate the changes and identify regressions, as well as refactoring existing code for improved clarity. Their work directly involved core features of the IoC container.
dotnetnetstandardiocdependency-injectionc-sharp
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