Millicent Achieng
Senior Software Engineer at BURN
Nairobi, Nairobi County, Kenya
Summary
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Rockstar🎓
Top SchoolMillicent Achieng is a Nairobi-based software engineer with eight years of experience building backend systems across startups and enterprise environments, currently contributing at Microsoft since 2019. She began her career in East Africa’s tech ecosystem—roles at Africa's Talking, M-KOPA Solar and Twiga Foods—giving her strong product-focused engineering and data experience in resource-constrained, high-impact settings. At Microsoft she has contributed to the well-known OpenAPI.NET SDK, fixing serialization bugs and improving reader diagnostics, demonstrating attention to protocol correctness and maintainability in widely used tooling. Comfortable moving between data analysis and backend development, she combines practical production troubleshooting with disciplined code hygiene and a knack for untangling tricky serialization/refactoring problems.
8 years of coding experience
13 years of employment as a software developer
Master of Science Data Science, Master of Science Data Science at University of East LondonKenya Certificate of Secondary Education, Kenya Certificate of Secondary Education at Alliance Girls High SchoolBachelor of Science Computer Science, Bachelor of Science Computer Science at University of Nairobi
English, Swahili, luo
Stackoverflow
1reputation
0reached
1answer
0questions
Github Skills (11)
net10
asp-net10
dotnet10
data-serialization10
csharp10
openapi10
dotnet-core10
serialization10
yaml9
javascript6
validation6
Programming languages (7)
Github contributions (5)
microsoft/OpenAPI.NET
Aug 2022 - Oct 2022
The OpenAPI.NET SDK contains a useful object model for OpenAPI documents in .NET along with common serializers to extract raw OpenAPI JSON and YAML documents from the model.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:68 reviews, 9 commits, 41 PRs in 2 months
Contributions summary:Millicent primarily focused on enhancing the functionality of the OpenAPI.NET SDK. Their contributions included fixing serialization errors, removing unused code, and separating warnings and errors in document reading. They also addressed issues related to $ref serialization for request bodies and responses and bumped the version of the Microsoft.OpenApi.Readers.
dotnetopenapiyaml
OneDrive/apidoctor
Mar 2019 - Jan 2023
Application for validating API documentation and generating test cases
Contributions:80 reviews, 43 commits, 197 PRs in 3 years 10 months
testcase
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