Maciej Koziara
Full Stack Developer at Better Stack
Gdańsk, Pomeranian Voivodeship, Poland
Summary
🤩
Rockstar🎓
Top SchoolMaciej Koziara is a pragmatic full stack developer with 11 years of experience building server-side systems and interactive frontends, currently working at Better Stack from Gdańsk, Poland. He mixes backend expertise in Ruby, Java and Node.js with TypeScript/React frontends and extensive serverless work on AWS, shipping both greenfield products and high-traffic platforms. His track record spans redesigning large consumer platforms (Playboy creator platform), payment and fraud prevention integrations, and migrating legacy stacks to modern React-based architectures. He also teaches software engineering and has delivered 500+ hours of classroom training, which sharpens his ability to explain complex ideas and drive cross-team collaboration. Comfortable making pragmatic technical decisions under tight deadlines, he pairs a product-minded approach with careful engineering practices in large codebases. An avid blogger and knowledge-sharer, he often balances hands-on implementation with mentoring and documentation.
11 years of coding experience
10 years of employment as a software developer
Inżynier (Inż.) Automatyka i Robotyka, Inżynier (Inż.) Automatyka i Robotyka at Gdańsk University of Technology
Polish, English
Github Skills (200)
testing10
swagger10
aws-serverless10
serverless10
steroids10
openapi10
safari10
firefox10
dynamodb10
feature-branch10
cloud-services10
fast-xml-parser10
nodejs10
unit-testing10
intellij10
Programming languages (16)
Github contributions (5)
m-radzikowski/aws-sdk-client-mock
Feb 2021 - Nov 2022
AWS JavaScript SDK v3 mocks for easy unit testing. 🖋️ Typed 🔬 Tested 📄 Documented 🛠️ Maintained
Contributions:2 releases, 12 reviews, 83 commits in 1 year 9 months
awsjavascriptunit-testingaws-lambdatesting
m-radzikowski/aws-swaggerui
Oct 2020 - Nov 2022
Serverless Swagger UI for API Gateway
Contributions:5 commits, 2 PRs, 3 pushes in 2 years 1 month
api-gatewayserverlessswagger-uicognitoserverless-framework
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