Damian Blejwas
Senior Full Stack Engineer at Yotpo
Greater Poland Voivodeship
Summary
🤩
Rockstar🎓
Top SchoolDamian Blejwas is a Senior Full Stack Engineer with 11 years of experience building large-scale, production-grade systems across e-commerce, analytics, and observability domains. He architects and implements microservices and event-driven platforms, having delivered message and email proxying at Allegro and reactive stream analytics and AI-assisted tooling at Adverity. Equally comfortable in Python, Kotlin/Java, and TypeScript stacks, he brings hands-on expertise from backend data models and APIs to frontend microfrontends and no-code transformer editors. An advocate for observability and distributed system design, he pairs pragmatic engineering with continuous learning and a focus on security and privacy (e.g., email hashing and fraud-detection pipelines). Active in open source, he authored image optimization and SwiftNIO microservice libraries used to accelerate production services. Based in Greater Poland, he balances deep systems work with interests in ML, table tennis, and cinema.
10 years of coding experience
11 years of employment as a software developer
Inżynier (Inż.) Informatyka, Inżynier (Inż.) Informatyka at Poznan University of Technology
Polish, English
Github Skills (15)
back-end-development10
python10
django10
inventory-management9
cmdb9
apidoc9
admin-interface9
admin9
asset-management9
customisation9
api9
custom-ui9
inventory-management-system9
data-modeling8
testing8
Programming languages (7)
Github contributions (5)
allegro/ralph
Oct 2018 - Aug 2019
Ralph is the CMDB / Asset Management system for data center and back office hardware.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:18 commits, 15 PRs, 10 pushes in 9 months
Contributions summary:Damian primarily contributed to the backend of the `ralph` system, focusing on enhancements to the admin interface and data models. They implemented features such as the addition of new fields (`imei2`) and modifications to existing functionality, including changes to trademark filters and the IP address API. They also addressed several bug fixes and applied suggestions from code reviews, particularly around login and permission controls, indicating an involvement in improving the system's security and overall functionality.
djangoinventory-managementralphassets-managementmanagement-system
Blejwi/OwnVPN-React
Feb 2017 - Jul 2017
Contributions:66 commits in 4 months
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