Dariusz Baciński
Backend Developer at KÉMIK
Warsaw, Masovian Voivodeship, Poland
Summary
🤩
Rockstar🎓
Top SchoolDariusz Baciński is a seasoned Backend Developer with 11 years of experience building Kotlin and Java-based services, Android apps, and serverless solutions while operating primarily from Warsaw. He currently focuses on Kotlin backend development and Kubernetes migrations at KÉMIK, having previously shipped full-stack and mobile projects remotely at Agility Scales and delivered reactive Spring WebFlux systems at Upnext. A pragmatic advocate for simple, readable code with sensible test coverage, he explores bleeding-edge technologies and maintains a public repository demonstrating design patterns in Kotlin with JUnit5 tests. His background spans payments, analytics (BigQuery), Firebase cloud functions, and embedded Android/OS-level work, reflecting both high-level architecture and low-level debugging skills. Comfortable leading teams and hiring from his PayU experience, he blends hands-on engineering with mentoring and process improvements. Collected expertise in design patterns and rapid prototyping makes him adept at turning complex requirements into maintainable, well-tested systems.
11 years of coding experience
8 years of employment as a software developer
Master of Science (MSc), Telecomunication, 5, Master of Science (MSc), Telecomunication, 5 at Warsaw University of Technology
Github Skills (15)
kotlin10
junit10
testing9
singleton8
decorators8
design-patterns8
microstrategy8
command-line8
adapter8
builder-pattern8
command-prompt8
builder-io8
decorator8
builders8
kotlin-android4
Programming languages (14)
Github contributions (5)
dbacinski/Design-Patterns-In-Kotlin
Sep 2016 - Oct 2019
Design Patterns implemented in Kotlin
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:136 commits, 28 PRs, 121 pushes in 3 years
Contributions summary:Dariusz primarily implemented design patterns in Kotlin, covering various patterns like Strategy, Listener, Command, State, Chain of Responsibility, Visitor, Builder, Factory, Singleton, Abstract Factory, Adapter, Decorator, Protection Proxy, and Facade. Their work involved writing Kotlin code examples to demonstrate these patterns, along with test cases using JUnit5 to validate functionality. The user's contributions demonstrate a strong understanding of design principles and their practical application.
kotlindesign-patternspatternsdesignkotlin-android
macoscope/KetchupLunch
May 2016 - Jun 2016
Contributions:98 commits, 12 PRs, 26 pushes in 1 month
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