
Simon Cierniewski
Verified Expert in Engineering
Software Developer
Poznań, Poland
Toptal member since November 21, 2018
Simon is an experienced Android developer with a real passion for mobile applications and a solid academic background. For over five years he gained the experience in both – building new applications from scratch in a software house, and maintaining a well-known application with over 10 million users. He feels a deep responsibility for the quality of his source code and ensures that proposed architecture will be easily maintained for many years.
Portfolio
Experience
- Java - 7 years
- Android SDK - 6 years
- Git - 5 years
- JUnit - 5 years
- RxJava - 4 years
- Scrum - 2 years
- Kotlin - 1 year
Availability
Preferred Environment
MacOS, Git, Android Studio
The most amazing...
...thing is that with programming I can solve problems of real people. I can improve their lives or how they work. This is what gives me the biggest motivation. :)
Work Experience
Senior Android Developer & Founder
SlideCase.com
- Developed and maintained an Android application SlideCase, which changes the way we participate in conferences. Instead of taking photos of interesting slides, or rewriting the content of slide to make a note, you get all slides on your phone in real-time. You can focus on the speaker, easily mark the most interesting slides and quickly return to the materials after the conference. https://play.google.com/store/apps/details?id=net.slidecase (try event code "ilovemkt").
- Led a team of developers and supervised the development of Android and iOS applications, based on Scrum and Lean Startup methodologies.
- Developed the back-end in Go and Java based on Google App Engine platform.
- Oversaw the business-related task (sales, marketing, business planning, and strategy).
Senior Android Developer
Wikia (also known as FANDOM)
- Maintained and developed Android applications for Wikia, the world's largest fan entertainment site with over 200 million monthly uniques. There is a separate application for every big community, e.g Marvel, Fallout, Star Wars: https://play.google.com/store/apps/details?id=com.wikia.singlewikia.starwars.
- Handled the majority of tasks related to changing application's architecture and improving legacy code.
Android Developer and Founder
Skilly
- Created and maintained an Android application, Skilly, which helps easily save every translated word and learn it in form of flashcards with an algorithm based on Forgetting curve.
- https://play.google.com/store/apps/details?id=cards.skilly.
- Designed UX and UI based on material design.
Android Developer, Lead Android Developer
AppUnite
- Created and maintained Android applications for demanding customers from all around the world.
- Led the team of developers at work on the KingsChat application: https://play.google.com/store/apps/details?id=com.joinkingschat.android.
Software Tester – Contractor
Roche Polska Sp. z o.o.
- Tested software (system and integration testing).
Front-end Developer, System Administrator
ANRIS Dorota Cierniewska
- Created HTML websites.
- Designed graphic projects for advertisements.
- Administered computers systems.
Software Architect / Project Manager
Poznan University of Technology
- Designed architecture of the BIS-2 (Bibliometric Information System).
- Led a project team of four developers.
C++ Developer/Software Tester – Internship
Poznan Supercomputing and Networking Center
- Programmed, optimized, and tested a queue module for grid computational environment.
Experience
SlideCase Application - Real-time Slides From Conference
Over 200 Fandom (Wikia) Applications
KingsChat - Messaging Application
https://play.google.com/store/apps/details?id=com.joinkingschat.androidMore on: https://kingsch.at
Winning Samsung App Challenge Contest
TV interview [PL]: https://wtk.pl/news/7899-stworzyl-najlepsza-poznanska-aplikacje-na-telefon
Education
Master of Science Degree in Computer Science
Poznan University of Technology - Poznan, Poland
Bachelor of Science Degree in Computer Science
Poznan University of Technology - Poznan, Poland
Skills
Libraries/APIs
RxJava, RxJava 2, Retrofit 2, Butterknife, GSON, Picasso, Fabric, Guava, Retrofit
Tools
Crashlytics, Android Studio, Git, Photoshop CS3, CorelDRAW, Multi-OS Engine, Gradle, AutoValue, Jenkins, Gerrit, Adobe Photoshop
Languages
Java, Kotlin, Go, JavaScript, HTML, CSS, C++, C, Python
Frameworks
Android SDK, Dagger 2, JUnit, Glide, Mockito, Espresso, Dagger
Paradigms
Reactive Programming, Design Patterns, Agile, Scrum
Platforms
Android, MacOS, Firebase, Google Ads, Linux
Storage
SQLite, Firebase Realtime Database
Industry Expertise
Project Management
Other
UXCam, OkHttp, XMPP
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