Orhan Sönmez
Developer
Experience
Jan 2022 - Present
3 years 7 monthsDeveloper
Personal Project
- Single-handedly conceptualized, designed and implemented Pano – Universal Clipboard Manager, a side-project (currently in closed beta): A multi-platform clipboard manager application using Electron, Node.js, TypeScript and React offering an extended featureset for power users dealing heavily with text-based work in their day-to-day (recruiters, programmers, office workers, etc.).
Jan 2021 - Dec 2022
2 yearsDeveloper
Klarna Bank AB
- Joined a newly formed group (migrating from a company which was bought by Klarna) and helped port all functionality to a brand-new version of Klarna’s Chrome Extension (using TypeScript, React and other modern frameworks).
- Also helped refactor major pain points regarding Developer Experience, which affected most of the ~6.000 developers at the company.
Jan 2019 - Dec 2020
2 yearsBerlin, Germany
React-Native Developer
Urban Sports GmbH
- Joined a newly formed team in one of Berlin’s most prolific startups with the purpose of building a React-Native app from the ground up, which allowed users to manage their membership while also simplifying and modernizing the discovery of and check-in process at participating sports venues.
Jan 2018 - Dec 2018
1 yearGermany
React-Native Developer
Postbank AG
- Worked on a team which built a completely new React-Native banking app, Young Money, specifically targeted at young customers at Postbank (one of Germany’s top banks in the private sector).
- Implemented a pixel-perfect UI with a lot of fluid animations.
- Worked on the business logic of the app.
Jan 2018 - Dec 2018
1 yearMobile App Developer
Safran Vectronix AG
- Developed the Terrapin X app, based on the work done for the Leica Hunting App.
- Both apps use the same BLE device communication layer but differ slightly in app functionality and consumer-faced features of the devices.
Jan 2018 - Dec 2018
1 yearReact-Native Developer
fitogram GmbH
- Single-handedly built the iOS and Android app in React-Native for fitogram, a search engine and booking platform for fitness and sports studios.
Jan 2017 - Dec 2018
2 yearsReact-Native Developer
Leica Camera AG
- Single-handedly built iOS and Android apps (Leica Hunting) in React-Native which let users configure and update all aspects of their Laser-Rangefinder device remotely by using Bluetooth-Low-Energy (BLE) technology.
- Firmware for devices where actively developed with my help and input, which required creating a low-level communication library in JavaScript.
Jan 2017 - Dec 2017
1 yearReact-Native Developer
Telekom AG
- Worked on a team which built a smart-home interlinking app, Telekom "Urlaubsmodus" Smart-Home App, in React-Native, which allowed users to prepare smart-home devices for the user’s absence (e.g. before holidays).
- Implemented a conversational UI (AI powered) with a pixel-perfect design and elaborate animations.
Jan 2017 - Dec 2017
1 yearDeveloper
adidas AG
- Worked on a team which built adidas CLICK, a new B2B-ordering platform from the ground-up, which now handles all B2B-sales for the company.
- Worked on the business logic layer (retrieving data from the Salesforce backend).
- Advised/helped the team working on the UI layer in HTML5 technologies (JS, HTML, CSS).
Jan 2017 - Dec 2017
1 yearPHP Developer
mousesports Ltd
- Single-handedly built mouzCMS, a custom CMS in Laravel/PHP (on top of an open-source CMS called PageKit) for one of the most popular e-Sports teams in the world, featuring custom back- and frontend-solutions for managing team rosters, adding social media posts.
Jan 2016 - Dec 2017
2 yearsReact Native Developer
Access Bank Africa
- Single-handedly built the PayWithCapture mobile banking app (in React Native, so iOS and Android versions) for Access Bank.
- This included top-tier security mechanisms, a fluid UI/UX and a whole lot of performance optimizations.
Jan 2015 - Present
10 years 7 monthsFreelancer Web, React-Native- & Android Development
Freelancer
- Worked on key projects for globally renowned companies in a wide range of industries like Finance, Automotive, Sports, Fashion and Apparel and Telecommunication. A non-exhaustive list of these customers includes household names like adidas, Vodafone, Leica Camera, Deutsche Telekom, trivago or Postbank Germany.
- A recent and prime example is a project accomplished for Access Bank (one of Africa’s leading banks), where I single-handedly created and maintained a high-standards multi-platform app (for Android and iOS) in React-Native.
- Analyzed the business requirements and deciding on technologies to use.
- Implemented native Android and iOS apps in React-Native.
- Created (custom) libraries for React-Native according to customers’ needs.
Jan 2015 - Dec 2016
2 yearsLead-Android Developer, Designer and Product Manager
ChatGrape GmbH
- Joined a then-upcoming startup (ChatGrape, now Grape), working on a full-fledged chat solution for companies (similar to Slack or Microsoft Teams), a concept which was still in its infancy.
- Established and led the Android team.
- Brought fresh ideas to the table as a Designer and Product Manager, helping to shape and advance the product.
Jan 2015 - Dec 2015
1 yearAndroid Developer
trivago AG
- Worked on a team that built the trivago Android app (hotel price searching/booking platform), with all features (and some additional ones) that were available on the web app, including detailed search parameters, result filtering, displaying results on map, etc.
Jan 2014 - Dec 2014
1 yearAndroid Developer
Borussia Dortmund
- Worked on a team that built the then-new Borussia Dortmund Android app (BVB 09 App), which featured nifty animations, an elaborate news section, match-day information and even a live radio stream.
- The app has since been renewed, but some core elements seem to be still in-tact (matchday page).
Jan 2014 - Dec 2014
1 yearFreelancer Web & Android Development
Rheinfabrik GmbH
- Worked on projects for high-profile companies like trivago, Vodafone, etc. as an Android developer for Rheinfabrik GmbH (contractor company), where I helped creating and/or improving existing Android apps with millions of users using the latest technologies.
Jan 2014 - Dec 2014
1 yearAndroid Developer
Vodafone
- Single-handedly built a small game (Vodafone Promotional App) natively in Android/Java to be used in Vodafone stores in a one-off, nation-wide promotional campaign.
Jan 2012 - Dec 2014
3 yearsBonn, Germany
Lecturer assistant and tutor / mentor
University of Bonn
- Worked as a lecturer assistant and tutor / mentor for fellow students.
Jan 2011 - Dec 2012
2 yearsTraffic data analyst
Navteq GmbH
- Worked as a traffic data analyst for Europe and Middle East.
Jan 2008 - Dec 2011
4 yearsFreelancer Web Development
Freelancer
- Designed, implemented, and maintained web applications on a freelance basis.
Summary
I’m a highly experienced and technically adept Web-, React-Native- and Android Developer, who can write clean, maintainable, and optimized code in multiple programming languages like Java, C#, PHP and HTML5.
By virtue of an excellent understanding of complex data models and algorithms and the ability to get acquainted with and make use of cutting-edge developments and frameworks, I can be a very productive and helpful addition to any development team.
I’m also able to manage and guide groups of fellow colleagues, as proven at several client projects where I have overseen small development teams or at my employment at the University of Bonn as a tutor / mentor in courses like Software Technology and Object-Oriented-Programming.
Languages
German
NativeTurkish
NativeEnglish
Advanced Education
University of Bonn
Bachelor of Science · Bonn, Germany · 2.3
Need a freelancer? Find your match in seconds.
Try FRATCH GPT More actions
Similar Freelancers
Discover other experts with similar qualifications and experience
