Javascript Developer & React Developer & React Native Developer

The candidate is an experienced software engineer with a focus on mobile and web application development. He has 10 years of experience in the field, with 3+ years in web application development and 6+ years in native mobile application development (iOS and Android). He also has 4+ years of experience in cross-platform mobile application development using React Native and Flutter. The candidate has expertise in project management, unit testing, software engineering best practices, source code design and review, and continuous integration. His technical proficiencies include JavaScript, React.js, Node.js, Swift/Objective-C, Java, Kotlin, Redux, AWS services, CI/CD with Travis CI and Jenkins, various operating systems and databases, and cloud services. He has worked for Athletica Co LLC, Mindtrust Inc., James Smith Academy Inc., and TheCryptoVault Inc. The candidate holds a Bachelor of Science degree in Computer Science from the University of Humanities and Economics in Lodz, Poland.

1. Mobile & Web Application Developer, December 2015 - July 2017: Developed and delivered a sport video sharing application. Built iOS and Android applications using Swift and Java. Created a backend API with Python Django and AWS RDS.

2. Flutter & React Developer, March 2020 - Current: Contribute to all stages of application development lifecycles for a finance software. Built an account application using Flutter. Generated backend using Firebase Cloud Functions. Created an admin panel with PayPal and other payment gateway APIs.

3. React & React Native Developer, December 2018 - December 2019: Developed and delivered a fitness and healthcare application. Built fitness iOS and Android applications using React Native. Synced user fitness info with Fitbit. Integrated payment gateway using in-app purchase and in-app billing. Updated user experience with material design.

4. Full Stack Developer, August 2017 - December 2018: Developed and delivered a cryptocurrency trading education web application. Built charts with TradingView and Google Chart libraries. Implemented MQTT protocol for real-time transferring. Created a backend with Node.js and DynamoDB. Managed and optimized servers with AWS services.

5. Bachelor of Science, Computer Science, University of Humanities and Economics, 2008, Lodz, Poland.