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Android Developer & Team Leader & iOS Developer

Overview


Short Summary

The candidate has 8 years of experience with Android, one year with iOS technology and 3 years of experience as a Team Leader. In his last position, he was responsible for developing an app that allowed users to share screen, data, and events. He has no problem with working in an international team as he had to communicate in English on previous projects as well. He has encountered agile development in Scrum.

Work Experience

Experience

Sabbatical

December 2021

Took time off after several years without vacation to relax and work on side projects related to crypto, such as Ethereum Name Service and market making/trading on Solana blockchain.

Mobile SDK Creator and Team Lead

October 2017 - November 2021

Worked as a Mobile SDK Creator and Team Lead, managing a team of 7 members. Developed and supported SDK for various platforms including native apps, React Native, Unity, Cocos, Cordova/Ionic, Xamarin, and Flutter. Handled CI/CD processes, automated builds, tests, and publishing. Utilized Java and Kotlin for SDK development, OpenGL ES for video editing, and various languages for bridges and testing. Actively involved in product development, customer communication, and process streamlining.

Mobile Developer

January 2021 - August 2021

Worked as a Mobile Developer on the SSI (Self-Sovereign Identity) project based on Hyperledger blockchain. Developed a React Native application for a crypto wallet that served as an SSI provider and supported applications like loans and zero-knowledge proofs of IDs. Worked on UI, custom cryptographic solutions, and CI/CD pipelines.

Mobile Developer

June 2018 - March 2020

Worked as a Mobile Developer on a digital bank project for Germany. Responsible for joint accounts acquisition process and onboarding process, which included KYC, risk assessment, OCR, liveness check, card creation, and contract signing. Implemented features like GraphQL client, analytics layer, Splunk metrics, JNI layer, and other functionalities.

Assisted a friend

September 2017 - November 2017

Assisted a friend at Codemao, China, in connecting Blockly and dynamic API for controlling characters in games or real-time robots. Short-term cooperation for 2.5 months.

Mobile Developer

January 2017 - August 2017

Worked on new features for the Iflix platform on iOS and Android. Also worked on the Node.js backend, integrating Adobe analytics/marketing tools and telco partners. Left the company due to downsizing of the mobile team.

Mobile Developer

January 2015 - January 2017

Worked on the Andyroid project, a custom Android build running in a virtual wrapper for playing Android games. Developed the launcher and created an ad platform. Involved in reverse engineering, integration of portable protobuf client, Xposed framework, JNI, and changes in the Android system.

Mobile Developer

October 2011 - January 2015

Worked part-time and full-time while studying. Developed new features and resolved bugs for Acrobits, gained experience with JNI/C++, and collaborated with Czech Technical University in Prague and Adikt Mobile.

Author
Android Developer & Team Leader +1
636936a0f064f88111c49f1d
Freelancer407  / Per day
Roles
Android Developer Team Leader iOS Developer
Languages
English
Skillset
ASP.NETAWSAndroidAndroid SDKAngularJSAutomation TestingAzureBashBig DataC#C++CloudContainer Engine SoftwareContainer Management SoftwareContainerization SoftwareCucumberDaggerDatabaseDevOpsDockerFlutterGitHubGraphQLGroovyIonicJUnitJavaJava ToolsJavaScriptKotlinKubernetesMessage BrokerMockitoNon-Functional TestingOperation SystemsPenetration TestingPlayPythonRabbitMQReactReact NativeRealmRetrofitRustRxJavaSW Tools APIsSecurity TestingShellSplunkTeam LeaderTest DevelopmentTesting TypesUIXamariniOS
Localities
PrahaRemote