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Roman Mosiienko

Roman Mosiienko

Android Developer

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  • Timeline

  • About me

    Lecturer at Компьютерная школа Hillel (IT School)

  • Education

    • State University of Telecommunications, Kyiv

      2012 - 2013
      Master's degree Computer Software Engineering

    • Dnepropetrovsk State Agrarian University

      2009 - 2012
      Bachelor's degree Mechanic

      Agro Culture Machine

    • Dnipropetrovsk school # 131

      1997 - 2006

  • Experience

    • Kultprosvet - Full Stack Web & Mobile

      Jan 2014 - Jan 2016
      Android Developer

      Responsibilities: Create native Android Application on java, design crossplatfom application via Xamarin. Use Retrofit for HTTP, SQLLite for DB. Use Dagger for DI implementation. Design custom views. Using many android hardware features (camera, BLE, GSM, GEO).

    • Daxx / Sensogram Technologies, Inc.

      Jan 2016 - Jan 2017
      Java developer

      Project Description: Portal for live streaming vitalsResponsibilities: Design WebSocket Java application using Reflection API (creating simple copy of Spring ). Configure Tomcat. Implement Payment Systems (PayPal, Stripe)

    • Sensogram Technologies, Inc.

      Jan 2017 - Jan 2020
      Software Engineer

      Responsibilities: Design whole infrastructure for the Medical Devices. Install Jenkins CD/CI (jobs configuration), GitLab, Jira and Confluence on the EC2, configure and support. Create Monolith Java application with Spring Boot, WebSocket. Add new components for Angular Application. Implement custom Authentication/Authorisation via Spring Security. Configure AWS Security Groups, Route Tables, NACL. JMH benchmarking, JMX remote debug via VisualVM. Configure NGINX (routing, SSL). Third Part services integration Daha az göster

    • Innovecs

      Jan 2019 - Jan 2020
      Software Engineer

      Responsibilities and Tasks: Create microservices architecture and design each microservice. Configure Swagger Web Docs (Swagger Security Config) and covered 99% endpoints and models. Implement repository level (native query + JPQL + Spring Data convention). Add functionality for storing/retrieving files from S3. Create topics and queues for SNS/SQS. JWT auth configure. Investigate and Resolve performance issue. Google API integration.

    • Компьютерная школа Hillel (IT School)

      Jan 2020 - now
      Lecturer

      Preparing and delivering lectures, tutorials, workshops with Java Enterprise. Offline mode.

    • Київстар

      Jan 2020 - now
      Software Engineer

      Responsibilities and Tasks: Design Payments microservice for the Mobile app "My Kyivstar". Add many integrations with internal systems (billing, audit, etc.) Also add integration with EasyPay.

  • Licenses & Certifications