Eduard Kramarenko Email & Phone Number

Germany

Sofia, Sofia City, Bulgaria

- I was initially hired as a react-native developer to reduce the amount of the company’s spending by replacing native apps with RN ones- Document and teach other developers how to make and maintain applications- Extend my expertise by becoming a Web and mobile developer in the company

London Area, United Kingdom

- Created initial architecture for 2 brand-new applications using React-Native- Initiated CI / CD pipelines and improved the company's processes regarding validating and distributing applications- Was responsible for the delivery functionality of different entities in the project- Got many chances to participate in event-focused development and increased numbers of sales by 12% with the next point - Made BO for the application to enable operators to be able to create their… Show more - Created initial architecture for 2 brand-new applications using React-Native- Initiated CI / CD pipelines and improved the company's processes regarding validating and distributing applications- Was responsible for the delivery functionality of different entities in the project- Got many chances to participate in event-focused development and increased numbers of sales by 12% with the next point - Made BO for the application to enable operators to be able to create their marketing campaigns inside the application- Provided lots of feedback to UX/UI and made an app to be as representative of the design- Taught and onboarded new developers to the application- Ensured the functionality works correctly according to requirements Show less

Singapore

· Created key features (such as membership, authorization, and payment features) from scratch and maintained them during the project's lifetime.· Migrated from Shopify to custom Makro Pro backend· Implemented caching strategies to reduce API call frequency and improve the scalability of the application.· Was in close communication with management in terms of new features, and supported them· Maintained CI/CD for the front end, and set up new pipelines.· Made migration to… Show more · Created key features (such as membership, authorization, and payment features) from scratch and maintained them during the project's lifetime.· Migrated from Shopify to custom Makro Pro backend· Implemented caching strategies to reduce API call frequency and improve the scalability of the application.· Was in close communication with management in terms of new features, and supported them· Maintained CI/CD for the front end, and set up new pipelines.· Made migration to micro-frontends Web project· Collaborated with cross-functional teams, including designers and DevOps engineers, to deliver features that aligned with the product's vision.· Wrote documents about onboarding and setup of the project and particular features.· Onboard new developers and taught less experienced ones· Performed code reviews and enforced best practices, ensuring high-quality code across the team Show less

Poland

- Sole React Native developer responsible for handling all app releases, ensuring timely updates and high-quality deployments across three different applications.- Worked across React Native, web, and backend, demonstrating full-stack proficiency and contributing to multiple layers of the tech stack.- Operated in a fast-paced startup environment, managing tight deadlines and adapting quickly to evolving project requirements.- Led the end-to-end release process, including app store… Show more - Sole React Native developer responsible for handling all app releases, ensuring timely updates and high-quality deployments across three different applications.- Worked across React Native, web, and backend, demonstrating full-stack proficiency and contributing to multiple layers of the tech stack.- Operated in a fast-paced startup environment, managing tight deadlines and adapting quickly to evolving project requirements.- Led the end-to-end release process, including app store submissions, version control, and hotfixes, ensuring smooth and continuous delivery.- Collaborated closely with the founding team, contributing to product decisions and shaping the overall technical strategy of the company.- Improved app performance and stability, implementing key optimizations that enhanced user experience across platforms.- Took ownership of building and maintaining backend systems, enabling seamless integration between mobile and web applications.- Provided key technical guidance and leadership as the sole developer, ensuring the team followed best practices in mobile and backend development. Show less

United States

· Refactored existing app and increased performance of app by 20% reduced app destroy freezes · Integrated functionality such as Google-Maps, React-navigation, Geolocation, · Defined and managed delivery processes participated in scrum meetings and approved sprint requirements and estimations· Collaborated with design, backend, and testing teams Made code reviews of team members

Odessa, Ukraine

Developed and maintained web applications using React.Created cross-platform mobile applications using React Native.Published applications to the App Store and Google Play.Improved user experience and application interaction.Discussed features, bugs, and other concerns with designers, stakeholders, and managers.Participated in feature presentations to stakeholders.