Yevhenii Ochkalov，波兰Wrocław开发者
Yevhenii is available for hire
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Yevhenii Ochkalov

Verified Expert  in Engineering

Mobile Developer

Location
Wrocław, Poland
Toptal Member Since
September 5, 2022

Yevhenii是一名高级软件工程师，从事网络和移动应用程序开发已有五年多的时间. 他在开发web和移动应用程序方面经验丰富，可以从头开始或现有代码库构建干净的代码库和高质量的产品. Yevhenii还擅长制作像素完美的动画ui, integrating third-party SDKs, reviewing code, 并将旧代码库更新到最新版本.

Front-endApp StoreGoogle Play StoreFull-stackAuthenticationMERN StackWeb DevelopmentWebSocketsFull-stack DevelopmentServerlessApple PayStrapiBluetoothGPSIntegrationCapacitor

Portfolio

Decision Point Weather Corp
JavaScript, React，全栈，Ionic，移动开发，Firebase...
Cellboard Media Corporation
React Native, App Store, Google Play Store, Expo.io, Firebase, CI/CD Pipelines...
Idealogic
React Native, Redux, Redux- saga, TypeScript, JavaScript, REST api, Figma...

Experience

JavaScript - 5 yearsFirebase - 5 yearsReact Native - 5 yearsTypeScript - 5 yearsMaterial UI - 4 yearsMERN Stack - 4 yearsExpo - 4 yearsPostgreSQL - 3 years

Availability

Full-time

Preferred Environment

React Native, TypeScript, Firebase, JavaScript, MERN Stack，前端，React, Node.js, Expo, Material UI

The most amazing...

...我开发的是一个使用React Native的瑞士移动应用程序和一个使用React的Tertius web应用程序.

Work Experience

Full-stack Developer

2023 - 2023
Decision Point Weather Corp
  • 通过更新现有代码库增强了天气应用程序的性能.
  • 修正了问题，并增加了一些基于电容器项目的功能.
  • 根据新需求更新功能.
Technologies: JavaScript, React，全栈，Ionic，移动开发，Firebase, Google Cloud Platform (GCP), Stripe, Cordova, Cross-platform App Development

Mobile Developer

2022 - 2023
Cellboard Media Corporation
  • 改进了应用程序的性能并清理了代码库.
  • 使用Jira作为报告工具跟踪和修复bug.
  • 新增二维码扫描功能，更新世博版.
技术:React Native, App Store, Google Play Store, Expo.io, Firebase, CI/CD Pipelines, Authentication, Web UX, User Interface (UI), User Experience (UX), Cross-platform App Development

Senior Front-end Developer

2020 - 2021
Idealogic
  • 开发了一款金融应用，通过手机号码将资产转移给收款人, 这样他们就不用操心钱包地址了.
  • 修复了应用程序维护的所有错误，并实现了crash分析来跟踪崩溃问题.
  • 改进了应用程序的性能并优化了代码库.
Technologies: React Native, Redux, Redux- saga, TypeScript, JavaScript, REST api, Figma, PostgreSQL, MySQL, CSS, Android, iOS, JSON, MERN Stack, Mobile, Java, Serverless, GitHub, GitHub Actions, Objective-C, Front-end, APIs, Next.js, Mobile App Development, App Store, Mobile Development, Databases, Android Foreground Services, Amazon Web Services (AWS), Application State Management, MongoDB, Jira, Git, Cloud Firestore, Capacitor, Authentication, SDKs, Amazon DynamoDB

Senior iOS Developer

2019 - 2020
Framewrk LLC
  • 开发一个应用程序，让你建立自己的业务或与其他志同道合的企业家联系.
  • 创建并实现了与您的个性化AI顾问的聊天功能.
  • 实现邀请功能，共同建立您的业务.
Technologies: Firebase, Roadmaps, User Authentication, iOS, Mobile App Development, App Store, Mobile Development, Google Play Store, React Native, Google Maps, Google Places SDK, Capacitor, AWS Lambda, Front-end Development, Cross-platform App Development

Senior Mobile and Web Developer

2018 - 2019
Tertius LLC
  • 开发了一个移动和网络应用程序来捕捉你最喜欢的文学时刻.
  • 实现了Stripe支付购买账户.
  • 实现了一个web应用程序强大的编辑摘要功能.
Technologies: XML, Push Notifications, User Authentication, Google Cloud, QR Codes, React, Material UI, JavaScript, TypeScript, Redux, Web Development, HTML, HTML5, Amazon EC2

Senior React Native Developer

2018 - 2019
Idealogic
  • 开发了一款FareCOVER手机应用，为兼职Uber司机提供Uber保险.
  • 创建并实现了购买功能，以按小时、天或周购买新时间段的保险.
  • 实现分析功能，分析应用状态, such as download, purchase, and incoming status.
Technologies: React Native, iOS, Android, Mobile, Firebase, Push Notifications, UI Animation, Mobile App Development, Google Cloud, GraphQL, Unit Testing, Amazon Web Services (AWS), Apollo, Expo.io、应用状态管理、MongoDB、Jira、Express.js, SQL, Firebase iOS SDK, TestFlight, CI/CD Pipelines, Azure, Hybrid Frameworks, Google Cloud Platform (GCP), Cloud Firestore, NoSQL, Google Maps, Google Places SDK, Ionic

Swissy

我开发了一个金融应用程序，可以使用他们的手机号码将资产转移给收件人.

这个应用程序很复杂，但我成功地完成了它. 许多用户已经下载了这款应用，并留下了很好的反馈.

FareCOVER

FareCOVER是一款每小时收费的手机应用, daily, 或者为兼职优步司机提供每周优步保险. 该应用程序是用React Native构建的.

我是开发Android和iOS版本的前端开发者，以购买按小时计算的新期限, day, 或者使用REST api显示封面信息.

Framewrk

一个基于React native的应用程序，可以与您的个人商业顾问聊天. 它还提供诊断，帮助您确定要构建的业务中的关键领域.

我担任前端开发人员, 为商业顾问创建了聊天室, 并与Mastermind小组中的其他企业家建立联系.

Tertius

http://tertius.app/
一个基于react的web应用程序，用于捕捉您最喜欢的文学时刻. 我使用Firebase作为后端平台，使用MUI进行前端开发来创建这个应用程序. 另外，我实现了Stripe支付功能，并集成了Mailgun SDK. 此外，我还为注释过的书添加了一个强大的编辑功能.

Folio

http://apps.apple.com/us/app/folio-mobile/id1518202154
一个基于博览会的应用程序，用于实用应用程序浏览作品集. 我是前端开发人员，成功完成了这个项目. 我建立了一个干净的代码库，并优化了代码库. 我还为离线模式集成了扫描功能和下载功能. 我在两个商店都发布了Android和iOS版本.
2012 - 2018

计算机科学学士学位

扎波罗热亚国立技术大学-扎波罗热，乌克兰

JUNE 2022 - PRESENT

Certified JavaScript Developer

CodeSignal

Libraries/APIs

React, Redux-Saga, Node.js, REST APIs, Retrofit, Firebase iOS SDK, Stripe, Google Maps, Google Maps API, Firebase Android SDK, SendBird, MobX, AWS Amplify, React Router, React Navigation, Emotion Library, Webex API, React Query, Alamofire

Tools

Figma, Android Studio, GitHub, Xcode, Expo.io, Atlassian, Jira, TestFlight, Git, Expo, Google Places SDK, Bitbucket, Capacitor, Google Analytics, Amazon Cognito, Adobe Illustrator, CircleCI, Sentry, Fastlane, Google AI Platform

Frameworks

React Native, Express.js, Redux, SwiftUI, Next.js, Ionic, Material UI, Sails.js, Electron，顺风CSS, Jest, NestJS, Angular, Ant Design, gRPC

Languages

TypeScript, JavaScript, CSS, Java, Kotlin, Swift, Objective-C, GraphQL, SQL, HTML, HTML5, Python, XML

Paradigms

Mobile Development, Unit Testing, App Development, Cross-platform, Agile, Scrum, Agile Project Management, UI Design, UX Design, MEAN Stack

Platforms

Firebase, Android, iOS, Mobile, Amazon Web Services (AWS), Azure, Google Cloud Platform (GCP), Mapbox, Amazon EC2, Twilio, tvOS, Vercel, Heroku, AWS Lambda

Storage

PostgreSQL, MySQL, JSON, Databases, Google Cloud, MongoDB, Cloud Firestore, NoSQL, Microsoft SQL Server, Hasura, Amazon DynamoDB, Realm

Industry Expertise

Project Management

Other

MERN Stack, Serverless, GitHub Actions, Push Notifications, Front-end, APIs, Mobile App Development, App Store, Google Play Store, Android Foreground Services, QR Codes, Native Mobile Apps, Maps, Application State Management, CI/CD Pipelines, Hybrid Apps, Hybrid Frameworks, Geolocation, Apple Pay, Full-stack, Web Development, Axios, Styled-components, Firebase Crashlytics, API Integration, Location Tracking, Architecture, Mobile UX, Mobile Apps, Mobile Applications, Vite, WebSockets, Streaming, Strapi, Authentication, Software Architecture, Full-stack Development, Bluetooth, Integration, Amazon RDS, Web UI, Web UX, User Interface (UI), User Experience (UX), Cordova, Minimum Viable Product (MVP), APIUM, OpenAI, 自然语言处理(NLP), Google Pay, Webex, SDKs, JSON REST APIs, Google Play Console, UI Development, Zustand, Front-end Development, Cross-platform App Development, GPS, Location Services and Maps, Sports, Real-time Streaming, WiFi, Programming, Apollo, In-app Purchases, Firebase Cloud Functions, UI Animation, User Authentication, Roadmaps

Collaboration That Works

How to Work with Toptal

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在与Toptal领域专家的电话中讨论您的需求并细化您的范围.
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在24小时内获得专业匹配人才的简短列表，以进行审查，面试和选择.
3

Start your risk-free talent trial

与你选择的人才一起工作，试用最多两周. 只有当你决定雇佣他们时才付钱.

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