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Alexander S.
🇺🇦Ukraine (UTC+02:00)
Created AtUpstaffer since March, 2021

Alexander S. — Front-End Engineer

Expertise in Front-End Web.

Last verified on July, 2023

Bio Summary

• 5+ years IT professional in front-end web development in a field of web-oriented applications for startups, midsize businesses and large enterprises from various industries.
• Have a full and deep understanding of UX/UI design implementation into HTML layout.
• Good knowledge of designers tools.
• Expert in JavaScript. Experienced in different approaches, front-end engineering principles, and concepts. Knowledge in OOD, OOP based on prototypes, Unit testing (TDD) and functional approach.
• Available: ASAP

Technical Skills

Programming LanguagesC#, JavaScript, Python, TypeScript
UI Frameworks, Libraries, and BrowsersChart.js, CSS, Highcharts, HTML, SCSS
JavaScript Libraries and ToolsHammer.JS, Mobx, Mongoose, React Native, Redux, Vuex
JavaScript FrameworksLodash, Next.js, Node.js, React, Vue.js
Python FrameworksTornado
Data Analysis and Visualization TechnologiesGoogle Analytics
SecurityTornado
Databases & Management Systems / ORMFirebase, Microsoft Azure SQL Server, MongoDB
Azure Cloud ServicesMicrosoft Azure SQL Server
SDK / API and IntegrationsCloud based API, Facebook API, Google Maps API, LinkedIn API, RESTful API, Twitter API, YouTube API
PlatformsFirebase
Operating SystemsLinux, Windows
Web/App Servers, MiddlewareTornado
Other Technical SkillsAPM

Work Expirience

Front-end developer, Sparkpage

3 months

Description:

The platform for mailing process automatization.

A drag & drop Customer Journey Mapping tool to plan the perfect experience.

Responsibilities:

  • Tasks implementation
  • Code review
  • Communication with the client

Technologies/Environment:

  • JavaScript
  • HTML
  • CSS

 

Front-end developer, Isopen

8 months

Description:

Platform for selling goods with automatically mailing to Facebook and Instagram.

Responsibilities:

  • Layout
  • Coding
  • Testing
  • Building production version (using code minification, obfuscation, etc)
  • Deployment options
  • Handling security
  • Implementation of UX to create user-friendly interface

Technologies/Environment:

  • JavaScript
  • HTML
  • CSS
  • React
  • Redux
  • MobX
  • Facebook API

 

Frontend developer, Astrology

6 months

Description:

Platform for ordering either astrologer or psychologist services.

Responsibilities:

  • Team management
  • Codereview
  • Coding
  • Writing unit test
  • Building production version (using code minification, obfuscation, etc)
  • Deployment options
  • Handling security
  • Implementation of UX to create user-friendly interface

Technologies/Environment:

  • React
  • Redux
  • MobX
  • JavaScript
  • HTML
  • CSS

 

Frontend developer, Synergy Sport

1 year+

Description:

 Analytical platform. Fantasy sport manager. Gambling.

Responsibilities:

  • Project architecture handling
  • Git flow management
  • Code review/ pull requests review
  • Estimation
  • Coding
  • Testing
  • Tech communications with other teams

Technologies/Environment:

  • React
  • Redux
  • MobX
  • JavaScript
  • Bootstrap
  • Lodash library
  • HTML
  • CSS
  • SASS
  • Cloud based API

Frontend developer, MDA operator

1 year+

Description:

 MDA Operator offers a number of managed account, client portfolio and administration services to financial planners, accountants and other AFS licensees and their Clients.

MDA Operator's primary business is the operation of a managed discretionary account service to both retail and wholesale investors. Through Managed Account Services, MDA Operator assists advisers to manage client portfolios using either a discretionary or individual approach, and manage adviser created Investment Programs tailored for their clients.

Responsibilities:

  • Project architecture handling
  • Git flow management
  • Code review/ pull requests review
  • Estimation
  • Coding
  • Testing
  • Tech communications with other teams

Technologies/Environment:

  • JavaScript
  • js
  • HTML
  • CSS
  • Vue
  • Vuex
  • React
  • Redux
  • MobX

 

Frontend developer, Kensee

1 year+

Description:

 Web application designed for analytics of the real estate market in different countries and cities.

The visual provision of the analytical information on all possible aspects of the real estate market, such as the rental cost, availability, property type, yield, and many others, in the form of charts and graphs;

Ability to receive topical news about the real estate, which the specially created for this purpose parser of the news sites and resources collects;

Flexible system of the user's profile settings;

Ability to compare the analytical data according to different regions, and a visual representation of this data on the same graph.

Responsibilities:

  • Layout
  • Coding
  • Testing (writing unit test mostly)
  • Building production version (using code minification, obfuscation, etc)
  • Deployment options
  • Handling security
  • Implementation of UX to create user-friendly interface

Technologies/Environment:

  • CSS
  • SCSS
  • HTML
  • C#
  • Azure search
  • Azure storage
  • Azure SQL
  • Azure queues
  • Azure Webjobs
  • Azure Functions
  • ASP REST API
  • APM
  • Facebook API
  • LinkedIn API

 

Frontend developer, HotelWish

10 months

Description:

 The client app for ordering food right to the hotel room or book the table in the hotel's restaurant to dine in.

Responsibilities:

  • Tasks implementation
  • Code review
  • Communication with the client

Technologies/Environment:

  • React Native for Web
  • React Native
  • React
  • JavaScript
  • HTML
  • CSS
  • Firebase
  • GA

 

Frontend developer, NewsFeed

8 months

Description:

 Support the team to unstoppably update the app with creating new formats for news feed, page’s layout, Ad formats. Development different additional features for sponsored feed and users. Refactor old poorly maintained codebase to new requirements with high-popular technology.

Responsibilities:

  • Tasks implementation
  • Code review
  • Communication with the client

Technologies/Environment:

  • Microservices
  • React
  • Preact
  • NodeJS
  • js
  • Python
  • Tornado
  • JavaScript
  • HTML
  • CSS
  • Firebase
  • GA

Education

2011 - 2015
Zaporizhzhya National Technical University
Computer Science

Software engineering

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