English:
Upper Intermediate
Oleksii H.
Vetted by YouTeam
Ukraine
UTC +02:00
Ukraine/Kyiv
English:
Upper Intermediate
Senior JavaScript Developer with more than 8 years of professional work experience in web development.
I’m a Front-End developer with more than 8 years of professional work experience in web development. I specialize in developing complex client-side web applications. I have participated in a range of projects connected to e-commerce, mobile development, UI frameworks, and analytics.
Want to hire this engineer?
Check if Oleksii is availableExpertise
Years of commercial development experience
8 years of experience
Core technologies
Other technologies
Project Highlights
Mat3ra
Feb `23 - Oct `23
8 months
Cloud-native digital materials R&D platform. It enables materials scientists and engineers to adopt and deploy a wide variety of modeling techniques to develop new materials.
Responsibilities & achievements
Developing user interface. Extending UI functionality.
Quant Technologies
Jun `21 - Feb `23
2 years
Quant Technologies
Retail platform for managing Socar gas stations.
Responsibilities & achievements
Developing Point Of Sale UI interface. Developing Customer Screen UI interface. Developing Self Checkout UI interface. Integration with REST API.
Easel
Mar `21 - Jun `21
3 months
Content management system.
Responsibilities & achievements
Developing user interface. Integrating with REST API.
XJS
Excel engine which allows converting and calculating excel documents in Javascript (Browser and Node.js).
Responsibilities & achievements
Extending and supporting Excel functions.
IVD
Web application to create interactive presentations.
Responsibilities & achievements
Extending presentation editor functionality. Generating PPTX reports. Generating Word documents. Enhancing UI functionality.
Ramo
Platform for clothing customization where you can create a unique t-shirt or hoodie.
Responsibilities & achievements
Extending UI functionality. Developing functionality to add multiple images on Canvas. Developing functionality for image transformation on Canvas (move, rotate, scale, delete). Extending the order configuration menu.
MoveData
Fundraising platform.
Responsibilities & achievements
Extending API for new integrations. Implementing email reports using SES. Developing GraphQL API. Refactoring lambda heartbeat functionality. Extending terraform configs to support new AWS services.
Welcome To Country
E-commerce platform for selling travel experiences in Australia.
Responsibilities & achievements
Developing UI based on the Shopify platform. Creating AWS Lambda functions to send emails for order creation, update, and reminder. Integrating with third-party plugins for Shopify.
Toyzwave
E-commerce platform for IoT selling toys.
Responsibilities & achievements
Developing store and admin UI. Developing backend and API for managing orders and products. Integrating with Stripe payment system. Creating product list and card.
Ezlo
Ezlo company site.
Responsibilities & achievements
Developing and supporting a company site. Creating new pages. Integrating with the Medium platform to retrieve company-related articles. Implementing complex animations for new products.
Uber
Data visualization tool for representation expenses between distribution channels (TV, Radio, Internet etc.)
Responsibilities & achievements
Developing interactive charts using uber React-vis library. Implementing parsing and indexing big data files up to 100Gb. Implementing search through a big amount of data.
Secure Swiss Data
Email encrypted service including a mobile app, a web app B2B, B2C.
Responsibilities & achievements
Developing a webmail client. Developing a mobile application. Developing signup and login functionality for mobile and web. Integration with payment systems Stripe, CCBill. Backend for email exchange. Working with email parts.
OpenMedia
OpenMedia - newspaper.
Responsibilities & achievements
Creation user interface and admin for news creation. Developing the main article page, a news feed, article tag system. Developing signup and login functionality. Developing admin form for article creation.
UI toolkit
UI framework for building UI interfaces. The project represents a set of UI components for quick UI development.
Responsibilities & achievements
Developing a reusable set of UI components (buttons, popups, dropdowns, checkboxes etc.)
Premix
Data visualization and data analytic mobile application.
Responsibilities & achievements
Developing UI and animation components. Creating animation controls (sliders, buttons, sidebars, popups). Managing scenarios. Integrating with Excel model. Integrating with Vablet system. Developing charts with D3 library. Generating PDF reports.
Education
Higher education in Computer Science
Agency
100-400
GMT+2
Kyiv/Ukraine
Core Expertise
Industries
Education & Science, E-Commerce & Retail, Banking & Finance, Information services & Technologies, Advertising & Marketing, Travel & Tourism, Healthcare & Medicine, Booking & Rent, Electronics & Equipment, Blockchain & Cryptocurrency, Cybersecurity & Data Protection, FMCG, Big Data, Automotive, Internet of Things, Entertainment, SaaS, ERP
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Check if Oleksii is available