English:
Upper Intermediate
Sergey K.
Vetted by YouTeam
Ukraine
UTC +02:00
Ukraine/Kyiv
English:
Upper Intermediate
I’m a JavaScript / TypeScript software engineer specialized in developing web applications with React, Next.js, Node.js, Express, and GraphQL.
I’m proficient in developing web products for retail and booking; designing customizable dashboards for business intelligence and data analytics. Experienced in creating pixel-perfect page layouts with SCSS Less, and Stylus. I can take ownership of project delivery at all stages and at all levels, starting from the initial architecture to the overall application look & feel.
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Check if Sergey is availableExpertise
Years of commercial development experience
3 years of experience
Other technologies
Project Highlights
Hospitality System
Hospitality System (the real name is under NDA), developed for a large hotel network operating in Northern Europe. There I was responsible for designing and implementing the product from conception to release working closely with stakeholders at every stage. I also designed overall code architecture, took into account non-functional requirements and plans for future extension. The technology stack I used includes TypeScript, React, Next.js, Redux, Material-UI.
Responsibilities & achievements
Designing and implementing the product from the conception to release working closely with stakeholders at every stage. Designing overall code architecture, taking into account nonfunctional requirements and plans for future extension. Implementing and testing the core product features, including payment processing and the hotel catalogue with the intelligent search. Creating custom page layouts based on the high-level business requirements, initial templates, and mockups.
Retail BI Solution
The next one is Retail BI Solution (the name is under NDA), a custom business intelligence web application developed for a large US-based retail company to simplify day-to-day processes and consolidate goals and operation of the sales, finance, and marketing departments. The client-side web application is implemented in TypeScript and React and relies on a custom backend API developed with Symfony. The interaction between client and server is implemented using Apollo GraphQL. The custom responsive user interface is implemented on the base of Material-UI.
Responsibilities & achievements
I was designing and developing the frontend part of the project from the ground up, working together with a team of backend engineers. Implementing user interface relying on detailed prototypes provided by the UI / UX Design team. Integrating the frontend with the backend GraphQL API. Implementing charts and graphs for high-level business overview and forecasts. Working closely with stakeholders throughout the project development.
Agency
50-100
GMT+2
Dnipro/Ukraine
Core Expertise
Industries
Education & Science, E-Commerce & Retail, Banking & Finance, Information services & Technologies, Sports & Fitness, Advertising & Marketing, Social Media & Communication, Healthcare & Medicine, Booking & Rent, Data Science & Machine Learning, Big Data, Internet of Things, Branding, design, web development, SaaS, ERP, Translation and Localization
Want to hire this engineer?
Check if Sergey is available