Sergii
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About Sergii
Sergii is an experienced IT specialist with 6 years of expertise in JavaScript, React, Vue, React Native, Redux, and Next.js.
7
Years of
Experience
22
Happy
Clients
168
Complete
Projects
Skills
JavaScript
89%
Next.js
81%
React
89%
React Native
80%
Redux
71%
Vue
84%
Expericence
Senior Front-End Developer
ClearCryptos
Date: 04.2022 — 01.2023
Project description
ClearCryptos first protocol is a decentralized exchange (DEX) with an aggregated solution that will search for the best pathway for the user to swap crypto giving the user the best rates possible while also showing the user alternate routes. ClearCryptos operates as the first ever fiat on-ramp for Decentralized exchanges giving people the option to purchase crypto without having to go through centralized exchanges. In addition, ClearCryptos also provides the most unique analytics tools while also providing a state-of-the-art trading platform where users can create and upload scripts to provide the optimal user experienceResponsibilities
The main task was to create a platform for analyzing cryptocurrency and exchanges there
Senior Front-End Developer
Evrlearn
Date: 12.2021 — 08.2023
Project description
Evrlearn is a B2C marketplace for people interested in life learning. The platform allows users to find and book relevant online and offline courses from the best universities in SwitzerlandResponsibilities
Create a client-side app using React js with a complex system of search and filters aimed at helping learners find the most relevant courses and programs. We set up a great number of different search criteria to allow users to get personalized recommendations.
Senior Front-End Developer
MedYouCate
Date: 11.2021 — 03.2022
Project description
MedYouCate is a global learning platform that showcases the current state of surgical knowledge through curated videos, making it the perfect resource for young surgeons in training as well as for experienced surgeonsResponsibilities
Create an SSR app using Nextjs that helps provide an exceptional learning experience for young surgeons
Senior Front-End Developer
Fuzu
Date: 04.2020 — 10.2022
Project description
Fuzu is Africa’s #1 career platform, nominated as one of the most promising start-ups on the continent. We believe that every human being is born with talent, but a lack of opportunities and support makes us fall short of our potential. On Fuzu, learning, inspiration, and employment opportunities are just one click away.Responsibilities
Create a client-side app using React js optimized for a small amount of traffic and adapted for people with limited capabilities. Create a b2b and b2c platform with a single admin pane
Senior Front-End Developer
Google Stadia
Date: 06.2019 — 01.2020
Project description
Stadia was a cloud gaming service developed and operated by Google. Known in development as Project StreamResponsibilities
Creating a highly optimized application for cloud gaming in real-time and providing stable games in 4K resolution at 60 frames per second,
Senior Front-End Developer
AppClose | Casetack | Lead
Date: 01.2018 — 12.2019
Project description
Based in Austin, Texas, AppClose was created in 2016 by a team of professionals with a desire to provide parents and primary caretakers alike with innovative technology designed for co-parenting better together. The Complete Communication Solution for Family Law & Mental Health Professionals.Responsibilities
Create a client-side app for co-parenting with many calendar features.
Front-End Developer
Senden 24 GmbH
Date: 01.2017 — 12.2018
Project description
Senden24 is an instant carrier service to deliver your shopping bags on demand. No missed deliveries, no full hands of shopping bags. Just click the button once you are home and your courier is on the way. "You shop - we deliver"Responsibilities
Took ownership of developing and implementing the frontend components of web applications using HTML, CSS, and JavaScript. Collaborated with backend developers and designers to ensure seamless integration of frontend and backend components.
Front-End Developer
Movinga
Date: 01.2016 — 07.2016
Project description
We have helped to create Movinga product with Ruby on Rails microservices architecture. Technically the product included different microservices as API consumers, providers, and proxies, Front-facing Ruby on Rails web apps, Admin backends, Mobile backend APIs. integrations with internal operational systems. We have helped to create Movinga product with Ruby on Rails microservices architecture. Technically the product included different microservices as API consumers, providers, and proxies, Front-facing Ruby on Rails web apps, Admin backends, Mobile backend APIs. integrations with internal operational systemsResponsibilities
Worked closely with the design team to translate mockups and wireframes into fully functional and visually engaging user interfaces. Maintained consistency in design across different platforms and devices, improving application performance and user experience.
Front-End Developer
Wargaming
Date: 09.2015 — 03.2016
Project description
The Wargaming project is an ambitious endeavor aimed at delivering an immersive and captivating gaming experience to players worldwide. Rooted in the world of military history and strategic warfare, the project's primary focus is on developing and publishing online multiplayer games that offer unparalleled depth, realism, and strategic challenges.Responsibilities
The main task was to create a platform with a map with historical monuments and places of the glory of World War 2 battles
Front-End Developer
Settle
Date: 03.2015 — 09.2015
Project description
Settle is the first startup in the CIS and Ukraine, which gave guests the opportunity to get a new experience of paying the bill in a restaurant. In addition, the Settle app combines a mobile payment service and a loyalty program. For establishments, this is a new analytics tool that allows you to make marketing personalized. We have a close-knit ambitious team. We believe in the idea and success of the project.Responsibilities
As a Frontend Developer at Settl, my responsibilities were focused on designing, implementing, and maintaining the user interface of the company's web applications and platforms. My role was crucial in creating an intuitive and visually appealing user experience for Settl's customers.
Front-End Developer
Visa GlobalBonus
Date: 10.2014 — 02.2015
Project description
Visa GlobalBonus is an innovative and user-centric web application aimed at providing Visa cardholders with an exciting and rewarding experience for their card usage. The project's primary objective is to enhance customer loyalty, engagement, and satisfaction by offering a comprehensive rewards program that caters to their specific preferences and needs.Responsibilities
I was responsible for designing and implementing the user interface of the Visa GlobalBonus application. This involved creating visually appealing and user-friendly interfaces to enhance the overall user experience.
Employee
Data Group
Date: 09.2014 — 12.2014
Project description
The Data Group Analytics Platform is a sophisticated data-driven solution designed to empower businesses and organizations with comprehensive insights and actionable intelligence. The project's main focus is to provide a centralized and user-friendly platform that enables data integration, analysis, and visualization, facilitating informed decision-making across various departments and industriesResponsibilities
The main task was to create an admin panel for internal use. As well as several public services for interaction with the company