Сергій

Serhii Andriievskiy
Frontend Engineer
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SUMMARY

Frontend Engineer with a 3 years experience in using React.js and a total of 4 years in
front-end web development.

I worked on a project to provide information about products sold on Amazon. Developed a
dashboard with flexible charts to show metrics over time, set up alerts for tracking specific
metric values, and contributed to building a notification bot for users. I also created a service to
monitor and display the status of other services' failures over time. Additionally, I handled the
migration to a new UI framework and managed the development
and maintenance of documentation
WORK EXPERIENCE

Frontend Engineer at AAT August 2022 – current
Project: Analytics dashboard
A professional dashboard for analyzing and processing large volumes of metrics for Amazon
sellers' products, offering efficient monitoring, customizable alerts, and problem resolution
for tens of thousands of items
Technologies: Typescript, React, Vite, Material UI, React query, React Hook Form, Zustand,
Highcharts
Achievements:
● Participated in designing the front-end architecture of the project and implemented a
unified solution to problems, strengthening the team and increasing development
speed by 30%
● Developed an optimal state management solution using the Zustand library and
modern design patterns, adopted by all team
● Designed flexible time-based charts for displaying key user metrics, optimizing
analytics processes and improving the efficiency of analysts
● Created a microservice for monitoring performance statuses of other microservices,
enhancing operational transparency and system efficiency
● Led the project migration to a new UI framework, ensuring a smooth transition
process
Team: 1 Team lead, 3 Front-end, 2 Back-end, 1 QA, 2 BA
 Frontend Engineer at CryptoFalcon April 2021 – May 2022
Project: Traffic Generation
The startup specialized in generating traffic by providing users with the opportunity to earn
tokens for clicking on links, while clients received targeted traffic
Technologies: React, Tailwind CSS, React query, Redux, Webpack, Web3, Telegram API
Achievements:
● Integrated the Telegram API to establish seamless communication with clients
through a user-friendly bot, enhancing client engagement and support.
● Created an interactive dashboard for tracking statistics that provides insights
into user activity and campaign performance
● Integrated a crypto wallet for users, simplifying the process of managing
digital assets
● Integrated a referral link system that allows users to earn additional tokens,
stimulating the growth of the user base
Team: 1 Team lead, 2 Front-end, 1 Back-end, 1 BA

LANGUAGES

English: B1
Ukrainian: Native

SKILLS

Languages: HTML, CSS, JavaScript, TypeScript, HTML5, CSS3
Technologies: React, Next.js, Material UI, Tailwind CSS, Zustand, Redux-Toolkit, Shadcn,
React Query, Yarn, Vite, Highcharts, RESTful
Code Quality: FP, PP, SP, Design Patterns, SOLID, DRY, KISS, YAGNI
Tools: Git, Swagger, Postman, Jira, GitHub / GitLab