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Summary

Expertise

Project Highlights

Education

Agency

SM

English:

Proficient

Serhii M.

vetted by Youteam

Vetted by YouTeam

Ukraine

UTC +02:00

Ukraine/Kyiv

English:

Proficient

Experienced front-end engineer with 10+ years in web apps, CRM, and media hubs, using JavaScript, React, and Angular.

• Led 3 front-end dev teams (4 members each). • Built a Twitter-like social network. • Focused on complex features, architecture, and tech integration.

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Expertise

Years of commercial development experience

10 years of experience

Core technologies

JavaScript 9 years
React.js 7 years
TypeScript 6 years
RxJS 5 years
Redux 6 years
Redux-saga 5 years

Other technologies

PHP
WordPress
Angular 2x
SCSS
Jest
Material-UI

Project Highlights

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Team Lead

Huge Sports Betting and Lotto games online platform operating for 18 countries

Led 3 front-end dev teams (12 devs total), managing complex feature development, tech upgrades, support, testing, modern design, and third-party integrations.

Responsibilities & achievements

• Developed desktop, mobile, and CMS applications, including features like live streaming, bet sharing, and responsible gaming. • Led daily strategy meetings, sprint planning, and task distribution based on team strengths. • Onboarded new members and contributed to hiring by interviewing candidates. • Reviewed pull requests for sustainability, maintainability, and test coverage. • Fostered knowledge sharing to enhance team skills and ensure operational continuity across the app's modules.

React.js
TypeScript
Angular 2x
Jest
Next.js
icon
React Developer

Organizer for Machine Drivers in Agriculture

Building Organizer to manage machine drivers work on a field. Dashboard, a PWA application that people in huge machines that operate on a vineyard install on their tablets to see area they need to operate on, when do they need to be there, how much fuel they spent, how much things they have collected on a field, created appointment manager with ability to specify an area (specific field) directly on a google maps so that drivers of the machines visually could see the size of the location etc.

Responsibilities & achievements

• Built the UI and functionality of the app using the specified technology stack, ensuring the solution was sustainable, maintainable, and scalable. • Participated in daily meetings (stand-ups) to align on project goals and progress. • Assisted other developers with feature development, testing, and troubleshooting to foster a collaborative team environment.

React.js
Redux-saga
Material-UI
icon
React Developer

Cryptocurrency Ecosystem

Building a marketplace that operates a Dagcoin crypto currency allowing users to buy goods and services with it. • Dashboard which allows management of everything related to a marketplace: user registration, moderation of their profiles, payment methods, things that they are posting on a marketplace, checking if those materials being posted do not violet the marketplace policy, etc. • Gift cards service: to generate gift cards with a specific amount of coins on them to be able to share them with another user and make him participate with a platform. • E-wallet service: electronic waller that allows interaction between different users allowing them to create transactions with each other sending coins between each other. Cannot say of other functionalities as I was involved only in building this one.

Responsibilities & achievements

• Built several microservices: deposits, gift cards, and admin panel collect all of the statistics from the marketplace. • Created UI according to instructions.

React.js
Redux
Material-UI

Education

Higher education in Computer Science

Agency

Development agency #31

400+

GMT-11

Remote

Want to hire this engineer?

Check if Serhii is available