Summary

Expertise

Project Highlights

Education

Agency

YS

English:

Upper Intermediate

Yaroslav S.

vetted by Youteam

Vetted by YouTeam

Ukraine

UTC +02:00

Ukraine/Kyiv

English:

Upper Intermediate

I have experience in creating applications from scratch, support, migration of legacy code to modern frameworks, integration of third-party services.

I have experience in creating applications from scratch, support, migration of legacy code to modern frameworks, step-by-step rewriting, integration of third-party services, splitting monolithic applications into microservices, database optimization, project/ function planning, and teamwork organization. Worked in various roles as an only Backend software engineer, Full Stack, and Team Lead, indifferent team sizes - from 1 to 30+ (per project), remotely, offline, and mixed.

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Check if Yaroslav is available

Expertise

Years of commercial development experience

7 years of experience

Core technologies

PHP 7 years
Laravel Framework 7 years
MySQL 7 years
React.js 5 years
React Native 3 years
Node.js 4 years

Other technologies

API
Express.js
JavaScript
MongoDB
MySQL
Node.js
PHP
PostgreSQL
React.js
React Native
Symfony
TypeScript
Laravel Framework
Redis
Docker
MariaDB
Redux
Vue.js
Jest
Nest
GraphQL
Nest.js
REST Api

Project Highlights

icon
PHP/Laravel Developer

Yellbee

The service for booking tours, hotels and flights, which works on the principle of the best price - shows offers from different tour operators, sorted by price.

Responsibilities & achievements

I worked on rewriting an old application on Laravel, database design, third-party services (tour operator API), and feature planning What was used

MongoDB
MySQL
PHP
Yii
Laravel Framework
Redis
Vue.js
icon
FullStack Developer

SixtyFive

Fintech service for US retirees who have their own property and want to convert it into monthly income

Responsibilities & achievements

I was responsible for several microservices such as bank account maintenance, card issuance, customer management, etc.

Node.js
React.js
Firestore
icon
FullStack Developer

Winnow Analytics(RelayiQ)

Alerting system for Tableau Software dashboards.

Responsibilities & achievements

Maintaining, bug fixing, and rewriting old applications (native PHP and JS) to modern frameworks (Laravel and VueJS), DB optimization, DB re-design, and performance improvement.

Node.js
PHP
PostgreSQL
Laravel Framework
Redis
Vue.js
icon
Backend Developer

SafeUp

A social network for women with a priority on safety. Main features: video calls, chat, communities, ratings, complex verifications at the registration stage to avoid entering a man into the community

Responsibilities & achievements

I was responsible for the whole backend - maintaining legacy code, DB design, rewriting the monolith, feature planning, integrations, CRM, bugfix, scripting, preparing to MVP and release into production

AWS
Node.js
PHP
PostgreSQL
React.js
React Native
Twilio

Education

Higher education in Computer Science

Agency

Web Development agency #2870

10-50

GMT+2

Kyiv

Core Expertise

AWS
JavaScript
MongoDB
MySQL
Node.js
PHP
PostgreSQL
React.js
Shopify
Symfony
WordPress
Zend
Laravel Framework
Shopify Templates
WordPress e-Commerce
Wordpress Plugin
Angular 2x
Firebase database
SQLite
MariaDB
Redux
Vue.js
AWS SDK
Firebase Realtime Database
Mongoose
AWS Lambda
Redux-saga
Firebase
Nuxt.js

Industries

Architecture & Design, E-Commerce & Retail, Banking & Finance, Information services & Technologies, Construction & Real estate, Internet & Telecom, Travel & Tourism, Healthcare & Medicine, Electronics & Equipment, Blockchain & Cryptocurrency, Automotive, Branding, design, web development, SaaS

Want to hire this engineer?

Check if Yaroslav is available