Sergii – Express.js, Typescript, Saga, experts in Lemon.io

Sergii

From Ukraine (UTC+3)flag

Full-Stack Developer
Lemon.io stats
1
projects done
528
hours worked

Sergii – Express.js, Typescript, Saga

Core qualifications:
Development, testing and support of applications according to specifications;
Expanding the functionality of the real products, that requires the ability to dive deep into the code and architecture.

20 years of commercial experience in
Business intelligence
E-learning
Edtech
Entertainment
Event management
Fintech
Media
Project management
Telecommunications
Web-hosting
Mobile apps
Platforms
SaaS
Main technologies
Express.js
1 year
Typescript
2 years
Saga
1 year
Node.js
7 years
React
5 years
Redux
1 year
MySQL
1 year
JavaScript
1 year
Additional skills
Next.js
PostgreSQL
AWS
PHP
MongoDB
Backbone.js
Webpack
GraphQL
Axios
Direct hire
Not possible
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Experience Highlights

Full Stack Engineer (14 months)
Period not defined
Project Overview

A SaaS-based company located in Israel that provides plug-and-play development solutions to other SaaS companies

Responsibilities:
Project Tech stack:
React
Redux
Saga
Axios
Webpack
Rollup
Custom libraries.
Full Stack Engineer (4 months)
Period not defined
Project Overview

Developed an application for TV Hisense

Responsibilities:
Project Tech stack:
React
Redux
Saga
i18next
Jest
Animation
Full Stack Engineer (4 months)
Period not defined
Project Overview

Developed an administrative panel for the teaching platform.

Responsibilities:
Project Tech stack:
React
Redux
Redux-router
Saga
i18next
Full Stack Engineer (9 months)
Period not defined
Project Overview

Event platform. Worked on supporting and developing new modules for the service, on the front end.

Responsibilities:
Project Tech stack:
React
Redux
Backbone.js
Nightwatch
Full Stack Engineer (9 months) Distribution and control of the tasks of the team. Product development.
Period not defined
Project Overview

Worked on the development of administrative and partnership part for SMS-aggregator.
Developed an application for testing core daemons SMS messages.
Grab, response analysis and request from daemon to daemon.
Created an automatic test to check daemons.

Responsibilities:
Project Tech stack:
JavaScript
Node.js
Full Stack Engineer (3 months)
Period not defined
Project Overview

Outsourcing for partner company. Developed the administrative panel for the partner platform.

Responsibilities:
Project Tech stack:
React
GraphQL
React Test Library
Full Stack Engineer (7 months)
Period not defined
Project Overview

Implemented a payment system MANGOPAY to the existing project. Required functionality was payment by orders and payout to your sub-clients. Before we chose the Mangopay system, we tried many different systems like Hyperwallet+Braintree, Cashu.

Responsibilities:
Project Tech stack:
Node.js
Mangopay API
Express.js
Sequelize ORM
PostgreSQL
Full Stack Engineer (5 months)
Period not defined
Project Overview

Developed a new design for the main site, and fixed bugs in the project. Worked with a team.

Responsibilities:
Project Tech stack:
React
Redux
Saga
i18next
Jest
Animation

Education

1996
Computer Technology and Design
Master’s

Languages

English
Advanced

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