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Sergey C.
Last update: 28 Nov 2018
SENIOR /team lead
Fullstack Developer with Solid Team Leading Experience
I've got 3.5 years of development and project support experience in multiple businesses domains. I'm a hard working enthusiast and I can't imagine the life without coding. I'm proficient at: React, Redux, React Native, Node, MongoDB. I'm an idealist, so working with me you're guaranteed to get a top-quality product in a way it should be.
All rates are indicative, annual rate includes 20% discount
20% discount on yearly basis
Usually responds within 1 hour
GMT+2 East Europe
Kyiv/Ukraine

EXPERIENCE

Industry Experience

Safety & Security, Environmental Activism & Social Organisations, Shopping & Loyalty programs

PORTFOLIO HIGHLIGHTS

Person identification software

Software Engineer

Responsible for building new features, developing photo rotation functionality (both for desktop and mobile), fixing desktop publishing for FAQ page, adding new features to admin panel like ability to change platform fee for all future items added by users, platform scaling and further bugs fixing, constant communication with customer, multiple bugs fixing (like incorrect photos/dates/items display, inability to leave comments etc.)

Within this software individuals can control their assets and permission-based conduct. Doing so is possible by reciprocally balancing the rights and responsibilities of a universal and portable identity.

Technologies Stack:

Express.js MongoDB Node.js React.js Redux

Industry:

Safety & Security, Environmental Activism & Social Organisations

Loyalty App

Software Engineer

Responsible for adding new features to admin panel, implementing statistics for back-end (the most popular products, period, number of checked-in clients, average number of visits, sales volume etc.), sync-ups and status updates with client, fixing bugs mostly related with payment - untimely push notifications or incorrect order total calculation

App for Middle Eastern cafes and restaurants

Technologies Stack:

Express.js MongoDB Node.js React Native Firebase database Redux

Industry:

Shopping & Loyalty programs

Security App

Software Engineer

Responsible for development of the 2nd version of the app, adding new screen where user could choose authentication method whether through general screen or touch ID and set up one as a priority in settings, adding separately new screen for Apple watch where user can see sign in attempts to the app and approve them or decline, creating one time password for 2-factor authentication for Apple watch (with auto-renewal every 30 seconds).

2-factor authentication program for B2B

Technologies Stack:

React Native Firebase database Redux

Social Platform

Software Engineer

Responsible for building project from scratch, creating editor for text, pictures, video, audio, ability to add/edit/delete notes, creating detailed timeline for certain notes search, onboarding system development, presenting updates and new features added to the customer

Personal notes organizing environment

Technologies Stack:

Express.js MongoDB Node.js React.js Redux

Canadian Booking Platform

Software Engineer

Responsible for new features development, creating admin panel from scratch so that user can edit text, photos, manage fields for different venues, support

Events-oriented venue matching platform

Technologies Stack:

Express.js MongoDB Node.js React.js

EDUCATION

Kyiv National University of Economics and Trade

Bachelor in International Relations

Web & mobile development agency #163

10-50
Kyiv/Ukraine
GMT+2

Industries

Business & Productivity, Sports & Fitness

Web/mobile design and development

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