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Sergey S.
Last update: 20 Nov 2018
MIDDLE
Blockchain and cryptocurrency developer with 3+ years expertise
All rates are indicative, annual rate includes 20% discount
20% discount on yearly basis
GMT+2 East Europe
Kharkiv/Ukraine

TECH STACK

Programming Languages:

JavaScript TypeScript

RDBMS:

Node.js

Operating Systems:

Linux Ubuntu Unix

Development Tools:

AWS Google API

Other skills:

Bash

Libraries/Frameworks/Tools:

Express.js Socket.IO Mongoose

EXPERIENCE

Industry Experience

Banking & Finance, Photo & Video, Fashion & Style, Films & TV, Blockchain & Cryptocurrency

Product Experience

Blockchain-based platform, ICO Tokens, ICO, video streaming app, Video streaming, networking, Event Networking, Mobile app for Video conferencing and Messaging, Middleware for integration of wallet services and consumers, Cryptocurrency

PORTFOLIO HIGHLIGHTS

Sep `18 – Present

3 months

Securitize

Blockchain developer

Securitize is proud to provide industry-leading tools and services for issuers of, and investors in, digital securities. We are dedicated to providing our customers with services that will ensure their funding and capital management success.

Technologies Stack:

AngularJS

Industry:

Banking & Finance

Product:

Blockchain-based platform

Works:

Sep `18 – Present

3 months

Hacera

Blockchain developer

HACERA uses Zero-Knowledge proofs to solve inherent problems relating to privacy, data confidentiality and transaction unlinkability. HACERA allows blockchain participants to transact freely without worrying about others being able to “profile” them, and see all of their transaction history, prices, amounts or even counterparties.

Technologies Stack:

Node.js

Product:

Blockchain-based platform

Works:

Oct `18 – Dec `18

2 months

Zafeplace

Blockchain developer

Zafeplece is platform which provides access to the Ethereum solutions. Zafeplece included user controlled Ethereum wallet and solution for easy integration of third party services. Integrated KYC system and blockchain based Identity mechanism are helping to obtain top level security.

Technologies Stack:

JavaScript Node.js Ethereum Stellar

Product:

ICO Tokens, ICO

Works:

Sep `18 – Dec `18

3 months

FAMER

Backend developer

Famer is a video challenge network for posting videos of different challenges. Users are able to: • Create video and post it to enter a challenge. • Compete in different challenges and win real prizes. • Watch videos from your friends and other Famers from all over the world. • Share Famer videos in other social networks.

Technologies Stack:

JavaScript Node.js

Industry:

Photo & Video, Fashion & Style, Films & TV

Product:

video streaming app, Video streaming, networking, Event Networking, Mobile app for Video conferencing and Messaging

Works:

Oct `17 – Dec `18

1 year

CoinDrive

blockchain developer

CoinDrive - simple and secure way of managing Bitcoin shared funds. The payment system allows people to create and easily manage shared wallets. CoinDriveBot provides flexible management of shared funds (BTC), using SHARED wallet directly in Telegram. When a new person joins the conversation, it can easily set up daily limits, transaction limits, administration permissions, etc.

Technologies Stack:

Ethereum

Industry:

Blockchain & Cryptocurrency

Product:

Middleware for integration of wallet services and consumers, Cryptocurrency

Works:

Design, Web&Mobile, Blockchain agency #256

50-100
Kharkiv/Ukraine
GMT+2

Industries

Entertainment & Games, Mapping & Navigation, Photo & Video, Healthcare & Medicine, Safety & Security

We have strong software development and design teams, Blockchain, AI and mapping expertise.

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