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Stefan A.
Last update: 26 Feb 2018
MIDDLE
NodeJS/Solidity developer passionate about decentralization and blockchain development.
All rates are indicative, annual rate includes 20% discount
20% discount on yearly basis
Usually responds within 1 hour
GMT+2 East Europe
Sofia/Bulgaria

PORTFOLIO HIGHLIGHTS

Oct `17 – Present

1 year

Cryptocurrency Investment Tool

Smart Contracts Developer

Developed several smart contracts implementing a multilayer upgradable architecture. Significantly optimized contracts implementation and thus reduced gas costs. Integrated several smart contracts with a NodeJS backend using Web3.js

A smart contract based investment tool consisting of multiple cryptocurrencies.

Technologies Stack:

JavaScript Node.js Ethereum Solidity Web3.js Truffle

Jun `17 – Oct `17

4 months

LK Insurance Broker

Full-stack Developer

Implemented the admin panel, user module, authentication and authorization. Created documentation with Compodoc and deployed the application in Azure

Angular 4 based web app allowing clients to order different kinds of insurance and observe them, while the employees have access to all clients‘ insurance policies and can manage them.

Technologies Stack:

AngularJS Azure Node.js

Jun `17 – Oct `17

4 months

Bonanza Algorithms Catalogue

Full-stack Developer

Implemented the admin panel and the judge system functionality. Wrote functional tests with Selenium and deployed the application in AWS

Web app based on Node.js with server-side rendering representing an algorithm catalogue with an admin panel, judge system functionality and chat where the client can solve complex tasks and chat with other users.

Technologies Stack:

AngularJS Node.js

Jan `17 – Apr `17

3 months

Library System CLI

Full-stack Developer

Implemented SQLite logger using Ninject interception, extracted the data layer, wrote command functionalities. Wrote unit tests in Nunit , Moq, Effort and Nmemory

Library management system with a console client application implemented in C#. The system’s data is hosted on an SQL Server database, user information is hosted using PostgreSQL, and administrative logs is hosted using SQLite.

Technologies Stack:

C# PostgreSQL NUnit

EDUCATION

Telerik Academy

Computer science

New Bulgarian University

MSc in Informatics

AI/ML, Blockchain, Mobile, agency #271

10-50
Sofia/Bulgaria
GMT+2

Industries

E-Commerce & Retail, Banking & Finance, Internet & Telecom, Blockchain & Cryptocurrency

Our mission is to create value by developing Deep Learning artificial intelligence systems. Our services include end-to-end deep learning infrastructure setup and training, as well as technological consulting and software development outsourcing.

MORE TALENT AVAILABLE AT THIS AGENCY

All rates are indicative, annual rate includes 20% discount
view Profile
Updated: 10 Jul 2018
CTO of Centroida
Skilled technologist with more than 16 years of professional experience in software engineering (10 of which in the corporate world), project and product management, release management and cross-geo c...
2 Projects completed
GMT+2 East Europe
All rates are indicative, annual rate includes 20% discount
view Profile
Updated: 10 Jul 2018