Position: Senior Software Engineer
Category: Node.js
English level: intermediate
Years of experience: 11

-	Developed smart algorithm to import and sort surveys from 3rd party marketplace to achieve high conversion rate (5% higher than average in the industry) utilizing blockchain smart contracts features.

-	Created an internal warehouse service that allows to buy gift cards of popular brands for tokens (via integration with 3rd party service)

-	Finished and launched long-developed project that crossed time and money deadlines, took responsibility after firing team leader.

-	Connected several digital goods stock providers and developed smart algorithm that takes goods from a stock provider with lowest price to serve a customer and to sell the product with best margin (increased overall margin by 20% in avg)
-	Created bonus reward system to provide discount to regular users in order to retain them (long-term retention increased by 10%)
Full-stack web and software developer with more than 15 years of experience, working with blockchain technologies, custom solutions in e-commerce and digital goods processing logic, as well as integration with 3rd party services such as digital cards providers, payment gateways, SMS verification services, marketing platforms, email gateways, social networks and messengers.

VETRI Foundation, CreativeDock	January 2019 – Present 
Backend Developer	Remote work, Switzerland company
Developing startup project that provides surveys from marketing agencies for users in the mobile app based on blockchain. Created on microservices architecture with Node.JS, Prisma ORM, private ETH blockchain and React. 
Working on internal API for mobile app, integration with 3rd party services via API, smart algorithm to reflect 3rd party data to private blockchain (create / update / top-up / disable smart contracts), blockchain smart contracts development, creating new microservices from scratch and DevOps tasks such as deployment of backend services including blockchain and blockchain bridge on Terraform and Helm to GCP.

-	Developed smart algorithm to import and sort surveys from 3rd party marketplace to achieve high conversion rate (5% higher than average in the industry) utilizing blockchain smart contracts features.
-	Set up private ETH blockchain and the bridge to transfer company tokens (VLD) between public and private chains
-	Created an internal warehouse service that allows to buy gift cards of popular brands for tokens (via integration with 3rd party service)
-	User base is constantly growing, project raised investments 3 times (approx. $200K)

VIDAPLAYER.COM	June 2016 – February 2021 
company
Develop launched e-commerce shop built on Node.JS, Meteor, MongoDB based on Reaction E-commerce core. Worked on tight integration with payment providers such as PayPal, HiPay and Skrill, anti-fraud security system, integration with SMS provider to verify users and important actions.
Looking to connect to team of any size as freelancer by contract.

Would be happy to work with following technologies:
Node.JS, Typescript, Microservices architecture, Web3,  Blockchain, Prisma ORM, Meteor, ReactJS, Blaze,  JavaScript, ES6, jQuery, Reaction E-Commerce, MongoDB, Git, GitLab, CI/CD, Terraform, Helm, GCP, Docker, Postgres, MySQL, C#, .NET, ASP.NET, MVC, .NET CF, Microsoft SQL Server