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Alex L.
Last update: 23 May 2019
Senior Blockchain / Backend Engineer
8+ years dev-experience, managing engineering teams (up 40 employees), 2+ years experience in AI/ML and high-load software projects. Expert in Permissioned Blockchain and architecture participated in Quorum Development - the JP Morgan blockchain technology
All rates are indicative, annual rate includes 20% discount
20% discount on yearly basis
GMT+2 East Europe


Industry Experience

Banking & Finance, Blockchain & Cryptocurrency

Product Experience

mobile financial management tool, ICO, Cryptocurrency, Blockchain-based platform


Mar `18 – Present

1 year


Lead Backend/Blockchain Developer

Tech architecture and implementation of backend and blockchain part of the project.

Sofie Blackstad, Advisor Stockholm Fintech Lab/ Advisor Nordea Bank

Hive Online – is the financial trust platform for small businesses based in Nordic countries. Since launching, Sofie Blakstad has been invited to the World Economic Forum, the G7 and G20 groups and World Bank/IMF Summit.

Technologies Stack:

Ruby on Rails


Banking & Finance


mobile financial management tool


Mar `18 – Mar `18


Lead Blockchain/ Backend Developer

Participated in backend, blockchain and frontend development on the project, prepared the solution architecture design, respons

ICONX is the ICO platform (investor & admin panel) seeing marketing a main priority. ICONX enables: ●Integration with traffic analyzing tools ●Integration with digital advertising engines ●User-friendly interface with customizable design ●Deployment in under two weeks

Technologies Stack:

Django Python Ethereum Solidity Vue.js


ICO, Cryptocurrency, Blockchain-based platform


Mar `18 – Dec `17

3 months


Blockchain Developer

Was responsible for refactoring and further development of the JP Morgan blockchain technology

JP Morgan blockchain technology

Refactoring and further development of the JP Morgan blockchain technology

Technologies Stack:

Blockchain Quorum


Blockchain & Cryptocurrency


App/Blockchain Development agency #246

We're using blockchain, mobile, web and machine learning for decentralization, process optimization and better service. Our team at 4ire Labs specializes in custom development on the most popular blockchains – Bitcoin, Ethereum, Hyperledger. The main goal of 4ire Labs is developing web, mobile, Ðapps for improving economies and make a transparent, reliable and secure system for governance and management. Providing such services: - Сustom development on popular blockchains - Smart Contracts Development & Audit - App Development - Consulting