Ex CTO, Staff Engineer, Architect and Engineering manager

Company:
Collinsongroup.com
Role:
Full Stack Engineer
Team Size:
30+
Technologies:
Nodejs, GraphQL and Apollo Federation, Datadog and Winston, React, Nextjs, Vercel, Mongodb, kubernetes, docker, jest, cerbos, aws
Architecture
Microservices, Clean Architecture, Onion architecture, Micro frontends
Company:
Siemens-energy.com
Role:
Blockchain Architect / Senior Architect
Team Size:
15+
Technologies:
HyperLedger Besu, Etherium, etherjs, web3js, Typescript, Nestjs, Jest, Nodejs
Company:
propine.com
Role:
Blockchain Staff Engineer
Team Size:
20+
Period:
September, 2020 - August, 2021
Technologies:
Custody wallet, AWS, Typescript, Nodejs, Hapijs, RabbitMQ, Jest, ElasticSearch and OpenSearch, Docker, Terraform, PostgreSQL, Algorand, Cosmos, etherjs, Polygon, Binance Smart Chain, Metamask
Responsibilities:
  • Implement support for various blockchain architectures and integrate our applications to various native Blockchains. Design & deliver thoughtfully crafted REST APIs, interfaces and database schemas to ensure scalability, maintainability, and performance;
  • Participate in and contribute actively to architecture reviews, code reviews, design reviews, postmortems, and raise the bar for engineering best practices across the team;
  • Setup and secure blockchain nodes, wallets and application servers;
  • Write scripts to automate the deployment of infrastructure;
  • Document steps and processes for the setup and maintenance of infrastructure;