
Alex
Web developer since 1998. He had met Ruby 12 years later while using Sinatra and Ruby on Rails. Madcap for algorithms. Linux administrator and Open Source ideology evangelist. In free time he explores the secrets of machine learning.
It seems that perfection is attained not when there is nothing more to add, but when there is nothing more to remove.
Skills
Backend &Frontend Development Deployment Teamwork Leadership Refactoring TDD Agile Team Building Linux Server Administration Remote Work Product DevelopmentProjects
GOBL
Global JSON Invoicing Standard
An open standard initiative for interoperable JSON invoicing across regulatory ecosystems.
Major contributions
- XRechnung validation support in CI
Project Koch (NDA)
global e-commerce platform
A large-scale commerce platform with distributed services and customer-facing workflows. Reliability and interoperability were essential to daily operations.
Major contributions
- Architecture design and service hardening
Project Julia (NDA)
digital education platform
A global learning platform serving millions of learners and thousands of courses. The system supports multiple partner types and course formats.
Major contributions
- Ruby on Rails delivery across partner-facing modules
- Flaky tests reduction
Hitdea
based on microservices
A logistics-focused platform with distributed services and custom operational modules.
Major contributions
- SOA design and development
- Deployment and workflow automation
SelectHub
software selection platform
A platform helping organizations evaluate and select software solutions.
Major contributions
- Ruby/Rails upgrades and data migration support