Olexandr Shalakhin is a founder and seasoned technology leader with 15 years of experience building fintech, blockchain and edutech products and companies from idea to market. As Founder & CEO of Barva.Tech and former CTO of PayCash Swap he blends hands-on backend engineering with strategic product and team leadership, delivering secure, scalable systems for financial institutions. He has a strong entrepreneurial track record—multiple startups, accelerator alumni, and experience investing in and advising early-stage teams—paired with practical full-stack development roots in Python/Django and Go. Olexandr contributes to open-source (notably improving Sentry’s raven-go examples and build quality) which reflects his attention to developer experience and operational correctness. Based in Tel Aviv, he combines academic rigor from a Master’s in Economic Cybernetics with real-world expertise in business analysis, ISO-aligned processes, and rapid product delivery.
16 years of coding experience
11 years of employment as a software developer
Bachelor Law, Bachelor Law at Ukrainian Academy Of Banking Of The National Bank Of Ukraine
Master Economic Cybernetics, Master Economic Cybernetics at Kyiv National Economics University
Contributions summary:Olexandr primarily focused on improving the examples within the `raven-go` package. They added and modified example code to demonstrate proper usage, incorporating best practices for error handling and reporting. Furthermore, the user addressed build issues within the examples and refined the code based on feedback to align with documentation standards, ultimately streamlining the example implementations. This work ensured the examples are up-to-date and accurately illustrate how to use the raven-go client.
Contributions:6 releases, 19 commits, 11 pushes in 1 year 7 months
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