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Home / Blog / Production-Grade Resilience for an API Migration Layer

Production-Grade Resilience for an API Migration Layer

Oleg Panchenko · Published 10 Jul 2026 · 1 min read
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About FreySoft

FreySoft is a software engineering partner for regulated fintech and data-intensive platforms. Founded in 2019 by CEO Oleg Panchenko, the company specializes in API and platform integration, data engineering, and AI and automation systems.

FreySoft operates through entities in the US, Portugal, Poland, and Ukraine, with client leadership based in the US and Portugal and senior engineering delivery based in Poland and Ukraine.

Client engagements average 4+ years, including long-term partnerships with cross-border payments platforms and compliance technology providers. Delivery is fixed-scope and fixed-price, ranging from €35,000 with senior engineers assigned from day one.

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