Vitalii Fostiak
Senior Software Engineer at EPAM Systems
Ukraine
Summary
👤
Senior🎓
Top SchoolVitalii Fostiak is a Senior Software Engineer with 14 years of experience building full‑stack, cloud‑native applications using .NET Core, React, and Azure. He specializes in productionizing Generative AI solutions—delivering a Retrieval‑Augmented Generation agent for a large enterprise—and tightly integrates Azure OpenAI, Document Intelligence, Cognitive Search, and Cosmos DB into customer‑facing systems. On the frontend he favors modern React stacks (Mantine, Zustand, React‑Query, MSAL), while on the backend he leverages Web API, Azure Functions, Durable Functions, SignalR and EF Core to boost performance and reliability. He has a strong operational focus, securing and scaling systems with Azure Key Vault, Log Analytics and both Cosmos DB and relational stores. Based in Ukraine, Vitalii combines hands‑on engineering with recent AI certifications and a knack for turning research‑grade AI features into resilient, user‑focused products.
14 years of coding experience
8 years of employment as a software developer
НУ ЛП
Англійська, Українська
Stackoverflow
8,827reputation
1.7mreached
212answers
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Github Skills (164)
pivot-tables10
parser10
postgresql10
ioc-container10
expressions10
pivot-grid10
dynamic-linq10
evaluator10
orm-framework10
formulas10
csv-parsing10
dto10
embedded10
chartjs-plugin10
cpp10
Programming languages (8)
Github contributions (5)
seektable/localization
May 2020 - Dec 2024
Contributions:18 pushes, 1 branch in 4 years 8 months
nreco/presto-ado
Sep 2021 - Oct 2022
Contributions:4 commits, 2 pushes, 1 branch in 1 year
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