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Bohdan Benetskyi

@bohdanbenetskyi

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I build scalable .NET backends and production mobile apps used by thousands of users.

Poland

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What I'm looking for

I'm looking to build reliable, scalable end-to-end products, owning backend architecture and mobile delivery while solving complex performance, synchronization, and real-time systems challenges.

I've delivered .NET backend systems and cross-platform mobile apps at Nexio Management, including a white-label eSIM platform powering three branded applications and used by thousands of people.

I build end-to-end solutions across ASP.NET Core APIs, Flutter, .NET MAUI, Xamarin, and native iOS and Android. I improved eSIM app responsiveness by building a middleware/BFF layer that reduced excessive third-party API data, and delivered offline-first delivery software achieving 98% successful sync across roughly 3,000 nightly deliveries.

I've optimized high-load systems handling thousands of operations per second, cut a government app's offline database search from about 90 seconds to 4–5 seconds, and led teams of 5–10 engineers through production delivery, architecture standards, reviews, and mentoring.

Experience

Work history, roles, and key accomplishments

Current

Lead Full-Stack Engineer (.NET Backend & Mobile)

Current

Nexio Management Ltd

Sep 2021 - Present (5 years)

Owned a project with missed deadlines and high bug count, realigned priorities, and shipped critical hotfixes. Built a white-label eSIM platform and multiple mobile apps, designed backend middleware, and led a team of 5-10 engineers.