Sergii Kirianov's Posts | ContraPosts by Sergii Kirianov

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Sergii Kirianov

Senior FullStack Engineer building scalable digital products

New to Contra

Sergii is ready for their next project!

Calgary, Canada

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Calgary, Canada

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Pro

Sergii Kirianov

Senior FullStack Engineer building scalable digital products

New to Contra

Sergii is ready for their next project!

Calgary, Canada

Work Posts Services About

Calgary, Canada

Recent Trending

Sergii Kirianov

pro

• Jan 15

I’ve recently wrapped up my role as a Senior Full-Stack / Tech Lead after delivering a full production platform (web, mobile, backend, infra, AI features) from the ground up.

Alongside hands-on development, I led and mentored a small team of developers, owning technical...

Sergii Kirianov

pro

• Nov 18

I finally got tired of maintaining product tours, onboarding flows, and endless “How do I…?” documentation. So I built something better. Introducing AI-powered product tours for Next.js — zero config. You just drop in a component, ask: “How do I update my password?” …and the...

Next.js

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Sergii Kirianov

pro

• Nov 16

❌ Uploading images to AI chat apps sucks. Especially when the image is on your phone… but the chat is on your laptop. Most apps force you into this clunky flow: email image to yourself → download → upload → pray it works. So we thought: Why not remove the friction and make...

pro

• Nov 16

Just shipped a major refresh for Whiz Study — including an interactive AI tutor simulation for SAT/PSAT & AP.

Honestly, I love when landing pages let you actually play with the tech instead of just reading about it - so we built something fun 🤩

What started as a simple question...

Engineering Management Project Management Web Development

pro

• Nov 16

🚀 I just published a new service for full MVP development (Web or Mobile).

If you're a founder with an idea you want to turn into a real, scalable product, this is exactly what I specialize in.

I’ve led the architecture and development of platforms serving 60,000+ users, and I’m...

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Full MVP Development — Web or Mobile App by Sergii Kirianov

Read more about Full MVP Development — Web or Mobile App by Sergii Kirianov on Contra.