Product Lab

Know what to fix.Know what tobuild.

I help founders and product teams identify growth opportunities, improve digital product performance, and turn new ideas into clear, testable product concepts.

Katerina Litvina wearing transparent augmented-reality glasses surrounded by amber product dashboards
Cyprus · Remote
Services

Where can my expertise drive your product forward?

Product Growth & Optimization

I’ll find where your product loses users and help turn those friction points into conversion and retention growth.

Four optical glass growth bars with a luminous golden upward arrow

New Concept & MVP

I’ll turn your idea into a realistic interactive prototype, so you can see, test and sell the product before development.

Three connected transparent product prototype screens with golden-yellow interface elements
Hi-fidelity prototyping

Turn your idea into a product people want.

Bring me your idea, even if it’s still rough. I’ll turn it into a high-fidelity prototype with a strategic product flow built for conversion and growth.

01Shape the idea

Structure the vision, value and key user flows.

02Build the prototype

A realistic, interactive product in 1–2 weeks.

03Test & pitch

Validate with users. Show investors. Align your team.

04Build with confidence

A clear, developer-ready product specification.

Katerina Litvina
Product advisor / K.L.
Growth Product Manager / UI/UX Expert
Katerina Litvina

Product thinking. Business impact.

Hello, my name is Katerina Litvina. I’m a Product Manager with 8+ years in tech and 10+ years in enterprise, combining business analysis, product management and growth expertise.

I know how to look at a product as a whole, find what’s holding it back and turn it into opportunities for growth, better conversion and stronger retention.

I combine product thinking, UX, data and experimentation to make digital products more intuitive, engaging and commercially successful.

Read more
+67% Gross Revenue

through product and growth optimization

+23% Conversion

registration-to-deposit, through user journey improvements

+58% Customer Growth

for a SaaS product

Next leap

Bring the complexity. I’ll give you the clarity.

Tell me where your product is stalling. I’ll tell you where I’d look first.