KOSMA LENAR

Drive Product Success with Senior UX Expertise

Delivering exceptional UX that transforms ideas into user-focused, high-performance products.

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UX & Design Systems Expert

I have been researching and designing products for over 17 years. I have built design teams that have created cutting-edge mar-tech, AI, online and traditional product sales.

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I provide a comprehensive range of design services to meet your every need.

I create user-centered experiences that drive engagement, improve usability, and increase conversions.

Explore

I analyze user behavior to understand their goals and needs. I’ve developed product growth strategies and conducted UX research.

Briefs

Research

Strategy

Persona

User Stories

Design

From prototyping ideas to detailed designs of web, analytical, and mobile applications. I’ve designed for nearly every industry.

Prototyping

User Interface

Mobile Design

User flows

Product Design

UX Design

Build

I know that communication and understanding the app development process are essential. I’ve built Dev+UI teams, enabling me to deliver projects from start to finish.

Design System

Revisions

Storybook

Product Owning

Scrum

Improve

Every product needs to be enhanced and expanded. That’s what the market expects. I’ll help you define strategies, goals, and next steps for growth.

Analyze

Metrics

Improve

Product scores

Selected projects

giq-nomma-webflow

Webflow

Relume

Web Development

GiQ

A custom Webflow website made with Relume, JS and an advanced animation implementation.

design system kosma lenar

Design System

UI Design

Product Ownership

Colloid Design System

The most advanced library of data-driven UI components

giq-nomma-webflow

Web Design

Synerise Changelog & Release notes

A custom Web Design for AI Growth MA Company

Product Design

UX Design

Research

Team Leadership

SALESmanago

Leading the Product Design team at Marketing Automation Product

Product Design

Web Design

UX Design

Beans

Website and Product Design for Coffee Marketplace

Product Design

Design System

UX Design

Team Leadership

Synerise

Design Systems Creation and Product Design
for AI Growth Marketing tool

Webflow

Branding

ProjectPulse

Branding + dedicated product website integrated with Stripe

Figma Showcase

Open our projects in Figma

Driving Results
through Design.
Why Choose Me?

I’m passionate about transforming complex challenges into clear, data-driven design solutions. Having worked across industries, I bring a wealth of experience and an eye for innovation that helps businesses grow.

Empowering Growth with UX

7+ Startups Accelerated

Guided early-stage companies in building scalable, user-centered digital products

nomma webflow agency tworzenie stron www

Certified Webflow Partner and expert in Relume, I ensure every website is custom-crafted to meet modern design and usability standards.

30% Conversion Increase

30%

Achieved significant conversion improvements for clients through optimized UX design.

100% Custom Solutions

100%

Every project is tailored to client needs, with no templates—just personalized design excellence.

50+ Projects Delivered

50+

Successfully completed projects across various industries, consistently meeting client expectations and delivering quality.

The Power of Design Consultancy

I designed for Top Brands from Automotive giants to Tech innovators
SERVICES

My core expertise

From Discovery Phases to Design & Prototyping, we deliver
solutions that boost engagement and business growth.

Design Data

Transform raw data into actionable insights through compelling visualizations.
Done
Expert in crafting data visualizations that uncover hidden patterns and trends.

Analytics Features

Create intuitive dashboards and analytics panels for better decision-making.
Done
Designed analytics features that enhance user engagement and satisfaction for leading marketing automation companies.

Automation Workflows

Create efficient automation workflows tailored to your business needs.
Done
Expertise in designing workflows that increase efficiency and productivity.

AI Integration

Integrate AI with data seamlessly to unlock new potentials.
Done
Proven track record of integrating AI into data-driven designs, resulting in smarter solutions.

UX Metrics

Utilize UX metrics (NPS, CSAT, CES, SUS) to understand and improve user satisfaction.
Done
Proficient in employing UX metrics to measure and boost customer satisfaction.

UI Components

Design user interface components specifically for data and analytics panels.
Done
Specialized in creating UI components that are both functional and aesthetically pleasing.

Personalized Dashboards

Craft personalized dashboards and modules based on provided data.
Done
Successfully developed personalized dashboards that cater to diverse client requirements.

Segmentation Tools

Design segmentation tools with AI predictions and conditional rules.
Done
Expertise in building segmentation tools that drive effective marketing strategies.

Customer Data Platforms

Develop comprehensive customer data platforms with detailed profiles and automation flows.
Done
Created robust data platforms that streamline customer relationship management.

Behavioral Insights

Leverage data analysis to gain profound insights into customer behaviors.
Done
Proficient in analyzing behavioral data to uncover significant customer insights, helping businesses better understand their audience.

Workshops & Interviews

Engage with users to gather valuable insights and feedback for precise design improvements.
Done
Expert in conducting workshops and interviews that reveal user needs and preferences, driving effective design strategies and enhancing user experience.

Complex Design Systems

Design and implement comprehensive systems that integrate advanced analytics and data-driven components.
Done
Specialize in creating intricate design systems that unify various data sources, enhance user interaction, and support scalable growth.

Design Data

Transform raw data into actionable insights through compelling visualizations.
Done
Extensive experience in creating data visualizations that reveal hidden patterns and trends.

Analytics Features

Create intuitive dashboards and analytics panels for better decision-making.
Done
Developed analytics features for top marketing automation companies, enhancing user engagement and satisfaction.

Automation Workflows

Develop efficient automation nodes and workflows customized for your business.

Done
Expertise in designing workflows that increase efficiency and productivity.

AI Integration

Seamlessly connect AI with data to unlock new possibilities.
Done
Proven track record of integrating AI into data-driven designs, resulting in smarter solutions.

UX Metrics

Utilize UX metrics (NPS, CSAT, CES, SUS) to understand and improve user satisfaction.
Done
Proficient in employing UX metrics to measure and boost customer satisfaction.

UI Components

Design user interface components specifically for data and analytics panels.
Done
Specialized in creating UI components that are both functional and aesthetically pleasing.

Personalized Dashboards

Craft personalized dashboards and modules based on provided data.
Done
Successfully developed personalized dashboards that cater to diverse client requirements.

Segmentation Tools

Design segmentation tools with AI predictions and conditional rules.
Done
Expertise in building segmentation tools that drive effective marketing strategies.

Customer Data Platforms

Develop comprehensive customer data platforms with detailed profiles and automation flows.

Done
Created robust data platforms that streamline customer relationship management.

Behavioral Insights

Gain deeper insights into customer behaviors through data analysis.

Done
Extensive experience in analyzing behavioral data to uncover valuable customer insights.

Workshops & Interviews

Conduct workshops and interviews to enhance user satisfaction using behavioral data.
Done
Led numerous workshops and interviews that have driven significant improvements in product design.

Complex Design Systems

Create intricate design systems that incorporate analytics and data-driven components.
Done
Designed comprehensive systems that integrate complex data and analytics modules, ensuring consistency and usability.

Partners's Feedback

As the Head of Product Design at SALESmanago for the past 1.5 years, Kosma has exemplified exceptional leadership and business acumen. His strategic vision has been pivotal in transforming our product design approach, directly contributing to the growth and success of our SaaS offerings.

Piotr Uryga

CTO, SALESmanago

Kosma is a very experienced designer, proficient in both complex system design and rapid prototyping of solutions in collaboration with developers. Highly recommended!

Wojtek Szkutnik

CEO, getbeans.com

Specialization Accross
Data-Driven & Marketing Automation Tools

As a specialist in data-driven design and marketing automation, I have extensive experience with a wide range of industry-leading tools. My expertise ensures that your business can harness the full potential of these platforms to drive growth and enhance performance.

Get in Touch

Let’s talk about how I can help bring your ideas to life. For inquiries, collaborations, or just to say hello, please reach out through any of the following channels.

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For project inquiries or general questions, reach out to me at:

lenar.kosma@gmail.com

Want to discuss your needs directly? Feel free to call:

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Connect on LinkedIn for networking, professional opportunities, and more.

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