This will hide itself!
HI@KOSTAZANIN.COM
SENIOR PRODUCT DESIGNER
GROWTH & CONVERSION
UI/UX
DATA VISUALIZATION
PRODUCT DESIGN
SaaS
SaaS
DATA VISUALIZATION
PRODUCT DESIGNER
UI/UX


Hey, I'm Kosta, a senior product designer with over 9 years of experience specializing in growth & conversion optimization. I create user-centered solutions for complex FinOps and B2B2C SaaS applications, including desktop and mobile experience, focusing on core domains like financial technology, data visualization, business intelligence, cloud management, and AI/ML tools.
Skilled in breaking down complex concepts and delivering high-quality designs aligned with business goals. Adept at conducting deep user research, formulating growth-driven design strategy, and making data-driven decisions based on qualitative and quantitative data. Proven track record of optimizing conversion funnels for 4M+ users and achieving 85% activation rates with 75% cost reductions.
Selected Works
2019 - 2025
Discover my side projects, hobbies, and archived endeavors in the Playground. This section showcases my creativity and innovation through experimental design concepts, coding projects, and personal interests like photography and sport.
Experience
2013 – 2017
Web & UI/UX Designer
Freelance
2017 – 2019
Middle UI/UX Designer
Kabali, US
2019 – 2023
Product
Designer
Profisea Labs, Israel
2023 – 2025
Senior Product Designer
OpenVPN, US
This will hide itself!
HI@KOSTAZANIN.COM
SENIOR PRODUCT DESIGNER
GROWTH & CONVERSION
UI/UX
DATA VISUALIZATION
PRODUCT DESIGN
SaaS
SaaS
DATA VISUALIZATION
PRODUCT DESIGNER
UI/UX


Hey, I'm Kosta, a senior product designer with over 9 years of experience specializing in growth & conversion optimization. I create user-centered solutions for complex FinOps and B2B2C SaaS applications, including desktop and mobile experience, focusing on core domains like financial technology, data visualization, business intelligence, cloud management, and AI/ML tools.
Skilled in breaking down complex concepts and delivering high-quality designs aligned with business goals. Adept at conducting deep user research, formulating growth-driven design strategy, and making data-driven decisions based on qualitative and quantitative data. Proven track record of optimizing conversion funnels for 4M+ users and achieving 85% activation rates with 75% cost reductions.
Selected Works
2019 - 2025
Discover my side projects, hobbies, and archived endeavors in the Playground. This section showcases my creativity and innovation through experimental design concepts, coding projects, and personal interests like photography and sport.
Experience
2013 – 2017
Web & UI/UX Designer
Freelance
2017-2019
Middle UI/UX Designer
Kabali, US
2019 – 2023
Product
Designer
Profisea Labs, Israel
2023 – 2025
Senior Product Designer
OpenVPN, US
This will hide itself!
HI@KOSTAZANIN.COM
SENIOR PRODUCT DESIGNER
GROWTH & CONVERSION
UI/UX
DATA VISUALIZATION
PRODUCT DESIGN
SaaS
SaaS
DATA VISUALIZATION
PRODUCT DESIGNER
UI/UX


Hey, I'm Kosta, a senior product designer with over 9 years of experience specializing in growth & conversion optimization. I create user-centered solutions for complex FinOps and B2B2C SaaS applications, including desktop and mobile experience, focusing on core domains like financial technology, data visualization, business intelligence, cloud management, and AI/ML tools.
Skilled in breaking down complex concepts and delivering high-quality designs aligned with business goals. Adept at conducting deep user research, formulating growth-driven design strategy, and making data-driven decisions based on qualitative and quantitative data. Proven track record of optimizing conversion funnels for 4M+ users and achieving 85% activation rates with 75% cost reductions.
Selected Works
2019 - 2025
Discover my side projects, hobbies, and archived endeavors in the Playground. This section showcases my creativity and innovation through experimental design concepts, coding projects, and personal interests like photography and sport.
Experience
2013 – 2017
Web & UI/UX Designer
Freelance
2017 – 2019
Middle UI/UX Designer
Kabali, US
2019 – 2023
Product
Designer
Profisea Labs, Israel
2023 – 2025
Senior Product Designer
OpenVPN, US