Hi, I'm Joonas 👋

UX/UI Designer & Product Designer creating ethical user experiences through rigorous testing and sustainable AI implementation strategies.

📍Helsinki, Finland
🗣️Finnish, English
JR
Availability
Fully Booked

Currently fully booked

About

Versatile and experienced designer skilled in end-to-end UX. From concept and wireframes to clickable prototypes and pixel-perfect interfaces. Proven track record solving complex problems for startups, NGOs, and Fortune 500 companies. Social scientist with strong background in user research and designing hybrid physical-digital experiences. Consistently acknowledged for clear communication, collaboration, and strong cross-functional team skills.

Work Experience

T

The Good Side

UX/UI Consultant & Partner

Sep 2025 - Present

A

AI for Change Foundation

AI Creative Project Lead

Jul 2025 - Present

S

SIQ Basketball

User Experience Lead

Jan 2024 - Present

S

Skinnyfat

UX Designer, Writer, Founder

Dec 2016 - Present

J

Joonas Ranta

Concept & UX Design

Dec 2013 - Dec 2017

H

Helsingin Sanomat

Contributing Writer

Jun 2015 - May 2017

M

Måndag

Content & Concept Designer

May 2015 - Feb 2017

R

RePack

Content Designer

May 2015 - May 2016

Skills

AI Product Design
User Experience Design (UX)
User Interface Design (UI)
Holistic User Interface Design
Service Design
Wireframing
Prototyping
User Research
Content Strategy
Design Thinking

Check out my latest work

I've worked on a variety of projects, from strategic design initiatives to complex product redesigns. Here are a few of my favorites.

Spalding TF DNA
Spalding TF DNA
Leading UX for the world's smartest basketball that counts every shot and tracks shooting metrics. Designed 'shooting coach in your pocket' requiring situation-oriented design and deep understanding of user motivation.
AI Product Design
Sports Technology
User Research
Physical-Digital Integration
Mobile UX
American Market Research
Mandatum Insurance Flows
Mandatum Insurance Flows
User Experience Designer in team designing insurance purchase flows for private and community customers. Co-created component book and interviewed decision makers from large Finnish companies about rewarding policies.
Insurance UX
Component Design
User Research
Enterprise Interviews
B2B Design
Figma
OmaElisa Customer Portal
OmaElisa Customer Portal
Dedicated UX Designer for telecommunication giant's customer self-service and seller portals. Designed for desktop and mobile with weekly A/B testing and comprehensive UX writing in English, Finnish, Swedish.
Telecommunications UX
Self-Service Design
A/B Testing
Multi-language UX Writing
Mobile Design
Growth Hacking
Aimo Park Intranet Platform
Aimo Park Intranet Platform
Designed new employee/landlord intranet solution from scratch for acquired Nordic parking company. Worked as sole designer with 60+ professionals handling GDPR-sensitive data across multiple countries.
Enterprise Intranet
GDPR Compliance
Multi-Country Regulations
Employee Portal
Data Management
B2B Platform