Hola, I'm Sofi
 
Product Designer based in Berlin.
 
I design with empathy, curiosity, and a planet-first mindset.
 
Human-centered design that sparks positive change

3+

Years of experience

40+

Satisfied clients

100+

Projects delivered

Transform your business identity through expert branding strategies

Elevate your brand’s presence with tailored solutions that resonate with your brand

01

Unlock innovative web solutions with cutting-edge development

Our team crafts seamless digital experiences to drive results and business growth

02

Design intuitive user interfaces for exceptional user experiences

We create user-centered designs that enhance engagement and usability

03
get started

Selected Work

Availability Calendar

2025

Introduced a yearly availability calendar to help landlords visualise bookings, blocked periods, and rules—leading to more accurate listings and faster setup.

View Project

Verification Page

2024

Redesigned a fragmented identity verification process into a single, guided flow with AI-powered checks, cutting completion time by 60% and boosting user trust.

View Project

Mailing Design Modules

2024

Built a modular, brand-aligned email design system that reduced campaign creation time by 40% and ensured visual consistency across communications.

View Project

Refugee Flow

2023

Created a fast, empathetic onboarding flow during the Ukraine crisis to match refugees with housing quickly, while respecting complex legal restrictions.

View Project

Voices of satisfaction and success

We take pride in building lasting partnerships and delivering solutions that exceed expectations.

The design prowess of Sandbox is truly remarkable. Their ability to translate abstract concepts into visually stunning representations is nothing short of exceptional
Alex Johnson
CTO at TechInnovate
They are a creative force to reckon with. Their innovative ideas and exceptional design sense set them apart in the industry
Michael Lee
Customer Experience Lead
Their comprehensive understanding of our brand's essence and target market helped us define and refine our identity.
John Thompson
IT Director at SecureNet Solutions
Their ability to translate abstract concepts into visually stunning representations is nothing short of exceptional
James Wilson
Operations Manager

About

About

Hi! I’m Sofi, a product & brand designer with 6+ years of experience crafting intuitive, human-centered experiences.

I combine empathy, curiosity, and technical skill to create solutions that feel easy to use. I’m passionate about sustainability and believe design can drive positive change, whether rethinking a product’s impact or shaping a brand story with care.

Work Experience

Wunderflats | Product Designer (2022 - Present)

Designing end-to-end features for a housing platform, from research and prototyping to testing and iteration. Collaborate closely with PMs and engineers to improve onboarding, booking flows, and small features, guided by user insights, data, and accessibility principles.

Marketing Agency | Digital & Web Designer (2019 - 2021)

Created web and brand experiences from concept to launch, focusing on rebranding, content strategies, and social media design. Delivered both digital and print work, including UI design, editorial layouts, and marketing materials, guided by user research and marketing goals.

Study

UX/UI Career

Coderhouse | 2020

Design & Visual Communication

UNLa - Buenos Aires | 2012 - 2017

Expertise

Skills

UX/UI Design · Design System · Product Thinking · Branding · Understanding of HTML/CSS/Javascript principles · Data-driven design · User Research

Softwares I use

Figma · Hotjar · Webflow · Jira · Adobe · Relume · Lovable · Notion

Work Experience

Wunderflats | Product Designer (2022 - Present)

Designing end-to-end features for a housing platform, from research and prototyping to testing and iteration. Collaborate closely with PMs and engineers to improve onboarding, booking flows, and small features, guided by user insights, data, and accessibility principles.

Marketing Agency | Digital & Web Designer (2019 - 2021)

Created web and brand experiences from concept to launch, focusing on rebranding, content strategies, and social media design. Delivered both digital and print work, including UI design, editorial layouts, and marketing materials, guided by user research and marketing goals.

Study

UX/UI Career (2020)

Specialized training in user experience and interface design, covering research methods, prototyping, usability testing, and iterative design processes to create intuitive, user-centered solutions.

Degree in Design & Visual Communication (2012 - 2017)

A graphic design–oriented program with a strong foundation in visual storytelling, branding, editorial layouts, and print production. It honed my eye for detail and craftsmanship, skills I now bring into the digital space.

Skills

UX/UI Design · Design System · Product Thinking · Branding · Understanding of HTML/CSS/Javascript principles · Data-driven design · User Research

Softwares I use

Figma · Hotjar · Webflow · Jira · Adobe · Relume · Lovable · Notion