Lothar Matthaus Nogueira Barros

LB

Looking for a job

Lothar Matthaus Nogueira Barros

@lotharmatthaus

Senior AI-Driven Product Designer | Ex- Design Manager at @Rappi

What I'm looking for

I’m looking for a team where I can lead product design end-to-end—strategy, research, and AI-first design-to-code—while mentoring others to ship measurable business outcomes with strong design systems and research rigor.

Trilingual Product Designer | Ex- Design Manager at @Rappi | AI-Driven Workflow 15+ years of experience driving business impact at scale. At Rappi, I managed product strategies for 15M+ users; at XP, I optimized experiences for 500k+ investors. 🛠️ AI-Powered: Expert in leveraging Cursor, Claude, and Midjourney to accelerate research and high-fidelity prototyping. 🌍 Trilingual: Fluent in English, Spanish, and Portuguese. 🧠 Strategic Mindset: Bridging Visual Design, Research, and Management

Experience

Work history, roles, and key accomplishments

LM

AI-Driven Product Designer

Lothar Matthaus

15+ years bridging business strategy with high-fidelity product design, including AI-first design-to-code and design-system leadership. Delivered measurable outcomes such as 25% faster decision speed, 90% pilot user satisfaction, 15% lower courier idle time, and 12% AOV growth.

Product & Design AI First Design To Code Design Systems UX Management User Research Usability Testing Product Discovery

Education

Degrees, certifications, and relevant coursework

II

Interaction Design Foundation (IxDF)

Professional coursework (IxDF), User Research & Product Discovery

Completed IxDF learning related to user research strategy, product discovery, and usability testing.

GO

GoFluent

Certification, Design Leadership

Certified by GoFluent; developed design leadership capabilities.

Tech stack

Software and tools used professionally

Maze

Figma

Slack

UserTesting

Typeform

Cursor

Midjourney

Tally

Claude Code

Availability

Looking for a job

Location

Brazil

Authorized to work in

Website

lotharmatthaus.com.br

Portfolio

lotharmatthaus.com.br

Salary expectations

75k-90k USD

Social media

Job categories

Senior Product Designer Product Designer Design Manager User Experience Research Design Systems Sr. Product Designer Senior Staff Product Designer Senior Product Design Senior Product Design Manager Senior UX Designer Senior Product Designer II Senior UX UI Designer

Skills

Product & Design Visual Design Design Systems AI First Design To Code UX Strategy Design Leadership User Research Product Discovery Usability Testing Business Strategy Spanish (Professional Proficiency C1+)Risk Management

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