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Hi, I’m Diana Costa — a UX researcher and freelance illustrator with a neuroscience background. I bring a scientific mindset to user experience by combining analytical rigour with empathy to uncover user needs and translate them into insights. My work focuses on delivering data-driven improvements to products through usability studies. I thrive in cross-functional teams and am passionate about making technology more intuitive, inclusive, and user-centered.…Hi, I’m Diana Costa — a UX researcher and freelance illustrator with a neuroscience background. I bring a scientific mindset to user experience by combining analytical rigour with empathy to uncover user needs and translate them into insights. My work focuses on delivering data-driven improvements to products through usability studies. I thrive in cross-functional teams and am passionate about making technology more intuitive, inclusive, and user-centered.

Diana Costa

Graphic Designer, Illustrator, UX Designer, +2

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Hi, I’m Diana Costa — a UX researcher and freelance illustrator with a neuroscience background. I bring a scientific mindset to user experience by combining analytical rigour with empathy to uncover user needs and translate them into insights. My work focuses on delivering data-driven improvements to products through usability studies. I thrive in cross-functional teams and am passionate about making technology more intuitive, inclusive, and user-centered.…Hi, I’m Diana Costa — a UX researcher and freelance illustrator with a neuroscience background. I bring a scientific mindset to user experience by combining analytical rigour with empathy to uncover user needs and translate them into insights. My work focuses on delivering data-driven improvements to products through usability studies. I thrive in cross-functional teams and am passionate about making technology more intuitive, inclusive, and user-centered.

Available to hire

Hi, I’m Diana Costa — a UX researcher and freelance illustrator with a neuroscience background. I bring a scientific mindset to user experience by combining analytical rigour with empathy to uncover user needs and translate them into insights.

My work focuses on delivering data-driven improvements to products through usability studies. I thrive in cross-functional teams and am passionate about making technology more intuitive, inclusive, and user-centered.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

Portuguese

Fluent

English

Advanced

Spanish; Castilian

Advanced

Work Experience

UX Researcher at MEO

January 1, 2023 - Present

Lead and execute UX research for digital products across TV, mobile, and web platforms. Plan and conduct usability tests, interviews, diary studies, and surveys with internal and external users. Collaborate closely with designers, PMs, and engineers to support design. Analyze call center feedback to identify usability issues and prioritize improvements. Advocate for human-centered design culture within teams.

Freelance Illustrator & Graphic Designer

January 1, 2022 - Present

Illustration and design services for both scientific and independent projects. Collaborate with research teams to create scientific figures, diagrams, and visuals for academic publications and presentations. Design branding materials, promotional content and websites.

Graphic Designer at Mammy & Me

November 30, 2021 - July 29, 2025

Designed illustrations and educational content for social media, as well as print and digital materials including booklets, flyers, and product packaging.

Researcher - PhD Student at Instituto de Neurociencias de Alicante / Universidad Miguel Hernández

July 31, 2022 - July 29, 2025

Developed an automated setup to study pro-social behaviour in rats, strengthened skills in quantitative analysis and published as first author. Conceptual thinking and Experimental design. Data Analysis (Quantitative: Excel, Python, SPSS). Data Visualisation (Python, GraphPad Prism, Illustrator). Supervised Master's and PhD Students. Oral and poster presentations in national and international conferences and workshops. Organised activities and workshops for PhD Students.

Researcher / PhD Student at Institute of Neurosciences of Alicante (INEB) / University of Alicante

January 1, 2016 - July 31, 2022

Conceptual thinking and experimental design; data analysis (Excel, Python, SPSS); data visualization (Python, GraphPad Prism, Illustrator); supervised Master and PhD students; oral and poster presentations at national and international conferences and workshops; organized activities for PhD students.

Freelance Illustrator & Graphic Designer at Self-employed

January 1, 2022 - Present

Illustration and design services for scientific and independent projects; collaboration with research teams to create scientific figures, diagrams, and visuals for academic publications and presentations; design branding materials, promotional content, and websites.