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Freelance software developer with 13 years of professional experience, specialising in web development, mobile apps, and interactive digital products for research, education, and health. I hold a PhD in cognitive psychology, which gives me a research-informed perspective on UX, accessibility, and user engagement, particularly for young audiences and mental health applications. At the University of Sussex, I lead an award-winning software team in the Department of Psychology, where I've delivered 60+ projects including e-learning platforms, gamified apps for children, online mental health interventions, and large-scale interactive experiences (one reaching 33,780 participants across 133 countries). I also take on freelance contracts, with international clients across the UK, Japan, France, Germany, and Italy. Tech stack: PHP/Laravel, JavaScript/TypeScript, React, React Native, Vue.js, Python/FastAPI, Swift (iOS), Unity3D/C#, PostgreSQL, MySQL, and Linux server administration. Portfolio: _Website not available. Sign in: https://www.twine.net/signup_…Freelance software developer with 13 years of professional experience, specialising in web development, mobile apps, and interactive digital products for research, education, and health. I hold a PhD in cognitive psychology, which gives me a research-informed perspective on UX, accessibility, and user engagement, particularly for young audiences and mental health applications. At the University of Sussex, I lead an award-winning software team in the Department of Psychology, where I've delivered 60+ projects including e-learning platforms, gamified apps for children, online mental health interventions, and large-scale interactive experiences (one reaching 33,780 participants across 133 countries). I also take on freelance contracts, with international clients across the UK, Japan, France, Germany, and Italy. Tech stack: PHP/Laravel, JavaScript/TypeScript, React, React Native, Vue.js, Python/FastAPI, Swift (iOS), Unity3D/C#, PostgreSQL, MySQL, and Linux server administration. Portfolio: _Website not available. Sign in: https://www.twine.net/signup_

James Alvarez

Web Developer, App Developer, UX Designer, +2

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Freelance software developer with 13 years of professional experience, specialising in web development, mobile apps, and interactive digital products for research, education, and health. I hold a PhD in cognitive psychology, which gives me a research-informed perspective on UX, accessibility, and user engagement, particularly for young audiences and mental health applications. At the University of Sussex, I lead an award-winning software team in the Department of Psychology, where I've delivered 60+ projects including e-learning platforms, gamified apps for children, online mental health interventions, and large-scale interactive experiences (one reaching 33,780 participants across 133 countries). I also take on freelance contracts, with international clients across the UK, Japan, France, Germany, and Italy. Tech stack: PHP/Laravel, JavaScript/TypeScript, React, React Native, Vue.js, Python/FastAPI, Swift (iOS), Unity3D/C#, PostgreSQL, MySQL, and Linux server administration. Portfolio: _Website not available. Sign in: https://www.twine.net/signup_…Freelance software developer with 13 years of professional experience, specialising in web development, mobile apps, and interactive digital products for research, education, and health. I hold a PhD in cognitive psychology, which gives me a research-informed perspective on UX, accessibility, and user engagement, particularly for young audiences and mental health applications. At the University of Sussex, I lead an award-winning software team in the Department of Psychology, where I've delivered 60+ projects including e-learning platforms, gamified apps for children, online mental health interventions, and large-scale interactive experiences (one reaching 33,780 participants across 133 countries). I also take on freelance contracts, with international clients across the UK, Japan, France, Germany, and Italy. Tech stack: PHP/Laravel, JavaScript/TypeScript, React, React Native, Vue.js, Python/FastAPI, Swift (iOS), Unity3D/C#, PostgreSQL, MySQL, and Linux server administration. Portfolio: _Website not available. Sign in: https://www.twine.net/signup_

Available to hire

Freelance software developer with 13 years of professional experience, specialising in web development, mobile apps, and interactive digital products for research, education, and health.

I hold a PhD in cognitive psychology, which gives me a research-informed perspective on UX, accessibility, and user engagement, particularly for young audiences and mental health applications.

At the University of Sussex, I lead an award-winning software team in the Department of Psychology, where I’ve delivered 60+ projects including e-learning platforms, gamified apps for children, online mental health interventions, and large-scale interactive experiences (one reaching 33,780 participants across 133 countries).

I also take on freelance contracts, with international clients across the UK, Japan, France, Germany, and Italy.

Tech stack: PHP/Laravel, JavaScript/TypeScript, React, React Native, Vue.js, Python/FastAPI, Swift (iOS), Unity3D/C#, PostgreSQL, MySQL, and Linux server administration.

Portfolio: Website not available. Sign in: https://www.twine.net/signup

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

German

Intermediate

Work Experience

Senior Web Developer at University of Sussex

January 1, 2015 - Present

Lead developer in the Department of Psychology, building software for research, education and mental health. 60+ projects delivered including web apps, mobile apps, interactive experiments and data platforms. Set up in-house software team, coding mentorship program, and UX design workshops. Winner of British Psychology Society technical support award.

Freelance Developer at Self-employed

January 1, 2014 - Present

Freelance web and app development for international clients across UK, Japan, France, Germany and Italy. Projects include React dashboards, Laravel web apps, iOS/Android apps, Unity3D interactive experiences, and bespoke research software. £340k in revenue generated.

Education

PhD Cognitive Psychology at University of Surrey

September 1, 2009 - June 1, 2012

An investigation of the influence of language on colour perception. Methods: Statistics, EEG, Colorimetry, Psychophysics.

MSc Psychological Research Methods (Merit) at University of Exeter

September 1, 2007 - June 1, 2008

BSc (Hons.) Psychology (2.1) at University of Nottingham

September 1, 2003 - June 1, 2006

Qualifications

British Psychology Society Technical Support Award

January 1, 2023 - January 1, 2023

Winner of the BPS award for technical support for psychological research, recognising the software team at the University of Sussex Department of Psychology.