Felix Pablo Rigau Chiang
@felixrigau
Senior software engineer and technical co-founder specializing in product-focused, AI-informed development.
SpainWhat I'm looking for
I am a senior software engineer and technical co-founder with 10+ years building end-to-end products for startups and enterprises, focusing on pragmatic validation, risk reduction, and leveraging AI to optimize time and costs.
At a seed-stage startup I architected and built a GDPR-compliant mobile app with React Native, Expo and Supabase, maintained <1% daily error rates across 300+ MAU, and managed releases to the App Store and Play Store while collaborating closely with legal and product stakeholders.
Previously I led frontend architecture and cross-team initiatives at a major digital banking platform, applying Hexagonal Architecture and DDD, reducing development lead time by ~50%, mentoring engineers, and driving reusable modules and code-quality standards.
Experience
Work history, roles, and key accomplishments
CTO & Technical Founder
PRAYFY
Jan 2024 - Present (2 years 5 months)
Architected and built the complete GDPR-compliant mobile application using React Native, Expo and Supabase, achieving <1% daily error rate across 300+ MAU and 3,000+ installs while managing store releases and authentication flows.
Senior Frontend Engineer
Openbank
Jan 2019 - Jan 2025 (6 years)
Led frontend architecture and cross-team initiatives for Openbank's digital banking platform, rebuilding core product pages to reduce development lead time by ~50% and establishing reusable modules and code quality standards.
Frontend Engineer
eCertic
Jan 2018 - Jan 2019 (1 year)
Developed a character recognition and biometric onboarding single-page application, contributing to frontend implementation and UX integration for secure identity flows.
Frontend Engineer
Kelisto
Jan 2017 - Jan 2018 (1 year)
Built and maintained frontend features for Kelisto's consumer-facing web properties, focusing on performance and modular UI components.
Frontend Engineer
Ingenius
Jan 2013 - Jan 2016 (3 years)
Delivered frontend implementations for web projects, collaborating with cross-functional teams to translate requirements into reliable user interfaces.
Education
Degrees, certifications, and relevant coursework
CUJAE
Bachelor of Software Engineering, Software Engineering
Completed a Bachelor of Software Engineering at CUJAE, graduating in 2013.
Tech stack
Software and tools used professionally
Availability
Location
SpainAuthorized to work in
Social media
Job categories
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