I have over 15 years of experience creating and maintaining real web projects, working both independently and in remote teams. I pay attention to detail: writing clean code, optimizing performance, and providing the best user experience. AI is part of my workflow.

Christian Valls Sainz

I have over 15 years of experience creating and maintaining real web projects, working both independently and in remote teams. I pay attention to detail: writing clean code, optimizing performance, and providing the best user experience. AI is part of my workflow.

Available to hire

I have over 15 years of experience creating and maintaining real web projects, working both independently and in remote teams.

I pay attention to detail: writing clean code, optimizing performance, and providing the best user experience. AI is part of my workflow.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert

Language

Spanish; Castilian
Fluent
Catalan; Valencian
Fluent
English
Intermediate

Work Experience

Frontend Developer & Designer at Oficina Técnica
January 1, 2008 - January 1, 2010
Frontend development for a high-traffic website (www.softonic.com); collaboration with design, backend, product and QA teams; focus on performance, compatibility and user experience; code reviews and technical team involvement.
Frontend Developer at Softonic
January 1, 2011 - January 1, 2013
Frontend development for a high-traffic site; collaboration with design, backend, product and QA teams; focus on performance and UX; code reviews.
Senior Web Developer at Freelance
January 1, 2015 - Present
Freelance web projects for various clients; WordPress customization (plugins & themes), performance optimization and UX improvements. Examples: Aventuras Barbudas (WooCommerce + LearnDash); ViaGuia (Elementor + ACF + WPML).

Education

Higher Level Vocational Training Cycle (CFGS) - ASI-DAI at IES Montsià
January 1, 2007 - January 1, 2008
CFGS ASI2 - Computer Systems Administration at IES Montsià
January 1, 2008 - January 1, 2009
CFGS DAI2 - Computer Application Development at IES Montsià
January 1, 2009 - January 1, 2010
3D Video Game Programming - Specialization at CIPSA (Barcelona)
January 1, 2010 - January 1, 2011

Qualifications

Higher Level Vocational Training Cycle (CFGS) - ASI-DAI
January 1, 2007 - January 1, 2008
CFGS ASI2 - Computer Systems Administration
January 1, 2008 - January 1, 2009
CFGS DAI2 - Computer Application Development
January 1, 2009 - January 1, 2010
3D Video Game Programming - Specialization
January 1, 2010 - January 1, 2011

Industry Experience

Software & Internet, Media & Entertainment, Professional Services