Profileimage by David Valin Frontend developer from Amsterdam

David Valin


Last update: 15.02.2017

Frontend developer

Company: howerest B.V.
Graduation: not provided
Hourly-/Daily rates: show
Languages: English (Full Professional) | Spanish (Native or Bilingual)




I have participated in large projects since 2008. I can count 34 assignments I have participated in so far. Do you have a project? Book me

- Freelance - 

Resume at

Frontend development
I develop web UIs (translating designs into code). I normally do it in Angular.js (1 and 2), I create UI prototypes in Omnigaffle or in a napkin, I code in Typescript 2, Javascript (ES5/ES6) and many javascript libraries, HTML5, CSS3, I use npm, gulp, grunt, jasmine, mocha, karma, protractor, selenium (nightwatch)... I can learn new libraries in few days, or hours, and I do it often. I have worked with many libraries, frameworks, workflows, teams, and for small, medium and big companies. I have designed and implemented the frontend for around +17 web applications and websites myself and I participated in several others.

Backend development
I design and implement databases (mysql, postgres, mongo) and models based on business requirements, I design and implement RESTful APIs or websocket APIs, I autogenerate API code documentation, I write API tests... I have designed and implemented the backend for around +17 web applications and websites myself.

I manage software (architecture, workflows, code and design). I can also help you by training developers, building SDKs in different languages, building documented-restful-http APIs, design all software layers of a large distributed application, the business aspects in an IT project, processing, openframeworks. I optimize websites for SEO. I have done all this since since 2008. Ask me for details.

You can hire me as:

1. Frontend developer
2. Frontend architect
3. Frontend consultant
3. (automated) web UI tester
4. (automated) http API tester
5. Data architect (DBs and models)
6. IT consultant
7. Distributed platform architect
8. IT project manager

Project history

I had the pleasure of working with David Valin at Rabobank, collaborating on a very special project.
I was impressed with David’s ability to focus until work is done, He is great in dealing with difficult situations and a fantastic problem solver.
David would be a true asset for any positions requiring Front-end skills and comes with my heartfelt recommendation.
Shlomo Ovadia, Senior Tridion 2009 and J2EE developer

David is a hard-working smart developer cum architect cum consultant for the Front End technologies. He can help the big corporates achieve speed and scalability of a startup with his skills and knowledge of end-to-end web application engineering
Ajay Chandravadiya, Tata Consulting Services ( TCS )

David is a very creative and proactive developer who's contagious enthusiasm helped bring our application to a new level.
Niels Baarsma - CTO - Co-Founder, Yieldr

David and I worked together for more then 1 year. His contagious enthusiasm and good mood are a very nice addition to any development team,
that in combination with his commitment to full-fill a small task or very big assignment make him a very productive developer. Given the opportunity
I would definitely would like to work with David again.
Joris Spermon - VP Development, Yieldr

David Valín works with the most advanced technical knowledge and the seriousness of formality of a law firm. I would define him as a professional capable and auto-exigent which you like working with.
Carlos CesterosLonver

Sobriety and professionalism in addressing the projects, and resolution for developing the entrusted facet.
Alejando LosadaFestival Ho!

Each time we make a project with David, is an enriching experience. It has never been limited to give a timely solution to the problem is posed, but it makes its point of view and their knowledge and experience to improve or make better use the project that is being addressed.
A professional like few in this highly competitive area.
Carlos Portomeñe, A-Porta Innovaciones S.L.

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