Marfeel Published: December 27, 2018
    Barcelona, Spain
    Job Type


    Who we are:

    Be part of Marfeel, one of the hottest European start-up companies in the mobile ad-tech world. Named as Wired Magazine’s 2015 Top 100 Startups, Inc.5000 nº 1 Fastest Growing Marketing and Advertising Private Company in Spain in 2017, and 16th out of Europe’s 1000 fastest-growing companies by the Financial Times in 2018. We are recommended at the very top by Google itself for our mobile design solution. Together with our partners we have over 6 billion worldwide readers and over 20 billion page views. Our headquarters are based in sunny Barcelona.

    Certified Google Publishing Partner

    Certified Facebook Instant Articles Official Partner

    If you feel like a JS/Java Full-stack Developer, be part of Marfeel, one of the hottest European start-up companies!

    This is you:

    • You treat your work like a mission, not just a series of tasks

    • You live for iterative development; a day without pushing code makes you sad

    • You’re not afraid to crack open an existing code base and bend it to your will

    • You were born a self-starter; you can take or come up with a high-level idea and run with it until it's done

    • You have lots of stamina and get bored if you've got nothing to do

    • You're eternally curious and hungry for knowledge

    • You're a team player, and know the importance of working with other departments, technical or not, in achieving goals

    • You aren't afraid to get your hands dirty

    • You're experienced in the art of building web products that work at massive scale

    • You're not a programmer, you're a craftsman/craftswoman

    • You love these things: pair-programming, test-driven development, refactoring, collective-code ownership, continuous integration, refactoring

    Main requirements:

    • Can solve technical problems equally well with OO, DOM oriented, or functional JS

    • Ability to create an interface using Java, JavaScript, HTML and CSS

    • Ability to develop server & client side in a end-to-end

    • Solid understanding of the web technology stack (i.e. headers, cookies, cross-domain restrictions, https, caching, optimization opportunities, hardware acceleration, junk and scroll performance, etc.)

    • More than 2 years of experience building software that works at web scale

    • Demonstrable experience with cross-browser JS and CSS development

    • Solid understanding of HTML5 tags (functions and intent)

    • Experience developing web architectures with Java and the Spring framework

    • You have strong experience in REST, Spring IoC, Spring MVC, Spring Data.

    • You are familiar with parallel code execution.

    • You are well versed in clean code and practices such as code by intent.

    • Familiarity with testing libraries like JUnit, Mockito and integration testing


    Nice to have:

    • Experience with RequireJS, SASS and Jasmine

    • ReactJS

    • AngularJS

    • Experience with AdServing

    • Spring Security

    • You have experience with various AWS services and understand the challenges of deploying large applications in the cloud.

    • Deployment technologies

    • Nginx, Tomcat, MongoDB, Quartz

    • Experience with more recent web technologies (i.e. localStorage, geolocation, CSS transitions and transformations)

    • Experience with GoogleAnalytics

    • Experience with AdServing

    • Experience with various AWS services and understand the challenges of deploying large applications in the cloud

    • #perfMatters

    This will be you as part of the Marfeel team:

    • Working on an international, multicultural and talented team and enjoying our sunny terrace.

    • We have more than 27 nationalities so, you will not get lost in translation.

    • Flexible working-time.

    • Free commodities (coffee, tea, juices, etc).

    • Ping-pong, Mario Kart and  foosball tournaments.

    • Free language and yoga classes

    • Team building events!

    • Transport, restaurant and kindergarten tickets.

    • Training, books, all you need to feel the empowerment.

    • And, Referral Bonus if you bring other talented people like you.

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