Frontend Web Developer

Karlsruhe, Germany

We are searching for a talented front-end / web integrator and is passionate about changing the world of advertising. Adello is a leading European media-buying platform for mobile advertising. Help us match our mobile advertisement engine with powerful and elegant front-ends.


    • Develop and enhance advertising templates to optimally perform on a broad range of mobile devices  
    • Work on building mobile-optimized websites
    • Develop and maintain a range of internal Web-based applications
    • Participate in design and implementation choices
    • Collaborate with end users, business partners, and team peers to capture feedback and refine designs and implementations
    • Remain up to date to web and mobile trends in design and technology


    • Relevant experience and / or degree in computing/Web development
    • Experience with HTML5, CSS3: animation/transition, cross browser compatibility
    • Solid knowledge of Vanilla JavaScript
    • Understanding of the Node.js ecosystem
    • Experience developing mobile-first and responsive design
    • Good to have: Grunt, LessCSS, React, WebPack, WebGL/Three.js
    • Minimum working knowledge of Photoshop and Illustrator.
    • Be able to fully communicate in English
    • An eye for UI/UX and detail
    • Interest in creative technologies (mobile, web)
    • Must be willing to learn new tools and technologies
    • Must be fun to be around!
    • Must have a valid EU work permit

Adello is a leading European media-buying platform for mobile advertising. Adello’s intelligent real-time platform self-optimizes for maximum marketing ROI for both brand and direct response campaigns. It fulfills brand safety requirements and serves industries including telcos, automotive, and consumer goods. Customers include large agency networks such as GroupM and leading mobile SSP’s such as Smaato. The company holds many awards including Gartner’s «Cool Vendor in infrastructure and Big Data for 2012», IAB Switzerland‘s «Digital Marketer of the Year 2013», IFJ‘s «Swiss Top100 Startup Award 2012» and CRN‘s «Big Data 100 for 2012». For more information, please visit: