Senior HTML and Javascript Frontend Developer

Rotterdam, Netherlands
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Senior HTML and Javascript Frontend Developer

As a Senior HTML and Javascript Developer

  • You are experienced in developing premium HTML5 third party apps/solutions;
  • You are experienced in developing complex Javascript applications/solutions;
  • You will work closely together with the software development engineers of our partners to get apps onboarded on SetTop Boxes of our customers;
  • You are experienced in resolving integration issues;
  • You work in a diverse platform and app development team;
  • You are able to indentify solutions behind the issue;
  • Will provide your own creative solutions or you will work on the client’s specific wishes.
  • Will work in conjunction with the Director SW development.
  • Know your stuff - be enthusiastic learners, users and advocates of our game-changing technology, products and services, especially our digital tools and experiences.
  • Respect and promote inclusion & diversity.

The result of your work? The apps Integrated by yourself, in close cooperation with engineering teams of our app partners, are used daily, worldwide, in the TV App Stores of, among others, Comcast, Liberty Global (Ziggo/UPC), Vodafone, Fetch and KPN. Furthermore you will also analyse any difficult app integration issue and support in the communication of issues to other technical teams.

Core responsibilities 

  • As part of your job you will integrate complex (international) TV apps (Redbull, Spotify, NFL, Disney, …);
  • You have knowledge of debugging and resolving software issues in third party HTML5 apps/solutions;
  • In cooperation with the Project manager you are responsible in liaising with the technical teams of third parties to ensure a clear statement of work is in place
  • You advise and review in defining the app development tooling and environment;
  • You are a hands on senior HTML and Javascript developer and capable in integration and development of  complex  apps for TV applications.
  • You own the customer experience - think and act in ways that put our customers first, give them seamless digital options at every touchpoint, and make them promoters of our products and services.

Job Specification

  • Bachelor’s or master’s degree in computer sciences or related technical area or proved related technical experience;
  • Experienced with the entire software development process (must);
  • At least 5 years of experience with HTML5 (must);
  • At least 5 years of experience with JavaScript ES5/ES6 (must);
  • Experience developing in a resource constrained environment (e.g. limited memory, GPU, CPU) (must);
  • Experienced with Canvas/WebGL based applications and SDK is a plus;
  • You are very communicative and love to technically guide partners and colleagues;
  • Experienced in NodeJS (advantage);
  • Excellent command of the English language, in word and in writing;
  • You show initiative, are pro-active and show creativity;
  • Strong analytical and problem solving skills;
  • Know your stuff - be enthusiastic learners, users and advocates of our game-changing technology, products and services, especially our digital tools and experiences;
  • Respect and promote inclusion & diversity.


We offer you a dynamic role in an environment with a promising future, where there is room for individual and professional growth. You will get a working spot in an inspiring environment with the latest equipment, so you can get the most out of yourself and the job.

Besides a good salary (depending on knowledge and experience) you will get a laptop and mobile. Metrological is so rapidly growing that there are virtually unlimited career opportunities.

Who we are

Since 2005 we have been building an innovative cloud based TV Application Platform for TV operators to give their customers access to the latest and most popular series, films, music and more. With the complete product suite, consisting of the TV App Store, App Manager, Dashboard and App Library, TV operators are able to launch, operate and monetise their own branded TV App Store. We are a market leader in the industry, with a broad portfolio of international customers that includes many of the largest media companies and operators in the world such as Vodafone, Liberty Global, KPN, NOS, Turkcell and beIN, offering content owners a reach of millions of TV viewers worldwide.

From our offices in Rotterdam, Wroclaw and Silicon Valley we are working with a dedicated team of ambitious colleagues on innovations in the field of technology and entertainment every day. We are expanding rapidly and are looking for enthusiastic, talented and creative colleagues who want to grow along with us.

Apply now