Software Architect/Principal Engineer, Front End

Job description

Curious about the technologies powering some of the most visited websites in the world? Build products, ranking in top 35 in Alexa, serve 50 million users daily, operate 2,000 servers and 6 data centers. has become outstanding and market leader in the live streaming industry. is the place where people can connect authentically. is the pioneering innovator in the online spiritual world and has become the world’s biggest live spiritual site.

Wait no longer to see the career that Docler can bring you in Luxembourg or Budapest. Be part of our family, a diverse working environment with over 30 nationalities.


The salary offered for this position is between 102.000 - 180.000 EUR gross per year, depending on your experience and qualifications

With us, you will…

  • Consolidate all MSC frontend development efforts with proven and effective approaches (velocity development)
  • Lead FE refactoring of MSC SPA (PWA) implementation
  • Create a RAD process to increase feature delivery speed
  • Design, develop, and maintain Front-End applications, libraries, and tools
  • Create technical specifications
  • Manage Unit and Integration testing strategies
  • Mentor fellow developers
  • Participate in the research of new technologies and solutions
  • Work closely together with Back-End developers


What we expect from you…

  • 5+ years of experience coding in Vanilla JavaScript with high-availability, high-performance and scalable systems
  • Understand the reason behind best practices (e.g. React function components, hooks, contexts etc.)
  • Understand architectural patterns and their usefulness for browser applications
  • Knowledge about multiple programming paradigms (imperative, functional)
  • Strong knowledge of design patterns
  • Experience with React
  • Solid understanding of the JavaScript ecosystem (Node, NPM)
  • Proficient in TypeScript
  • Understand ServiceWorkers, XP; RDB, NoSQL, GraphQL experience
  • Strong knowledge about programming principles (SOLID)
  • Extensive experience in HTML, CSS3 (flex, grid) and Preprocessors (SASS, LESS)
  • Able to use the Command Line for everyday actions
  • Familiar with Front-end build tools: Webpack, Gulp, Babel
  • Knowledge of Unit Testing and Test-Driven Development
  • Knowledge of RESTful APIs design
  • Basic knowledge of Domain-Driven Design
  • Good documentation skills
  • Good communication skills
  • Upper-intermediate English knowledge (B2) or higher



In return, you will get…

  • Relocation package and possibility of moving assistance by a relocation agency
  • Multicultural team with 30+ nationalities
  • Creative office with chill rooms located in a prestigious area of Kirchberg
  • Private health insurance, meal vouchers, additional holidays based on length of employment, daily fruits, tea, coffee, and vitamins


We are in it for the long haul so your future is safe with us.

We are always on the lookout for fresh talent to join our #doclersquad!


And more benefits...


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