We’re looking for: Senior Frontend Developer

Permanent position | Frankfurt am Main | Now available

Senior Frontend Developer (f/m/d)

Allow me: Triplesense Reply. We create interactive user, customer and employee experiences on all platforms and devices. We digitize business processes and develop perfectly structured web solutions, convincingly orchestrated services and efficient e-business applications. “Humanizing Digital” is our credo, and as a Senior Frontend Developer you are the interface between design and backend. You implement a given layout with (X)HTML, CSS and JavaScript valid, browser and search engine optimized. You will also work on responsive prototypes and will be jointly responsible for their subsequent integration into TYPO3 and other backend systems

Your assignments:

  • Close cooperation with colleagues from DCommerce, DevOps, BrandExperience and portals
  • Consulting and preparation of technical requirement specifications in cooperation with our customers; planning, conception and estimation of corresponding solutions
  • Idea development for web portals, mobile applications, digital marketing campaigns and social media
  • Implementation of predefined layouts in standard-compliant, low-barrier (X)HTML, CSS and JavaScript
  • Project team member with the following activities:
    • Layout implementation and hybrid mobile webapps/ web portals
    • Support and further development of existing projects
    • Browser and search engine optimization
    • Preparation of documentation
  • Quality assurance, development and adaptation of standards with the team

You bring with you:

  • Passion for excellent code and at the same time a great feel for design
  • Excellent knowledge of (X)HTML and CSS as well as browser optimization
  • Very good knowledge of CSS frameworks, e.g. bootstap or foundation
  • Very good experience with SASS / LESS
  • Very good experience with frontend build and deployment systems such as NPM, Grunt and SASS
  • Versioning with GIT has long been part of your way of working
  • Expert knowledge in JavaScript / Frameworks, especially jQuery, furthermore very good knowledge of vue.js, or Angular. e.g.
  • Several years of experience in the development of barrier-free and mobile websites
  • Experience with mobile technologies and trends
  • Active leadership of team members
  • Development of coding standards and process optimizations

Important to us:

  • High code quality standards (standard-compliant, valid, low-barrier, performant, etc.) for one’s own work and a high degree of responsibility.
  • Cooperative and team-oriented behaviour, as well as open exchange with interdisciplinary teams in flat hierarchies.
  • Confident and sympathetic appearance
  • Very good communication skills, in German and English
  • Fun with active participation, responsibility and the will for proactive further development
  • Good analytical and organizational skills
  • lateral thinking and solution orientation


  • A completed technical university or technical college degree or a comparable education (e.g. as an IT specialist or in application development)
  • At least 4-6 years professional experience in software companies, at best also in the agency environment
  • High interest in current web and mobile trends
  • „Hands on Mentalität“

We offer you:

  • A real professional home with long-term perspectives also on an international level and individual possibilities for further education.
  • The cooperation in a motivated and open team and a lot of creative freedom.
  • Constructive cooperation and openness to new ideas
  • Exciting customers from diverse industries and projects with great potential
  • A great office right on the Main River, next to the EZB Tower and only a few metres from Frankfurt city centre.
  • Many other agency activities, from TS_pick, our internal speaker format, to the weekly running group, an internal group social network, international hackathons and much more.

We invite you to the day of the open beer!

How could we get to know each other better than with a relaxed cold drink after work? Sounds interesting? Then just get in touch with us and we’ll find a suitable day. Also at short notice. Then we’ll bring you a little bit closer to the agency, our daily routine and the exciting tasks on site. And if you like, we can also open a beer for you. 🙂 Yeah, I’m thirsty!

Your new professional home

With over 100 employees in Frankfurt and over 7,600 digital specialists in our international network, the Reply Group, our service spectrum ranges from Brand Experience, Digital Commerce, Web Portals, Internet of Things, User Experience to Business Consulting. We can and want more than just developing technical solutions. Our mission: Humanizing Digital. We design interactions that optimize the customer, user and brand experience. We orchestrate digital communication across all channels and touchpoints. We develop digital ecosystems that bring our customers closer to people. And we tell stories, open conversations, sell products and help make life easier. Our customers include Fresenius Medical Care, thyssenkrupp Elevator, BASF, Vorwerk, GfK, eprimo, TÜV Rheinland and Deutsche Bahn.

Triplesense Reply is one of the digital pioneers and – together with our Reply partner companies – one of the largest digital agencies in Germany .  (BVDW Internetagentur-Ranking mit Reply – Digital Experience: 1. Platz)