Senior Frontend Developer

Berlin, de on site Until 8/22/2026 First posted March 27, 2025 Last posted March 27, 2025
Job description

Kayzen powers the world’s best mobile marketing teams to take programmatic in-house. Built on the three key pillars of performance, transparency, and control, Kayzen is a software platform which enables leading app developers, agencies and entrepreneurs to run programmatic user acquisition, retargeting and upper funnel campaigns in-house. With engineering teams across Berlin and Bangalore, we work on some of the most complex problems in ad-tech building scalable systems listening to 60bn daily ad requests from 1bn+ unique users worldwide. Kayzen platform is based on sophisticated network of microservices accessible via API and elegant user interface.

Website: www.kayzen.io
Jobs: https://kayzen.io/jobs.html

Console Team

We are looking for a Senior Frontend Developer to join our console team in Berlin, Germany. The person should have expertise in modern frameworks and AngularJS along with knowledge and interest in backend development. You will work closely with our UI/UX specialist to implement an atomic design system while maintaining existing AngularJS applications.

Responsibilities:

  • Develop new user-facing features
  • Build reusable code and libraries for future use
  • Contribute to UI/UX decision-making
  • Take ownership of your features across frontend and backend
  • Keep systems up to date and of top quality
  • Collaborate with other team members including quality assurance engineers and stakeholders

Requirements:

  • 4+ years of experience in the industry
  • Advanced understanding of Web technologies and frameworks
  • Extensive experience in JavaScript
  • Basic understanding of backend technologies

What do we offer?

  • Competitive salary
  • Company-paid tech conference trips
  • MacBook or PC laptop
  • Flexible development process
  • Good feedback culture and constant improvements

 

Interested? Write to us at talent(@)kayzen.io

About this role

Summary

Develop user-facing features, build reusable code, collaborate on UI/UX, maintain AngularJS apps

Job title

Senior Frontend Developer

Experience level

4+ years

Industry

software

Location requirements

Berlin, remote work not specified

Salary

Not specified

Management role

No

Skills & keywords

Required skills

angularjsjavascriptweb technologiesbackend understanding

Preferred skills

None specified

Specializations

frontendangularjsjavascriptui/ux
Locations

Structured locations inferred from the posting.

Berlin, Germany

On-site City