[Berlin: Fyber] Lead Developer (Ruby on Rails)

Lead Developer (Ruby on Rails)

Fyber (formerly SponsorPay) is a leading advertising technology company that empowers app developers to execute smart ad monetization strategies across all connected devices through a unified mobile supply side platform.


Fyber reaches over 100 million unique users per month and works with thousands of the world’s leading developers, publishers and advertisers who use the platform to integrate, manage and optimize their mobile ad revenues. Adopted globally by publishers like GREE, Glu Mobile, Zynga, Cie Games, and more, Fyber offers an open approach so that they can easily access hundreds of demand sources and ad networks (i.e. Facebook Audience Network, Google AdMob, Apple iAd, AdColony, InMobi, etc.) In an era when 90% of all apps in the Apple App Store are free, our solutions are crucial for publishers that need a solid mobile advertising strategy to increase their revenue.

For our Berlin office we are currently looking for a Ruby Lead Developer.

Your Role

Our platform deals with huge amounts of data and billions of requests. Each engineering team works with a clear mission in mind, taking accountability for every part of the system from deployment to deciding among themselves whether to work with Scrum or Kanban. The teams are multi-disciplinary and consist of Developers, QA Engineers and Product Managers. As Lead Developer you head one of these Teams.

  • You motivate and develop the members of your team, taking the pulse of the mood of your crew, integrating every new member and challenging them technically to make better engineers out of them
  • Be 100% involved with hands-on coding
  • Facilitate the operations of your team doing either Scrum or Kanban, keeping in check that the team is working like a charm in unison
  • Work closely with the product team to discuss new features and technologies, research technical feasibility of new ideas and actively suggest improvements

Your Skills

  • 5-7 years of experience with web development
  • At least 2 years of experience as Team Lead, Lead Developer and/or Software Architect
  • Top notch Ruby skills. +4 years production development (We mean Ruby, not Rails)
  • Ability to understand and debug large and complex code bases
  • You value software engineering practices and never forget about scalability and reusability when designing code
  • You are fluent in English

Awesome Extras

  • Experience with Apache Kafka
  • Experience with high-traffic apps

What we offer

We believe that the most important aspect of a job is being excited about it, having growth opportunities and working in a team you really like. Aside from all this you will find:

  • An amazing company culture and exposure to partners both domestic and international
  • An incredibly international team with more than 160 passionate people from 30+ countries that challenges you all the time to find the best possible solution
  • An opportunity to shape the development of the mobile advertising ecosystem for years
  • A technical platform that gets 1000s of requests per second and thus, some real interesting challenges
  • A product that is used by 30+ million users a day
  • Competitive remuneration package
  • Fun place to work, located in the heart of one of Europe´s most vibrant capitals

We are looking for passionate, self-driven individuals. Thus we are interested in information/links to any work or projects you have done outside your day job both technical and non-technical. If you are active on sites such as StackOverflow, HackerNews, GitHub or Twitter, please include your username(s) in your application.

Learn more about our development team.

We are looking forward to hearing from you!

Meet our team. Read our blog.

Contact: lukasz.wlodarczyk@fyber.com