Growth Engineer - Ruby on Rails

  • Tonsser
  • Hybrid (Copenhagen, Berlin, Paris)
  • 08 May, 2024
Full time Computer Science Developer Technology

Job Description

oin the Tonsser Team as a Growth Engineer (Ruby on Rails)

Who We Are

Tonsser, the leading app and platform for youth football, is revolutionizing the football industry. With nearly 2 million football players in 11 countries, we're not just about discovering new talent; we're about building a community that celebrates the joy of football. Our mission? To democratize football by providing equal access to opportunities, empowering players to showcase their skills and connect with global clubs.

Your Role

As a Growth Engineer at Tonsser, you'll be a vital part of our growth team, directly impacting and unlocking our fast-growing football platform. The growth team is a special part of the company focussed on analysing, developing, testing, validating and experimenting with smaller fast paced growth projects.

Your work will directly and quickly impact our goals, and you will be working on a number of different projects, prototyping, validating and refining the ideas from your team. While also contributing to longer term projects contributing to Tonsser's online presence and user acquisition.

Key responsibilities

- Develop, and rigorously test hypotheses to uncover new growth levers that can be scaled.

- Dive deep into user behavior analytics to pinpoint growth opportunities

- Conduct A/B testing and other experimental initiatives.

- Foster cross-functional collaboration to achieve key business objectives effectively


- Strong in Ruby on Rails and partly some frontend and SQL

- Strong analytical skills and comfort with data-driven decision-making

- Innovative and creative thinker with a hypothesis-driven approach to problem-solving

- Comfortable with Analytics tools and Excel.

- Ability to analyze user data

- Strong attention to detail and ability to balance multiple projects and deadlines

- Thrives in a fast-paced environment

- Curious by nature and a fast learner

What We Expect

We are looking for someone who is versatile, able to prototypeideate, build and understand the underlying data, or even ensuring the data exists in the first place.

You should be a team player, ready to share ideas and respect diverse opinions. Your problem-solving skills should lead you to find the best solution for the moment. Your experience is broad, and covers Python, Ruby on Rails, Data scraping manipulation, maybe even some SEO. Keywords being broadversatile and having a curious mindset.

Our Engineering Culture

As part of Tonsser’s growth team, you'll join a group of passionate product enthusiasts. We are creative product builders who love to craft high-quality software using the best tools of the trade. Our environment is one that encourages innovationcreativity, and growth.

Position Details

Role: Growth Engineer (Ruby on Rails)

Salary range: €60K - €68K yearly

Start date: May 2024

About Tonsser

Offices in Paris, Berlin and HQ in Copenhagen

Backed by international investors, top level football players and founders of companies like Spotify,, Peakon, Vivino ...

Being part of Tonsser means you're working on something very exciting: Shaping the future of football. Through technology we've seen a way to impact how new talents can be empowered and discovered; we're changing the game of football by placing the power where it belongs: in the hands of the 265 million performers of the sport. For the football players to be in control, they need their own football identity.

That's why we've built an app empowering football players to showcase their achievements and determine their success.