{ Join the crew! }

Become part of a developer-first workplace where we build fantastic big data products and learn new skills everyday

About us

Our small team consists of experienced product and tech people and is based in Cologne Ehrenfeld, Germany. Currently, we are working on interesting software projects for Big Corporates, SMEs and Startups. Our focus is mostly on all things data. Additionally, we develop our products and companies such as www.apronex.de.

Interested? Send us a casual E-Mail to team@sidestream.dev



We are all in our 20s, but know our stuff

We are focusing on healthy company growth while valuing work-life-balance


We all code and this is deeply rooted in our company DNA - you will be amazed by the value of our Pull Request reviewes

You’ll receive the best equipment and tools that you personally need to flourish


Our focus on learning will bring your professional skills to the next level

You’ll become a more adaptable, versatile and entrepreneurial software engineer. Skills THAT are valued by every employer



You will receive the perks that you want. Public transport, company bike, Urban Sports Membership... you name it.

Perks are not meant to compensate low salary. No sacrifice here.

Open Positions

Full Stack Developer (M/F/D)

Backend Developer (M/F/D)

Frontend Developer (M/F/D)

Entrepreneur in Residence
(Working Student) (M/F/D)

Initiative Application (M/F/D)

Our Office at WeWork

We are based at WeWork Cologne Friesenplatz. Your new workplace includes all WeWork perks like Coffee from a Barista, Pizza once a week and free draft beer every evening.

We are member of exclusive WeWork-Labs You will get in touch with other innovative companies and boost your network. The office is really modern, with enough space for meetings and deep work.


The location around the Friesenplatz is perfect for a lunch together and the classic after-work beer. Also you get access to all WeWork spaces worldwide.

More than Work

Sports and Mobility

We pay for your Urbansports M Membership. This enables you to visit the best Gyms, join the Boulder Planet next door and try new sports such as Martial Arts or Yoga. We also support your mobility needs with a job ticket or a company bicycle.

Events and Fun

We have monthly company activities such as pub crawls, lasertag nights and of course a company carnival party.

Transparent, fast & fair

application process

real life technical challenge (remote)


Day in the Office - get to know the team and dive into a pair programming session


Casual 20 mins phone call to get to know you (cultural fit)


If everything works out, you will receive a concrete offer at the end of the day.


Student or Graduate?

If you are a talented and ambitious student or graduate, sidestream is the perfect place to start your professional life and get your hands on real life software projects. You’ll join a young team and you’ll learn a lot in a short amount of time

Friesenplatz 4

50672 Cologne Germany