Welcome to Seven2one!

We are passionate about developing software for a sustainable energy world. We still have a lot of plans and are looking for new people to help us make them a reality. Is the energy transition what you are interested in? And are you up for exciting projects and being part of a great team? Then you’ve come to the right place.

#you: We want to give you an authentic picture of us. Since we embrace an informal, “first-name basis” culture at Seven2one, this also applies to the application process. We therefore encourage you to drop us a friendly e-mail about your interest.

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You’re looking? We’re hiring!

Open positions at Seven2one


Softwareentwickler (m/w/d) Frontend/Web gesucht

Wir entwickeln more than software. Unser Fokus liegt hierbei auf der Entwicklung nachhaltiger Lösungen für die Energiewelt. Dass für die Energiewende alle an einem Strang ziehen müssen, leben und erleben wir jeden Tag. Konkret: Im Arbeiten in interdisziplinären Projektteams. Du kannst bei uns also auf unterschiedlichstes Expertenwissen zurückgreifen und obendrein unterschiedlichste Technologien nutzen. Klingt nach Inspiration und Freiheit? Danach, richtig was voranbringen zu können? Genau! All das und noch mehr, lies einfach hier weiter.

Senior Softwareentwickler / Lead Developer (m/w/d) gesucht

Unsere Arbeit macht den Energiesektor nachhaltiger – und die Welt ein bisschen besser. Wir übernehmen Verantwortung dafür, dass die Technik unserer Kunden funktioniert. Unsere Augen und Herzen sind immer offen für neue Technologien, neue Ideen und andere Perspektiven. Dafür brennen wir gemeinsam, als vielseitiges Team mit verschiedenen Köpfen und Erfahrungshorizonten. Wichtig dabei sind auch erfahrene Senior Entwickler (m/w/d). Wenn du so einer oder eine bist und an einer gesünderen Umwelt arbeiten möchtest, dann solltest du unbedingt weiter lesen.

Werkstudenten (m/w/d) für die Softwareentwicklung

Lust auf einen Werkstudenten-Job, bei dem du aktiv mitarbeitest und auch mitgestalten kannst?
Und das Ganze

  • als Teil eines 5-köpfigen Teams
  • unter Verwendung neuester Technologien
  • mit vielen Möglichkeiten, deine Erfahrungen einzubringen und neue Erfahrungen zu machen?

Senior Software Developer wanted

We are driving the energy transition forward with our ideas, tools and platforms. Because the energy market is highly complex and dynamic, with something new happening nearly every day, we are always doing our work on the cutting edge of technology. On an interdisciplinary basis, with 47 individuals with bright minds and a passion for what they are doing. Perhaps you could also join us in this endeavour soon? We are looking forward to meeting you and getting to know your ideas and expertise! Find out more about us and our job openings here.

You didn’t see the right job for you among the advertised openings? We’re always on the lookout for bright new talent…

Key figures

Our numbers check out


have been with Seven2one for over 5 years


work part-time


have over 12 years of professional experience


receive a childcare allowance


are permanent employees

Working at Seven2one

What makes us tick

We love what we do and we are pursuing a great goal: advancing the energy transition! Over 45 people have found their professional home at Seven2one and are contributing their skills, expertise, experience and their personality each and every day. Our company features an open communication and decision-making culture as well as people who want to change the world for the better. In a nutshell: We are more than teamwork!

What we (also) offer

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Flexible working hours and working time models? Nothing new for us – we’ve been doing things that way for years.

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Working in a modern office or working from home – we are flexible enough to let you decide where you work best.

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You need some time off? Then play your sabbatical card.

Gesundheit Icon

And we’re already thinking about the faraway future today – with a company retirement plan part of our overall package.

Zug Icon

We make sure you stay mobile by helping out with your monthly ticket for the bus and train.

Baby Icon

“We are family” und so beteiligen wir uns mitunter an den Kinderbetreuungskosten.

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Fun and recreation with colleagues at Christmas parties, outings and the like.

Seven2one @Work:


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Get to know your new team

Do you want to know who you will be dealing with in the future? Get to know your new colleagues here.

What our applicants and employees share about us

You can trust what they say!


kununu Top Company 2022
kununu Top Company 2023
yourfirm Top Employer 2022
yourfirm Top Employer 2023

“An engaging atmosphere, common goals and a collaborative work culture!”

“A transparent, honest and professional application process”

“Great benefits and friendly colleagues”

Enough of all that?

Any questions?

Do you have questions about one of the advertised job openings? Do you want to submit an unsolicited application? Or would you like to know more about the application process? Just give me a call or write to me.

Portrait of Caroline Eckert, Seven2one

I look forward to hearing from you!

Caroline Eckert

Specialist Personnel Development and Recruiting