Code with purpose, join Cozero.

Cozero is a Berlin-based ClimateTech startup that transforms every company into a low-emission business. Our SaaS platform offers a fully digital end-to-end Carbon Action Platform (CAP) to track, forecast, and manage corporate emission data and most effectively match them to low-emission solutions on the market to reduce their carbon footprint. Based on our platform, carbon reduction becomes actionable. Become part of a ClimateTech startup empowering companies to master their path to carbon neutrality. Together, we reduce a major share of global carbon emissions and turn around climate change.

We are the receivers of the German Sustainability Award for 2022 (Deutscher Nachhaltigkeitspreis). You too can be part of this!


  • Inspire, lead and grow a team of 4-6 engineers with regular 1-on-1s, mentoring, and career guidance
  • Collaborate with product managers and engineers to influence product strategy and continuously improve processes on how we build our product
  • Nurture a healthy team culture and make sure the team is motivated and able to achieve company goals
  • Contribute as an engineer and tech lead of the team: lead technical discussions, review others’ code, etc.
  • Participate in attracting, retaining, and developing talent across the Cozero Engineering organization
  • Manage dependencies and expectations, build trust with all stakeholders, and deliver on commitments
  • Report directly to the CTO of Cozero and work closely to establish the priorities and roadmap of the Cozero Engineering organization
  • Create a pleasant onboarding of new developers and participate in creating a remote-friendly environment
  • Establish and nurture processes that help developers be productive and autonomous


  • Proven leadership skills with engineering teams within an international, agile environment
  • 5+ years of experience developing and releasing software in an Agile environment
  • You are passionate about climate-related topics and thrive to lead a sustainable lifestyle
  • You have a healthy approach to giving and receiving actionable, constructive feedback
  • You care about keeping things simple
  • You are positive, hardworking, and great to work with!


Working at an early-stage and fast-paced startup such as Cozero means that all your contributions will have a direct impact on the product and by extension on lowering the carbon emissions of companies.

As an early hire of the company, you will also be able to grow together with us and be a very influential part of the company. We are an open-minded team that works closely together in a non-hierarchical manner.

You would join us in our beautiful office in the heart of Berlin, and we offer the possibility of working remotely.

And there is more...

  • Joining a dynamic environment that is driven by our core values - Candor, Commitment, Clarity, Collaboration, and Creativity - being driven by impact and highly motivated to make a change for the better
  • Participation in the success of the company by having access to a VSOP share plan
  • You can join us in our beautiful office in the heart of Berlin or you can work remotely if you are based in Europe. Regular team events and 1-2 offsite events p.a. (summer event & Cozero's closing of the year)
  • Being an elementary part of one of the fastest-growing ClimateTech startups in Europe, with critical responsibility and influence on product and overall venture development

What does the interview process look like?

The process follows the same procedure for every candidate: getting to know team members through three to four conversations about Cozero, your experience, and your interests. As part of the process, we usually run through a skills screening (e.g. a coding challenge for a developer, a case challenge for a carbon accounting expert, and a portfolio discussion for a designer). A final reference call with a former colleague/manager of yours gives additional insight into your needs and wishes that we aim to factor in for your personal development plan. We emphasize transparency and the absence of surprise throughout the process.

Kick it off!

We are psyched about getting to know you - send us your CV and a short cover letter for the possibility of joining the Cozero team and shaping the future of digital corporate carbon management!

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