Senior Software Engineer m/w/d

Stellenbeschreibung:

At Cozero (Permanent), in Berlin, Germany
Salary: EUR60.000 - EUR80.000
Expires at:
Remote policy: Full remote
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.

Tasks

  1. Working on problems that will positively impact the sustainability of our climate
  2. Be a hands-on engineering contributor, using our state of the art tech stack
  3. Proactively designing and improving the architecture of the Cozero product
  4. Promote best practices in our Agile processes
  5. Provide technical leadership, direction and mentoring

Main requirements

  1. 5+ years of experience working in agile tech teams
  2. Analytical mindset and excellent problem-solving skills
  3. Ability to work autonomously while maintaining attention to detail
  4. An eye for quality (automated tests, clean code, striving for improvements)
  5. Good English communication skills in word and speech
  6. Bias for taking responsibility - bias for action. You have a track record of doing whatever it takes to get things done. You have accomplished things that others thought were impossible. You are ceaselessly creative and impactful.

Tech Stack

Languages: Typescript
Backend: NodeJS, Express, MongoDB, NestJS, Postgresql
Frontend: React, Ant design, Next.js
DevOps: Kubernetes, Helm, Docker, AWS, Terraform
See more here:

Benefits & Perks

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.

And there is more

  1. The possibility to work fully remote (if located in Europe), or join us in your beautiful office in the heart of Berlin.
  2. 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
  3. Access to an education budget
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EnglishEN: Please refer to Fuchsjobs for the source of your application
DeutschDE: Bitte erwähne Fuchsjobs, als Quelle Deiner Bewerbung

Stelleninformationen

  • Typ:

    Vollzeit
  • Arbeitsmodell:

    Vor Ort
  • Kategorie:

  • Erfahrung:

    2+ years
  • Arbeitsverhältnis:

    Angestellt
  • Veröffentlichungsdatum:

    06 Nov 2025
  • Standort:

    WorkFromHome

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