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Cozero
Principal Engineer (mfd) Remote in DEUKPTCozero • Berlin, Berlin, Germany
Principal Engineer (mfd) Remote in DEUKPT

Principal Engineer (mfd) Remote in DEUKPT

Cozero • Berlin, Berlin, Germany
Vor 30+ Tagen
Anstellungsart
  • Homeoffice
Stellenbeschreibung

About us - Join our mission to fight climate change

Do you want to be part of one of Europes fastest-growing climate tech startups We are looking for a Principal Engineer who can own our codebase quality and partner with our Head of Engineering in ensuring a purpose-fit architecture across our platform.

In this unique role youll be the most senior IC on our engineering team partnering with our Head of Engineering to drive the most impactful technical initiatives of 2026 and raise our bar from works most of the time to finance-grade reliability. Cozeros platform turns enterprise activity data into auditable CO2 numbers - and the technical complexity is growing faster than the team.

If youre excited about building an economy where every company creates an impact for a sustainable world and empowering companies to decarbonize and boost their business performance wed love to hear from you!

We are open to hiring fully remotely for this role but require you to be located in one of the following countries: Germany United Kingdom or Portugal.

What youll do:

  • Own the technical architecture of a data platform (NestJS Aurora PostgreSQL SQS Lambda and drive its evolution toward reliability and scale.

  • Lead cross-cutting technical initiatives from design through production release observability and long-term maintainability.

  • Set engineering standards through tech doc reviews architectural decisions and reusable patterns that raise quality without slowing delivery.

  • Act as the technical tiebreaker across the team - resolve cross-domain disagreements with clarity data and written proposals.

  • Mentor engineers distribute knowledge intentionally and build the kind of engineering culture where a small team punches above its weight.

Youll thrive in this role if you:

  • Bring 10 years in Software engineering and 3 years in a Staff/Principal IC role.

  • Have led technical direction across a team of 5-15 engineers without being the manager - through RFCs prototypes and earning trust.

  • Think in end-to-end systems - you can trace a data quality issue from a customer-facing report back through the analytics layer processing pipeline queue and ingestion point.

  • Have shipped a major system rewrite or migration incrementally - feature flags phased rollouts - in a system where correctness matters as much as uptime.

  • Are fluent in TypeScript/ and comfortable with AWS (ECS Lambda SQS Aurora).

  • Are experienced with queue-based architectures (SQS FIFO Kafka) at scale.

  • Have a DevOps mindset - you own what you build from technical design to deployment monitoring and operational health.

  • Care about observability as a discipline - SLOs dashboards runbooks post-mortems that become preventive guardrails

  • Are great at written communication - clear tradeoff framing that other engineers actually read and reference.

Nice to have:

  • Familiarity with analytics layers ( Snowflake CDC pipelines)

  • Climate tech carbon accounting or compliance-grade data systems

  • Series A/B startup experience

Why Join Cozero

  • Real impact - Your work directly reduces carbon emissions at scale. Not theoretical actual tons of CO2.

  • Right timing - Series A funded (6.5M from Kvanted and ENV) growing fast working with enterprise customers who trust us with their decarbonization journey.

  • Exceptional team - Work directly with our founders Helen Fabian and Tiago. Multicultural collaborative and actually passionate about climate actionnot just talking about it.

  • Youll grow fast - Flat hierarchy. Your ideas ship. Direct impact on product and strategy.

Where Youll Work

Fully remote within Germany Portugal or the UK.

Benefits

  • 27 vacation days 1 day life event leave (Wedding Birth of child etc.) national holidays (Depends on location)

  • 500 EUR annual learning and development budget

  • 500 EUR one-time home office setup

  • 100 EUR monthly coworking budget (for those outside Berlin headquarters)

  • VSOP (Virtual Stock Options) - share in Cozeros success

  • Regular team events every year

Were committed to building diverse teams and creating an inclusive workplace. We welcome applications from all qualified candidates regardless of ethnic origin gender religion or belief age or sexual identity. Our recruitment process is fair objective and based solely on the skills and qualifications required for this role.


Key Skills
Design,Academics,AutoCAD 3D,Cafe,Fabrication,Java
Employment Type : Full Time
Experience: years
Vacancy: 1
Jobalert für diese Suche erstellen

Principal Engineer (mfd) Remote in DEUKPT • Berlin, Berlin, Germany

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