Senior C++ Engineer (m/f/d) bei Carly in München

Arbeitsbeschreibung - Senior C++ Engineer (m/f/d)

Your mission

As our Senior C++ Engineer, you’ll step into a role with purpose, growth, and real impact. You’ll join our Technology team, where a group of experienced engineers, architects, and tech leads work at the cutting edge of automotive diagnostics and data infrastructure. From reading out vehicle ECUs to building robust cross-platform integrations, our senior tech team drives innovation at every layer of our product. Your work will shape the performance and reliability of Carly’s diagnostics engine and directly influence Carly’s mission to empower car owners worldwide — all in an environment that values authenticity, inclusion, and cross-cultural collaboration.

Your responsibilities

Own and maintain the C++ library that drives communication between mobile clients and vehicle ECUs
Ensure performance, stability, and maintainability of the C++ codebase, with a focus on memory management, pointer safety, and test coverage
Oversee build configuration (e.g. CMake) and deployment processes across supported platforms
Interpret Carly’s proprietary vehicle data formats and support integration of brand-specific command structures and ECU definitions
Collaborate with Protocol Engineers to incorporate updates in diagnostic command definitions and parsing logic
Drive cross-platform compatibility by maintaining stable bridges to Android (Kotlin) and iOS (Swift) layers
Troubleshoot low-level transmission issues, support debugging in live diagnostic sessions, and propose sustainable interface improvements

Your profile

You have 5+ years of C++ development experience, particularly in systems or embedded contexts
You understand memory management, pointer operations, and multithreading deeply
You have experience with build tools like CMake and unit testing frameworks
You bring familiarity with automotive communication protocols (e.g., CAN bus, UDS, ISO-TP)
You collaborate well with mobile and engineering teams
You have experience with Swift and/or Kotlin bridging
You ideally bring a background in diagnostics or automotive software
You're fluent in English (C1)

Why us?

Inclusive and supportive culture that values authenticity and growth — no walls, no limits, no bureaucracy
Clear strategy and purpose-driven impact — you’ll know exactly how your work drives Carly’s mission
Data-driven decisions and open dashboards — full transparency on goals, growth, and results
Cross-functional collaboration — strong management, hands-on workshops, and a high learning curve
Competitive compensation and 100% company-supported equipment to help you do your best work
Stable and sustainable growth — proudly independent, with no external investors
A passionate, international team based in the heart of Munich — with a view of the Alps!

Curious what the experience at Carly is like? Our team spans 30+ nationalities, and we believe in transparency, autonomy, and building meaningful relationships. Learn more on our Culture & Careers page.

About us

Carly is a cartech company improving car repair and maintenance for millions of car fans worldwide. We provide curated repair and maintenance knowledge and package it in a suitable format. With the help of our product, our customers receive actionable advice. They can then cover a large part of their repair and maintenance on their own, placing them back in control over their vehicles.

While we have been steadily growing and providing new services to our customers over the past years, there is still so much to do, and you can help us achieve it. So join us in our central Munich offices and help us bring joy to more car fans worldwide.

What is Carly's purpose?
Carly pairs real-time data with mechanical expertise to improve car fans' repair and maintenance experiences. Our aim is to Share Knowledge, Deliver Relevance and Provide Joy to car fans and people with car issues.

What is Carly's vision?

We want to be top of mind for car fans regarding repair and maintenance.

Be a part of our driven team and conquer the automotive world with us!

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Senior C++ Engineer (m/f/d)