Senior Software Engineer C++ / Rust | €130–170K + Equity | AI | Berlin
Location: Berlin On-site / Hybrid
Industry: AI / Privacy Tech
Why Join
My client is one of the most technically ambitious AI startups in Berlin right now. With thousands of users across Europe's financial and legal sectors, strong product-market fit, and a +25 person // senior engineering team that actually ships, this is a rare chance to own the hardest part of the stack at a company where your code is the product. Everything runs under strict latency and memory constraints
What You'll
- DoOwn performance-critical components in C++ and/or Rust end-to-end, design, build, ship, iterate
- Push the boundaries of real-time audio processing and on-device ML inference
- Solve hard latency and memory problems across macOS, Windows, and iOS, simultaneously
- Architect systems where correctness and speed are both non-negotiable
- Contribute to open source where your work intersects the ecosystem
- Work directly with the founding team
What You Bring
Must-have:
- 6–10 years of production C++ or Rust, ideally both, no exceptions on depth
- Systems programming instincts: memory models, concurrency primitives, lock-free data structures
- SIMDExperience building real-time pipelines where latency is not negotiable, audio, video, trading, sensors
- Active GitHub,open source contributions are a strong positive signal
Strong plus:
- On-device ML inference experience (whisper.cpp, ONNX Runtime, CoreML, or similar
- Cross-platform native development across macOS, Windows,
- iOSStartup or scaleup background, you've shipped under ambiguity and owned the outcome
- Open source contributions you're genuinely proud of
Nice to have:
- GDPR / privacy-by-design engineering experience
- Background in regulated industries (fintech, legaltech, healthtech)
- Prior experience at an AI-native or developer tools company
This is a career-defining engineering role in one of the most technically demanding and ethically meaningful AI categories being built in Europe to day.
Apply today and let's talk.
