Senior Machine Learning Engineer
Bjak · Remote · Germany ·
COMPENSATION
€•• – ••k
Listed on the employer's job board (Ashby)
- Senior ML Engineer
- Fully remote role
- Python + PyTorch/JAX
- Production-focused ML
- High talent density
Actai is developing AI-native applications for email, notes, and tasks that require minimal prompting. The team focuses on high reliability for persistent context and real-world task completion to reduce hallucinations.
As a Senior Member of Technical Staff, you will independently own critical ML subsystems. You will design practical solutions for ambiguous problems and ship systems that operate reliably at scale, turning research ideas into working production systems.
What you'll do
- Build core ML systems for proactive, long-horizon AI products
- Own the full lifecycle from data preparation to inference
- Convert research concepts into reliable production systems
- Debug model failures using real production signals
- Iterate quickly by shipping, measuring, and refining outcomes
- Mentor other ML engineers through technical judgment
- Operate under constraints of latency, cost, and safety
What you'll need
- Experience building and shipping ML systems for real users
- Deep understanding of modern ML model behavior in production
- Ability to write strong, production-quality system code
- Proven capacity to work independently and drive ownership
- Strong communication skills and ability to learn fast
- Experience collaborating with research and product teams
Stack
- Python
- PyTorch
- JAX
- GPU-based training systems
- GPU-based inference systems
How you'll work
- Small, high talent density team
- Collective decision making process
- Rapid speed with focus on quality
- Virtual meetings for interviews
Hiring process
- Technical team evaluates applications
- Three to four interviews maximum
- Interviews via virtual meetings or onsite
- Prompt decision after final interview