Member of Technical Staff, Machine Learning
Bjak · Remote · Portugal ·
COMPENSATION
€•• – ••k
Listed on the employer's job board (Ashby)
- Fully remote
- Python + PyTorch/JAX
- Production ML focus
- GPU infrastructure
Join Actai to develop machine learning systems that power proactive applications for email, tasks, and workflows. You will build and improve ML components, fine-tune models, and handle production constraints like latency and cost.
This position is designed for engineers who want to gain systems judgment by shipping and debugging real-world ML. You will collaborate with senior engineers and product teams to reduce hallucinations and ensure high reliability.
What you'll do
- Build and improve ML components for data, training, evaluation, and inference
- Fine-tune and adapt models within larger production systems
- Implement evaluation and testing to understand model behavior
- Build and maintain data pipelines for real-world and synthetic data
- Debug model issues, performance problems, and production incidents
- Ship improvements iteratively based on real user feedback
- Work under constraints regarding latency, cost, reliability, and safety
What you'll need
- Strong foundations in machine learning and modern neural architectures
- Hands-on experience training, fine-tuning, or deploying ML models
- Comfortable writing production-quality code
- Ability to learn new tools quickly
- Curious and coachable mindset eager to learn from production systems
- Able to work through ambiguity with guidance
- Bias toward shipping, iteration, and continuous improvement
Stack
- Python
- PyTorch
- JAX
- GPUs
Hiring process
- Applications evaluated by technical team members
- Three to four interviews maximum
- Interviews conducted via virtual meetings or onsite
- Prompt decision process valued for transparency and efficiency