Ukraine 
Data science 
3+ years Project description
We are looking for a Senior AI / ML Engineer to join a cybersecurity-focused product team and help build intelligent AI-powered security solutions.
Remote, full-time
Working hours: 9 AM – 6 PM Kyiv time
Domain: Cybersecurity
Responsibilities
- Develop and deploy ML/AI solutions from research to production
- Build security-focused AI agents and reasoning systems
- Develop ML models for anomaly detection, classification, and predictive analytics
- Fine-tune and adapt LLMs for cybersecurity use cases
- Monitor and improve model performance in production environments
- Collaborate with cross-functional product and engineering teams
Requirements
Location: Ukraine
- 3+ years of hands-on experience in Data Science / Machine Learning
- Strong Python skills and experience with the modern ML ecosystem:
NumPy, Pandas, Scikit-learn, PyTorch or TensorFlow - Strong understanding of ML fundamentals and model behaviour
- Experience delivering ML systems into production
- Understanding of LLM architectures and fine-tuning approaches
- Strong analytical and problem-solving skills
- Excellent communication and collaboration skills
- English: Upper-Intermediate
Would be a plus:
- Experience with cybersecurity-related products or datasets
- Experience with AI agents or reasoning systems
- Experience with cloud platforms and MLOps practices
- NLP or Generative AI experience