4 machine learning engineer jobs in Warsaw

We’re hiring an Machine Learning Engineer to own the reliability, scalability, and operational integrity of our machine-learning systems in research & production. This role sits at the intersection of data engineering and ML infrastructure: you’ll design and operate data pipelines that feed models, and you’ll build the tooling that trains, deploys, monitors, and retrains them. You’ll work closely with research engineers and product teams, taking models from experimentation to production-grade systems with clear SLAs, reproducibility guarantees, and observable behaviour. This is not a research role; it is a hands-on engineering role focused on making ML systems work reliably at scale. What You’ll Work On Build and operate ML lifecycle infrastructure, including model packaging, deployment, versioning, rollback, and CI/CD. Implement model monitoring, experiment tracking, and reproducibility. Build and maintain reliable batch and near-real-time data and feature pipelines,...

We are looking for an AI Security Engineer to secure our AI-driven systems, including LLM-based applications, machine learning models, and AI-enabled automation tools. This role will focus on identifying, assessing, and mitigating security risks across the AI lifecycle — from model development and training to deployment and runtime monitoring. The ideal candidate combines strong security engineering experience with a deep understanding of machine learning systems and emerging AI-specific threats (e.g., prompt injection, model poisoning, data leakage, adversarial attacks). Key Responsibilities: AI/ML Security Architecture Design and implement security controls for AI/ML systems across development, training, and production Secure LLM integrations, RAG pipelines, and AI APIs Conduct threat modeling for AI systems and data pipelines Define secure-by-design patterns for AI-powered features AI Threat Detection & Mitigation Identify and mitigate AI-specific threats:...

XTB is a global company from the financial industry, focusing on online trading of financial instruments. We are the largest FinTech in Poland and a leader in Central and Eastern Europe, and the range of our operations covers several countries, including Asia and South America. At XTB, we focus on the development of our employees, giving them opportunities to gain knowledge and skills in various fields, as well as offering a number of training and development programs. If you are looking for challenges and want to gain valuable experience in an international business environment, XTB is the right place for you. We are a certified Great Place to Work company. We are looking for an AI Engineer with a passion for building production-grade GenAI systems. In this role, you will work closely with Engineers and the PdMs to implement, deploy, and scale advanced LLM and agentic solutions. This is an opportunity for an engineer who values engineering excellence and wants to see their...

We are a leading trading platform ambitiously expanding across the global trading, investing and banking markets, and continuously entering new product categories and new geographies. Our award-winning products combine advanced technology with an exceptional client experience. As we scale, our ability to operate with speed, consistency, and precision becomes critical. The Product Operations Manager plays a central role in enabling this - driving operational excellence across product squads and ensuring our teams deliver high-quality outcomes efficiently and consistently. Purpose of the Role The Product Operations Manager provides the operational backbone that keeps product squads moving at pace. A true generalist, this role spans strategy, delivery, data, and process - no two days are the same. They drive momentum, solve problems, and remove obstacles so teams can deliver quickly, effectively, and at consistently high standards. By streamlining delivery processes, maintaining...