6 days ago
Amsterdam, NetherlandsStaff+
Responsibilities
- Architect, build, and evolve large-scale ML systems for ad ranking, recommendations, and advertiser optimization.
- Use production data to identify opportunities, define ambiguous problem spaces, and influence product and business strategy.
- Own best practices across feature engineering, model development, evaluation, deployment, monitoring, reproducibility, and scalability.
- Partner with product, engineering, and research teams to translate business objectives into scalable ML solutions.
- Define and improve system metrics including relevance, revenue, latency, reliability, efficiency, scalability, and cost-performance.
- Apply state-of-the-art methods such as deep learning, GenAI, and LLM-based systems in production.
- Mentor engineers, lead design reviews, and establish ML engineering and experimentation standards.
Requirements
- Master’s or PhD in Computer Science, Software Engineering, Mathematics, or a related field.
- Experience building and scaling production-grade ML systems and delivering impactful solutions in complex environments.
- Proven ability to design, deploy, and operate large-scale ML pipelines, online services, and experimentation frameworks.
- Expertise in data structures, algorithms, and distributed system design, including architectural tradeoffs.
- Strong coding skills in Python, Scala, or similar languages.
- Hands-on experience with modern ML frameworks such as PyTorch, Hugging Face, Ray, and vLLM.
- Experience with large-scale data processing tools such as Spark and Hadoop.
- Strong SQL, data analysis, experimentation, and segmentation skills.
- Ability to communicate complex technical concepts, influence partners, and drive cross-functional alignment.
Tech Stack
Categories
About TCGplayer
TCGplayer operates an online marketplace and software tools for buying and selling trading card games and related collectibles, serving hobby shops and individual sellers. It generates revenue through marketplace fees, seller subscriptions, and fulfillment programs such as TCGplayer Direct. An eBay subsidiary, the company provides authentication and logistics services that help stores list inventory at scale and reach buyers across the U.S. and internationally.