Senior Machine Learning Engineer - Data Foundation and AI

Plaid • San Francisco, CA

69d • $225,600 - $337,200

About The Position

You'll be a senior machine learning engineer on the Data Foundation & AI team. In this role, you will design, build, and scale advanced ML/AI systems that power Plaid products and applications. Your work may span developing reliable distributed training and serving systems, improving ML operations at scale, and building AI-powered applications that enable new product experiences.

Requirements

• 5+ years of experience training, deploying, and scaling ML/AI models in production environments.
• Strong experience with distributed systems and ML operations - from large-scale training to low-latency serving and monitoring.
• Proficiency in Python and modern ML frameworks (e.g., PyTorch), with the ability to implement and optimize complex models.
• Hands-on experience building or scaling ML/AI infrastructure, pipelines, or reusable platforms that support multiple teams.
• Curiosity and drive to experiment with advanced AI techniques (e.g., embeddings, retrieval, generative modeling) while staying grounded in production impact.
• Experience applying ML/AI in fintech or similarly regulated industries is a plus.
• Ability to thrive in a collaborative environment, working with both technical and non-technical partners to drive measurable outcomes.

Responsibilities

• Building and scaling advanced ML/AI systems that power core Plaid products and applications used by millions of consumers.
• Driving impact at scale by improving distributed training, serving, and ML operations to make Plaid's AI capabilities faster, more reliable, and more widely available.
• Developing new AI applications that enable innovative product experiences across fintech.
• Tackling 0 to 1 problems where you explore new approaches, as well as scaling 1 to 10 systems for reliability and efficiency.
• Collaborating with some of the strongest MLEs at Plaid in a high-ownership, bottom-up driven team.
• Experimenting with cutting-edge ML and AI techniques while balancing practical productionization and measurable business impact.

Benefits

• Comprehensive benefit plan, including medical, dental, vision, and 401(k).
• Additional compensation in the form(s) of equity and/or commission.

What This Job Offers

• Career Level: Senior
• Industry: Publishing Industries
• Number of Employees: 501-1,000 employees