ML, AI, Data Platform

Staff Machine Learning Scientist

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As a Staff Machine Learning Scientist within our Data+ML organization, you will lead the development of customer-facing, production deployed Machine Learning capabilities to domain problems within the payments space. This role will straddle both engineering and science concerns requiring a strong understanding of ML development methodology and theory, and modern MLOps practices and techniques. Additionally, this role will help inform the technical trajectory of our ML ecosystem, support our AI strategy in alignment with our business objectives, and drive excellence in our ML development practices. 

This role will report directly to the Sr. Director of Machine Learning and will play a key role in defining and delivering foundational ML capabilities to support Marqeta’s business and AI strategy.

We work Flexible First. This role can be performed remote within the United States or from our Oakland, CA headquarters. We’d love for you to join us!

The Impact You'll Have

  • Develop ML models and supporting technical capabilities across the end-to-end ML development lifecycle from ideation and prototyping through production deployment and monitoring
  • Build ML capabilities that address critical internal and external customer-facing challenges in the payments space including risk, fraud, disputes processing, and named entity recognition 
  • Collaborate with key GTM, Product, and Engineering stakeholders to identify model development opportunities, guide decision making by leveraging payments expertise, and create prototypes to assess feasibility and expected business value 
  • Partner with legal, regulatory and risk stakeholders to ensure compliance of ML development efforts with all applicable legal and regulatory requirements
  • Work together with Product and Technical Program Managers to align the technical vision for our ML ecosystem to the needs of our ML scientists

Who You Are

  • 6+ years experience in a data science, machine learning engineering, or similar role within the financial services, banking, or payments space
  • 6+ years expertise building and operating large scale, customer-facing, production ML capabilities
  • Strong understanding of ML techniques including supervised, unsupervised, and reinforcement learning
  • Strong understanding of MLOps and the ML development lifecycle, particularly using AWS Sagemaker and related services
  • Excellent communication and interpersonal skills, with the ability to cultivate relationships across teams, influence decision making, and collaborate with stakeholders at all levels of the organization
  • A strong bias toward action and ability to operate proactively and effectively in a dynamic, fast-paced environment
  • High ethical standards and a commitment to promoting a strong culture
  • BS degree preferred

Your Manager

  • Marek Cyran

Recruiter For This Role

  • Kayla Osuna

Compensation and Benefits

Marqeta is a Flex First company which allows you to choose your best working environment, whether that be from home or at a company office. To support Flex First, we calibrate pay to a competitive value according to working location. Compensation is aligned according to three tiers within the United States:

  • National: A baseline tier that applies to most of the geographic territory of the United States.
  • Premium: Slightly elevated from the National tier, and oriented toward a narrower set of higher cost-of-living areas, such as Los Angeles CA and Seattle WA
  • Premium Plus: A tier for the most expensive working areas, like the San Francisco Bay area and New York City.

Visit this page or consult with a Recruiter to determine which tier would be applicable to you.

When determining salaries, we consider several factors including, but not limited to, skills, prior experience, and work location. The new-hire base salary range for this position is:

  • National: $176,800 - $221,000
  • Premium: $191,400 - $239,200
  • Premium Plus: $208,000 - $260,000

We also believe in recognizing the contributions of our people. That's why we award annual bonuses to eligible employees, rewarding both individual performance and the success of the entire company.

Along with monetary compensation, Marqeta offers

  • Multiple health insurance options
  • Flexible time off – take what you need
  • Retirement savings program with company contribution and after tax contributions
  • Equity in a publicly-traded company and an Employee Stock Purchase Program
  • Family-forming benefits, fertility support, and up to 20 weeks of Parental Leave
  • Free therapy sessions, financial and professional coaching, and legal advice
  • Monthly stipend to support our remote work model
  • Annual “development dollars” to support our people growth and development

About Marqeta

Marqeta is on a mission to change the way money moves. We’re one of the earliest enablers of embedded finance, a market opportunity sized up in the trillions. Our card issuing platform provides unprecedented flexibility and control for companies to issue cards, authorize transactions, and manage payment operations in real time. Marqeta is powering the most well known brands in the new economy (Block, Cash App, Affirm, Instacart, Doordash, Uber, Walmart, etc). You don’t need to be a Payments expert to join the Marqeta Team, let us help you with that.  This is the opportunity of a lifetime to work with innovators around the world and unlock equitable financial access for all.


Marqeta’s Values

– Solve for the Customer: With a deep understanding of our customers' business and empathy for their needs, we deliver products and services that drive their success. Earning and keeping their trust guides everything we do.

– Do What's Right: Knowing businesses and livelihoods depend on us, we pursue solutions that disrupt responsibly and deliver high-quality results that our customers count on. We own our work from start to finish.

– Simplify and Innovate: We approach challenges with curiosity and take smart risks. Innovation comes from finding better, simpler ways to achieve extraordinary outcomes.

– Win as a Team: We succeed together by embracing diverse perspectives and pushing each other to raise the bar. We lead with humility and set aside hierarchy to work as a team.

– Make it Count: We drive forward with focus and agility. With a sense of urgency and purpose, we get the job done, and done right.


Equal Employment Opportunity, Accommodations and Privacy 

Marqeta is proud to be an equal opportunity employer that gives consideration to all qualified applicants regardless of race, ancestry, national  origin, color, Indigenous, citizenship, religion/creed, sex, sexual orientation, gender identity, gender expression marital status, family status, disability, veteran status, criminal histories consistent with legal requirements, or any other characteristic protected by applicable law. 

Our dedication to diversity and inclusion extends beyond the categories above. Review Marqeta’s ESG Report to see that dedication in action. Fostering an environment where everyone feels valued and respected creates a stronger and more innovative team at Marqeta. We celebrate the unique contributions of each individual and empower all members of our organization. Join us in building a company where diversity thrives and everyone can be their authentic selves.

If you require reasonable accommodation for the application process and beyond (including due to a disability), please submit this form and we will be more than happy to assist you. Marqeta will make reasonable accommodations for candidates when needed in accordance with applicable law. The Applicant and Candidate Privacy Notice applies to the personal data that you directly provide to us or that we collect during the application and candidate recruitment process.