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Senior Data Analytics Engineer – Risk, Fraud and Disputes

Toronto, Canada; Vancouver, Canada

We are looking for a highly analytical and technically proficient Senior Data Analytics Engineer to join our Risk, Fraud, and Disputes Engineering team. In this cross-functional and strategic role, you’ll own the design and development of scalable, reliable data assets that drive real-time fraud detection, dispute operations, and regulatory reporting. You'll be instrumental in bridging data engineering with analytical needs, enabling high-quality decisions through structured, labeled data and actionable insights using ML models.

We work Flexible First. This role can be performed remotely anywhere within British Columbia and Ontario, Canada. We’d love for you to join us!

The Impact You'll Have

  • Partner with risk/fraud/dispute engineers, data scientists, and product managers to understand business needs and translate them into data-driven solutions.
  • Lead the creation of labeled datasets to support supervised machine learning and rules-based fraud detection and chargeback prediction.
  • Partner with ML engineers and backend teams to productionize data.
  • Analyze large transactional, fraud, and chargeback data to uncover trends, detect anomalies, and support deep-dive investigations.(e.g., Chargeback win/loss rates, Fraud rates, anomalous Merchant behavior etc).
  • Create and maintain real-time dashboards and reporting for key KPIs across Fraud, Risk, and Disputes for leadership, operations, and product teams.
  • Recommend data improvements to enhance fraud and chargeback detection capabilities and reduce false positives/negatives.
  • Act as a domain expert in fraud and dispute data, supporting internal investigations and external customer data queries.
  • Partner with Finance or Operations to answer questions about dispute costs, win/loss rates, and more.
  • Collaborate with Engineering to develop and maintain Airflow pipelines and ETL workflows to support scalable data pipelines.

Who You Are

  • 5+ years of experience in data analytics, data science, or data engineering, preferably in fraud, risk, dispute, payments, or financial services.
  • Advanced SQL skills with a strong understanding of analytical functions, performance tuning, and ETL best practices.
  • Deep understanding of risk, fraud signals, disputes domain or related data patterns.
  • Strong data intuition: able to translate vague problem statements into structured data analysis or model features.
  • Experience with data visualization tools (Looker, Tableau etc).
  • Ability to translate business needs into technical solutions and data structures.
  • Comfort working with ambiguous data problems in a fast-paced, high-stakes environment.
  • Strong communication and collaboration skills—ability to work cross-functionally with Product, Engineering, and Ops.
  • Familiarity with Airflow, dbt, or equivalent ETL/ELT tooling.

Nice-To-Haves

  • Experience labeling data for ML models or partnering with ML engineers on feature creation.
  • Understanding of card network chargeback rules, fraud reason codes, or dispute lifecycle.
  • Python or R for advanced analytics or light ML tasks.

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. 

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, reflected in CAD,  is: 112,700 - 140,900.

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 vacation time
  • Retirement savings program with company contribution
  • Equity in a publicly-traded company 
  • 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 an equal opportunity employer committed to an inclusive workplace that fosters belonging. We do not discriminate based on race, color, religion, sex (including pregnancy, lactation, childbirth, or related medical conditions), veteran status or uniformed service member status, age, national origin or ancestry, citizenship or immigration status, physical or mental disability, gender identity, gender expression, sexual orientation, genetic information (including testing or characteristics) or any other characteristic protected by applicable law. We also consider qualified applicants with criminal histories, consistent with legal requirements. 

Marqeta endeavors to make reasonable accommodations for applicants with disabilities. If you are an individual with a disability and require a reasonable accommodation to submit this application, complete any pre-employment testing, or otherwise participate in the employee selection process, please submit this form with your specific accommodation request.

Personal data that is provided as part of the application and recruitment process is processed in accordance with the Applicant Privacy Notice. Additional information for California residents can be found here.  

 

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At Marqeta, we strive to live our value of “Win as a Team,” where we seek various opinions and experiences as we build opportunities around equity, inclusion, and belonging. We ask candidates to respond to the below self-identification survey. Completion of the form is entirely voluntary. Whatever your decision, it will not be considered in the hiring process or thereafter. As set forth in Marqeta’s Equal Employment Opportunity policy, we do not discriminate on the basis of any protected group status under any applicable law.

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