Skip to main contentA logo with &quat;the muse&quat; in dark blue text.

Lead Data Engineer

AT Mastercard
Mastercard

Lead Data Engineer

Budapest, Hungary

Our Purpose

Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential.

Title and Summary

Lead Data Engineer

Join our Batch Signals Processing team in Budapest as a Lead Data Engineer and help shape the big data flows that power our identity solutions. You'll work with a geo-diverse team using Spark, AWS, and Databricks tools to build efficient and reliable ETL pipelines that process billions of transactions per month. We're looking for a hands-on leader with strong functional programming chops, a passion for mentoring, and a drive to tackle complex technical challenges. If you love solving hard problems with the best tools for the job, this is your place.

Want more jobs like this?

Get Data and Analytics jobs in Budapest, Hungary delivered to your inbox every week.

By signing up, you agree to our Terms of Service & Privacy Policy.


Global digital fraud is projected to exceed $1 trillion in losses in 2025, spanning scams, identity theft, and synthetic fraud across financial services, e-commerce, and beyond. At Mastercard Identity Solutions, you'll be on the front lines of this battle-engineering real-time intelligence systems that help businesses detect and stop fraud before it happens at global scale. Our team leverages personal, behavioral, device and payment analytics, machine learning, and massive-scale data to distinguish legitimate users from bad actors in milliseconds. It's a high-stakes, high-impact mission where your code directly protects people and commerce worldwide. If you're excited by scale, complexity, and you believe in building trust into the Global ecosystem of payments that will directly impact millions of people.

Ekata, a Mastercard company within Identity Solutions, is the global standard in identity verification, providing businesses worldwide the ability to link any digital transaction to the human behind it. Our Ekata Identity Engine, the first and only of its kind, uses complex machine learning to combine features derived from the billions of transactions within our proprietary network and the data from our graph to deliver industry leading risk assessment solutions.

Job Description

Work as part of a big data engineering team
Work with cutting edge big data platforms and technologies
Build and own optimized and scalable code and algorithms
Be responsible for the performance, integration, and the automated tests of your code
Participate in and lead development tasks and projects
Cross-team collaboration
Deploy, monitor, and maintain large-scale cloud applications (AWS)
Independently analyze, propose,, plan, and develop solutions for complex technical problems and issues
Communicate closely and effectively with engineering teams and stakeholders to gather and understand requirements, share project status, and deal with unexpected issues

All about you

Computer science or related degree and five or more years of experience in software development
Experience with data storage and processing systems (ETL) and big data platforms in AWS (Databricks, Redis / Elasticache, Spark)
Experience in functional programming languages and projects (Scala, Clojure or similar)
Relevant experience in software development (Java, Python, .Net)
Experience in working with, planning, designing, and analyzing (big) data systems.
Experience in all phases of the software development life cycle: requirements gathering, design, implementation, testing, monitoring, and maintenance
Ability to write clean code that works, is readable, maintainable, and follows best practices.
A philosophy of iteration and continuous improvement

Corporate Security Responsibility

All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must:

  • Abide by Mastercard's security policies and practices;
  • Ensure the confidentiality and integrity of the information being accessed;
  • Report any suspected information security violation or breach, and
  • Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines.

Client-provided location(s): Budapest, Hungary
Job ID: Mastercard-22331_R-250833
Employment Type: Other

Perks and Benefits

  • Health and Wellness

    • Health Insurance
    • Dental Insurance
    • Vision Insurance
    • Life Insurance
    • Short-Term Disability
    • Long-Term Disability
    • FSA
    • FSA With Employer Contribution
    • HSA
    • HSA With Employer Contribution
    • Fitness Subsidies
    • On-Site Gym
    • Pet Insurance
    • Mental Health Benefits
    • Virtual Fitness Classes
    • Health Reimbursement Account
  • Parental Benefits

    • Birth Parent or Maternity Leave
    • Non-Birth Parent or Paternity Leave
    • Fertility Benefits
    • Adoption Assistance Program
    • Family Support Resources
    • On-site/Nearby Childcare
    • Adoption Leave
  • Work Flexibility

    • Flexible Work Hours
    • Remote Work Opportunities
    • Hybrid Work Opportunities
  • Office Life and Perks

    • Commuter Benefits Program
    • Casual Dress
    • Happy Hours
    • Snacks
    • Company Outings
    • On-Site Cafeteria
    • Holiday Events
    • Some Meals Provided
  • Vacation and Time Off

    • Paid Vacation
    • Paid Holidays
    • Personal/Sick Days
    • Leave of Absence
    • Volunteer Time Off
  • Financial and Retirement

    • 401(K) With Company Matching
    • Performance Bonus
    • Relocation Assistance
    • Financial Counseling
    • Stock Purchase Program
    • 401(K)
    • Company Equity
  • Professional Development

    • Tuition Reimbursement
    • Promote From Within
    • Mentor Program
    • Access to Online Courses
    • Lunch and Learns
    • Internship Program
    • Work Visa Sponsorship
    • Leadership Training Program
    • Associate or Rotational Training Program
    • Shadowing Opportunities
  • Diversity and Inclusion

    • Employee Resource Groups (ERG)