Senior Data Engineer

Senior Data EngineerMastercard 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.About the RoleAs a Senior Data Engineer, you'll take ownership of building and optimizing data platforms, pipelines, and systems that enable advanced analytics, machine learning, and business insights. You'll collaborate closely with engineering, product, and analytics teams to deliver reliable, production-ready data solutions.RoleDesign, build, and maintain scalable data platforms leveraging Data Engineering best practicesDevelop and optimize large-scale data pipelines using Distributed Data Processing frameworksImplement and manage automated workflows using Workflow Orchestration to ensure reliable data movement and processingDesign and integrate data from multiple sources using Data Integration techniques to create a unified, accessible data layerBuild and maintain scalable Data Lakes for storing and analyzing large, diverse datasetsDefine and implement robust Data Modeling strategies to support analytics and reporting use casesDesign and optimize Database Design solutions to ensure performance, scalability, and data integrityProcess and transform large datasets using efficient Data Processing techniques to generate actionable insightsEnsure strong Data Security practices, including data protection, governance, and complianceLead system design discussions and contribute to architectural decisionsOwn full SDLC delivery including requirements, design, development, testing, and deploymentTroubleshoot and resolve production issues through structured root cause analysisDrive improvements in performance, scalability, and reliability of data systemsCollaborate across teams to align data solutions with business needsMentor team members and contribute to knowledge sharing and technical developmentAll About YouExperience designing and building scalable systems using modern Data Engineering principlesStrong experience with Distributed Data Processing and large-scale data platformsHands-on experience with Data Integration, Data Modeling, and Data ProcessingExperience building and maintaining Data Lakes and modern data architecturesSolid understanding of Database Design and data optimization techniquesKnowledge of Workflow Orchestration tools and end-to-end pipeline automationStrong understanding of Data Security and data governance practicesProven ability to work independently on complex technical challengesStrong troubleshooting and root cause analysis skills in data environmentsExperience working in Agile/Scrum environments and collaborating across teamsStrong communication and collaboration skills, with the ability to influence decisionsExperience mentoring or supporting other engineersBachelor's degree or equivalent experienceNice to HaveExperience with cloud platforms (AWS, Azure, or GCP) and modern data toolingExperience with event-driven or streaming architecturesExposure to machine learning or advanced analytics environmentsExperience in high-throughput or regulated environments (payments, banking, fintech)Corporate Security ResponsibilityAll 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, andComplete all periodic mandatory security trainings in accordance with Mastercard's guidelines.In line with Mastercard's total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance); flexible spending account and health savings account; paid leaves (including 16 weeks of new parent leave and up to 20 days of bereavement leave); 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire; 10 annual paid U.S. observed holidays; 401k with a best-in-class company match; deferred compensation for eligible roles; fitness reimbursement or on-site fitness facilities; eligibility for tuition reimbursement; and many more. Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty leave; and on-site fitness facilities in some locations.Pay RangesO'Fallon, Missouri: $115,000 - $184,000 USD