Data Engineer

Senior Data EngineerAs 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)Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact View email address on click.appcast.io and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly.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.Pay RangesO'Fallon, Missouri: $115,000 - $184,000 USD