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Mastercard · 1 day ago

Senior Principal Software Engineer

O'Fallon, MO

Full-time

Onsite

Senior Level, Lead/Staff

$200K/yr - $320K/yr

Mastercard is a global technology company that powers economies and empowers people in over 200 countries. They are seeking a Senior Principal Software Engineer to lead the design and development of advanced software solutions for their Business & Market Insights group, focusing on real-time intelligence and predictive analytics.

FinanceFinancial ServicesInformation TechnologyPayments

Growth Opportunities

No H1B

U.S. Citizen Only

Responsibilities

Act as a technical thought leader across the B&MI organization, influencing architectural decisions and long-term technology strategy

Facilitate cross-team collaboration by aligning engineering, product, data science, and infrastructure teams around shared goals and technical direction

Lead technical design reviews, architecture forums, and innovation workshops to drive consensus and clarity and build a culture of innovation within the team

Champion a culture of engineering excellence, continuous improvement, and knowledge sharing

Drive decision-making processes that balance technical rigor, business impact, and delivery timelines

Evaluate emerging technologies and guide strategic adoption to enhance platform capabilities

Define and enforce architectural standards, engineering best practices, and governance models across the Operational Insights portfolio

Mentor and develop engineering talent, promoting growth and technical maturity

Architect and develop scalable and highly performant applications using wide range of programming languages, tools and technologies

Design and implement RESTful APIs and web services with best-in-class API tooling and design practices

Lead UI/UX development using frameworks like Angular, React and others, ensuring responsive and intuitive user experiences

Drive cloud-native development and DevOps automation using Pivotal Cloud Foundry, Docker, Jenkins, and CI/CD pipelines

Integrate AI/ML models into operational platforms using frameworks like TensorFlow, PyTorch, or MLlib. Collaborate with data scientists to translate models into scalable engineering solutions

Build and optimize data streaming pipelines using technologies such as Kafka, Flink, or Spark Streaming

Develop big data solutions leveraging Hadoop, Spark, Cassandra, Elasticsearch, and other distributed systems

Collaborate with cross-functional teams to ensure seamless integration across systems and data sources

Qualification

Cloud PlatformsAI/ML IntegrationBig Data SolutionsProgramming LanguagesTechnical LeadershipUI/UX DevelopmentDevOps AutomationData StreamingAgile MethodologiesAnalytical SkillsExecutive PresenceMentoring

Required

Proven experience as a Senior Principal Engineer or equivalent in enterprise data architecture, data engineering, or data platform strategy

Demonstrated technical leadership and strategic influence, driving innovation, prioritization, and delivery excellence

Proficiency with cloud platforms like AWS, Azure, etc. and cloud-based platforms like Databricks and Snowflake

Hands-on experience building global web applications with full-stack expertise in diverse technologies, including cloud and AI/ML

Expert-level technical proficiency on the following tools and technologies: Languages & Frameworks: Java, Spring (Boot, Data, Batch, REST, Cloud, AOP), Hibernate, C#, .Net, Python, SQL

UI/UX: Angular, React and other JavaScript frameworks

Cloud & DevOps: AWS, Azure, Pivotal Cloud Foundry, Docker, Jenkins, CI/CD

Databases: Oracle, SQL Server, PostgreSQL, Cassandra, MongoDB, ElasticSearch

Streaming & Big Data: Kafka, Flink, Spark, Hadoop

AI/ML: TensorFlow, PyTorch, Scikit-learn, MLlib, MLflow

Tools: Eclipse/IntelliJ, Sonar, GIT, Maven, SQL Developer, Gatling

Experience working in Agile environments, leveraging modern delivery practices like Scrum, SAFe, or product-centric models

Strong analytical and problem-solving abilities, with quick adaptation to new technologies, methodologies, and systems

Strong executive presence with the ability to translate complex architecture concepts into business language

Experience mentoring and leading global, cross-functional teams of high-performing technical talent

Bachelor's degree in Computer Science, Data Engineering, Information Systems, or a related technical field required