Senior Software Engineer - Data Infrastructure

Marqeta is looking for a talented Senior Software Engineer to independently identify and deliver software solutions on our Data Infrastructure team. The role involves owning and delivering projects, collaborating with team members, and leading design efforts for components of the data infrastructure.

Responsibilities:

• Define and deliver well-scoped milestones for projects, and may be a technical lead for projects on your team
• Lead design for small-to-medium components and participate in design for larger components, moving from task-level impact to small-to-medium project-level impact
• Have significant ownership of a component of the data infrastructure, including its reliability, performance, and developer experience
• Identify gaps and propose plans towards addressing those gaps
• Independently write code that is clear, well-tested, and appropriately flexible, reusable, and adaptable to changing requirements
• Actively level up less-experienced members of your team by helping them with their craft, providing guidance, and setting a good example
• Participate in on-call coverage

Requirements:

• 5+ years of experience as a software engineer with a Bachelor's degree; or 3 years of experience with an advanced degree. In lieu of a degree, 8+ years of relevant experience may suffice
• Strong proficiency in Python in a production context
• Proficiency with SQL
• Experience working with distributed systems
• Production experience with multiple core data technologies, including Apache Kafka, Apache Spark, and Apache Airflow (or close equivalents)
• Production experience with modern table formats (Parquet, Hudi, Iceberg, or Delta Lake)
• Production experience with AWS or another major cloud
• Experience with infrastructure-as-code (Terraform, CloudFormation, CDK, or equivalent)
• Experience monitoring and alerting on production systems
• Ability to decompose business problems into solutions that may require designs with multiple interacting components
• Ability to build correct, maintainable software components
• Ability to work with cross-functional stakeholders to identify technical blindspots and clarify ambiguity
• Ability to present clear and concise messages tailored to various audiences; able to communicate clearly and respectfully both verbally and in writing
• A focus on quality and meeting deadlines
• Experience with payments or the FinTech space
• Experience with Apache Iceberg specifically
• Experience with CDC tooling, particularly Debezium or Kafka Connect
• Experience with data catalog tooling (DataHub or equivalent)
• Experience with Java in addition to Python
• Exposure to Kubernetes and container-based workloads
• Experience building scalable software platforms