Key skills
Data platform infrastructureLakehouse architectureApache IcebergDelta LakeAmazon S3AWS GlueAWS EMRApache SparkApache AirflowApache KafkaChange Data Capture (CDC)Python programmingGo programmingJava programmingData governance toolingPCI-DSSSOX complianceSOC 2 compliancePythonJavaGoMLKafka
About this role
Marqeta is a company focused on building a robust data platform for their data and ML organization. The Senior Staff Software Engineer will be responsible for building and operating the data platform infrastructure, setting technical direction, and ensuring the reliability and performance of the platform.
Responsibilities:
- Building out the lakehouse — the patterns Marqeta will run on for years
- Evolving and hardening the platform that's already in production
- Improving reliability, performance, developer experience — without disrupting the teams who depend on it
- Testing confidence, release velocity
- Participating in a rotational on-call pager duty
Requirements:
- A career building data platforms, not just pipelines
- Production depth in modern lakehouse work
- Mastery of Python in a production data-platform context, with credible depth in Go or Java
- A track record of evolving live infrastructure
- Ownership of major platform transitions
- Influence as a working skill
- A history of growing other engineers
- payments or fintech context (PCI-DSS, SOX, SOC 2)
- CDC tooling experience (Debezium, Kafka Connect)
- Data governance tooling (DataHub, Amundsen, Collibra)
- Public technical writing or open-source contributions to data infrastructure