About the position
We are Rokt, a hyper-growth ecommerce leader. Rokt is the global leader in ecommerce, unlocking real-time relevance in the moment that matters most. Rokt’s AI Brain and ecommerce Network powers billions of transactions connecting hundreds of millions of customers and is trusted to do this by the world’s leading companies. We are a team of builders helping smart businesses find innovative ways to meet customer needs and generate incremental revenue. Leading companies drive 10-50% of additional revenue—and often all their profits—from the extra products or services they sell. This economic edge unleashes a world of possibilities for growth and innovation. The Rokt engineering team builds best-in-class ecommerce technology that provides personalized and relevant experiences for customers globally and empowers marketers with sophisticated, AI-driven tooling to understand consumers better. Our bespoke platform handles millions of transactions per day. It considers billions of data points which give engineers the opportunity to build technology at scale, collaborate across teams and gain exposure to a wide range of technology. We are looking for a Senior Software Engineer (Storage Infrastructure).
Responsibilities
- Operate and tune self-hosted Cassandra clusters (including k8ssandra operator), backing real-time data access and high-throughput ingestion services.
- Architect, deploy, and maintain multi-region Kafka brokers, Schema Registry, MirrorMaker, and Kafka Connect clusters to power resilient event streaming.
- Build and enhance Datalake ingestion pipelines (DeltaStreamer, Cassandra Streamer) and encryption/decryption UDFs, ensuring secure, auditable data at rest and in motion.
- Manage the OLAP layer—design and operate Trino engine clusters, gateways, custom plugins, and Superset dashboards for ad-hoc analytics and BI.
- Oversee artifact and backup services (Nexus, Datadog dashboards, datalake backup solutions), enforcing schema compatibility, automated restores, and cost-efficient storage tiering.
Requirements
- 5+ years of experience as a Storage, Data Infrastructure, or DevOps Engineer.
- Deep expertise in NoSQL databases (Cassandra or similar) and Kafka ecosystem tools (Kafka Broker, Schema Registry, Connectors, MirrorMaker).
- Proven track record with Datalake/OLAP technologies (DeltaStreamer, Trino, Spark UDFs) and SQL-on-anything engines.
- Strong scripting and automation skills (Python, Bash, Terraform) and hands-on Linux administration.
- Ability to work in fast-paced teams, collaborate cross-functionally, and evangelize best practices.
- Familiarity with cloud storage services (AWS S3/GCS), encryption key management, and data governance principles.
Benefits
- Accelerate your career. We offer roadmaps to leadership and an annual training allowance.
- Become a shareholder. Every Rokt’star gets equity in the company.
- Enjoy catered lunch every day and healthy snacks in the office.
- Access generous retirement plans like a 4% dollar-for-dollar 401K matching plan and great health benefits for you and your dependents.
- Dog-friendly office.
- Extra leave (bonus annual leave, sabbatical leave etc.).
- Work with the greatest talent in town.
- See the world! We have offices in New York, Seattle, Sydney, Tokyo and London.
- Flexibility to manage your own hours and can spend up to a week of every quarter working from anywhere.
