Senior Software Engineer - Query Engine

Be Part of Building the Future

Dremio is the unified lakehouse platform for self-service analytics and AI, serving hundreds of global enterprises. Customers rely on Dremio for cloud, hybrid, and on-prem lakehouses to power their data mesh, data warehouse migration, data virtualization, and unified data access use cases. Based on open source technologies, including Apache Iceberg and Apache Arrow, Dremio provides an open lakehouse architecture enabling the fastest time to insight and platform flexibility at a fraction of the cost.

About The Role

We are seeking a talented and motivated Senior Software Engineer to join our Datalake team within the Query Engine organization. In this role, you will focus on enhancing our query engine with a particular emphasis on the Iceberg table format and efficient scans of various file formats. This is an exciting opportunity to contribute to cutting-edge technology in the big data ecosystem.

What You’ll Be Doing

• Designing and implementing features for Dremio’s query engine with a focus on the Iceberg table format.
• Optimizing file scan operations for various file formats, including Parquet, Avro, and others.
• Collaborating with members of the query planning and query execution teams to ensure seamless integration of features across the code stack.
• Working with and contributing to open-source projects like Apache Iceberg, Parquet, and Arrow.
• Maintaining and enhancing compliance with the Iceberg table format specification.
• Conducting performance tuning and benchmarking to enhance query execution speed.
• Understanding and reasoning about concurrency and parallelization to deliver scalability and performance in a multithreaded and distributed environment.
• Participating in code reviews and providing constructive feedback to peers.

What We’re Looking For

• B.S., M.S. or PhD in Computer Science or in a related technical field.
• 5+ years of software engineering experience, with a focus on database systems, query execution, or related fields.
• Strong programming skills in an object-oriented language such as Java or C++.
• Understanding of database internals, query planning, distributed systems, concurrency control, data replication, and storage systems.
• Familiarity with cloud object stores, such as AWS S3, ADLS, or GCS.
• Experience with Apache Iceberg, Parquet, AVRO, and/or Delta.
• Interested and motivated to be part of a fast-moving startup with a fun and accomplished team.
• Desire to learn: You can stand your ground as well as be mentored by your teammates.

Bonus Points

• Experience working with and contributing to open source projects.

What We Value

At Dremio, we hold ourselves to high standards when it comes to People, Thinking, and Action. Our Gnarlies (that's what we call our employees) communicate with clarity, drive accountability, and are respectful towards each other. We confront brutal facts and focus on results while operating with a sense of urgency and building a "flywheel". People who like to jump in and drive momentum will thrive in our #GnarlyLife.

Dremio is an equal opportunity employer supporting workforce diversity. We do not discriminate on the basis of race, religion, color, national origin, gender identity, sexual orientation, age, marital status, protected veteran status, disability status, or any other unlawful factor.

Dremio is committed to providing any necessary accommodations for individuals with disabilities within our application and interview process.