Sonatus
AI-enabled software-defined vehicles
StaffCloudBackendEngineer
Neural analysis suggests this role is
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“Staff Cloud Backend Engineer at Sonatus. Skills: SQL, NoSQL, time-series data, OLAP/OLTP. Lead the design and architecture of database solutions. Evaluate and recommend database technologies”
Industry & Context.
Excellent problem-solving and analytical skills
What They're Looking For.
Must Have
Bachelor's or Master's degree in Computer Science, Information Technology, or a related field., 10+ years of experience in database engineering, with a focus on both SQL and NoSQL databases., Proven expertise in designing and managing time-series databases (e. g. , TimescaleDB, Apache Druid, Apache Pinot, etc. ) and OLAP/OLTP systems with high scale., Advanced proficiency in SQL, including query optimization, indexing, and stored procedure development., experience with NoSQL databases (e. g. , MongoDB, Cassandra, Scylla, etc. ) and their respective data modeling techniques., Deep understanding of time-series data concepts, architecture, and performance tuning., Experience with OLAP technologies and tools such as Apache Druid, ClickHouse, or similar., Familiarity with cloud-based database services (e. g. , AWS RDS, Google Cloud BigQuery) and infrastructure as code (IaC) tools (e. g. , Terraform, CloudFormation)., programming skills (e. g. , Golang, Java, Scala, etc. )., Excellent problem-solving and analytical skills, with a keen attention to detail., communication and collaboration skills, with the ability to work effectively in cross-functional teams., Working English for collaboration with global teams, and Korean fluency for customer interactions., Leadership qualities with a proven ability to mentor and guide junior team members.
Nice to Have
Experience with streaming data platforms (e. g. , Apache Kafka) and integrating them with time-series databases., Knowledge of containerization and orchestration technologies (e. g. , Docker, Kubernetes) as they pertain to database deployment., Experience with real-time analytics and data warehousing solutions., AI / MLOps experience — exposure to ML data pipelines, feature stores, model registries, or production ML workflows., Familiarity with how database design supports AI training and serving workloads is a plus.
What You'll Do.
Lead the design and architecture of database solutions
Evaluate and recommend database technologies
Design and implement data models
and maintain SQL queries
Implement and manage time-series databases
Optimize OLAP/OLTP databases
Monitor and tune databases
Implement data partitioning
Ensure data integrity
Collaborate with cross-functional teams
Provide technical leadership and mentorship
Drive continuous improvement initiatives
Stay up-to-date with database advancements
Experiment with and evaluate new database technologies
Contribute to the development of internal tools
How You'll Work.
Team & Collaboration
Collaborate with cross-functional teams, including AI Engineers, software engineers, and product managers; Work effectively in cross-functional teams; Collaboration with global teams
Communication Scope
Excellent communication and collaboration skills; Working English for collaboration with global teams; Korean fluency for customer interactions
Full Job Description
At Sonatus, we’re driving the transformation to AI-enabled software-defined vehicles. Traditional automotive software methods can’t keep pace with consumer expectations shaped by the mobile industry—where features evolve rapidly, update seamlessly, and improve continuously. That’s why leading OEMs trust Sonatus to accelerate this shift. Our technology is already in production across more than 6 million vehicles on the road today and rapidly expanding. Headquartered in Sunnyvale, CA, with 250+ employees worldwide, Sonatus combines the agility of a fast-growing company with the scale and impact of an established partner. Backed by strong funding and proven by global deployment, we’re solving some of the most interesting and complex challenges in the industry. Join us and help redefine what’s possible as we shape the future of mobility. Sonatus is headquartered in Sunnyvale, California with international locations in Ireland, France, Germany, Poland, Korea, China, India, Taiwan and Japan. This is a hybrid position at our Pangyo location. You will report to the Engineering Director in Korea. About the Role We are seeking an experienced and highly skilled Cloud Backend Engineer (Databases) with deep expertise in both SQL and NoSQL databases, with a strong focus on time-series data, OLAP, and OLTP systems. This role is crucial for designing, implementing, and optimizing high-performance, scalable database systems that support our data-intensive applications. You will work closely with our data engineering, analytics, AI, and product teams to ensure the reliability, scalability, and efficiency of our database infrastructure — the foundation on which our vehicle telemetry, AI training pipelines, and customer-facing analytics all depend. Duties and Responsibilities Design and Architecture Lead the design and architecture of robust, scalable, and high-performance database solutions, with a particular emphasis on time-series data, OLAP, and OLTP databases. Evaluate and recomme
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