Performs manual and automated testing of data, backend, API, frontend, and cloud-based systems. Validates data pipelines, transformations, quality, processing accuracy, and outputs across AWS services including S3, Glue, Athena, Lambda, and CloudWatch. Develops and maintains automated UI, API, and data tests using Playwright and TypeScript, with Claude Code supporting test development.

Designs, builds, and optimizes ClickHouse-based data infrastructure for large-scale time-series and real-time workloads. Responsibilities include developing ingestion and transformation pipelines, optimizing schemas and queries, supporting lakehouse architecture with Amazon S3, integrating Snowflake and Databricks, managing AWS BYOC deployments, troubleshooting performance and scalability issues, and owning technical decisions.

Maintain reliability, security, and performance of Lineate and customer cloud/on-prem infrastructure. Operate Kubernetes and Databricks, respond to incidents and escalations, perform Linux and Windows administration, support CI/CD pipelines, implement observability and automation (including AI-agent-driven tasks), maintain runbooks, and communicate with customers while participating in 24/7 shift rotations.