Senior Software Engineer, Data Infrastructure
DecagonConversational AI company
San Francisco, United States$200K – $400K + Offers EquitySenior
Accel
Andreessen Horowitz
Index Ventures
Coatue Management
Bain Capital Ventures
Ribbit Capital
Software EngineeringNew
About the role
TL;DR
Design, build, and operate data systems powering AI products, owning critical data pipelines and storage.
- •We're hiring a Senior Data Infrastructure Engineer to design, build, and operate the data systems that power Decagon's AI products.
- •You'll own critical data pipelines and storage layers end-to-end, improve reliability and performance, and create paved paths that let every Decagon engineer work confidently with data at scale.
- •Key Responsibilities Design and implement high-throughput data pipelines and streaming systems with strong SLOs, clear runbooks, and actionable telemetry.
- •Build and operate real-time and batch ingestion infrastructure using tools like Kafka, Flink, and Airflow.
- •Own our analytical data layer
- •schema design, query performance, and cost optimization across ClickHouse, BigQuery, or similar.
- •Tune pipeline and query latencies: optimize data paths, apply smart caching/partitioning, and hit tight p95/p99 targets.
- •Lead infrastructure-as-code (Terraform) and GitOps practices for data systems; reduce drift with reusable modules and policy-as-code.
- •Requirements 5+ years building and operating production data infrastructure at scale.
- •Hands-on experience with Tier 1 data technologies: ClickHouse, Kafka (or MSK/Pub-Sub/RabbitMQ), and Flink or dbt.
- •Proven track record meeting high availability and low latency targets across streaming and batch workloads.
- •Excellent observability chops (OpenTelemetry, Prometheus/Grafana, Datadog) and strong incident response discipline.
- •Clear written communication and the ability to turn ambiguous data requirements into simple, reliable designs.
Required skills
AirflowBigQueryTerraformPrometheusGrafanaDatadogKubernetesPythonSQL
Nice-to-have skills
DagsterPrefectSparkSnowflakeDatabricksRedshiftGoogle CloudAWS
Domain expertise
ai
Benefits & perks
Medical, Dental, and Vision benefits for you and your family, Life Insurance and Disability Benefits, Retirement Plan (e.g., 401K, pension), Parental Leave, Fertility and family building benefits through Carrot, Monthly stipend to support your wellness, lifestyle, and work-life balance, Daily lunches and snacks in the office to keep you at your best, Take what you need vacation policy
Tech stack
PythonAirflowBigQueryTerraformPrometheusGrafanaDatadogKubernetesGoogle CloudAWSAzureDagsterPrefectSparkSnowflakeDatabricksRedshift