Software Engineer, Data Infrastructure (Staff)
LightfieldCRM company
San Francisco, United StatesLead
Greylock
Coatue Management
8VC
GV
Audacious Ventures
Neo
Software Engineering
About the role
TL;DR
Build and scale data infrastructure for an AI-native CRM, focusing on high-volume data systems and pragmatic architecture.
- •Lightfield is an AI-native CRM that assembles itself from your email, calendar, and meetings.
- •We're building the infrastructure foundation for a fast-growing AI product company serving thousands of customers, with significant scaling pressure across backend systems, infrastructure, and data infrastructure.
- •Key Responsibilities Scale the analytics engine behind customer-facing dashboards, tackling query performance under row-level security, workload isolation, read architecture, and observability.
- •Design ingestion paths, event models, schemas, and query patterns for data movement from transactional writes into search, dashboards, and history.
- •Evolve our schema-flexible, graph-shaped data model for fast querying as size and complexity grow.
- •Build foundations for historical reporting and auditability, including attribute versioning, relationship history, and change capture.
- •Decide when existing architecture is sufficient and when new analytical, streaming, or workflow systems are needed.
- •Requirements Strong software engineering fundamentals.
- •Experience owning production data systems where query plans, replication lag, backfills, data freshness, schema evolution, or data correctness had real user-facing consequences.
- •Comfort debugging across multiple layers of the stack.
- •Good judgment about tactical fixes vs. durable platform/architecture changes.
- •Product orientation: care about how data infrastructure decisions affect customers, users, and engineering velocity.
Required skills
PostgreSQLRedisSQLPythonTypeScriptCI/CDDockerKubernetes
Nice-to-have skills
SparkElasticsearchAWSGoogle CloudAzureTerraform
Domain expertise
aiproductivity
Benefits & perks
Competitive salary, Meaningful early equity, Health insurance (medical, dental, vision), 3 weeks of PTO, 11 paid company holidays + we enjoy a winter holiday break, 3 months of paid family leave, Wednesdays work from home, Regular team dinners, events, offsites, and retreats, 401k plan, commuter and lunch stipend
Tech stack
PostgreSQLRedisPythonJavaScriptTypeScriptSQLBashGitLinuxDockerKubernetesCI/CDAWSGoogle CloudAzureTerraformSparkElasticsearch