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LanceDB

Open-source, serverless vector database for AI

Senior Solutions Engineer

Full-Time
$180k - $250k/yr
Senior
San Francisco, CA, USA
In PersonMust be based in the San Francisco Bay Area; travel to customer sites as needed.
Solution EngineeringPre-Sales Solution Engineering

About the job

Requirements
  • Have 5+ years of experience in a Sales Engineer, Solutions Engineer, ML Engineer, or AI Infrastructure role supporting AI/ML products or platforms.
  • Have strong knowledge of AI/ML frameworks such as PyTorch or TensorFlow and how they integrate with infrastructure for model training, fine-tuning, and inference.
  • Have hands-on experience with distributed systems such as Ray, Spark, or Kubernetes.
  • Be familiar with cloud services such as AWS, GCP, or Azure, including compute and storage services such as EC2, GKE, or S3.
  • Be able to communicate with technical and non-technical stakeholders and translate complex infrastructure into actionable solutions.
  • Be based in the San Francisco Bay Area and willing to travel to customer sites as needed.
Responsibilities
  • Serve as the technical lead in pre-sales conversations, partnering with account executives to scope, solution, and articulate LanceDB's value for customer-specific workflows.
  • Lead technical discovery and architecture design sessions with prospects across AI infrastructure, LLM operations, and multimodal data pipelines.
  • Build and deliver custom demos and proof-of-concepts to show how LanceDB addresses RAG, vector search, and feature engineering problems.
  • Connect customer pain points with engineering and product teams and inform roadmap priorities with real-world feedback.
  • Partner with design partners and early adopters to support successful onboarding and expansion.
  • Champion developer experience, focusing on documentation, SDK ergonomics, and integration workflows.
Desired Qualifications
  • Have experience building or supporting feature engineering workflows or vector search pipelines.
  • Have worked with feature stores such as Feast or Tecton, or designed custom ML feature pipelines.
  • Have experience in observability and monitoring using Prometheus, Grafana, or ELK/EFK.
  • Be familiar with open-source data and streaming frameworks such as Apache Spark, Flink, Delta Lake, Kafka, or Airflow.
  • Have deep Python skills or be curious about Rust.
  • Be comfortable creating technical content, workshops, or presenting at meetups or conferences.
  • Have experience deploying ML infrastructure in customer environments using tools such as Terraform, Docker, and CI/CD pipelines.
  • Have supported enterprise customers or worked in a customer-facing technical capacity before.

About the company

LanceDB is an open-source vector database designed for AI applications, storing and managing high-dimensional vectors and multimodal data. It runs serverlessly with a compute-storage split to lower costs and offers multiple indexing options, including vector indexes, for fast queries; it provides hybrid search by combining semantic and full-text search as point lookups inside the database. Its open-core model plus a managed cloud (LanceDB Cloud) for enterprises gives it a cost-aware and scalable option compared to traditional managed databases. The goal is to provide developers with a production-ready, scalable, and cost-efficient datastore for AI embeddings and multimodal data, enabling easy deployment and integration for AI-powered apps.

Company Size

51-200

Company Stage

Series A

Total Funding

$38.1M

Headquarters

San Francisco, California

Founded

2022

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Simplify's Take

What believers are saying

  • Series A closed July 22, 2026, led by Theory Ventures and Databricks Ventures.
  • Hugging Face integration and DuckDB SQL retrieval expanded distribution during 2026.
  • Reverie Summit on August 11, 2026, positioned LanceDB inside physical-AI and world-model spending.

What critics are saying

  • Open-source usage can commoditize LanceDB before Enterprise monetization matures in 2026.
  • Databricks, Snowflake, and OpenSearch already bundle adjacent retrieval features, squeezing LanceDB adoption.
  • If LanceDB misses enterprise-scale reliability, customers like ByteDance shift critical workloads elsewhere.

What makes LanceDB unique

  • LanceDB’s Lance format powers multimodal data, with v0.38.0 released August 31, 2026.
  • CrewAI rebuilt agent memory on LanceDB, citing 2B+ executions on August 3, 2026.
  • ByteDance Volcano Engine used Lance for 100K+ QPS and seven-day-to-one-day pipelines.

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Benefits

  • Remote Work Options
  • Hybrid Work Options
  • Flexible Work Hours
  • Health Insurance
  • Dental Insurance
  • Vision Insurance
  • Wellness Program
  • Mental Health Support
  • Professional Development Budget
  • Conference Attendance Budget
  • Stock Options
  • Company Equity

Growth & Insights and Company News

Headcount

6 month growth

3%

1 year growth

3%

2 year growth

3%
LanceDB
Jun 25th, 2025
LanceDB Raises $30M Series A to Build the Multimodal Lakehouse

We have closed another funding round to accelerate development of the Multimodal Lakehouse - a unified platform for AI data infrastructure.

India Pioneer
Jun 24th, 2025
LanceDB Secures $30 Million to Scale Multimodal AI Infrastructure

Bengaluru, June 24, 2025 - LanceDB, an open-source platform designed to handle large-scale multimodal AI workloads, has raised $30 million in its latest funding round.

Finimize
Jun 24th, 2025
LanceDB Secures $30M Series A Funding

LanceDB has secured $30 million in Series A funding to enhance its AI data platform, with major investors like Theory Ventures and Y Combinator participating. The funding will support LanceDB's efforts to integrate multimodal data types, such as text, video, images, and audio, which are crucial for advancing AI capabilities. This investment reflects confidence in LanceDB's strategy to help enterprises manage complex data workflows, essential for future AI models.

SiliconANGLE Media
May 15th, 2024
LanceDB raises $8M to speed up AI models with its open-source vector database

LanceDB raises $8M to speed up AI models with its open-source vector database - SiliconANGLE

TechCrunch
May 15th, 2024
LanceDB, which counts Midjourney as a customer, is building databases for multimodal AI

Backed by Y Combinator, LanceDB this month raised $8 million in a seed funding round led by CRV, Essence VC and Swift Ventures, bringing its total raised to $11 million.