Senior / Staff Backend Engineer, Maps

Responsibilities

• Own the data foundation under the geocoder, including how location data is modeled, kept consistent, and served reliably across Scala, Python, and Rust.
• Build pipelines that combine commercial and open data sources, expanding coverage and quality across US and international data.
• Bring LLMs and agents into the data layer for enrichment, labeling, and quality, with guardrails to keep them trustworthy.
• Work across the geocoding stack as needed, from the HorizonDB serving path to the Node.js/TypeScript API.
• Power more than 1 billion API calls per day.
• Talk to customers and prospects, incorporate feedback, and help make them successful.

Requirements

• Generalist engineering mindset rather than being tied to a particular stack.
• Interest in talking to customers or prospects and helping them succeed.
• Deep curiosity about how systems work and tenacity with difficult problems.
• Most engineers participate in the on-call rotation.

Nice-to-haves

• Former technical co-founder.
• Experience with high-throughput, high-growth SaaS applications.
• Geospatial infrastructure experience.
• Large-scale data pipelines or data-integration systems.
• LLMs in data or ML pipelines for enrichment, labeling, or evaluation.

Technical Environment

• HorizonDB, a geospatial database written in Rust.
• Tantivy, RocksDB, and FSTs for indexing.
• ML models for query understanding and ranking.
• Scala and Python data pipelines on Airflow.
• Node.js and TypeScript API layer.
• MongoDB, S3/Athena, and Redis.
• AWS, Kubernetes on EKS, and Terraform.

Compensation and Benefits

• Competitive salary.
• Meaningful stock options.
• 401(k) plan with 4% match.
• Top-notch equipment.
• Catered lunches.
• Unlimited PTO.
• Health, dental, and vision insurance with 100% employee coverage.
• 12 weeks of paid parental leave.
• Commuter and fitness benefits.
• Benefits may vary by location.