STAFF ENGINEER, DATA PLATFORM ABOUT NATIONGRAPH NationGraph is building the data and intelligence layer for the public sector. * More than 110,000 state and local government agencies across the U.S. independently publish information about: * How they operate * What they buy * Who they work with * What problems they are trying to solve * That information is fragmented across millions of websites, documents, databases, procurement systems, meeting records, and public records. * NationGraph turns that information into structured, connected, actionable intelligence for businesses selling to government. * Founded in 2024, NationGraph is dedicated to making uncommon knowledge common, because public data should actually be public. THE ROLE We’re looking for a Staff Engineer, Data Platform to own one of the most important technical problems at NationGraph: turning the outside world’s fragmented government information into a proprietary data advantage. This is not a traditional data engineering role focused on maintaining a warehouse or internal analytics. You’ll own the technical ecosystem that: * Discovers external data * Acquires it reliably * Understands and extracts information from it * Normalizes and connects it * Validates its quality * Makes it available to NationGraph’s products and models The scope starts with more than 110,000 independent state and local government agencies, but extends to federal data, Canada, and eventually public-sector information globally. You’ll work across: * Data engineering * Distributed systems * Information retrieval * Data modeling * LLMs and agents * Applied ML * Entity resolution * Knowledge graphs You’ll partner closely with Product, ML Research, and Infrastructure to determine both: * How we acquire data * What data NationGraph should have that nobody else does WHAT YOU’LL DO * Own our external data platform end-to-end * Design systems spanning discovery, acquisition, extraction, normalization, entity resolution, validation, storage, serving, and monitoring. * Establish the architecture and abstractions other engineers build on. * Map the world of government data * Develop a deep understanding of where government information lives. * Understand how it is published, how it changes, and how information across thousands of institutions can be connected. * Build systems for messy, real-world data * Work across government websites, APIs, procurement systems, PDFs, spreadsheets, meeting records, and public records. * Build for changing schemas, broken sources, conflicting records, and edge cases. * Use AI to rethink the traditional data stack * Work with our ML Research team to use LLMs, agents, and emerging models to: * Discover new sources * Understand unfamiliar schemas * Extract structured information * Resolve entities * Monitor data quality * Detect when sources change * Build proprietary data flywheels * Create systems where more data improves our models. * Use better models to discover and understand more data. * Continuously expand NationGraph’s underlying knowledge graph. * Set technical direction * Define the architecture for how NationGraph acquires and represents public-sector information. * Make decisions that will shape the platform over the next several years. * Help determine which technical investments create the strongest long-term data advantage. YOU MIGHT BE A GOOD FIT IF * You’re an unusually strong engineer who genuinely enjoys working with data. * You’ve owned significant production data systems end-to-end. * You enjoy the detective work of making sense of unfamiliar, messy datasets. * You’re strong in Python, Go, or another systems/backend language. * You’re highly proficient with SQL. * You understand distributed data systems, including: * Orchestration * Idempotency * Backfills * Retries * Observability * Lineage * Failure recovery * You have experience with one or more of: * Large-scale external data * Crawling * Information retrieval * Entity resolution * Knowledge graphs * Document processing * You’re excited about using LLMs and modern ML as components of data infrastructure. * You care deeply about data quality, correctness, and reliability. * You have strong product judgment and can reason about what data is actually worth acquiring, not just how to acquire it. * You thrive in ambiguity and would rather create the architecture than be handed one. We’re particularly interested in backgrounds spanning: * Alternative data * Quantitative research infrastructure * Search and crawling * AI data infrastructure * Knowledge graphs * Large-scale document processing * Data aggregation None of these are requirements. OUR ENGINEERING STACK * Backend: Python, Go, PostgreSQL * Infrastructure: Redis, Docker, Kubernetes * Frontend: React, TypeScript * AI / ML: LLMs, agents, proprietary models, and emerging frontier-model research Our stack will evolve. At Staff level, you’ll help decide how. WHY NATIONGRAPH * Own a foundational problem * A large part of this architecture still needs to be invented. * You’ll have significant ownership over how NationGraph discovers, acquires, represents, and serves public-sector information. * Work on a genuinely hard data problem * There is no single API for American government. * There are tens of thousands of institutions, millions of sources, inconsistent schemas, and enormous amounts of information buried in systems never designed for machines. * Build a real data moat * We believe a major long-term advantage in applied AI will come from proprietary context and data. * Government contains enormous amounts of valuable information that is technically public but practically inaccessible. * Your job is to change that. * Work with exceptional people * You’ll work closely with the CEO, CTO, and a small engineering and research team. * The team has backgrounds spanning high-scale infrastructure, quantitative finance, AI, and startups. * Have real ownership * We move quickly. * We operate with very little bureaucracy. * Engineers have significant ownership over technical decisions and product outcomes. If the idea of building the data infrastructure to map and understand how government works sounds exciting, we’d love to talk.

Staff Engineer, Data Platform

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