H1 Tech Stack

AI-powered provider data platform connecting healthcare organizations with clinical professionals

Software Development New York, NY 201–500 employees Founded 2017 Privately Held

H1 operates a data-heavy healthcare platform built on Apache Spark, Databricks, and PostgreSQL, with TensorFlow and PyTorch for AI workloads — a classic data-engineering stack. The company is actively scaling distributed ETL pipelines and entity resolution (via their Emerald platform) to handle provider data ingestion and enrichment at volume. Hiring skews heavily toward data roles (6 of 20 active positions), with senior/staff engineers and directors, reflecting infrastructure-scaling and data-quality challenges as their primary operational constraint.

Tech Stack 31 technologies

Core StackApache Spark PySpark Salesforce ZoomInfo Jira Python Lever Greenhouse JavaScript PostgreSQL AWS Apache Airflow TensorFlow PyTorch Databricks Delta Lake Kubernetes .NET Vue SQL Server Amazon EKS SalesLoft Outreach AWS EMR AWS EKS Azure Entity Framework Salesforce Sales Cloud Salesforce Data Cloud Salesforce Revenue Cloud+1 more

What H1 Is Building

◆Challenges

Scaling data platform to meet demand
Expansion opportunities
Integrating models into clinical workflows
Ensuring data accuracy at scale
Improving platform scalability and reliability
Top-of-funnel growth
Pipeline growth
Conversion rate improvement
Provider and network data accuracy
Data quality and interoperability

▲Active Projects

Clinical data platform
Multi-year account strategy
Distributed etl/elt pipelines
Spark workload optimization
Emerald entity resolution platform
Automatching and enrichment workflows
Distributed spark/pyspark pipelines for healthcare data processing
Hcp data ingestion, processing and scoring
Improve data quality and interoperability
User training sessions

Hiring Activity

Accelerating20 roles · 20 in 30d

Department

Data

Product

Sales

Support

Engineering

Healthcare

Ops

Seniority

Senior

Junior

Staff

Director

Mid

Manager

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About H1

H1 connects healthcare organizations with the right clinical professionals through an AI-powered platform built on a global dataset of healthcare providers. The product serves pharmaceutical, medical research, health plan network, and patient-matching use cases. The platform ingests, processes, and enriches healthcare professional data using distributed Spark pipelines and machine-learning models, then surfaces it through Salesforce integrations and proprietary workflows. The company operates across the US and India, with 201–500 employees founded in 2017.

HeadquartersNew York, NY

Company Size201–500 employees

Founded2017

Hiring MarketsUnited States, India

Frequently Asked Questions

What is H1's tech stack?

H1 uses Apache Spark, PySpark, Databricks, PostgreSQL, and AWS (EMR, EKS) for data processing. TensorFlow and PyTorch power AI workflows. Salesforce (Sales Cloud, Data Cloud, Revenue Cloud) integrates with Outreach and SalesLoft for go-to-market. Entity resolution and enrichment run on Delta Lake.

Where is H1 headquartered?

New York, NY. The company also hires in India and operates globally to support healthcare provider data collection and enrichment.

How this profile is built

H1's technology stack, projects, and hiring signals are inferred from public hiring and company data — career pages, public listings, and company web presence — then clustered and de-duplicated. Figures are estimates that refresh over time. Read our full methodology →

This is not an official vendor or customer list. It is a technology-adoption signal inferred from public data, intended for B2B research.