GroundTruth Tech Stack

Location-based advertising platform measuring in-store visit attribution

Advertising Services New York, NY 201–500 employees Founded 2009 Privately Held

GroundTruth operates a location-based advertising platform that connects ad campaigns to physical store visits. The tech stack reflects a mature data infrastructure—Python, Java, Spark, Airflow, Redshift—built around high-volume ETL and real-time bidding. Current project focus on real-time advertising bidders, attribution pipelines, and location platform improvements suggests the company is optimizing its core feedback loop: observing consumer location behavior, targeting ads, and measuring store conversion. Hiring velocity is decelerating (2 roles in 30 days), with a small, sales-led team anchoring customer relationships.

Tech Stack 41 technologies

Core StackC++ Python AWS AWS Lambda Apache Spark AWS Glue Hadoop Apache Iceberg Java Apache Airflow Docker Looker JavaScript Zendesk FastAPI Redshift Perl Git AWS EMR AWS ECS AWS Step Functions MapReduce SQL REST API Flashtalking GIS HTML5 Fiddler Charles Excel+3 more

What GroundTruth Is Building

◆Challenges

Streamlining accounting workflows
Automating recurring tasks
Ensuring accurate consolidated financials
High-volume low-latency system
Cost performance
Real-time advertising bidder
Optimising ad performance
Accurate real-world attribution
Scalable data pipelines
Streamlining operations

▲Active Projects

Etl infrastructure
Ai and automation initiatives
Real-time advertising bidder
Index file generation
Attribution data pipelines
Location platform improvement
Customer-facing application development
Ingestion pipeline creation
Network upgrades for product initiatives
Inventory bundling and creation

Hiring Activity

Decelerating10 roles · 2 in 30d

Department

Sales

Engineering

Data

Finance

Marketing

Ops

Seniority

Junior

Senior

Director

Manager

Mid

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About GroundTruth

GroundTruth is an advertising technology company founded in 2009 and headquartered in New York. The platform targets advertisers seeking to drive foot traffic and sales through location-aware campaigns. The product observes real-world consumer behavior—location signals, purchase data—to create targeted ad placements across mobile and web, then measures whether exposed consumers visit store locations or complete transactions. The company operates a data-intensive infrastructure spanning ingestion, transformation, and bidding, serving mid-market and enterprise advertisers with performance-based outcomes.

HeadquartersNew York, NY

Company Size201–500 employees

Founded2009

Hiring MarketsUnited States, India

Frequently Asked Questions

What tech stack does GroundTruth use?

GroundTruth runs C++, Python, Java, and SQL on AWS infrastructure (EC2, EMR, ECS, Lambda, Step Functions, Glue, Redshift). Data pipelines use Apache Spark, Airflow, and Hadoop. Analytics layer runs Looker; ad delivery uses Flashtalking.

What is GroundTruth working on?

Current projects include real-time advertising bidders, attribution data pipelines, ETL infrastructure, location platform improvements, and inventory bundling. Teams are also focused on ingestion pipeline creation and network upgrades.