Start.io Tech Stack

Real-time mobile advertising platform with first-party audience data

Advertising Services New York, NY 51–200 employees Founded 2010 Privately Held

Start.io operates a sell-side advertising platform processing hundreds of millions of ads daily across mobile apps and websites. The tech stack reveals a mature, data-intensive operation: Kafka and Pub/Sub for event streaming, Kubernetes and containerization (Docker) for orchestration, XGBoost and LightGBM for audience modeling, and dual inference engines (Triton, TorchServe, BentoML) suggesting active ML deployment in the ad-serving pipeline. Current hiring is concentrated in product and sales (4 of 5 open roles), with all activity in Poland, indicating geographic expansion of nearshore operations.

Tech Stack 31 technologies

Core StackMongoDB Jira Python FastAPI Kafka Kubernetes AWS Redis Prometheus Grafana OpenTelemetry Docker PySpark Aerospike Testmo TestRail DSP Prebid Triton Inference Server TorchServe BentoML Pub/Sub GCP OCI Bigtable AWS SQS Vertica XGBoost LightGBM Kibana+1 more

What Start.io Is Building

◆Challenges

Improving in-app sdk monetization
Expanding publisher supply base
Growing supply footprint
Building supply-side foundation

▲Active Projects

In-app sdk monetization
Grow start.io's supply footprint
Onboard new publisher partnerships
Represent start.io at industry conferences

Hiring Activity

Accelerating5 roles · 5 in 30d

Department

Product

Sales

Engineering

Seniority

Senior

Junior

Manager

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About Start.io

Start.io is a mobile advertising and publisher monetization platform built around first-party audience data signals. The company serves both supply-side (publisher monetization, in-app SDK distribution) and demand-side (advertiser campaigns) use cases, accessing over 100 billion anonymized first-party data signals daily to power ad targeting and audience insights. Headquartered in New York with 51–200 employees, Start.io has been operating since 2010. Core product focuses include user acquisition campaigns, mobile publisher partnerships, and brand-tier advertising.

HeadquartersNew York, NY

Company Size51–200 employees

Founded2010

Hiring MarketsPoland

Frequently Asked Questions

What tech stack does Start.io use?

Start.io uses MongoDB and Aerospike for data storage, Kafka and Pub/Sub for streaming, Kubernetes and Docker for infrastructure, XGBoost and LightGBM for ML models, and Triton Inference Server, TorchServe, and BentoML for model serving. Analytics runs on Vertica with Prometheus, Grafana, and Kibana for monitoring.

Where is Start.io headquartered?

Start.io is headquartered in New York, NY. The company was founded in 2010 and is privately held with 51–200 employees.

How this profile is built

Start.io'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.