Blis Tech Stack

Audience planning and omnichannel ad buying powered by location and behavioral data

Advertising Services London, England 201–500 employees Founded 2004 Privately Held

Blis operates an integrated advertising platform combining location data with behavioral and demographic signals to target high-value audiences without reliance on personal identifiers. The tech stack is heavily data-first—Apache Druid, Spark, Airflow, and BigQuery form the backbone—with active work on GCP pipeline security and cloud compute efficiency. Hiring velocity is accelerating across data and engineering (7 roles each, mostly senior-level), reflecting investment in scaling pipelines to 10x and rearchitecting core systems.

Tech Stack 58 technologies

Core StackApache Airflow Python Apache Spark BigQuery Pandas scikit-learn NumPy Linux JavaScript TypeScript React Playwright C++ PHP Java Apache Druid GCP Hive AWS Athena SciPy MLlib CSS RTK Query React Testing Library Unix Windows Bash HTML Android iPhone+24 more

What Blis Is Building

◆Challenges

Scaling data pipelines
Ensuring secure automated pipelines
Optimizing cloud compute efficiency
Troubleshooting campaign challenges
Large-scale system re-architecture
Certifying new servers and tools
Expanding sales pipeline
Troubleshooting ad campaign issues
Integrating third-party ad technologies
Scaling to 10x level

▲Active Projects

Secure automated scalable pipelines on gcp
Large scale data processing pipelines
Post campaign analysis & quarterly business reviews
Internal pipeline system updates
Month end billing reconciliation
Media and creative strategy planning
Deep relationship building and account management of omg
Stable production level pipelines maximizing cloud compute efficiency
Apache druid platform maintenance
New data stream exploration

Hiring Activity

Accelerating30 roles · 20 in 30d

Department

Sales

Data

Engineering

Support

Finance

Marketing

Seniority

Senior

Manager

Mid

Staff

Lead

Notable leadership hires: Client Services Lead

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About Blis

Blis is a UK-based advertising technology company founded in 2004, now operating across more than 40 offices in five continents. The platform serves as an integrated planning and buying layer for brands and media agencies, delivering targeted campaigns across channels using location-powered and behavioral audience data. The product surfaces campaign performance metrics including brand awareness, engagement, store visits, and sales attribution. Core operations center on building and maintaining large-scale data processing pipelines, post-campaign analysis, and client account management—with ongoing focus on pipeline stability, cloud cost optimization, and third-party ad tech integration.

HeadquartersLondon, England

Company Size201–500 employees

Founded2004

Hiring MarketsIndia, United States, Netherlands, Australia, United Kingdom, Italy

Frequently Asked Questions

What is Blis's tech stack?

Blis runs on Apache Druid, GCP, Apache Airflow, and BigQuery for data infrastructure; Python, Spark, and scikit-learn for analytics; and React, JavaScript, and TypeScript for frontend. Infrastructure spans AWS Athena, Linux, and Unix.

Where is Blis headquartered?

Blis is headquartered in London, England. The company was founded in 2004 and operates offices across five continents.