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Fiddler AI Tech Stack

AI Observability and security platform for ML and GenAI applications

Software Development Palo Alto, CA 51–200 employees Founded 2018 Privately Held

Fiddler AI builds observability and guardrailing infrastructure for production AI systems. The stack spans Python, Kafka, Snowflake, Databricks, and LangChain—a production-grade foundation for monitoring and securing ML pipelines. The hiring mix is heavily weighted toward sales (14 roles) relative to engineering (7), with a disproportionate number of senior and staff positions—indicating a late-stage go-to-market push into enterprises managing AI risk at scale.

Tech Stack 14 technologies

What Fiddler AI Is Building

Challenges

  • Operational transparency and security
  • Trust in ai
  • Risk aperture
  • Operational transparency for ai applications
  • Ensuring ai applications are working well
  • Safety and roi of large language models
  • Accelerate enterprise adoption
  • Responsible deployment of machine learning models
  • Security for ai applications
  • Ensuring ai security

Active Projects

  • Co-selling and joint solutions
  • Ai observability deployment
  • High-stakes sales engagements
  • Strategic partner ecosystem scaling
  • Ai observability platform
  • Monitoring and explaining ai applications
  • Co-selling with cloud partners
  • Audit readiness program
  • Responsible deployment of machine learning models
  • Developing ai observability tools

Hiring Activity

Steady25 roles · 8 in 30d

Department

Sales
14
Engineering
7
Marketing
3
Design
1
Ops
1
Product
1

Seniority

Senior
14
Staff
6
Manager
3
Director
2
Mid
2
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About Fiddler AI

Fiddler AI provides an all-in-one platform for monitoring, explaining, and securing AI applications in production. The product encompasses model observability (visibility into ML and GenAI behavior), AI Security (the Trust Service, which includes guardrails and content moderation controls), and audit/compliance tooling. The company operates across two geographies (United States and India) and targets Fortune 500 organizations deploying AI agents, large language models, and ML systems. Active projects center on cloud partnerships, enterprise sales motions, and audit readiness—signaling a focus on regulated industries and organizations with strict AI governance requirements.

HeadquartersPalo Alto, CA
Company Size51–200 employees
Founded2018
Hiring MarketsUnited States, India

Frequently Asked Questions

What tech stack does Fiddler AI use?

Python, Kafka, Snowflake, Databricks, Apache Airflow, LangChain, LlamaIndex, AWS, GCP, NVIDIA, and JavaScript. The stack reflects a production ML monitoring and GenAI orchestration foundation.

What are Fiddler AI's core products?

AI Observability (monitoring and explaining ML/GenAI applications), the Trust Service (guardrails and content moderation for AI agents), and audit/compliance tools. The platform targets Fortune 500 organizations managing AI risk and responsible deployment.

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