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Braintrust Tech Stack

AI observability platform for production LLM monitoring and evaluation

Software Development San Francisco 51–200 employees Founded 2023 Privately Held
braintrust.dev LinkedIn

Braintrust operates an observability and evaluation platform for AI systems in production. The engineering-forward tech stack—TypeScript, Python, Go, Rust, PostgreSQL, Redis, OpenTelemetry, plus integrations with OpenAI, Anthropic, and Gemini—reflects a company building deep instrumentation across LLM pipelines. Active projects center on open-source tracing SDKs, real-time data pipelines (likely Snowflake + dbt), and customer onboarding automation, signaling a product moving from monitoring into self-service deployment.

Tech Stack 50 technologies

Core StackVite TypeScript JavaScript Go OpenAI Anthropic OpenTelemetry Python Node.js Rust PostgreSQL Redis Terraform Docker AWS Grafana Prometheus Datadog Kubernetes Slack esbuild SWC Turbopack pnpm SLSA Gemini CI/CD Azure GCP Discord+19 more

What Braintrust Is Building

◆Challenges

  • Ensuring reliability and observability
  • Lack of ai observability
  • Supporting customer self-hosting
  • Expanding west region sales
  • Reducing ai regressions
  • Removing engineer friction
  • Supply chain hardening
  • Ensuring cloud compliance
  • Reducing alert noise
  • Maintaining multi-cloud security posture

▲Active Projects

  • Automation tools for testing and profiling
  • Develop open source libraries for tracing llm calls
  • Develop gtm strategy
  • Close key customer accounts
  • Open-source sdks for ai observability
  • Terraform module development for internal and customer deployments
  • Build technical artifacts for onboarding
  • Build highly available real-time data pipelines
  • Customer onboarding and implementation of observability pipelines
  • Own snowflake and dbt infrastructure

Hiring Activity

Accelerating65 roles · 25 in 30d

Department

Engineering
26
Sales
24
Support
4
Data
3
Security
3
Marketing
2
Product
2
Design
1

Seniority

Senior
48
Mid
10
Manager
3
Director
2
Junior
1
Lead
1
VP
1

Notable leadership hires: Sales Director

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About Braintrust

Braintrust provides an observability and evaluation layer for AI applications in production, helping teams measure and improve LLM performance at scale. The platform connects evaluation workflows with observability signals in a single interface. The company operates a balanced sales and engineering organization (each ~24–26 headcount), with notable infrastructure work around Snowflake, dbt, and Terraform automation. Customer base includes infrastructure and AI-native companies. Founded in 2023, Braintrust is headquartered in San Francisco and actively hiring across engineering, sales, and support, with international presence in the UK and Singapore.

HeadquartersSan Francisco
Company Size51–200 employees
Founded2023
Hiring MarketsUnited States, United Kingdom, Singapore

Frequently Asked Questions

What tech stack does Braintrust use?

TypeScript, Python, Go, Rust, PostgreSQL, Redis, OpenTelemetry, Docker, Kubernetes, Terraform, AWS/GCP/Azure, and integrations with OpenAI, Anthropic, and Gemini APIs.

Where is Braintrust headquartered?

San Francisco. The company also hires in the United Kingdom and Singapore.

How this profile is built

Braintrust'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.