Company profile

Sendbird Tech Stack

Conversational AI agent and communication API platform for brand customer experience

Software Development San Mateo, California 201–500 employees Founded 2013 Privately Held

Sendbird builds chat and messaging APIs plus an AI concierge product, Delight.ai, for branded customer experience. Its stack pairs OpenAI, LangChain, RAG and Llama 2 with Python, Node.js and native mobile SDK languages (Swift, Kotlin), pointing to an LLM agent layer built on top of existing messaging infrastructure. Security makes up an unusually large share of a small, slowing hiring mix, with job posts focused on multi-cloud hardening and CI/CD-embedded security tooling.

Tech Stack 51 technologies

Core StackPython JavaScript TypeScript Next.js React Node.js Django Express.js OpenAI LangChain RAG Slack Swift Kotlin CircleCI Jira Confluence Figma Adobe Illustrator React Native Llama 2 Photoshop EDR ZTNA SCIM DLP MITRE ATT&CK DKIM DMARC Unity+17 more

What Sendbird Is BuildingChallenges and projects from their job posts

◆Challenges

Delivering low-latency voice experiences
Scaling AI agent platform on conversation infrastructure
Maintaining agent memory across channels
Growing threat surface at global scale
Shifting away from reactive security culture

▲Active Projects

Delight.ai AI agent for enterprise CX
Core agent platform capabilities
Voice AI integration
RAG pipelines
Secure multi-cloud infrastructure
Product security tooling embedded in CI/CD

Hiring Activity

Decelerating10 roles · 1 in 30d

Department

Engineering

Security

Marketing

Product

Sales

Seniority

Senior

Mid

Director

Junior

Lead

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About Sendbird

Sendbird is a privately held software company founded in 2013 and headquartered in San Mateo, California, with 201–500 employees. It offers two product lines: a communication API and SDK suite for embedding chat and business messaging into apps, and Delight.ai, an AI agent product for customer service and support. Its specialties span chat APIs, SMS AI agents and communication platform as a service for brands. The company hires in the United States and South Korea.

HeadquartersSan Mateo, California

Company Size201–500 employees

Founded2013

Hiring MarketsSouth Korea, United States

Frequently Asked Questions

What tech stack does Sendbird use?

Sendbird uses Python, Django, Node.js, Express.js, TypeScript, React and Next.js, plus Swift, Kotlin and React Native for mobile SDKs. Its AI layer runs on OpenAI, LangChain, RAG and Llama 2, with CircleCI for CI.

What is Sendbird working on?

Job posts center on Delight.ai, an AI agent for enterprise customer experience, core agent platform capabilities, voice AI integration, RAG pipelines and secure multi-cloud infrastructure.

What countries does Sendbird hire in?

Sendbird hires in the United States and South Korea, with current openings concentrated in engineering and security, plus single roles in marketing, product and sales.

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How this profile is built

Sendbird'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.