Sendbird Tech Stack

AI-powered communication platform and concierge service for enterprise customer experience

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

Sendbird operates a dual-product strategy: a communication API platform handling billions of monthly conversations, and Delight.ai, a branded AI concierge layer. The tech stack reveals heavy investment in LLM integrations (OpenAI, Claude, LangChain, Anthropic, Llama 2) and RAG pipelines—positioning the company firmly in the shift from API-first infrastructure toward AI-first customer experience. Hiring is sales-led (10 open roles) with security and threat-detection work prominent, reflecting both growth in APAC expansion and hardening of enterprise compliance posture.

Tech Stack 55 technologies

Core StackPython JavaScript TypeScript Next.js React Node.js Django Express OpenAI LangChain RAG Slack Swift Kotlin CircleCI GitHub Actions Jira Confluence Figma Claude Google Workspace Bash macOS Llama 2 Google Docs Google Sheets LinkedIn iOS Android Photoshop+18 more

AdoptingLangChain OpenAI Anthropic Google

What Sendbird Is Building

◆Challenges

Value moving up the stack
Infrastructure commoditization
Replacing commoditized infrastructure
Expanding sales in apac region
Protecting internal systems and saas applications
Scaling sdr engine
Churn reduction
Csat improvement
Complex inquiries
Low-latency voice experience

▲Active Projects

Dashboard design and implementation
Ai agent platform deployments
Delight.ai
Ai agent for enterprise cx
Rag pipeline integration
Vertical solutions integration
Evolution of threat detection and response program
Enterprise security capabilities across endpoints, email, saas, and remote access
Vpn and zero-trust networking infrastructure
Security controls across google workspace

Hiring Activity

Steady35 roles · 10 in 30d

Department

Sales

Engineering

Product

Marketing

Security

Ops

Seniority

Senior

Mid

Lead

Manager

Intern

Junior

Notable leadership hires: Head of Product

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About Sendbird

Sendbird provides communication infrastructure and AI customer experience tools to enterprise brands. The core product is a communication API platform powering chat, SMS, and business messaging; Delight.ai extends this with an AI agent layer for customer support and concierge workflows. The company operates at scale—over 7 billion conversations monthly across 4,000+ customers—with customer base spanning e-commerce, dating, health, and sports sectors. Sendbird is headquartered in San Mateo and maintains engineering and sales presence across the US, UK, and South Korea.

HeadquartersSan Mateo, California

Company Size201–500 employees

Founded2013

Hiring MarketsUnited States, South Korea, United Kingdom

Frequently Asked Questions

What tech stack does Sendbird use?

Python, JavaScript, TypeScript, React, Next.js, Node.js, and Django for backend services. LLM integrations include OpenAI, Claude, Anthropic, and LangChain. Mobile SDKs in Swift and Kotlin; DevOps via GitHub Actions and CircleCI.

What is Sendbird working on?

AI agent platform deployments, RAG pipeline integration, vertical solutions, and enterprise security (threat detection, zero-trust networking, SaaS and email security controls). Also dashboard redesign and Delight.ai feature expansion.