charles Tech Stack

Conversational AI and CRM automation for messaging-first customer engagement

Software Development Berlin 51–200 employees Founded 2019 Privately Held

Charles builds conversational AI agents integrated with CRM platforms, targeting mid-market and SMB marketing teams. The stack spans HubSpot, Pipedrive, and Salesforce alongside Node.js, TypeScript, Python, and PostgreSQL — a mix suited to both rapid API integration work and real-time messaging infrastructure. Current hiring focuses on engineering roles, consistent with active projects around API connectors, performance optimization, and SMB onboarding.

Tech Stack 13 technologies

Core StackHubSpot Salesforce Node.js TypeScript Java Go Rust Python Intercom Jira PostgreSQL Pipedrive LinkedIn

What charles Is Building

◆Challenges

Business transformation needs
Improving response times
Streamlining support processes

▲Active Projects

Ai-powered conversational features
Charles api integration with crms/cdps/shop systems
Performance monitoring and data-driven improvements
Onboarding smbs

Hiring Activity

Accelerating5 roles · 2 in 30d

Department

Engineering

Sales

Support

Seniority

Mid

Junior

Senior

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About charles

Charles is a Berlin-based conversational AI and CRM platform founded in 2019, operating as a Meta Solution Partner. The product enables marketing and CRM teams to automate customer engagement through messaging apps, complementing existing channels with personalized flows triggered by customer events. The platform integrates with established CRM and ecommerce systems including HubSpot, Pipedrive, Salesforce, Shopify, Klaviyo, Emarsys, and Zendesk. The company supports GDPR compliance and omnichannel data strategies across a team of 51–200 employees based in Berlin.

HeadquartersBerlin

Company Size51–200 employees

Founded2019

Hiring MarketsGermany

Frequently Asked Questions

What CRM platforms does Charles integrate with?

Charles integrates with HubSpot, Pipedrive, Salesforce, Shopify, Klaviyo, Emarsys, and Zendesk, enabling teams to activate customer data across messaging apps and omnichannel workflows.

What tech stack does Charles use?

The stack includes Node.js, TypeScript, Python, Java, Go, Rust, and PostgreSQL for backend services, alongside HubSpot, Pipedrive, Salesforce, LinkedIn, Intercom, and Jira for operational tools.

Is Charles hiring engineers?

Yes. Charles has 2 active engineering roles (1 mid-level, 1 junior) as part of 5 total open positions, with hiring centered in Germany.