Rinkel Tech Stack

Virtual phone numbers and business communications for freelancers and SMBs

Telecommunications Rotterdam, South Holland 11–50 employees Privately Held

Rinkel operates a virtual phone system for self-employed professionals and small businesses in the Netherlands, letting users manage business calls and messaging from their mobile phone without additional hardware. Their tech stack (Laravel, MySQL, Redis, MongoDB, Docker) reflects a lean, backend-heavy engineering approach, while their active projects—data-driven invoicing, customer segmentation, experiment automation for churn—signal a shift from pure telecom infrastructure toward product-led retention and automation.

Tech Stack 13 technologies

Core StackIntercom HubSpot Mixpanel Laravel MySQL Redis MongoDB Docker WhatsApp Google Analytics 4 Appcues Git PHPUnit

What Rinkel Is Building

◆Challenges

Rapid growth support capacity
Technical escalation volume
High volume customer support
Reducing churn
Rapid growth requiring marketing support
Scaling sustainably
Expanding backend platform
Scaling backend platform

▲Active Projects

Data-driven invoicing and customer insights features
Backend services and internal apis
Background processes and real-time data streams
Optimizing automated communication
Expanding internal knowledge base
Customer segmentation and optimization
Experiment automation for onboarding and churn prevention
Customer campaign development via email and app

Hiring Activity

Accelerating5 roles · 4 in 30d

Department

Engineering

Support

Marketing

Seniority

Mid

Senior

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About Rinkel

Rinkel is a Netherlands-based telecommunications provider serving freelancers and entrepreneurs with virtual phone numbers and business communications features. The platform allows users to present a professional business line from their mobile device, eliminating the need for separate hardware or phone lines. Core features include number management, call handling, messaging, and communication automation. The company operates with 11–50 employees and is currently accelerating hiring, particularly in engineering and support roles, to manage growth in customer volume and technical capacity.

HeadquartersRotterdam, South Holland

Company Size11–50 employees

Hiring MarketsNetherlands

Frequently Asked Questions

What tech stack does Rinkel use?

Rinkel's backend runs on Laravel, MySQL, Redis, and MongoDB, deployed with Docker. Frontend and operations tools include HubSpot, Intercom, Mixpanel, and Google Analytics 4.

What is Rinkel working on?

Active projects include data-driven invoicing, backend service expansion, real-time data streams, customer segmentation, churn-prevention experiments, and email and in-app campaign automation.