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Q42 Tech Stack

Digital product studio building consumer and enterprise apps for Dutch market leaders

Technology, Information and Internet Rotterdam, Zuid-Holland 51–200 employees Founded 2000 Privately Held
q42.nl LinkedIn

Q42 is a 120-person product engineering studio in Rotterdam building apps, websites, and connected devices since 2000. The stack spans full-stack web (.NET, Node.js, React, Vue, Svelte), mobile (React Native, Kotlin, Swift), and backend infrastructure (Go, Python, Docker, GCP). Hiring is heavily weighted toward senior engineers (15 of 20 open roles), with minimal sales presence, suggesting a reputation-driven, project-focused business model rather than high-velocity outbound sales.

Tech Stack 23 technologies

Core Stack.NET Node.js Go React Native Python Django Docker Kotlin Swift Slack Java OpenTelemetry React Vue Svelte Wagtail Android iOS Kotlin Multiplatform Ktor GCP Nuxt SvelteKit

What Q42 Is Building

◆Challenges

  • Integrating with other systems
  • Scaling high-traffic websites
  • Improving cross-project architecture
  • Adding new features
  • Lack of precise information for planning
  • Helping patients find appropriate help
  • Scalability of high-traffic sites
  • Balancing business goals and user experience
  • Scalability challenges
  • Project architecture improvement

▲Active Projects

  • Coolblue job site
  • Rijksmuseum
  • Greenchoice
  • Secrid
  • Lowlands website
  • Pathé app
  • Picl app
  • Madurodam app
  • Concertgebouw webapp
  • Hema app native shop

Hiring Activity

Steady20 roles · 7 in 30d

Department

Engineering
16
Sales
2
HR
1

Seniority

Senior
15
Manager
2
Mid
2
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About Q42

Q42 designs and ships digital products for large Dutch organizations and cultural institutions. Their portfolio spans consumer apps (Philips Hue, HEMA, Rijksmuseum), media platforms (Lowlands, Pathé, Concertgebouw), and job marketplaces (Coolblue). The company operates as part of Eidra, a larger group focused on strategy and engineering. Work ranges from greenfield product development to architectural upgrades on high-traffic platforms, with recurring pain points around system integration, scaling, and cross-project consistency. The organization is based in Rotterdam with a secondary office in Amsterdam.

HeadquartersRotterdam, Zuid-Holland
Company Size51–200 employees
Founded2000
Hiring MarketsNetherlands

Frequently Asked Questions

What tech stack does Q42 use?

Q42 primarily uses .NET, Node.js, Python, and Go for backend; React, Vue, Svelte for frontend; React Native, Kotlin, and Swift for mobile; and GCP for infrastructure deployment.

What products has Q42 built?

Q42's notable projects include Philips Hue, Rijksmuseum digital platform, HEMA native shopping app, Coolblue job site, Pathé app, Lowlands website, and Concertgebouw webapp.

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