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Which? Tech Stack

UK consumer advocacy and product-testing nonprofit

Non-profit Organizations London, Greater London 501–1,000 employees Founded 1957 Nonprofit
which.co.uk LinkedIn

Which? operates as the UK's independent consumer watchdog, running product reviews, consumer research, and policy advocacy with a 501–1,000-person team based in London. The tech stack (TypeScript, Node.js, React, AWS, Terraform) paired with active hiring across engineering, security, and ops—plus four concurrent projects including a greenfield B2B platform and Microsoft 365 migration—signals heavy infrastructure work. The pain-point list (3rd-party API integration at scale, large-scale system migration, employee adoption) maps directly to these projects, suggesting a nonprofit managing both public-facing digital transformation and internal operational complexity.

Tech Stack 10 technologies

Core StackTypeScript Node.js React React Native AWS Terraform Microsoft Office Google Workspace Teams Microsoft 365

What Which? Is Building

◆Challenges

  • Consumer harm
  • Barriers to change
  • Protecting consumer rights
  • Greenfield b2b platform development
  • 3rd party api integration at scale
  • Large-scale microsoft 365 migration
  • Employee adoption of new systems

▲Active Projects

  • Digital policy programme
  • New b2b platform development
  • Microsoft 365 migration
  • Change management strategy implementation

Hiring Activity

Accelerating8 roles · 5 in 30d

Department

Ops
2
Policy
2
Engineering
1
Marketing
1
Sales
1
Security
1

Seniority

Senior
6
Manager
1
Mid
1
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About Which?

Which? is an independent, nonprofit consumer champion founded in 1957 that operates across product testing, consumer research, policy advocacy, and regulatory campaigns. The organisation conducts rigorous product reviews, publishes impartial consumer advice, and investigates consumer harm—from online scams to unsafe products—while directly influencing UK policy and holding businesses accountable. Revenue comes entirely from membership and charitable funding; the organization accepts no advertising or manufacturer sponsorships. The 501–1,000-person workforce spans operations, policy, engineering, marketing, sales, and security, with headquarters in London.

HeadquartersLondon, Greater London
Company Size501–1,000 employees
Founded1957
Hiring MarketsUnited Kingdom

Frequently Asked Questions

What tech stack does Which? use?

TypeScript, Node.js, React, React Native, AWS, and Terraform. They also use Microsoft 365, Google Workspace, and Teams for internal collaboration.

What is Which? working on?

Four primary projects: a digital policy programme, new B2B platform development, Microsoft 365 migration, and change management strategy implementation. The B2B platform and system migration are driving engineering and infrastructure work.

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