Voop is building the global child-safe phone network — protecting millions of children and adults from digital harm.
About Voop
Awareness has never been higher about the damage smartphones can do to young people, yet almost no one is fixing it.
Voop is building the world’s first safe mobile platform — a new kind of network that replaces traditional telcos and installs intelligent protection on any smartphone.
By combining network-level controls, device-integrated safeguarding software, and AI-powered risk detection, Voop gives parents, carers, schools, and governments the ability to protect without over-restricting — all on the devices that children and adults already use and love.
Our first product, Voop for Care, is live with leading care providers, protecting thousands of vulnerable children in the UK. Next, we’re expanding into consumer markets to make digital safety the default, not the exception.
Backed by leading global investors and built by a world-class team of engineers, designers, and safeguarding experts, Voop is tackling one of the defining challenges of our time: creating a safer digital future at massive scale.
Why Voop
- Mission that matters: Build technology that directly protects children and saves lives.
- Massive opportunity: A $50B+ global market for safe connectivity, with active customers and real revenue.
- World-class team: Alumni from Google, Accenture, Vodafone, Barnardo’s, and law enforcement.
- Momentum: Thousands of users onboarding, millions more in the pipeline.
- Top-tier backing: Supported by global funds committed to fixing smartphones for good.
The Opportunity
As a Mobile App Engineer at Voop, you’ll play a pivotal role in developing and scaling our platform across web and mobile. You’ll work closely with Nick Pasha-Gubbins (Co-Founder & CTO) on:
- Build-out of modern web applications and mobile apps for Android using Kotlin.
- Product development across Voop for Care, Voop for Schools, and Voop for Parents
- Deployment, optimisation, and real-world testing during pilots and large-scale rollouts.
From day one, you’ll contribute to production code, take radical ownership and shape product direction, and see the direct impact of your work through user outcomes results.
This is a great time to join an early stage company with strong market traction, backing and momentum to go big.
Key Responsibilities
- Develop and maintain Voop’s mobile apps, with a focus on Android.
- Design and implement frontend experiences on mobile (Kotlin).
- Contribute to backend services (MDM, Hono, Postgres, AWS, Kamailio) powering the Voop network.
- Work on systems for mobile network management, device control (MDM), and AI-driven safeguarding tools.
- Collaborate with the CTO and product team on design, architecture, scalability, and security.
- Ship fast, iterate quickly, and deliver measurable value to real users.
- Engage with end-users to understand their challenges and ensure our technology delivers real-world impact.
Current stack: Kotlin Multiplatform, Typescript, Hono, Postgres, Pulumi/SST, Docker, AWS, Kamailio.
About You
- You’re pragmatic, fast-moving, and technology-agnostic, focused on solving the right problems well.
- You yearn for product ownership, and can collaboratively steward full features from idea to delivery.
- You have several years of experience as a senior engineer or technical lead building quality products in lean teams.
- You’re opinionated but collaborative, bringing scars from what hasn’t worked and empathy for working fast with others.
- You care about the craft: clean architecture, reliability, and great user experience.
- You’re driven by impact: building tech that matters, not just code that works.
Bonus Points
- Experience with eSIM management
- Experience with voice/SMS platforms (e.g. Twilio, SIP Trunks).
- Understanding of mobile network architecture or MDM frameworks.
- Passion for online safety, child protection, or social impact tech.
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