Mobile App Engineer (Android), UK

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.