Mobile Engineer - 3k per month - Immediate start

What’s In It For You

Rate : 3k per month

Contract : 3 months with 3-month extensions

Impact : You’ll be hands-on from day one, no endless onboarding, just getting stuff built.

Industry : Fintech (Private Markets / Alternative Investments)

Why This Role

They’re building a fintech product reshaping access to private markets, and they need someone who can actually deliver, not just talk about it. This means real experience building secure mobile systems, managing tokens properly, and keeping user data safe without slowing the experience down.

You’ll be working directly with their engineering team to design and implement banking-grade security with start-up agility, secure authentication flows, device-level protection, and tight token lifecycle management. If you’ve built this stuff before and want to plug into a sharp team shipping fast, this is the right kind of role.

The Opportunity

• Build and ship features across iOS and Android using Flutter
• Implement secure auth flows (OAuth, biometrics, passkeys, device checks)
• Design and manage full token lifecycle (rotation, refresh, revocation, expiry logic)
• Build device-level security features (secure storage, jailbreak / root detection, threat modelling)
• Work with Riverpod for state management
• Integrate with REST APIs
• Collaborate on GitHub with the engineering team
• Debug, optimise, and make things move faster

What They’re Looking For