Senior Mobile Developer

Overview We’re looking for a Senior Mobile Developer to lead the development of cross-platform mobile client , enabling secure access and Zero Trust connectivity from iOS and Android devices. You’ll be responsible for developing the core client used to establish secure connections, enforce policies, and manage authentication in our next generation Enterprise VPN and Zero Trust platform.

This is a highly technical role requiring strong familiarity with native software programming, networking , and secure software design . Your work will directly impact how users connect to protected networks and access internal services.

As a key member of the founding team , you’ll shape our technical strategy , engineering practices , and system resilience . Your decisions will influence both product direction and company growth.

Our philosophy is that we are a small, close-knit team, and we care deeply about you :

Competitive pay rates

Fully remote work environments

Self-managed time off

Important :

This is a full-time remote job, and it will be a long-term B2B contract .

On our website in the JD, you can see the locations for this role.

Your contribution will include :

Develop and maintain robust, secure desktop applications for iOS and Android

Interface directly with low-level OS APIs (e.g., Network Extension / VPN Service)

Implement features such as credential management and Always-on-VPN

Optimize app performance, responsiveness, and battery efficiency

Handle push notifications, offline states, and biometric access (Face ID, Touch ID)

Contribute to testing, code quality, release automation, and App Store / Play Store submission processes

Follow secure coding practices and protect against attack vectors

You’ll be a great fit if you have the following :

4+ years of experience developing native and hybrid mobile development for iOS and Android.

Proficiency in at least two object-oriented languages (e.g., C++, Java, Kotlin, Swift, or Objective-C ), but also in hybrid development using Typescript .

Familiarity with platform SDKs and device-level APIs (e.g., permissions, networking, secure storage)

Good understanding of networking fundamentals : TCP / IP, UDP, DNS, TLS / SSL, firewalls

Experience automating releases to Google Play , Apple TestFlight , and managing code signing workflows

Experience using AI productivity tools (e.g., GitHub Copilot, Cursor, CodeWhisperer, OpenAI, etc.)

Exposure to zero-trust networking or identity-based access systems

Prior work in privacy-first , networking-heavy , or security-sensitive apps

Knowledge of biometric auth, VPN profiles, or mobile security compliance (e.g., MDM, sandboxing)

Experience in cybersecurity

Seniority level Mid-Senior level

Employment type Contract

Industries Computer and Network Security

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