Senior Mobile Engineer — Swift/Kotlin, Remote & RTC

AgileEngine, LLC.; Monterrey; Presencial; MXN 600.000 - 900.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Growth without limits

Competitive compensation

Flexibility: 100% remote with flexible

Meaningful, modern projects

Collaborative culture

Well-being & support

Descripción de la vacante

AgileEngine is seeking a Senior Mobile Engineer to maintain and optimize native iOS and Android voice and messaging apps, with a strong focus on Swift (70%) and Kotlin (30%), while leading PoCs to evaluate migration toward React Native.

You will implement and optimize Real-Time Communication capabilities including WebRTC, SIP, and VoIP push notifications, and collaborate directly with client stakeholders on mobile architecture and feature decisions.

Formación

• 3+ years of hands-on professional mobile development experience.
• Strong, direct experience writing native mobile applications in Swift (iOS) and Kotlin (Android). (Role will be 70% Swift and 30% Kotlin.)
• Exposure or knowledge of React Native.
• Solid domain experience with Real-Time Communication (RTC), specifically WebRTC, SIP, or VoIP architecture.
• Proven experience implementing voice-enabled push notifications and handling network latency in voice/chat apps.
• Excellent written and spoken English communication skills for client-facing collaboration.

Responsabilidades

• Maintain, enhance, and optimize existing native Android (Kotlin) and iOS (Swift) mobile applications.
• Design and build Proofs of Concept (PoCs) to evaluate and execute the transition of native apps to React Native.
• Implement and optimize Real-Time Communication (RTC) capabilities, including WebRTC, SIP, and in-app chat features.
• Solve complex mobile voice issues related to VoIP/voice-enabled push notifications, socket connections, and network latency.
• Collaborate directly with key stakeholders to refine mobile architecture and feature specifications.
• Conduct code reviews, establish best practices for mobile stability, and drive continuous performance improvements.
• Operate in an Agile delivery workflow with regular sprint planning and technical iterations.

Conocimientos

Swift (iOS)

Kotlin (Android)

React Native

RTC (WebRTC, SIP, VoIP)

Voice-enabled push notifications

English communication

Descripción del empleo

AgileEngine is seeking a Senior Mobile Engineer to maintain and optimize native iOS and Android voice and messaging apps, with a strong focus on Swift (70%) and Kotlin (30%), while leading PoCs to evaluate migration toward React Native.

You will implement and optimize Real-Time Communication capabilities including WebRTC, SIP, and VoIP push notifications, and collaborate directly with client stakeholders on mobile architecture and feature decisions.