About Persist Ventures

Persist Ventures backs unstoppable builders with equity, funding, and resources to launch industry-shaping startups. Our flagship event, Start-Upathon, is where high-potential founders get their shot at the top — no formal qualifications required, just grit, vision, and execution power.

Now, we’re building AceTime — the next evolution of FaceTime and WhatsApp combined with the intelligence of ChatGPT. Think: live video/audio calls, real-time AI assistance, instant meeting notes, contextual memory, and seamless global connection. We believe this can redefine how people communicate worldwide.

Your Role

Lead the end-to-end development of the AceTime MVP (from prototype to TestFlight launch).
Build core features:
- Real-time video/audio call integration
- Live transcription overlay and AI summarization
- AI-assisted group & direct messaging
- Persistent contextual memory per contact
Work closely with the founder to shape the product roadmap, prioritize features, and experiment rapidly.
Ensure performance, privacy, and reliability in global-scale communications.
Build with scalability in mind — AceTime is meant to go viral.

You Are

A relentless builder — you move from idea to working product without waiting for permission.
Comfortable working in hackathon mode — fast iterations, zero bureaucracy, constant delivery.
Entrepreneurial at heart — you’re not just looking for a job, but a co-founder role.
Fascinated by AI-assisted communication, real-time systems, and social apps.

Required Skills

Strong experience with iOS app development (Swift / SwiftUI).
Expertise in real-time communication (WebRTC, CallKit, VoIP).
Proficiency in backend development (Node.js, Python, or similar) for call handling & chat infrastructure.
Experience integrating AI APIs (OpenAI, Whisper, Speech-to-Text, etc.).
Knowledge of real-time messaging (WebSockets, Firebase, or similar).
Strong understanding of privacy & data handling in communication apps.

Nice-to-Have

Experience with video streaming optimization.
Familiarity with global scaling (low-latency architecture).
Prior work on social or messaging apps.
Ability to design intuitive UI/UX for fast adoption.