About Persist Ventures :
Persist Ventures is an innovation-focused venture studio that empowers visionary founders to build industry-defining startups.
We back unstoppable builders with equity, funding, and the resources to launch and scale impactful companies.
Our flagship program, Start-Upathon, is designed to give high-potential founders a platform to turn bold ideas into successful ventures no formal credentials required, just ambition and execution.
We are currently developing AceTime, a next-generation communication platform that combines the best of FaceTime and WhatsApp with the intelligence of AI.
AceTime will deliver live video / audio calling, real-time AI assistance, instant transcription and summaries, contextual memory, and seamless connectivity to transform how people communicate globally.
Position Overview :
We are seeking a highly skilled iOS Engineer to lead the development of AceTimes minimum viable product (MVP).
This role requires a hands-on builder who can rapidly turn ideas into scalable, high-performance products.
You will work closely with the founder, drive technical decisions, and help shape the future of AI-powered communication.
Key Responsibilities :
- End-to-end iOS app development : Design, develop, test, and launch the AceTime MVP on iOS (from prototype to TestFlight release).
- Feature implementation : Build and optimize key features, including :
1. Real-time video / audio calling
2. Live transcription overlays and AI-generated meeting summaries
3. AI-assisted group and direct messaging
4. Persistent contextual memory for contacts
Collaboration and strategy : Work directly with the founder to define product roadmap, prioritize features, and iterate quickly based on feedback.Scalability and reliability : Ensure high performance, low latency, and robust privacy measures to support a global user base.Technical leadership : Stay updated on emerging iOS and AI technologies, advocating best practices for code quality and system architecture.Required Skills & Experience :
Proven experience in iOS app development using Swift and SwiftUI.Strong expertise in real-time communication technologies (WebRTC, CallKit, VoIP).Backend development experience (Node.js, Python, or similar) for call handling and messaging infrastructure.Hands-on experience integrating AI / ML APIs (OpenAI, Whisper, speech-to-text, NLP).Solid understanding of real-time messaging systems (WebSockets, Firebase, or similar).Strong grasp of data privacy, security, and compliance in communication apps.Nice-to-Have :
Knowledge of video streaming optimization and low-latency architecture.Experience scaling apps to global audiences.Background in building social, messaging, or AI-driven applications.Strong sense of design and ability to create intuitive, user-friendly interfaces.Who You Are :
A relentless builder who thrives in fast-paced, hackathon-like environments.Entrepreneurial in mindset motivated by impact, ownership, and innovation.Passionate about AI, communication technology, and social platforms(ref : hirist.tech)