Sr. iOS Engineer - LATAM/Nigeria

Fastrak AI
Full-time WorkFromHome, Ciudad de México Desarrollo de software
Posted:
February 26, 2026
Location:
WorkFromHome, Ciudad de México, Mexico

Job Description

Overview

The product combines mobile-first experiences, AI/ML-driven insights, and thoughtfully designed user journeys to deliver meaningful, real-world impact at scale. The team focuses on shipping high-quality consumer products with strong engineering fundamentals, scalability, and privacy-first design.

What you’ll do

  • Build and own the native iOS application using Swift
  • Implement on-device ML features including wake word detection and voice activity detection for privacy-first audio processing
  • Develop real-time video calling with AI-generated memory overlays
  • Create robust media ingestion pipelines for photos/videos with background processing
  • Build offline-first architecture with reliable cloud sync (Cloudflare R2, TUS resumable uploads)
  • Optimize performance for infinite scroll experiences with video preloading
  • Integrate CallKit, PhotoKit, and native audio/video APIs
  • Collaborate directly...

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Job Overview

Job Type: Full-time
Location: WorkFromHome, Mexico
Posted: February 26, 2026
Deadline: April 07, 2026