Architecting on-device AI
& intelligent systems.

About Me

Jeffrey Asante 1. I'm a software and machine learning engineer architecting mobile and full-stack systems with Python, Rust, Go, and JavaScript.

I specialize in on-device AI, reinforcement learning, computer vision, and NLP with proven results: 98% model size reduction and 80% accuracy improvements. I'm also an open-source contributor exploring game development.

1. Also known as Jeff.

GHANA (REMOTE) AVAILABLE TO WORK

Core Skills

Languages: PYTHON, GO, RUST, C/C++, JAVASCRIPT, SWIFT, KOTLIN, SQL

Frameworks: FLUTTER, REACT NATIVE, PYTORCH, TENSORFLOW, JAX

Specializations: WEBASSEMBLY, NLP, COMPUTER VISION, DEEP LEARNING, REINFORCEMENT LEARNING, SIGNAL PROCESSING, DATA SCIENCE, DATA ANALYSIS, SOFTWARE ARCHITECTURE, MOBILE/WEB DEVELOPMENT, GAME DEVELOPMENT, CLOUD COMPUTING, CI/CD, DATA STRUCTURES & ALGORITHMS

Experience

Software Engineer (AI + ML) / Mobobi LLC

JUN 2023 - NOV 2025
  • Architected the full-stack system for Abena AI, an offline voice assistant serving 6+ African languages across iOS and Android, from system design through production deployment
  • Built a cross-platform SDK in Flutter and Rust with a clean API surface, enabling third-party developers to integrate speech features in under 30 minutes
  • Reduced on-device model size by 98% (2GB to 18MB) through quantization and pruning, shipping performant inference on mid-range mobile hardware
  • Designed and deployed data collection infrastructure across 5 countries, gathering 5m+ labeled audio samples for low-resource languages including Twi, Pidgin, and Yoruba

AI Developer / Zinary

JAN 2024 - MAY 2024
  • Rebuilt a biometric verification pipeline using OCR and computer vision, extending support from 1 to 4 document types across multiple countries
  • Improved facial recognition accuracy by 80% by fine-tuning detection models and implementing preprocessing pipelines that reduced false-positive rates
  • Engineered a scalable FastAPI backend for real-time biometric analysis, processing 500+ daily verifications with sub-200ms response times

Data Scientist / Freelance

DEC 2021 - PRESENT
  • Developed predictive models and reporting dashboards for client data systems, improving forecast accuracy by 80% using Python and SQL
  • Built interactive web applications with real-time analytics, helping clients make faster data-driven decisions

Co-Founder / Anaanse

OCT 2021 - OCT 2022
  • Led full-stack development (Node.js, React, MongoDB) of a student job platform from MVP to production, acquiring 200+ early users
  • Ran A/B tests to optimize the onboarding flow and job-matching algorithm, increasing user retention by 40%

Published Apps

Cue

MOBILE / CINEMA CURATION

Get movie recommendations based on your unique taste. Find your next favorite movie based on what you've already watched - Cue works instantly and offline to give you private recommendations, with cross-app sharing that automatically indexes your watchlist.

VIEW ->

Nudge

MOBILE / HYPER-LOCAL

Reminds you of things you'd forget at the door or when walking past a spot. Set a nudge for any location and get alerted the moment you arrive, leave, or are nearby.

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tink.

MOBILE / AR/AI

Remove backgrounds, upscale images, generate depth maps, and experiment with AR effects and motion-tracking - all from your phone's camera. Includes spatial computing explorations with gyroscope-based physics.

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Tapes

MOBILE / MUSIC MANAGEMENT

Record voice memos, instruments, or field recordings. Listen to songs, separate vocals from music (stems), find tempo and key, trim clips, layer tracks, and organize everything into projects. A recording studio in your pocket - no internet required.

VIEW -> APP STORE ->

Pathly

MOBILE / PUZZLE GAME

Slide tiles, find the path. 300+ levels with a global leaderboard. Simple concept, surprisingly addictive.

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BigSpender Budget

MOBILE / FINANCE

Know exactly how much you can spend today. Scan receipts, auto-categorize expenses, and stay on budget - all your financial data stays private on your device.

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Stash

MACOS / PRODUCTIVITY

Drag files, text, links, and media to your menu bar from any app. Caption images, edit text, merge and split PDFs, batch-process files, and sync everything across your Macs with iCloud.

VIEW -> APP STORE ->

idX - AI Inventory

iOS / ON-DEVICE AI

Scan any item with idX to instantly build your personal inventory. Track value and expiry dates, find items with AR, and get notified before things expire. Your entire inventory, completely offline.

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SharkX

MACOS / INTERVIEW TOOL

See exactly what apps are running during a remote interview. Full transparency for both sides.

LAUNCH APP ->

SlimeArcade

MOBILE GAME / PHYSICS

Bouncy volleyball against a clever CPU opponent. Simple controls, real challenge. iOS and Android.

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Featured Projects