Architecting on-device AI
& intelligent systems.
now
working with a company on sre & ai.
exploring on-device ai acceleration across webgpu, metal, and hardware-native shaders for deep learning and generative models.
building cellm, a ground-up rust llm/vlm engine for cli/ios/android; paged kv cache and multi-session concurrency for <512mb ram devices. not a wrapper.
was
researching FlowState-research, a research engine for an autonomous audio mixing engine using Computer Vision (TinyCNN) to analyze spectral textures and execute DSP transitions like "Dub Throws" and "Drops" in real-time. link to it to demo.
oxidexla, a rust-powered pytorch → jax transpiler; fx/onnx to primitives in <1ms; validated on resnet-18 with mse < 1e-10. link to it to demo.
glassbox, a neuro-symbolic interpretability tool reverse-engineering pytorch models into math/logic via symbolic regression.
repogym, an rl environment for ai coding agents built from git history.
view more...
Mobobi, as a Software Engineer (AI/ML) building Abena AI. Architected full-stack offline assistant; ios/kotlin/rust sdk; 98% model reduction; 5+ country data collection infrastructure.
work
freelance, as a Data Scientist, Web/Mobile & Backend
zinary, as an AI Developer
anaanse, as a Co-Founder
projects
whoKnows, to never forget who to reach out to.
found, discovering and sharing the most significant creations in human history
foqos., minimalist notes, secure storage, and integrated voice transcription.
focusblur, a macOS tool for distraction-free work
cue, private movie recommendations
nudge, location-based alerts and reminders
tink., offering AR effects and AI image tools
tapes, a minimalist audio workspace and recording studio
puttpop, minigolf for your pocket
pathly, a path-finding puzzle game
bigSpender, a private on-device finance manager
stash, a desktop clipboard shelf and file batch-processor
idX, an on-device AI inventory manager
SharkX, a remote interview transparency tool
slimeArcade, a physics-based volleyball game
recent pushes
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links
github, hugging face, stack-overflow, linkedin, email

About Me

Jeffrey Asante 1. I'm a T-shaped engineer The T-shaped individual possesses deep expertise in one specialized area while maintaining broad knowledge across multiple, related disciplines. in Data Science/ML, on-device AI, reinforcement learning, computer vision, and NLP with proven results: 98% model size reduction and 80% accuracy improvements.

I also work on mobile and full-stack systems with Python, Rust, Go, and JavaScript, while exploring game development as an open-source contributor.

1. Also known as Jeff.

GHANA (REMOTE)

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, Yoruba, etc.

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

Found

MOBILE / IMMERSIVE BROWSER

Found is a premium, immersive mobile browser for the Internet Archive. It uses a custom Hybrid RL recommendation system to surface millions of public domain films, audio, and books in a personalized interface.

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focusblur

MACOS / PRODUCTIVITY

Eliminate distractions on macOS by dynamically blurring inactive windows. A minimalist tool designed to help you stay in flow and focus on your deep work.

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Cue

MOBILE / CINEMA CURATION

A private movie curation app powered by an on-device recommendation system (RecSys). Discover hidden gems from the Internet Archive based on your taste, with no accounts or tracking.

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Nudge

MOBILE / HYPER-LOCAL

Location-triggered reminders with a high-contrast industrial aesthetic. Get alerted the moment you arrive, leave, or pass a spot—all while keeping your data private on-device.

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tink.

MOBILE / AR/AI

An AI and AR creative toolkit for your camera. Instantly remove backgrounds, upscale images, and generate depth maps locally with experimental gyroscope-based physics.

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Tapes

MOBILE / MUSIC MANAGEMENT

Recording studio in your pocket. A minimalist audio workspace that organizes your recordings into projects with stems, tempo detection, and track layering—no internet required.

VIEW -> APP STORE ->

Pathly

MOBILE / PUZZLE GAME

Slide tiles to find the path. A minimalist puzzle game with over 300 levels, daily challenges, and a global leaderboard to test your path-finding skills.

VIEW -> APP STORE ->

BigSpender

MOBILE / FINANCE

Know exactly what you can spend today. A private finance manager with receipt scanning and auto-categorization—designed to stay fully offline and secure.

VIEW -> APP STORE ->

Stash

MACOS / PRODUCTIVITY

A macOS menu bar shelf for files, text, and links. Batch-process PDFs, caption images, and use advanced OCR actions with seamless iCloud sync.

VIEW -> APP STORE ->

idX – AI Inventory

iOS / ON-DEVICE AI

Your on-device AI inventory system. Scan items to automatically track value, expiry dates, and location—completely offline and private.

VIEW -> APP STORE ->

SharkX

MACOS / INTERVIEW TOOL

See exactly what apps are running during a remote interview. Provides full transparency for both sides through real-time monitoring and smart automation.

LAUNCH APP ->

SlimeArcade

MOBILE GAME / PHYSICS

A bouncy volleyball game against a clever CPU opponent. Simple controls, physics-based mechanics, and surprisingly addictive gameplay.

APP STORE ->

Featured Projects