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Available for Opportunities

Hi, I'm
Tatenda Ephraim

Cloud & Mobile Engineer — Carnegie Mellon University, Africa

Building production-grade mobile applications and scalable cloud infrastructure. From Flutter apps live on the Play Store to native Windows desktop tools shipped on the Microsoft Store — I ship things that work.

View My Work Download CV
Tatenda Ephraim Chipwanya
Tatenda Ephraim Chipwanya
Cloud & Mobile Engineer
Status MS Student CMU Africa
Apps Live 5+ Apps Live ↗
Flutter · Firebase · Azure AKS · Kubernetes · Kotlin · Terraform · AWS · Python · Docker · C# .NET · WinUI 3 · WinUI 3 · Jetpack Compose · TFLite · Flutter · Firebase · Azure AKS · Kubernetes · Kotlin · Terraform · AWS · Python · Docker · C# .NET · WinUI 3 · WinUI 3 · Jetpack Compose · TFLite ·
Shipping to production
Play Store · Microsoft Store · Live client work
6
Windows apps live on Microsoft Store
5+
Mobile & production apps shipped
6+
Years across networking, web & cloud engineering

Career

Professional
Experience

Current — Internship
Mobile Application Developer Intern
Geuza Ltd
Kigali, Rwanda · Special Economic Zone
May 2026 – Aug 2026

Developing the mobile app codebase and features using clean, scalable, and maintainable code for smart assistive devices (crutches, prosthetics, wheelchairs)

Integrating and maintaining Bluetooth/BLE connectivity between the mobile app and smart assistive hardware

Implementing real-time sensor data display — weight sensors, posture, movement, and activity insights for patients and clinicians

Building patient and clinician dashboards with secure, stable data synchronization between device, app, and Firebase/Supabase backend

Maintaining modular architecture and GitHub version control to support future smart assistive device integrations

Thorough testing on Android and iOS, bug resolution, and performance improvements across the full app lifecycle

Flutter BLE / Bluetooth Firebase Supabase Real-time Sensors Android / iOS GitHub
Previous Role
Network Engineer & Web Developer
Government Internet Service Provider (GISP)
Harare, Zimbabwe
Aug 2020 – Nov 2024

Configured network infrastructure — rack setup, wiring, and router connections for enterprise deployments

Resolved complex LAN connectivity issues and monitored network reliability across multiple sites

Customized WordPress themes & plugins for high-profile government websites and portals

Performed security audits and cross-browser functionality testing across all managed platforms

Work

Featured
Projects

Poultry Farm Management System
Live on Play Store
Featured · Android App
Poultry Farm
Management System
Comprehensive Android application digitizing poultry operations — batch tracking, real-time mortality monitoring, FCR analytics, multi-currency sales, and offline-first sync.
Kotlin Jetpack Compose Firebase Offline-First MVVM
View on Play Store
Driver Ultimate Zimbabwe
Now Live
Featured · Education App
Driver Ultimate
Zimbabwe
Premium VID test prep platform for Zimbabwe & SADC learner drivers. 650+ exam questions, adaptive AI tutor, 350+ road signs, gamified streaks, GPS school finder, and full offline support.
Flutter Firebase AI Tutor Offline GPS EcoCash
Download Free
Stream Save
Live on Play Store
Featured · Android App
Stream Save
Search, stream, and save favorite video and audio content offline in pristine HD — built for on-the-go playback without a live connection.
Android Media Downloader Offline Playback HD Streaming
View on Play Store
SLIMS
Education
Science Lab Manager (SLIMS)
LIMS for educational institutions. Real-time cloud sync, hazardous material tracking, dynamic inventory engine, condition monitoring.
Kotlin Jetpack Compose Firebase
Precision Fleet ERP
Enterprise
Precision Fleet ERP
Enterprise asset intelligence for heavy machinery. Intelligent maintenance ticketing, role-based dashboards, NBV calculations, predictive analytics.
Flutter Firebase TFLite
Cloud / DevOps
Cloud-Native E-Commerce
Resilient Azure infrastructure for high-traffic flash sales. MySQL clusters, auto-scaling, zero-downtime deployments, Infrastructure-as-Code.
Azure AKS Kubernetes Terraform

Shipped Software

Windows Desktop
Applications

Six native Windows applications published under Cresco Systems Labs, live on the Microsoft Store. Each one talks directly to the machine it runs on — reading battery and thermal sensors at the hardware level, driving GPU-accelerated codecs, gating filesystem actions behind human approval, or processing documents fully on-device — rather than treating Windows as a black box.

Prompt Forge
AI Prompt Engineering Toolkit

An AI prompt engineering toolkit for Windows that helps you craft, test, and refine prompts for large language models (LLMs) like GPT-4, Claude, and Gemini.

Local AI Playground. Experiment with different LLMs and parameters directly within the app, ensuring privacy and rapid iteration without constant API calls.

Powerful prompt editor with syntax highlighting and version control

Organize prompts into collections and easily export/import them

Supports popular LLMs: GPT-4, Claude, Gemini, and more

Get it from Microsoft Store Free · Offline · No account required
Volt Guard
Power & Thermal Optimizer

A system-tray-resident power optimizer for Windows 10/11 that gives always-on visibility into every watt a laptop or desktop consumes, with one-click tools to claw back battery life.

Reads hardware directly. Battery voltage, charge current, and per-core CPU temperature are pulled straight from the sensor layer (with a WMI fallback) — not estimated from OS averages — and refreshed every 2 seconds.

Per-process wattage profiler with one-click suspend / throttle of background drains

Green Mode — six toggleable optimization layers (display, CPU governor, GPU rail, NVMe APST) for up to +3h 20m runtime

Built on WinUI 3 + Windows App SDK with Mica material and live tray tooltips

Get it from Microsoft Store Requires .NET Desktop Runtime (auto-installed)
StreamVault
Video Downloader & Converter

An all-in-one media tool for Windows that downloads video and audio from thousands of sources, then converts and organizes everything offline from a single, clean interface.

GPU-accelerated transcoding. Format conversion is offloaded to NVIDIA NVENC and Intel Quick Sync encoders on the host GPU, dramatically cutting conversion time versus CPU-only software encoding.

144p–4K downloads, full playlist/channel grabs, resumable queued downloads

Batch format conversion across MP4 / MKV / WEBM / MP3 / FLAC with bitrate & codec control

Built-in local media library with search, preview player, and one-tap re-conversion

Get it from Microsoft Store Requires .NET Desktop Runtime (auto-installed)
Md Forge
Offline Document → Markdown

Converts PDFs, Word, PowerPoint, Excel, HTML, and images into clean, structured Markdown — built for developers feeding documents into AI pipelines, RAG systems, and vector databases.

100% on-device processing. Every conversion runs locally on the machine's CPU via Microsoft's open-source MarkItDown library — no file ever touches a network socket or cloud server.

Strips layout noise (headers, footers, page numbers) that inflates RAG token counts

Batch-converts entire folders in one pass, preserving tables, lists, and code blocks

Zero telemetry, zero uploads — fully offline by design

Get it from Microsoft Store Free · Offline · No account required
Agent Forge
AI Agent, Human-Gated

A Windows desktop agent that turns natural-language prompts into verified local actions — file moves, renames, and terminal commands — routed across multiple AI models with a local Ollama fallback for fully offline runs.

Security-gated by design. Zero terminal commands execute and zero files move without an explicit checkbox approval — every action ships with one-click undo and instant rollback.

Multi-model AI routing with a local Ollama fallback when offline or API-limited

Human-in-the-loop approval gate before any command runs or file is touched

Guaranteed one-click rollback to instantly revert any directory modification

Get it from Microsoft Store Free · Local-first · No account required
Rapportly
Relationship Sales CRM

A native Windows CRM built for marketers and sales professionals who sell on relationships, not spreadsheets — replacing sticky notes and forgotten follow-ups with a single pipeline that tells you exactly who to talk to today, and what to say.

Private by design. Your pipeline lives on your device — no forced cloud account, no data mining, and no subscription required to keep your own contacts.

Every contact auto-ranked Hot, Warm, or Cold with a built-in follow-up cadence — 2–4 days, 7–14 days, or 30–90 days

Signature coaching engine enforces a 3:1 value-to-ask ratio, flagging asks made before enough value has been given

Value-drop message templates, one-click CSV reporting, and 18+ language / currency support for global sales floors

Get it from Microsoft Store Free · Native Windows 11 · No subscription required

Competencies

Technical
Arsenal

Mobile & Languages
FlutterKotlinDart JavaC#Python C++.NET CoreJetpack Compose
Windows Desktop
WinUI 3.NET MAUIWindows App SDK WMI / Hardware SensorsNVENC / Quick SyncMSIX Packaging
Cloud & DevOps
Azure AKSAWSDocker KubernetesTerraformAnsible LinuxGit
Data & Tools
FirebaseMySQLMSSQL MongoDBAzure SQLPowerBI TFLiteREST APIs

Background

Education &
Certifications

Academic History
ND
AWS Agentic AI Business Professional Nanodegree
Udacity · AWS AI & ML Scholars Program (AWS-sponsored)
In Progress · Started August 2026
MS
Master of Science, Information Technology
Carnegie Mellon University, Africa
Expected May 2027
BS
B.Sc. (Hons) Computer Science
National University of Science and Technology
Graduated 2024
BCom
Bachelor of Commerce, Finance
University of Johannesburg
Graduated 2013
Certifications
AWS Certified Cloud Practitioner
Valid until 2027
Building AI Solutions (Advanced Algorithms)
August 2024
AI Fundamentals — IBM
2024
Foundational C# — Microsoft / freeCodeCamp
2024

Get In Touch

Let's build
something great.

Available for roles, freelance projects, and conversations about mobile, cloud, and what's possible with modern engineering.

tchipwan@andrew.cmu.edu LinkedIn

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