EMMANUEL ADDAE
BSc CS & Eng (UMaT) • Flutter & Mobile Engineer

Mobile & UI/UX Engineer

Designing and engineering digital products, offline-first Flutter apps, and AI-powered web systems that are clear, usable, and conversion focused.

Let's collaborate ↗ Resume CV
8+ Shipped Apps
30% Adoption Boost
E2E Mobile & Web QA
Emmanuel Brenyah Addae — Mobile and Software Engineer

/SELECTED WORK

View All Work ↗
REAL PROJECT
TreeSyt Field v2.4 Offline Sync
Forestry & Field Operations Engine
Field Plots 1,420
E2E Pass 99.4%
GPS Plot Sync100%
E2E Test Suite ✓ 48 Passed
Offline-First Architecture & Automated QA

TreeSyt — Offline-First Field App & E2E Automation Suite

Mobile & QA Vitara Company Ltd Flutter & Dart
REAL PROJECT
N-P-K Soil AI
96%
SDG-2 AI Engine
Zero Hunger Pro
Top Crop Match Maize & Cocoa
🔊 English & Twi Voice TTS
Leaf Scanner
🌿 Neural

Zero Hunger Pro — AI-Powered Smart Farming & Crop Pathology Assistant

Flutter + Python ML Random Forest & Vision English/Twi TTS
REAL PROJECT
Agent Pipeline Live
HR Onboarding & Error Diagnostics
Candidates 320+
Triage Real-Time
Training Modules100%
Flutter Web Admin Active
Sync Timeout Log #402Resolved
GPS Permission TraceTriaged
Agent Cohort #14Certified
Diagnostic History & HR Interview Pipeline

Agent Onboarding Mobile App & Flutter Web Error Triage Console

Flutter Web & Mobile Vitara Company Ltd SQLite & REST
REAL PROJECT
Pickup Map
📍 Takoradi
Offline-Tolerant
KekeGo Ghana
Estimated Fare GH₵ 18.00 • 3 min
🛺 Book a Keke. Ride Smarter.
Sync Queue
Clean

KekeGo Ghana — Offline-Tolerant Ride-Hailing & Mobility App

Mobile App Clean Architecture Flutter & Firebase
MULTI-TENANT MVP
HarvestGo 15m Delivery
Fresh Produce Storefront & Dispatch
Apps in 1 3 Portals
Realtime Firestore
Vendor + Admin Console Unified Codebase
Customer StorefrontiOS / Android
Vendor Partner PortalInventory
Admin Ops ConsoleDispatch

HarvestGo — 3-in-1 Hyper-Local Grocery Storefront, Vendor & Admin Suite

Customer + Vendor + Admin Flutter Multi-Platform Firebase
REAL PROJECT
Barcode Scan
||||| SKU
Hive Local DB
MyStore POS
Daily Net Sales 100% Offline Ready
📊 Excel & Google Sheets Backup
Stock Alerts
POS

MyStoreManagement — Offline-First Retail Inventory, Barcode & Sales POS

Retail POS Hive Offline DB Excel & Sheets Sync
REAL PROJECT
Devotionals
🔥 21d
Riverpod + GoRouter
OJ MinistryHub
Community & Courses Sermons & Streaks
⛪ Role-Based Leader Moderation
Prayer Wall
🙏 Live

OJ Studios MinistryHub — Digital Learning, Sermons & Community Platform

Mobile & Web Flutter & Riverpod Firebase
BILINGUAL AUDIO APP
English / Twi
🎵 A/T
Audio Service
COC Hymns Player
Background Audio Hymnal & Choruses
🎧 Offline Lyrics + YouTube Stream
Favorites
❤️ Sync

COC Hymns Player — Bilingual English & Twi Audio Worship Application

Audio Streaming Flutter & Dart Bilingual UX

/SERVICE

Click or hover any capability to inspect deliverables

FLUTTER & MOBILE ENGINEERING

Engineering clear, offline-first, and scalable cross-platform mobile applications for iOS, Android, and field operations with SQLite, Hive, and REST APIs.

Flutter & Dart Offline-First Sync Clean Architecture State Management
✕ ↗

/EXPERIENCE

4+ years of shipping & engineering impact

Vitara Company Ltd

Associate Mobile Developer (National Service • Wa, Ghana)
Oct 2025 - Oct 2026
  • Built and deployed core mobile features for TreeSyt using offline-first Flutter architecture, improving field responsiveness and sync reliability.
  • Created and executed comprehensive End-to-End (E2E) automated test suites across Mobile and Web platforms to guarantee workflow stability.
  • Architected and shipped a dedicated Mobile Agent Onboarding Application for HR and Agent Managers with candidate tracking, interviewing pipelines, and digital training.
  • Designed an in-app Error Reporting History module and engineered its companion Flutter Web Administrative Dashboard to triage field bugs in real time.

Vitara Company Ltd

Product Management Intern • Wa, Ghana
Sep 2024 - Dec 2024
  • Documented mobile and web module functionalities and authored comprehensive user guides, streamlining onboarding for new employees.
  • Trained 15+ staff members on platform operations, achieving a 30% boost in adoption and overall proficiency.
  • Collaborated with cross-functional remote engineering teams to test features, log defects in Jira, and recommend high-impact UX improvements.

LoGig LLC

Web Development Intern (Two Consecutive Tenures • Takoradi, Ghana)
Sep 2022 - Dec 2023
  • Developed responsive, mobile-first web user interfaces using HTML5, CSS3, and JavaScript across two internship cohorts (2022 & 2023).
  • Partnered with senior software engineers in an Agile environment, performing cross-browser testing that reduced reported user bugs by 5%.
  • Contributed to front-end feature documentation to accelerate team knowledge transfer and long-term maintainability.

University of Mines & Technology (UMaT)

BSc Computer Science & Engineering • Campus Leadership
Graduated • Takoradi
  • Completed rigorous undergraduate training in Software Engineering, Data Structures & Algorithms (C++), Relational Databases (MySQL/SQLite), and Mobile Computing.
  • Served as Organizer (UMaT 2024/2025) and President (2020/2021) for the Church of Christ Campus Ministry, leading community outreach and event execution.

/SKILLS & CREDENTIALS

01

Dart & Flutter

Cross-platform iOS/Android mobile apps, custom UI widgets, Riverpod/Provider state management, and Flutter Web administrative consoles.

FlutterDartFlutter WebE2E QA
02

Web & Systems (JS / C++)

Responsive HTML5, CSS3, modern JavaScript interfaces, React/Vite front-ends, and C++ object-oriented data structures & algorithms.

JavaScriptHTML5/CSS3C++ OOPGit/GitHub
03

Databases & Offline Sync

Relational schema design and local-first mobile persistence using MySQL, SQLite, Hive NoSQL, and Cloud Firestore.

SQLiteMySQLHive DBFirebase
04

REST APIs & AI Endpoints

Asynchronous HTTP client architecture, JSON serialization, Python ML backend integration, and bilingual Text-to-Speech (TTS).

REST APIsJSONAsync/AwaitAI / ML
05

Product & Agile Delivery

PRD authoring, user onboarding guides, sprint tracking, and remote collaboration with Jira, Miro, Slack, Zoom, and Google Workspace.

JiraMiroSlackMS Office
06

Leadership & Collaboration

Analytical problem-solving, staff training (15+ personnel mentored), cross-functional communication, adaptability, and team organization.

Problem SolvingMentorshipCommunication
/EDUCATION & CERTIFICATIONS
BSc in Computer Science & Engineering University of Mines and Technology (UMaT) • Takoradi, Ghana
Degree
Dart & Flutter Development Course Udemy Online Learning • Mobile Engineering
Certified
Diploma in Product Management & Web Dev Alison Online Courses • Product & HTML/CSS
Diploma
WASSCE Secondary Certificate Baidoo Bonsoe Senior High Technical School • Ghana
WASSCE
/LEADERSHIP & ACADEMIC REFERENCES
Campus Ministry Organizer & President Church of Christ Campus Ministry • UMaT (2024/2025) & Baidoo Bonsoe (2020/2021)
Leader
Engr. Dr. Albert K. Kwansah Ansah University of Mines and Technology (UMaT), Ghana afkansah@umat.edu.gh • +233 24 951 8866
Reference
Dr. Ezekiel Martey University of Mines and Technology (UMaT), Ghana Ezzy2win@hotmail.com • +233 24 965 3242
Reference
Available for New Project

HAVE A PROJECT IN MIND?

Together, we can create something clear and impactful. Let's collaborate to bring your mobile apps, web platforms, and product ideas to life in a way that resonates with everyone.

Direct Channels & Resumes

Prefer instant outreach? Reach me directly via email, phone, or grab my latest CV below.

Email Address addaebemmanuel@gmail.com
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Phone / WhatsApp (Ghana) +233 59 354 3427 / +233 24 253 7088
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Base Location Takoradi & Wa, Ghana (Remote & On-Site Ready)
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