Dar es Salaam, Tanzania

Building intelligent systems for real life.

I’m Samwel Peter Mmari—a software engineer, AI & data science researcher, and tutorial assistant. I design practical digital products that work within African realities: local language, limited infrastructure, real institutions, and real users.

Explore my work ↘ GitHub ↗ Email me
Open to research collaboration, consulting, and meaningful product partnerships.
Portrait of Samwel Peter Mmari
Engineer · Researcher · Educator

Samwel P. Mmari

Turning complex problems into useful, reliable systems.

My working intersectionSoftware × AI × Public Impact
DUCETutorial Assistant
NM-AISTMSc Data Science & AI
AfriTisTechnology & Innovation
TanzaniaBuilt for local realities
Selected work

Products that solve more than a demo problem.

From personal finance and university sports to healthcare, civic systems, and streaming machine learning.

Live productFeatured case study

WealthFlow

A personal finance operating system designed around a simple reality: many people use one bank account but need several financial purposes. WealthFlow creates virtual wallets, tracks income and expenses, manages debts and goals, and keeps the experience TZS-native and mobile-friendly.

Virtual allocationOrganize one real account into clear purposes.
Debt trackingTrack money owed and money lent.
Goals & remindersSee progress and overdue commitments.
Local-first UXSimple language and Tanzanian currency.
TypeScriptReactNode.jsPostgreSQL
Open live product ↗
Product interface
WealthFlow financial overview dashboard
WealthFlow analytics interface
WealthFlow wallets and goals interface
01
Sports technologyActive platform

SHIMMUTA Sports Management System

A digital platform for university sports operations: institutions, athletes, teams, fixtures, results, standings, competition workflows, and day-to-day administration in one organized system.

JavaSpring BootAngularMySQL
Visit SHIMMUTA →
02
Streaming machine learningResearch prototype

DSE Market Sentiment Pipeline

A real-time data pipeline for market sentiment involving Kafka producers, Spark Structured Streaming, model inference through FastAPI, persistent storage, dashboards, and containerized deployment.

PythonKafkaSparkFastAPIDocker
View engineering work →
03
Business discoveryProduct venture

Biashara Kidigitali

A platform concept connecting customers, businesses, and professionals through location-aware discovery, provider profiles, service pricing, emergency availability, and AI-supported recommendations.

PHPFlutterMySQLAI Gateway
Discuss the product →
Research & innovation

Technology grounded in Tanzanian problems.

My research interests sit where autonomy, visual intelligence, infrastructure, and local usefulness meet.

Research direction

From academic ideas to systems people can actually use.

I am especially interested in low-cost autonomous systems, computer vision, edge intelligence, and human-centered interfaces for agriculture, transport, networks, and public services.

“A strong model is not enough. The full system must survive bandwidth limits, power interruptions, imperfect data, and the realities of the people using it.”
01

Autonomous crop monitoring & micro-intervention

Low-cost mobile robotics, multi-camera vision, edge processing, and targeted intervention for Tanzanian smallholder farms.

02

AI-assisted network diagnosis

Mobile diagnostics and rover-supported infrastructure inspection for university hostels, enterprise sites, and connectivity operations.

03

Swahili and low-resource AI

Practical NLP, retrieval-augmented assistants, and interfaces that make complex information easier to use in local language contexts.

About me

Engineer by practice. Researcher by curiosity. Tutor by purpose.

I began with practical ICT work—repairing computers, supporting users, and diagnosing networks. That foundation still shapes how I build: technology must work outside the presentation room.

Today I work across full-stack engineering, data systems, AI prototypes, deployment, and product design. Alongside graduate study at NM-AIST, I serve as a Tutorial Assistant at DUCE, helping students understand computing through labs, discussions, and projects.

My long-term goal is to create technology with measurable value for Tanzania and Africa: stronger institutions, more productive businesses, better public services, and accessible intelligent systems.

Local context firstLanguage, connectivity, cost, and user habits shape the design.
Build end to endFrom requirements and UI to APIs, data, deployment, and support.
Evidence over hypeResearch, test, measure, and communicate limitations honestly.
Impact over decorationA beautiful interface should still solve the right problem.
Experience

Tutorial Assistant

Dar es Salaam University College of Education, University of Dar es Salaam

Technology Builder & Co-founder

AfriTis / independent software and digital systems projects

Software Engineer

Arifa

ICT Field Attachment

TANESCO, Umeme Park — end-user support, networking, and hardware maintenance

Education

MSc Data Science & Artificial Intelligence

NM-AIST · Autonomous Systems & Visual Intelligence

BSc Information Technology

College of Business Education, Dar es Salaam

Applied software, cloud, security & AI

Continuous technical learning through projects, courses, and research practice

Capabilities

A broad stack, connected by systems thinking.

I choose tools based on the problem—not because a framework is fashionable.

Software Engineering

  • Java & Spring Boot
  • PHP & Laravel
  • Python APIs
  • REST architecture
  • MySQL & PostgreSQL

Web & Mobile

  • Angular & JavaScript
  • HTML, CSS & Tailwind
  • Android with Java/Kotlin concepts
  • Flutter product architecture
  • Figma UI design

AI & Data

  • Machine learning workflows
  • Computer vision & YOLO
  • NLP & RAG systems
  • Kafka & Spark streaming
  • Data preparation & evaluation

Infrastructure & Robotics

  • Docker, VPS & Nginx
  • Linux administration
  • Networking diagnostics
  • ESP32, Arduino & Raspberry Pi
  • Mobile robots & sensors
Let’s build something useful

Have a serious problem that needs a practical system?

I’m available for software projects, AI and data collaboration, research partnerships, institutional systems, and selected consulting work.

spom.mmari@gmail.com+255 784 629 597
GitHub ↗LinkedIn ↗WealthFlow ↗SHIMMUTA ↗