Baraka Nampellah — Full-Stack Software Engineer

MobileAI

Mnyama Collector

developer

Companion app for field teams to collect and log animal disease data, structured for AI model training.

Problem

No structured data for AI.

Outcome

AI-ready datasets

FlutterRESTData capture

Full-Stack

Agrovet POS

developer

In-app inventory + point-of-sale system handling stock, sales, and payment flows for agrovet outlets.

Problem

Sales tracked manually.

Outcome

Piloting 5 outlets

FlutterRESTPayments

Full-Stack

SmartINNO Platform

engineer · SM

Six backend microservices, an internal video-conferencing service, and a React metrics dashboard for leadership.

Problem

Fragmented internal ops.

Outcome

15+ secured endpoints

NestJSDjangoPostgreSQLReact

Full-StackAI

Security Scan Platform

full-stack

Web app integrating OWASP-based scanning tools so clients can scan targets and surface vulnerabilities.

Problem

Clients lacked vuln visibility.

Outcome

10+ vuln classes

ReactNodeOWASP

Frontend

3D Catalog (Three.js)

frontend

Scan a QR code to load an interactive 3D view of an item — a web experience for a virtual catalog.

Problem

Static product catalogs.

Outcome

50+ item catalog

Three.jsReactWebGL

03 / journey

Experience timeline

Full-Stack Mobile Developer

Afya Ya Mnyama Digital

Mar 2026 — Present

Maintained & upgraded the Mnyama Check Flutter app — subscriptions, notifications, and a refreshed UI.
Built Mnyama Collector, a field app capturing animal disease data for AI training.
Added an in-app agrovet management + POS system, now piloting across 5 outlets.
Integrated REST APIs syncing 200+ animal health profiles in real time.

FlutterNestJSRESTPostgreSQL

Software Engineer

SmartINNO Engineering

2025

Developed 6 backend microservices using NestJS (TypeScript) and Django.
Acted as Scrum Master for a team of 6, running agile ceremonies and backlog grooming.
Built an internal video-conferencing service and a React leadership dashboard.
Wrote Hyperledger Fabric chaincode and enforced RBAC across 15+ endpoints.

NestJSDjangoPostgreSQLHyperledgerReact

Frontend Engineer

BeginnerTech (Japan, Remote)

2024 — Feb 2026

Built and maintained reusable, responsive React.js components.
Integrated RESTful APIs and handled client-side data flow.
Collaborated across time zones with a Japanese team in a remote setup.

ReactRESTTailwind

Freelance & Independent

Independent Engagements

2025

Resolved ~8 critical AWS production issues and configured Docker/AWS deploys.
Sole React Native developer on a multi-vendor marketplace app.
Built an OWASP security-scanning platform detecting 10+ vulnerability classes.
Created a Three.js QR-to-3D experience for a 50+ item virtual catalog.

React NativeAWSDockerThree.js

Education & Certifications

BEng, Computer Engineering

2020–24

Dar es Salaam Institute of Technology

Final-year project: a blockchain-based system with core chain logic, data-integrity verification, and a frontend client.

Ordinary Diploma, Telecom & Electronics

2017–20

Arusha Technical College

Coursework and practical training in electronics and foundational telecommunications.

04 / credentials

Certifications

Verified coursework and credentials. Each links to the issuer and includes a downloadable certificate.

AI Agents Fundamentals

2025

Frontend Masters — Scott Moss

Core concepts and hands-on development of agentic AI applications: tools, planning, and the agent loop.

ID: FM-AIAGENTS-2025

Backend System Design

2025

Frontend Masters — Jem Young (Netflix)

Distributed system design, scalability, storage strategies, and the architectural tradeoffs behind large systems.

ID: FM-BACKEND-2025

BEng, Computer Engineering

2024

Dar es Salaam Institute of Technology

Four-year engineering degree; final-year project built a blockchain-based data-integrity system end to end.

ID: DIT-BENG-CPE-2024

Diploma, Telecom & Electronics

2020

Arusha Technical College

Foundational training in electronics and telecommunications, with practical lab and field work.

ID: ATC-OD-TCE-2020

05 / strengths

Where I'm strongest

Backend

NestJS · Django · APIs

Mobile

Flutter · React Native

Frontend

React · Next.js

DevOps

Docker · AWS · CI/CD

API & microservices90%

Mobile development88%

Database modeling85%

RBAC & security85%

Cloud & DevOps82%

UI / UX craft84%

06 / automation & ai

Systems that do real work

From microservices and data pipelines to blockchain logic and 3D experiences — a growing focus on automation and agentic AI.

Agentic AI (foundations)

Building toward agent workflows that plan and call tools — backed by formal AI-agents training.

CertAI Agents Fundamentals

AI training data

Mnyama Collector structures real field disease data into clean datasets ready for model training.

200+profiles captured

Workflow automation

Automating data sync and operational flows so teams stop doing repetitive manual work.

Real-timehealth-data sync

REST & API integration

Connecting services with well-designed REST APIs, auth, and role-based access control.

15+secured endpoints

Blockchain logic

Hyperledger Fabric chaincode handling transaction validation on a permissioned network.

PermissionedFabric network

3D & visualization

Interactive Three.js experiences — QR-triggered 3D product views for virtual catalogs.

50+items visualized

07 / references

What colleagues say

“Baraka shipped reliable microservices and kept our sprints on track as Scrum Master. Dependable, organized, and technically sharp.”

Florence Mushi

Manager, SmartINNO

“A great engineer to build alongside — clean APIs, solid mobile work, and genuinely easy to collaborate with.”

Donald Mwakatoga

Full-Stack Dev, Amani Land

“Strong fundamentals and a fast learner. He delivers quality work under real-world constraints.”

Godfrey Sunday

Telecom Engineer, TTCL

08 / open source

GitHub activity

@Francisnampellah ↗

Contributions across the last yearlessmore

900+

Contributions

30+

Repositories

Microservices

Languages

Most used languages

TypeScript40%

Dart24%

Python18%

JavaScript18%

Recent commits

feat: subscription + notifications for Mnyama Check

mnyama-check · 2d ago

feat: video-conferencing microservice

smartinno-core · 1w ago

fix: OWASP scan result parsing

security-scan · 2w ago

09 / writing

From the blog

BackendJun 2026·9 min

Designing NestJS microservices that scale

How I structure services, RBAC, and Postgres for systems that grow without painful rewrites.

MobileMay 2026·7 min

Flutter in the field: building for low connectivity

Offline-first patterns, sync strategies, and UX lessons from livestock-tracking apps.

AIApr 2026·6 min

Collecting clean data for AI training

Turning messy real-world field input into structured datasets a model can actually learn from.

BlockchainMar 2026·8 min

Writing chaincode on Hyperledger Fabric

A practical look at transaction validation logic on a permissioned blockchain network.

BackendFeb 2026·5 min

RBAC done right across REST endpoints

Role-based access control patterns that stay maintainable as your API surface grows.