Available for work

Abderrahmen
Brinis

Full-Stack Developer & AI Solutions Architect

Full-Stack Developer & AI Solutions Architect. 9+ years, 50+ projects, lead engineer of BRIMIND AI (1470+ users). React, Node.js, Unity, Solidity.

Open to relocation (preferred) · Remote welcome

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BRIMIND AI
Lead AI / Full-Stack Engineer
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Years experience
0
Users served
About

Nine years of shipping.

Full-Stack and AI engineer with 9+ years of experience building scalable web applications, AI-powered platforms and blockchain solutions. Currently lead engineer at BRIMIND AI, specializing in multi-model AI integration and modern web development. Engineering graduate from ISSAT Sousse with proven expertise in React, Node.js, blockchain technologies and enterprise solutions. Has built and scaled multiple production platforms serving 1470+ global users across AI, e-commerce, gaming and real estate.

Engineering Degree in Computer Science
ISSAT Sousse · 2012–2017
Languages
Arabic (C2) · English (C1) · French (B2 (TEF certified))
Mobility
Open to relocation (preferred) — I want the full experience of an on-site work environment. Remote roles equally welcome.
Ways of working
Happiest inside a team — I have architected and shipped whole platforms alone, and I would rather build alongside other engineers than be the only one holding the design.
Full-Stack Development & System ArchitectureAI Integration & Multi-Model DeploymentWorkflow Automation & Orchestration Engines (built an n8n/Zapier-class platform, kernel included)Blockchain Development & Smart Contract DesignServer-Side Rendering & Performance OptimizationDatabase Design & Optimization (PostgreSQL, MySQL, MongoDB)Authentication & Security Implementation (OAuth, JWT)Payment Gateway Integration & E-Commerce Solutions
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Global users served
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Years of experience
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Projects delivered
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Technologies mastered
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Countries reached
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National tech awards
Experience

From first commit to owning the architecture.

12 roles across backend, platform and AI engineering — with the game and XR years that built the fundamentals. Click any entry to expand it.

Earlier roles

Technical Team Leader · TiContenu
August 2019 — December 2019
Junior Software Engineer & Database Administrator · Leymax Technology & MindMaze
July 2017 — July 2018
Junior Software Developer · Swiss Progress
June 2017 — June 2018
Software Engineering Trainer (OOP) · ISSAT Sousse
2019
Graduation internship (PFE) — software developer · Mad Cat
February — July 2017
Summer internship — software developer · Envast Tunisia
June — July 2016
Projects

43 things I built and shipped.

AI platforms, blockchain systems, AR museum installations, VR hand-tracking games and production e-commerce — every card says what my part actually was.

AIWeb PlatformsTools & Automation
2025 — Present

BRIMIND AI Platform★

BRIMIND AI

Full-featured multi-model AI chat platform with authentication, subscriptions, referrals and a real-time admin dashboard. Serves 1470+ global users across ai.brimind.pro, chat.brimind.pro and api.brimind.pro.

Founding Full-Stack Engineer & ArchitectSolo, end to end
ArchitectureBackendFrontendDevOps / hosting

Sole engineer — idea, architecture, backend, frontend and VPS hosting through to production.

ReactNode.jsExpressPostgreSQL+3
Visit
Blockchain & Web3AITools & Automation
2023 — Present

Automated Cryptocurrency Trading Bot★

Independent

Algorithmic multi-account trading system with analytics dashboard — 26 accounts for 18 users, $20,000+ in managed assets, profitable across 2+ years of live bull and bear cycles with zero security incidents.

Full-Stack Engineer & ArchitectSolo, end to end
ArchitectureBackendFrontendDevOps / hosting

Sole engineer — trading engine, analytics dashboard and the servers it runs on.

Node.jsExpressPostgreSQLGate.io SDK+3
Visit
AITools & AutomationWeb Platforms
2023 — 2024

Pagol AI★

Client

Self-hosted workflow-automation platform in the n8n / Zapier / Make class, with a recursive API consumption system at its kernel: a single API call can execute 100+ interconnected user-generated APIs as one graph, with reward calculations propagating across 10 levels. Ships with an autonomous AI content engine that has published 20,000+ blog posts since 2023.

Full-Stack DeveloperSolo, end to end
ArchitectureBackendFrontend

Sole developer for the client — recursive API engine and the content pipeline around it.

Node.jsNunjucksMongoDBLLM APIs+4
Visit
AIWeb Platforms
2025

Nahla Real Estate Platform★

Client

AI-powered real estate platform where AI assistants help buyers make informed decisions, grounded on an admin-managed corpus of property articles.

Full-Stack DeveloperSolo, end to end
ArchitectureBackendFrontendDevOps / hosting

Sole developer — AI assistants, admin corpus and deployment.

Node.jsExpressEJSAI Integration
Visit
Blockchain & Web3Web Platforms
2024

Kumit Web Platform★

Client

Blockchain-integrated web platform with deposit and withdrawal flows backed by complex Solidity smart contracts using inter-contract communication patterns.

Full-Stack & Smart-Contract DeveloperSolo, end to end
ArchitectureBackendFrontend

Sole developer — Solidity contracts plus the platform that talks to them.

Node.jsExpressSolidityWeb3.js+1
GamingMobile
2021 — 2022

SpongeBob's Idle Adventures★

Sparklingbit / Kongregate for Nickelodeon

Licensed Nickelodeon idle game shipped on mobile as part of the Kongregate publishing project.

Unity IntegratorIn a team
Game devIntegrations

Unity integrator on the Sparklingbit team for a Kongregate/Nickelodeon release.

UnityC#iOSAndroid
VRGaming
2020 — 2021

NEON BEAT VR — Hand-Tracking Rhythm Game★

Lanterns Studios

Beat Saber-style rhythm game for Oculus Quest played entirely with hand tracking — no controllers.

AR/VR Team LeaderLeading the team
Game devAR / VR

Led the XR side at Lanterns Studios — hand-tracking interaction and gameplay.

UnityC#Oculus QuestHand Tracking
Visit
E-CommerceWeb Platforms
2025

TazMall★

BRIMIND / Independent

Multi-vendor Tunisian marketplace for handmade and artisanal products, with verified local sellers, nationwide home delivery and cash-on-delivery payment.

Full-Stack Engineer & ArchitectSolo, end to end
ArchitectureBackendFrontendDevOps / hosting

Sole engineer — marketplace, seller verification, delivery and payment flows, plus hosting.

Next.jsReactMongoDBPayment Integration+1
Visit
Blockchain & Web3E-CommerceWeb Platforms
2022 — 2025

GCBex Exchange★

GCB / Gulf Software & Technology

Crypto exchange run as a SaaS project, with a blockchain-interdependent ecosystem, MyFatoorah payments, MetaMask crypto deposits and layered admin/sub-admin delegation.

Software Engineer — Backend & Web3In a team
BackendFrontendIntegrations

In the GCB engineering team — payment and Web3 integrations, admin delegation layer.

PHPMySQLWeb3.jsMetaMask+1
Skills

The toolkit.

Proficiency reflects production use, not tutorials — every number here is backed by shipped work.

Frontend Development

React.js92
Next.js88
SvelteKit75
TypeScript85
JavaScript (ES6+)95
Tailwind CSS90
HTML5 / CSS395
Responsive Design & PWA90
Vue 3 / Nuxt60
Angular50
React Native / Flutter58

Backend Development

Node.js95
Express.js95
PHP85
RESTful API Design93
Microservices Architecture78
Server-Side Rendering (EJS, Nunjucks)90
Python72
NestJS65
FastAPI / Django REST62
Laravel65
GraphQL / Apollo62
Kafka / RabbitMQ / BullMQ58
Go / Java (Spring Boot)45

Databases & Storage

PostgreSQL90
MySQL / MariaDB92
MongoDB85
Firebase Realtime DB88
Oracle DB65
Query Optimization & Connection Pooling88
Redis70
Prisma / Drizzle ORM65
Elasticsearch / OpenSearch55

Blockchain & Web3

Solidity85
Smart Contracts & Inter-Contract Communication85
Web3.js88
DApps85
NFT Integration82
MetaMask Integration88
CCXT / Gate.io SDK85

AI & Machine Learning

Multi-Model AI Integration (GPT, Claude, Gemini, DeepSeek)93
AI API Deployment & Orchestration90
Prompt Engineering & AI Content Generation88
Retrieval-Grounded Assistants (document corpora)80
Natural Language Processing75
Machine Learning fundamentals70
pgvector / Pinecone / LangChain70

Workflow Automation & Orchestration

n8n / Zapier / Make-class Workflow Engines (built one)90
Recursive API Composition (100+ APIs in one call)95
Node-Graph Execution Kernels & DAG Resolution88
Webhook & Event-Driven Integration90
Connector / Third-Party API Integration92
Scheduled Jobs, Cron Pipelines & Retries88
Autonomous Content & Data Pipelines (20,000+ published runs)90

DevOps & Tooling

Git / GitHub93
Docker78
CI/CD Pipelines80
Cloud (Render, Vercel, Hostinger)85
UML Design90
Linux / Ubuntu82
Kubernetes / Helm55
Terraform / Ansible (IaC)52
AWS (EC2, S3, Lambda, RDS)58
Playwright / Jest / Vitest68

Security & Authentication

OAuth 2.090
JWT & Session Management90
Cross-Domain Cookies85
XSS & SQL Injection Prevention88
Role-Based Access Control90

Leadership & Process

Team Leadership & Mentoring90
Project Estimation & Scoping88
Agile Delivery85
Resource Management82
Technical Training & Teaching90
Client Communication & Consulting88

Additional Technologies

Socket.io / WebSockets88
Payment Gateways (Click to Pay, MyFatoorah, ForumPay)88
WordPress75
Email Marketing & Bulk Senders82
PDF Generation85
Web Scraping82
Chart.js / Data Visualization82

Game Development & XR

Unity3D (C#)95
C#93
Photon PUN 1 / PUN 290
Firebase-based turn-by-turn multiplayer90
Matchmaking, Tournament & Friends Systems88
ARCore90
ARKit80
Vuforia93
Oculus Quest 1/2 & Hand Tracking88
Unreal Engine 465
CPU/GPU/Memory/Build-size Optimization (APK/IPA)90
iOS & Android Store Deployment88

Awards

  • Best Technology Award — Carthage Game Show, 2017
  • Game of the Year Award — Carthage Game Show, 2017
  • Best Technology Award — Tunisian Game Awards, 2016

Languages

  • ArabicNative
  • EnglishFluent — Professional working proficiency
  • FrenchFluent — Professional working proficiency

Test d'Évaluation de Français (TEF) — Canada, level B2

Contact

Let's build something.

Available for full-time positions, consulting projects, and technical collaborations.

EmailbrinisAbderrahmen93@gmail.comWhatsApp — fastest reply+216 25 420 749
LocationTunis, Tunisia · Africa/Tunis (UTC+1)
Availability

Open to relocation (preferred) — I want the full experience of an on-site work environment. Remote roles equally welcome.

Elsewhere
PortfolioGitHubLinkedInWhatsAppBRIMIND AIBRIMINDBRIMIND ServicesBlogUdemy

What I can take on

Web Development
E-commerce sites, showcase sites, WordPress — maintenance included
Mobile App Development
Android & iOS applications
Software Development
Web applications, marketplaces, web platform engineering
Artificial Intelligence
Chatbots, automation platforms, intelligent agents
SEO & Performance
Technical SEO and search ranking optimisation
UI/UX Design
UX/UI, graphic design, logos, brand guidelines, brochures
E-Commerce & Marketplaces
Full-stack stores and multi-vendor marketplaces with AI recommendations
Support & Maintenance
Ongoing updates and product evolution
Send me an email