Lamis Essid
Big Data & AI Engineer
Big Data & AI engineer (BIBD program at iTeam University, completed), holding a Master's in Big Data and a Bachelor's in Management, with NVIDIA certifications in AI and generative AI.
EmailDjerba, Tunisie
Portfolio
AI & Data Engineering — Lamis Essid × Digital Marketing & Strategy — Dhia Maraouch
Two disciplines, one goal: designing intelligent digital products and telling their story to the people who need them.
“Only a team that can build as well as it can tell the story makes an idea last.”
— The team
The team
Who builds, who tells the story
An engineer who designs the intelligence of the product, a strategist who makes it exist for its audience.
Dhia Maraouch
Digital Marketing & Business Development
Graduate in Commerce and Distribution, specialised in Digital Marketing, with a strong interest in commercial development, tourism and entrepreneurship.
WhatsAppSelected work
Selected projects
From AI agent systems to digital strategy — a selection of projects carried end to end, together.
LamisAI Platform
In progressOZONE-AID
A premium car garage's intelligent diagnostic shop, from sensor to dashboard.
- RAG
- ML/DL
- BI
- Mobile
- FastAPI
- LangGraph
LamisHotel system
CompletedHoliday Beach Platform
An intelligent digital system — website, mobile app and AI chatbot — unifying 34,000+ reservations scattered across 186 scanned documents.
- OCR
- AI Chatbot
- React Native
- FastAPI
- MySQL
DhiaTourism & digital platform
In progressJoy Djerba
Connecting tourists with local activities in Djerba.
- Tourism
- Partnerships
- QR code
- Digital strategy
DhiaE-commerce & digital marketing
CompletedNatura Déco
The digital positioning of a handmade home-decoration brand.
- Branding
- Content
- Social media
- E-commerce
LamisAI Agents
ActiveJARVIS Core
An agent system that plans, drafts and publishes content, from brief to live.
- LangGraph
- LangChain
- RAG
- FastAPI
- Content Ops
LamisMultimodal AI
ActiveSentinelle
A multimodal voice agent that estimates cognitive load in a clinical context.
- Multimodal AI
- RAG
- CNN-LSTM
- Whisper
- TTS
- MLOps
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Since 2020
Journey
Education, experience and missions, in order — with the numbers that matter.
- 2026 — PresentExperienceLamisAI strategyMarketing
AI & Marketing Lead
TSS
- 2025 — PresentExperienceLamisLangGraphRAGFastAPIReactFlask
AI Engineer & Developer
Client projects / freelance
- Designing AI systems (RAG, agentic AI) and full-stack applications (React, FastAPI, Flask).
- 2026EducationLamis
LLM & Generative AI training
NVIDIA Deep Learning Institute — GoMyCode
- 2025 — 2026ExperienceLamisRAGML/DLBIMobile
Final-year engineering internship
Ouerkema Innovation
- Designed and built OZONE-AID for Ozone Garage: assisted diagnosis, a RAG copilot, predictive maintenance and decision-making dashboards.
- 2024 — 2026EducationLamis
Engineering degree — Big Data & Business Intelligence (BIBD)
iTeam University, Tunis — completed, final thesis defence in progress
- May — Oct. 2025ExperienceLamis
Internship — Hotel operations & data
Djerba Holiday Beach
- Designed and built Holiday Beach Platform, an intelligent digital system — website, mobile app and AI chatbot — to unify 34,000+ fragmented reservations across 186 scanned documents.
- 2023 — 2025EducationLamis
Master's in Big Data
iTeam University, Tunis
- Oct. 2023 — Sept. 2024ExperienceLamis
Web Master
Ulysse Voyages, Djerba
- Managed the web platform, digital content workflows and web analytics.
- 2022 — 2023ExperienceLamis
Earlier internships
AMEN Détergent · Nouvelair Handling · OACA
- Operations (AMEN Détergent), ground handling agent at Djerba-Zarzis airport (Nouvelair Handling), finance department at Djerba-Zarzis airport (OACA).
- 2020 — 2023EducationLamis
Bachelor in Management
ISET Djerba
- —EducationDhia
Bachelor in Commerce and Distribution
Digital Marketing specialisation — Tunisia
Latest writing
Writing
Technical notes, project retrospectives and thoughts on building AI systems.
1 min read
What Whisper + Coqui TTS taught me about perceived latency
While building Sentinelle's voice copilot, the real latency problem wasn't where I expected it — and the fix cost nothing in audio quality.
- Whisper
- TTS
- Voice
- UX
2 min read
Building a RAG agent that knows how to say "I don't know"
Why most RAG pipelines hallucinate out of overconfidence, and three concrete levers to make an agent recognise the limits of what it actually found.
- RAG
- LangChain
- Reliability
1 min read
LangGraph vs plain chains: when orchestration becomes necessary
A linear chain is enough for a lot of LLM use cases. Here's the concrete signal that made me move some projects to LangGraph — and the ones where a simple chain was the right call.
- LangGraph
- LangChain
- Architecture
Tech radar
Tech Radar
A sphere of keywords you can spin — the core of the stack, at a glance.
Drag to rotate · hover to pause
Frontend
TypeScript · React · React Native · TailwindCSS
Backend & infrastructure
FastAPI · Flask · Docker · PySpark · MongoDB · SQL
AI & agents
LangChain · LangGraph · RAG · PyTorch · Whisper · Mistral
Marketing & growth
Meta Ads · Google Ads · TikTok · Branding
Contact
New projects, technical notes and small discoveries — follow along as they land.