Hello, I'm
Hamza
Missaoui
I build thoughtful digital products, resilient systems, and engineering cultures that turn ambitious ideas into lasting impact.
01 / About me
Building what's next.
I'm a full stack engineer and CTO with a bias toward action, a love for elegant systems, and a belief that technology is most powerful when it feels human.
For over a decade, I've worked at the intersection of product, engineering, and leadership. I help teams find clarity in complexity — from the first line of code to the systems that support millions of users.
More about my approach02 / What I do
End-to-end delivery.
From zero to production — I cover the full product lifecycle.
System Architecture
Design scalable, maintainable systems from the ground up. Microservices, event-driven, monoliths — the right tool for the job.
Product Engineering
Full-stack development that ships. React, Next.js, Node.js, Python — turning designs into production-ready products.
Team Leadership
Build, mentor, and lead engineering teams. Code reviews, sprint planning, and fostering a culture of craft.
Cloud & DevOps
AWS, Docker, Kubernetes, CI/CD pipelines. Infrastructure as code, monitoring, and zero-downtime deployments.
AI Integration
Embed AI/ML capabilities into products. RAG pipelines, agentic systems, LLM orchestration, and intelligent automation.
Technical Strategy
Align technology decisions with business goals. Vendor evaluation, tech debt management, and roadmap planning.
Technical Project Management
Plan, scope, and deliver complex technical projects on time. Roadmapping, sprint planning, stakeholder alignment, risk and dependency management, and translating business goals into shippable engineering milestones.
02 / Find me online
One profile,
many paths.
03 / Selected work
Ideas into reality.
DevScale Digital
Solutions Transformation Studio — product strategy, engineering, and consulting that turn ideas into shipped systems.
Chatbot Platform
Multi-domain conversational chatbot platform available at two entry points for clients and end users.
AI Agent Multi Models
Agentic platform orchestrating multiple AI models for autonomous, multi-step task execution.
AI Events Organizer
Event planning and organization powered by AI, from scheduling to coordination.
Movies & Series Browser
A clean browsing platform to discover and explore movies and series.
Spatial Forge & 3D Products Conf.
Spatial Forge — an AR/VR product configuration app letting customers customise and preview products immersively and in real time.
Crypto Predict Stats App
Cryptocurrency prediction and statistics app surfacing forecast data and market stats for a range of coins.
Crypto Analytics
Crypto prediction and analytics dashboard for tracking, forecasting, and visualising market signals.
Bright Smile (Dental)
Dental clinical appointment management app — Bright Smile — for scheduling and managing patient appointments.
Stocks & RFID Inventory
Stocks manager and inventory platform built around RFID for accurate, real-time stock control.
E-Commerce App
Full-featured online store with catalogue, cart, and checkout experience.
Travel Booking Browser
Travel booking platform to search, compare, and book trips across two entry points.
Travel & Hotels Booking
Travel and hotel booking application for searching and reserving stays and trips.
Arabic Learning Academy
AI-native Arabic learning academy app with intelligent, adaptive lessons and practice.
PC 3D Components Workshop
An interactive 3D workshop app for exploring and configuring PC components.
ERP SAP Template
ERP system template modeled around SAP-style enterprise resource planning.
Jobs Hunter
Job search and browsing platform to discover and track opportunities.
FoodHub Restaurant Recommendation
Restaurant recommendation platform that surfaces great local dining options.
HardwareSync AI
AI-powered hardware sales sync app with a product stock tool built for sales engineers.
AI Books Recommendation
AI-powered book recommendation app that suggests titles based on your taste.
04 / Certifications
Credentials that back it up.
05 / Experience
A trail of curiosity.
Lead Full-Stack Engineer & CTO
DevScale Digital Solutions · Tunis, Tunisia
- Own technical roadmap and architecture for a portfolio of SaaS and AI-native client platforms built on the MERN stack with TypeScript, translating business requirements into a prioritized roadmap spanning 5+ initiatives.
- Integrate AI coding tools (Claude, Claude Code, LLM-driven scaffolding) into daily development workflows for large SPAs and event-driven microservices — improving output reliability by 30% and cutting manual QA effort by 40%.
- Direct multi-cloud DevOps delivery of scalable microservices supporting 1,000+ concurrent requests across 3+ client engagements using Kubernetes/Docker, Terraform, and CI/CD across AWS, Azure, and GCP.
- Set engineering standards for code review, testing, and data-flow design across production systems, working closely with stakeholders and cross-functional teams.
Full-Stack Developer
Independent / Freelance · Tunis, Tunisia
- Owned architecture, performance, and scalability decisions across 4+ client projects using the MERN stack with TypeScript, working solo end-to-end from spec to deployment.
- Engineered backend services in Node.js/.NET Core, exposing optimized GraphQL and REST APIs backed by PostgreSQL and MongoDB with multi-level caching strategies and clear data models.
- Developed reusable, cloud-deployable UI components and Docker-based workflow modules using Tailwind CSS and Material UI, shortening project delivery timelines by 20% across engagements.
Full-Stack Developer
Go-Makkah · Tunis, Tunisia
- Architected a REST-based conversational AI service for reservations, support, and contextual inquiries, automating 70%+ of routine inquiries across multiple channels.
- Designed a semantic search engine and real-time recommendation system to improve conversion rates.
- Implemented validation pipelines using schema-constrained LLM outputs for structured, reliable API responses trusted in production.
- Integrated Stripe and local bank payment methods with secure, event-driven webhooks.
Full-Stack Web Developer
B2B-Alive Ltd · Tunis, Tunisia
- Modernized legacy REST APIs into a unified, access-controlled GraphQL layer secured with SSO, OAuth2, and MFA, raising integration test coverage to 80%+ (Jest, Cypress) for a platform broadcasting to 10,000+ distributed devices.
- Rebuilt the front-end SPA with complex state management using React, TypeScript, Vite, and Tailwind CSS on Cloudflare Workers, cutting bundle size by 45% and roughly doubling interaction responsiveness.
- Implemented a queue-based transcoding pipeline (Redis, BullMQ) processing 5,000+ daily jobs using decouple-and-buffer patterns.
- Designed an event-driven fleet-monitoring system feeding a centralized ELK observability pipeline, cutting MTTR by 50%.
- Led containerization and multi-cloud CI/CD pipelines (Kubernetes, Docker, Terraform) across AWS and Azure, cutting deployment times by 30% and mentoring 3+ junior developers.
Internships
Final-Year Engineering Intern
B2B-Alive Ltd · Tunis, Tunisia
- Built a Canva-style drag-and-drop editor platform in React for remote management of digital content across 100+ screen players, using the Canvas API for live preview and modular real-time composition.
- Integrated AWS S3 for asset storage and Redis Pub/Sub for state distribution, lifting automation by 35% and deployment efficiency by 60%.
Second-Year Engineering Intern
3S Group · Tunis, Tunisia
- Built network monitoring tools and telemetry dashboards, translating infrastructure data into interactive visual workflows and boosting incident detection speed by 40%.
First-Year Engineering Intern
3S Group · Tunis, Tunisia
- Developed key features for an asset-tracking platform using React.js and Node.js, reducing data-visualization latency by 40%.
06 / Capabilities
Tools for impact.
07 / Contact
Let's make something
meaningful.
Have a product to build, a system to rethink, or a team to grow? I'd love to hear what you're working on.