Hello, I'm
Hadj Hassine Jawher
I build
About Me
A glimpse into my background and journey as a software engineer
Front-End Developer with 2.5+ years of hands-on experience delivering responsive, accessible, and high-performance web applications using Angular and React. Adept at turning complex UI/UX designs into elegant, maintainable code and collaborating across cross-functional teams in Agile environments.
With a solid foundation in full-stack development from academic and personal projects, I bring a holistic understanding of application architecture. Passionate about clean code, modern best practices, and continuous learning, I thrive in fast-paced environments where attention to detail and user experience are key to success.
Professional Experience & Internships
My professional journey and work history
Professional Experience
Front End Developer
InfoCert Tinexta
Rome, Italy (Hybrid – Tunis, Tunisia)
- Built responsive Angular interfaces for internal systems managing registration authorities, user accounts, and training workflows, working closely with UI/UX designers.
- Developed reusable smart/dumb components and integrated Keycloak for authentication and role-based access control.
- Applied the Facade Pattern with RxJS to manage state and streamline communication between services and components.
- Followed SOLID principles, clean code standards, and participated in code reviews and sprints to ensure scalable, maintainable solutions.
Front End Developer
CertEurope (acquired by InfoCert Tinexta)
Paris, France (Hybrid – Tunis, Tunisia)
- Migrated an internal certificate management app from PHP 4 to Angular 13 and implemented responsive UI/UX to streamline certificate request and approval workflows.
- Integrated RESTful APIs and Keycloak to handle data flow, authentication, and role-based access, improving security and efficiency.
- Set up Cypress for end-to-end testing and GitLab CI/CD for automated builds, tests, and deployments; maintained project documentation in Confluence and worked in Agile sprints.
Academic Internships
Full Stack Developer – Master’s Degree Project
ICTECHLAB (Subsidiary of InfoCert Tinexta)
Tunis, Tunisia (Hybrid)
- Designed a consistent and responsive UI/UX in Figma, and developed web interfaces with Angular for HR staff to manage employee files, approve requests, and publish announcements.
- Built a mobile app using Expo React Native for employees to request leave, download documents, and follow HR services and company events.
- Developed the backend with Spring Boot and PostgreSQL to manage employee data, leave tracking, training, payroll, events, and workflows; used Spring Data JPA and Docker for containerized deployment.
Full Stack Developer Intern – Licence Degree Project
Golden Market
Paris, France (Remote from Tunis, Tunisia)
- Built a responsive Angular dashboard to display e-commerce insights like popular products, user activity, traffic sources, and interaction behavior.
- Developed a Node.js backend with Apollo Server (GraphQL) to manage user activity data and implemented role-based access control for different user types.
- Created a custom JavaScript tracking system to log page views, searches, clicks, and referrals; stored the data in MongoDB for fast querying and analysis.
Full Stack Developer Intern
SgharToon
Tunis, Tunisia (On-site)
- Designed and developed a user-friendly front-end with Angular for creating multi-answer questionnaires, supporting branching logic and real-time result visualization.
- Built a Node.js and Express backend to handle question flow, user responses, questionnaire activation, and automatic badge assignment based on scores.
- Structured a scalable MongoDB database, created RESTful APIs, and implemented role-based access control (RBAC) to manage data and permissions for users, admins, and super admins.
Technical Skills
Technologies and tools I've mastered over the years
Frontend Development
Backend Development
Tools & Practices
Databases
Testing
UI/UX Design
My Language Skills
Projects
A selection of my recent work
I'm working on bringing together an impressive collection of projects that showcase my skills and expertise. Check back soon to explore my portfolio of work.
Development Progress
Education
Academic background and qualifications
Master’s Degree in Web and Mobile Application Development
Higher Institute of Technological Studies of Rades
Rades, Tunisia
Licence Degree in Information Systems Development
Higher Institute of Technological Studies of Rades
Rades, Tunisia
Get in Touch
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