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I am a mid-level Full-Stack Java Developer with 4+ years of experience delivering production healthcare and LMS platforms using Spring Boot, Angular, and the MERN stack. I focus on API performance tuning, database optimization, and data-driven dashboards, and I own systems end-to-end—from development to deployment on Linux VPSs—enhancing reliability through Docker-based CI/CD. I enjoy collaborating with clinicians and cross-functional teams to digitize scheduling, documentation, and access control, while mentoring juniors and turning complex data into actionable insights for faster decision-making.…I am a mid-level Full-Stack Java Developer with 4+ years of experience delivering production healthcare and LMS platforms using Spring Boot, Angular, and the MERN stack. I focus on API performance tuning, database optimization, and data-driven dashboards, and I own systems end-to-end—from development to deployment on Linux VPSs—enhancing reliability through Docker-based CI/CD. I enjoy collaborating with clinicians and cross-functional teams to digitize scheduling, documentation, and access control, while mentoring juniors and turning complex data into actionable insights for faster decision-making.

Olfa Belloumi

Full Stack Developer, Web Developer, Front-End Developer, +4

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I am a mid-level Full-Stack Java Developer with 4+ years of experience delivering production healthcare and LMS platforms using Spring Boot, Angular, and the MERN stack. I focus on API performance tuning, database optimization, and data-driven dashboards, and I own systems end-to-end—from development to deployment on Linux VPSs—enhancing reliability through Docker-based CI/CD. I enjoy collaborating with clinicians and cross-functional teams to digitize scheduling, documentation, and access control, while mentoring juniors and turning complex data into actionable insights for faster decision-making.…I am a mid-level Full-Stack Java Developer with 4+ years of experience delivering production healthcare and LMS platforms using Spring Boot, Angular, and the MERN stack. I focus on API performance tuning, database optimization, and data-driven dashboards, and I own systems end-to-end—from development to deployment on Linux VPSs—enhancing reliability through Docker-based CI/CD. I enjoy collaborating with clinicians and cross-functional teams to digitize scheduling, documentation, and access control, while mentoring juniors and turning complex data into actionable insights for faster decision-making.

Available to hire

I am a mid-level Full-Stack Java Developer with 4+ years of experience delivering production healthcare and LMS platforms using Spring Boot, Angular, and the MERN stack. I focus on API performance tuning, database optimization, and data-driven dashboards, and I own systems end-to-end—from development to deployment on Linux VPSs—enhancing reliability through Docker-based CI/CD.

I enjoy collaborating with clinicians and cross-functional teams to digitize scheduling, documentation, and access control, while mentoring juniors and turning complex data into actionable insights for faster decision-making.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

Arabic

Fluent

English

Advanced

French

Advanced

Work Experience

Fullstack Developer at ARTEMICO

April 1, 2023 - Present

Developed and enhanced Spring Boot services (Spring MVC, Spring Data JPA, Spring Security) and integrated them with Angular modules, delivering scalable full-stack features. Improved backend performance by optimizing SQL queries and JPA/Hibernate mappings, reducing API response times by 15%. Built secure RESTful APIs using Spring Security + JWT, strengthening authentication workflows and reducing security incidents by approximately 15%. Delivered responsive UI components using Angular, TypeScript, RxJS, and Angular Material, accelerating feature delivery by 20%. Implemented CI/CD pipelines using tools like Jenkins/GitHub Actions to automate builds, tests, and deployments, reducing release cycle times by 30%. Managed containerized applications with Docker and orchestrated deployments using Kubernetes, enhancing scalability and reliability of services. Mentored and supported interns, delegating tasks and automating routine workflows to improve team efficiency.

Full-Stack Web Developer at CHANCE TO CHANGE

August 1, 2020 - December 1, 2021

Built and maintained MERN applications with responsive React interfaces, contributing to projects used by several thousand users. Reduced bug reports by approximately 20% through consistent debugging, refactoring, and code quality improvements, increasing user satisfaction. Integrated 5+ third-party services and developed reusable frontend components reducing development time for new features by 15%. Collaborated using Git/GitHub to support smooth version control and development workflows in a small team.

Full-Stack Developer at ARTEMICO

April 1, 2023 - Present

Led backend API design and Angular frontend development for healthcare platforms used by 15+ clinics and 200+ practitioners, securely managing 5,000+ patient records with role-based access control, deployed on a Linux VPS and designed for moderate, consistent daily usage. Improved backend response times by 30% through performance tuning and efficient data access patterns. Architected and optimized relational database schemas, reducing average query execution time by 40% and enabling faster retrieval of clinical and operational data. Built Angular dashboards that improved user task efficiency by 25% and supported faster practitioner decision-making. Collaborated with healthcare professionals to digitize appointment scheduling, treatment documentation, and multi-role access, reducing manual paperwork and minimizing scheduling conflicts by 95%. Mentored interns, conducted code reviews, and implemented Docker-based CI/CD pipelines, reducing deployment issues by 35% and shortening release c

Full-Stack Developer | MERN Stack at Chance To Change

August 1, 2020 - December 1, 2021

Worked as a full-time full-stack developer on a commercial Learning Management System (LMS) deployed for multiple client organizations, supporting 500+ students and trainers across 20+ training courses. Contributed to the core LMS platform using MongoDB, Express.js, React.js, and Node.js, implementing secure authentication, role-based access control, and RESTful APIs for concurrent users. Designed and optimized MongoDB schemas for users, courses, lessons, and learner progress tracking, ensuring reliable performance for 500+ active users. Built responsive React interfaces for course management and content delivery, contributing to a 25% increase in course completion rates. Improved application stability through debugging, unit testing, and refactoring, reducing production issues by 30%.

Full-Stack Developer (MERN Stack) at Chance To Change

August 1, 2020 - December 1, 2021

Contributed to a commercial LMS platform using MongoDB, Express.js, React.js, and Node.js; implemented secure authentication, RBAC, and RESTful APIs; designed and optimized MongoDB schemas for 500+ active users. Built responsive React interfaces for course management and content delivery, contributing to a 25% increase in course completion rates. Mentored trainers and supported onboarding; improved application stability via debugging and refactoring, reducing production issues by 30%.