Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

Full-stack developer based in Paris, working across backend and frontend to build analytics and production-grade applications. I enjoy designing algorithms, integrating APIs, and shipping reliable features with clean architecture. I’ve contributed to healthcare and energy awareness platforms, implemented security improvements (MFA), and led a small team to deliver a mobile e-learning product. I also build AI-driven tooling (speech, lip sync, and music generation) and automate workflows using modern web and automation stacks.…Full-stack developer based in Paris, working across backend and frontend to build analytics and production-grade applications. I enjoy designing algorithms, integrating APIs, and shipping reliable features with clean architecture. I’ve contributed to healthcare and energy awareness platforms, implemented security improvements (MFA), and led a small team to deliver a mobile e-learning product. I also build AI-driven tooling (speech, lip sync, and music generation) and automate workflows using modern web and automation stacks.

Seyfeddine Jouini

Full Stack Developer, Web Developer, Programmer, +3





Full-stack developer based in Paris, working across backend and frontend to build analytics and production-grade applications. I enjoy designing algorithms, integrating APIs, and shipping reliable features with clean architecture. I’ve contributed to healthcare and energy awareness platforms, implemented security improvements (MFA), and led a small team to deliver a mobile e-learning product. I also build AI-driven tooling (speech, lip sync, and music generation) and automate workflows using modern web and automation stacks.…Full-stack developer based in Paris, working across backend and frontend to build analytics and production-grade applications. I enjoy designing algorithms, integrating APIs, and shipping reliable features with clean architecture. I’ve contributed to healthcare and energy awareness platforms, implemented security improvements (MFA), and led a small team to deliver a mobile e-learning product. I also build AI-driven tooling (speech, lip sync, and music generation) and automate workflows using modern web and automation stacks.

Available to hire

Full-stack developer based in Paris, working across backend and frontend to build analytics and production-grade applications. I enjoy designing algorithms, integrating APIs, and shipping reliable features with clean architecture.

I’ve contributed to healthcare and energy awareness platforms, implemented security improvements (MFA), and led a small team to deliver a mobile e-learning product. I also build AI-driven tooling (speech, lip sync, and music generation) and automate workflows using modern web and automation stacks.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

English

Advanced

French

Fluent

Work Experience

Software Engineering – Final-Year Internship at GE HealthCare

March 1, 2026 - September 1, 2026

Developed the backend of a Proof of Concept (POC) for a radiology workflow analytics service. Designed an automatic label placement algorithm for medical images, focusing on reliable positioning for medical image workflows.

Software Engineer – Final Year Internship at GE HealthCare

March 1, 2026 - September 30, 2026

Implemented the backend of a proof-of-concept (POC) for a radiological workflow analysis service, developed a model to improve clinical report generation, and designed an automatic label placement algorithm for medical images.

Software Engineering Intern at Paris North Computer Science Laboratory (LIPN)

May 1, 2025 - July 1, 2025

Built an interactive kiosk for energy-awareness at Institut Galilée, adopted by about 200 users within two weeks. Implemented a carpooling module including distance calculation optimization to improve matching and recommendations.

Software Engineer Intern at Laboratoire d’Informatique de Paris Nord

May 1, 2025 - July 31, 2025

Developed an interactive desk to raise awareness of energy challenges and implemented a carpooling module with optimized distance calculation, integrating the application with Docker.

Software Engineer Intern at Expensya (Medius)

July 1, 2023 - September 1, 2023

Implemented Multi-Factor Authentication (MFA) in .NET within the Expensya solution, deployed notably for BNP Paribas. Contributed to secure authentication flows and their integration with the existing platform.

Software Engineer Intern at Expensya, Medius

July 1, 2023 - September 30, 2023

Implemented multi-factor authentication (MFA) in Expensya’s solution.

Co-Founder & CTO at MochaTech

March 1, 2021 - October 1, 2021

Led a team of 4 developers to design and deliver a mobile e-learning application. Enabled curriculum access on students’ devices, supporting 300+ students, and managed technical direction across the product stack.