About
Welcome, I'm Ofsen!
I very much enjoy creating and fixing things. I also enjoy drawing
from time to time.
Posts
Experience
Full Stack Developer
Kantree | Remote, France
Dec 2024 - Present
- Collaborated closely with cross-functional teams to design and implement new tools for project tracking, enhancing user productivity and simplifying task management workflows.
- Implemented automation features that streamlined workflows, improving efficiency and reducing manual intervention for users.
- Played a key role in bringing a business-oriented application aspect to the product, tailoring features to meet the needs of enterprise users.
Full Stack Developer
ENEDIS | Courbevoie, France
Jun 2023 - Oct 2024
- Taking part in the process of building an inhouse application for salary measurements.
- Responsible for deployment in production and test environments.
- Enhanced and built key functionalities for internal tools using React, Symfony, and MySQL, significantly improving system efficiency.
- Optimized user requests and load times, ensuring a smoother and faster user experience.
- Developed a comprehensive back-office tool, empowering administrators to manage settings, notifications, and articles autonomously, reducing dependency on developers.
Front-end Developer - Internship
Kantree | Remote, France
Nov 2022 - Apr 2023
- Rapidly implemented and refined new functionalities using SolidJS, AngularJS, Python, Docker, and PostgreSQL, accelerating project timelines.
- Transformed legacy code to modern standards, improving maintainability and performance, directly contributing to the long-term sustainability of the platform.
Full-stack Developer - Freelance
SMARTEAM | Remote, Algeria
Nov 2021 - Jul 2022
- Executed strong SEO and performance optimizations on WordPress/WooCommerce themes, enhancing site visibility and user engagement.
- Created and optimized new functionalities in PHP, ensuring seamless integration and performance across all web platforms.
- Seamlessly integrated web designs using HTML/CSS and JavaScript, ensuring a cohesive and responsive user interface.
Full-stack Engineer & Web Designer - Freelance
Dns-iT Solutions | Remote, Algeria
Mar 2021 - Jul 2022
- Integrated sophisticated web designs using React, React Native, Redux, and Sass, delivering visually appealing and functional user experiences.
- Developed and optimized backend APIs with ExpressJS and PostgreSQL, contributing to the scalability and reliability of web services.
- Collaborated closely with clients to create wireframes, web designs, and prototypes in Figma, Adobe XD, Photoshop, and Illustrator.
Full-stack Engineer & DevOp - Freelance
Expedia Chrono | Remote, Algeria
Feb 2022 - Apr 2022
- Established GitLab CI on a VPS for continuous integration, enabling a more reliable and streamlined deployment process.
- Laid the foundation for the project's front-end using React, Material-UI, and Redux, and implemented the back-end and database with ExpressJS and PostgreSQL.
Full-stack Engineer - Freelance
Inventeam | Remote, Algeria
Sep 2020 - Nov 2020
- Developed and optimized new functionalities in PHP for WordPress & WooCommerce, focusing on improving the user experience.
- Integrated web designs in HTML/CSS & JavaScript and created mobile applications in React Native.
Education
Master - Web Developer Expert
YNOV Paris Campus | Nanterre, France
Master - Computer Science
Mouloud Mammeri University | Tizi-ouzou, Algeria
Projects
pg-obfuscate
A developer-first CLI tool to obfuscate sensitive Postgres data while maintaining relational integrity and schema awareness.
- Project lead for 7 microservices using NestJS (Hexagonal architecture)
- AI microservice using Python, FastAPI and OpenAI/Whisper model
- Authentication using OpenID Connect (Google, Facebook, Github, Twitter/X)
- Monitoring using Prometheus & Grafana
CloseCap.Me
AI-powered SaaS for video/audio transcription
- Deterministic - Same input + same config = same output
- Schema-aware - Target public or custom schemas (e.g., auth.users)
- Scalable - Uses server-side cursors and batch updates for high performance and low memory footprint
- Safe by default - Dry-run mode, confirmation prompts, and integer overflow protection
- Extensible - Multiple obfuscation strategies with precise type casting
Spotify Clone
Full-stack audio streaming application
- Developed frontend, back-office and backend using React, NestJS and TailwindCSS
- Functionalities to stream .m4a files and infrastructure management
- Docker set up and deployment on Google Cloud and OVH VPS
AirBnB Clone
NextJS, ExpressJS and GraphQL clone
- Responsible for GraphQL implementation and JWT-based authentication system
- Backend developed with ExpressJS and MongoDB
ASP.NET Library
Library to simplify REST API creation in ASP.NET
- Modules for Auth, Filtering, CRUD and Partial response
- Heavy OOP architecture with unit tests and versioning
Electric terminals and Events in Paris
React Native and Firebase mobile application
- Google Maps implementation with events and terminals filtering
- API integration and authentication system
