
Sean DAHISSIHO
Senior Software Developer | System Architecture
Salary / Daily rate
Cotonou, Benin
Freelance
Remote only
Skills
Languages
About me
Intro
Senior software developer skilled in Flutter/Dart, full-stack, and system architecture. Experienced in real-time synchronization, VR integration, and customizable UIs. Worked in France and Benin, leading award-winning projects in education, sports, and enterprise. Combines technical leadership, code quality, and business insight to deliver impactful, sustainable solutions.
Work experience
Lead Front End Developer
CFA NumiaFreelance
Jan 2024 - Jan 2025
1 year 1 month
Remote
• Architected and led the development of a YAML-driven Flutter application, enabling rapid and customizable UI deployments across diverse educational institutions. • Increased website load speed by 30% by developing custom components and implementing efficient state management solutions. • Collaborated with cross-functional teams to drive timely feature releases and improve overall user experience.
Full Stack Software Engineer
GROUPE PRODISERFreelance
Jan 2024 - Jan 2025
1 year 1 month
Remote
• Developed and delivered a fully responsive application across mobile, tablet, and desktop platforms. • Engineered a robust backend using TypeScript/Express.js, integrating Azure Table Service and WebSockets for seamless real-time data synchronization. • Created a custom module to transform static SVG images into dynamic, interactive maps, boosting user engagement. • Executed tri-party data synchronization between Sage, ClickUp, and the database to maintain real-time consistency.
Full Stack Software Engineer
AGONFreelance
Jan 2024 - Jan 2025
1 year 1 month
Remote
• Implemented robust real-time data synchronization using Firebase Cloud Functions to ensure seamless updates across multiple Firestore collections (athletes, coaches, sessions, and games). • Developed scheduled tasks and automated processes for athlete program management, enhancing performance and user engagement. • Integrated mobile app functionalities with an existing VR application in Unity for an enhanced cross-platform experience. • Enhanced the VR application by adding new features and resolving technical issues, significantly boosting reliability. • Contributed to AGON receiving the 2024 "Innovation Design Trophies" award from region Nouvelle-Aquitaine, recognizing innovative solutions in sports and para-sports.
Backend Developer
FasFox
Jan 2023 - Jan 2024
1 year 1 month
Remote
Frontend Developer
ArcadiaFreelance
Jan 2022 - Jan 2023
1 year 1 month
Remote
Software Programmer
TechnoServe
Jan 2022 - Jul 2022
7 months
Cotonou, Benin
TechnoServe Labs and the University of Minnesota created a dashboard to map cashew growing areas in Benin, using satellite imagery and machine learning algorithms. The dashboard will help field teams improve operations and policy makers make better decisions.
Software Development Project Manager
UNICEF Bénin
Feb 2021 - Sep 2021
8 months
57800 Béning-lès-Saint-Avold, France
Front-end && Back-end developper
TechnoServe
Jun 2020 - Mar 2021
10 months
57800 Béning-lès-Saint-Avold, France
BeniBiz project's mobile application for the management of micro-enterprises and SMEs using: - Flutter - Dart - Firebase - Redux
AI Software Developer
Murya Officiel
Aug 2020 - Feb 2021
7 months
57800 Béning-lès-Saint-Avold, France
- Text To Speech (TTS) - Speech To Text (STT) - data collection - model generation - model training - python - keras - pytorch
Assistant Teacher
Epitech Bénin
Sep 2019 - Jan 2021
1 year 5 months
57800 Béning-lès-Saint-Avold, France
In order to respond precisely throughout the year to the students' expectations and allow them to progress, the school's teaching assistants are recruited from among those who make it live: the students themselves. Having followed the same program as the students they work with, they are in a position to assist them. They are selected by the pedagogical team during an admission interview. Supervised by professors, they make sure that the courses given by the teachers have been well understood.
Unity 3d Developer
Sèmè City
Sep 2019 - Jan 2020
5 months
57800 Béning-lès-Saint-Avold, France
- Scenario creation - 3D Modeling - 3D Animation - Voice Over - Augmented reality - C# - Vuforia
Education
EPITECH - European Institute of Technology
Bachelor of Technology - BTech, Ingénierie informatique
2018 - 2023
5 years 2 months
EBS Paris - European Business School
Commerce international
2016 - 2018
2 years 2 months
Portfolio

Responsive web application 🏆

Responsive web application 🎓
