Sean DAHISSIHO

Senior Software Developer | System Architecture

Salary / Daily rate

Cotonou, Benin

Freelance

Remote only

Skills

React NativeFullstack DevelopmentNodeFlutterPythonDartBackend DevelopmentMobile DevelopmentLLMs / Large language modelsSQL databasesMachine LearningWebsitesDevOpsBig DataDjangoSQL QueriesData ScienceFirebaseDockerWebflowWordPressAIAWSFlutterFlow

Languages

EnglishFrench

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.

Links

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 🎓

Responsive web application 🤝

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