About YEM MBACK PIERRE

Discover my areas of expertise in versatile IT.

Software & Application Developmen

Web & Mobile Development (Full-stack, Frontend, Backend, API-first, Microservices, ERP, CMS)
Mobile Development (Flutter, Ionic, React Native, PWA)
Programming Languages (JavaScript, TypeScript, PHP, Python, C/C#, Java, Dart, Kotlin, Rust, HTML5, CSS3, SQL, R)
Rapid Prototyping & Experimental Development (POCs, new frameworks, AI integration)

IT Technician, IT Manager & Helpdesk

IT systems installation, configuration, and maintenance
Network management, server administration (Linux & Windows)
Technical support, hardware/software troubleshooting, workflow optimization

Freelance Consultant

Infographist / UI & UX Designer

UI/UX Prototyping: Figma, Adobe XD
Graphic Design & 3D: Adobe Illustrator, Photoshop, motion design basics, Blender
Design Systems & Wireframing: Wireframing, visual communication, Swehome

Digital project management (international clients)
Software design, development, and deployment
Business process optimization & custom solutions

Education / Academic Background

2023–2024 – P Force N – Frontend Development Certification
2018–2020 – ISI Dakar – Master’s in Software Engineering
2017–2018 – ISI Dakar – Bachelor’s in Software Engineering
2016–2017 – ISI Dakar – Higher National Diploma (HND) in IT
2013–2014 – IAI Cameroon – 2nd Year Bachelor’s in Software Engineering
2011–2012 – IAI Cameroon Dakar – 1st Year Bachelor’s in Software Engineering
2010–2011 – CPF Eseka – IT Technician Certification
2010–2011 – University of Yaoundé I – Philosophy
2009–2010 – Collège Victor Hugo – Baccalaureate A (Literary Track)
2005–2009 – Collège Victor Hugo – Probatoire A
2001–2005 – Lycée d’Eseka & Lycée Tinga – BEPC
1995–2001 – École Publique Groupe II d’Eseka – Primary School Certificate (CEPE)

Professional Experience

Freelance Consultant – Web, Mobile Development & Project Management Remote work and in-person work
Fulls-stack Developer Jun 2023 - Present
During this period, I specialized in delivering software engineering services. As an independent consultant, I support international companies (France, Senegal, Morocco, Cameroon) in the design, development, and management of digital projects, covering the entire lifecycle of digital solutions with a strong focus on performance, security, and scalability.
I have collaborated with numerous clients, delivering tailored solutions adapted to their business needs, including: Geremmo (France), SAS Likalo (France), The Sustain (France), Hôtel Lepays (Senegal), Embassies of Cameroon (Senegal), UPC (Cameroon), IS (Cameroon), Makeda Groupe (Senegal), Powerfleet (Morocco), etc.
Achievements :
- Successfully delivered multiple projects for international clients, contributing to the optimization of systems and business processes across sectors such as tourism, energy, and education.
- Analyzed and modeled complex applications, including overall architecture design, user interactions, and database structures to ensure performance, scalability, and maintainability.
- Managed complex digital projects, implementing agile methodologies, planning, monitoring, and team coordination.
- Designed and developed robust full-stack architectures (REST/GraphQL APIs, microservices) ensuring scalability, maintainability, and high availability.
- Managed the full application lifecycle, from design to continuous updates, including CI pipelines and agile tracking via Azure DevOps.
- Implemented CI/CD pipelines with automated testing and deployment, improving reliability and reducing time-to-market.
- Established advanced security mechanisms (JWT, OAuth2, XSS/CSRF protection, sensitive data encryption).
- Developed high-performance web and mobile applications with advanced optimization techniques (lazy loading, caching, significant load-time reduction).
- Deployed and orchestrated containers using Docker and Kubernetes, ensuring scalability, resilience, and automation.
- Modeled and optimized SQL, NoSQL, and embedded databases, improving performance and handling scalability challenges.
- Implemented data solutions including data lakes and data warehouses to centralize and leverage strategic business data.
- Deployed and administered cloud and VPS infrastructures (virtualization, monitoring, logging), ensuring resilience and high availability.
- Developed innovative IoT solutions (connected locks, fleet management systems) with real-time communication and remote monitoring.
- Integrated third-party services and external APIs (payment, geolocation, notifications), enhancing business features and user experience.
- Implemented and integrated ERP and CMS solutions, including custom modules and tailored themes.
- Designed and deployed system and network infrastructures for SMEs, ensuring security, stability, and service continuity.
- Installed, configured, and maintained complete IT environments, optimizing system performance.
- Mentored junior developers and enforced best practices (clean code, code reviews, architecture standards).
- Collaborated closely with stakeholders to align technical solutions with business objectives, with a strong results-driven approach.
- Produced technical and functional documentation to ensure maintainability and knowledge transfer.
Web Developer– Powerfleet Remote & On-site (Marrakech, Morocco)
Full Stack Web Developer Oct. 2022 – Jun. 2023
As a Full Stack Developer, I was responsible for the design, development, and maintenance of web applications for Powerfleet, an innovative company specializing in connected vehicle fleet management. I worked remotely for over 6 months before continuing on-site in Marrakech, collaborating closely with product and operations teams to optimize business processes and deliver scalable and secure solutions.
Key Achievements
· Designed and developed responsive full-stack web applications (front-end and back-end).
· Optimized and upgraded the fleet management application based on GPS Server.net, improving overall performance and adding new real-time features.
· Developed custom modules for Dolibarr ERP, tailored to specific business needs, enhancing and extending existing ERP functionalities.
· Implemented real-time geolocation and fleet tracking solutions using external APIs, providing accurate vehicle status and location data.
· Ensured continuous maintenance and evolution of existing applications, delivering regular updates and quickly resolving issues to guarantee stability, security, and performance.
· Performed occasional maintenance of the dedicated server hosting company applications and databases.
· Collaborated closely with stakeholders to gather business requirements, define priorities, and translate them into technical solutions aligned with strategic objectives.
IT Services Provider Dakar / Saly / Kédougou, Senegal and Remote
Developer, IT Technician, IT Manager & Helpdesk Aout. 2018 - Mars 2022
§ Managed 3 major service and subcontracting contracts, overseeing the design, installation, and deployment of local applications, as well as hardware and software maintenance for Ab. Sendou (Sendou), Complexe Le Reflet (Miname), and Sored Mines (Kédougou), ensuring quality, deadlines, and client satisfaction.
§ Developed and maintained custom software solutions, including web applications (online and on-premise), and deployed ERP and CMS systems with tailored modules to meet specific business needs.
§ Designed and administered IT systems and infrastructures, ensuring data security, service availability, and system reliability for both national and international clients.
§ Installed and configured IT and network environments for SMEs, ensuring performance, stability, and infrastructure optimization.
§ Provided technical support and IT maintenance, including troubleshooting hardware and software issues and optimizing system performance for local clients.
§ Built local servers to centralize data and improve operational efficiency.
§ Managed digital projects for national clients, from planning to execution.
§ Conducted technical audits and provided strategic support for public institutions and organizations (including embassies and microfinance institutions), improving security, efficiency, and modernization of existing systems.
IT Technician – Implants & Services Yaoundé, Cameroun
IT Technician &Helpdesk Nov. 2014 – Sept. 2016
§ Installed and maintained IT systems and networks for private and public clients, ensuring service continuity and infrastructure stability.
§ Provided archiving and technical support during international events, ensuring proper functioning of equipment and participant satisfaction.
§ Contributed to public sector IT projects, supporting infrastructure modernization and business process optimization.
§ Designed office templates and materials (Excel, PowerPoint, publications), improving data management, internal communication, and professional presentations.
Technical Coordinator – Cercle Municipal Eseka, Cameroun
IT support , Technician &Helpdesk Sep. 2012 – Oct. 2013
 Formation et encadrement technique des équipes locales, renforçant les compétences internes et améliorant la productivité des services informatiques.
 Installation, configuration et maintenance des infrastructures informatiques, incluant PC, imprimantes et caméras, garantissant la performance, la sécurité et la disponibilité des systèmes pour les utilisateurs.
 formation des équipes locales à la Conception de supports graphiques et marketing, tels que flyers, cartes de visite et publications, facilitant la communication visuelle et la promotion des activités de la municipalité.