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Damon JacqueminDJ

Damon Jacquemin

Backend Developer .NET + Mobile

€500/day
Liège, BE
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Damon

Full-Stack .NET Developer with over 5 years of experience in designing and developing business applications, APIs, and internal tools, from concept to production.

I assist companies in transforming their operational needs into reliable, scalable, and maintainable solutions — whether for internal tools, business platforms, or API-oriented systems.

I have led several end-to-end projects, including an HR tool (leave, attendance, and absence management) and a ticketing application, working directly with clients to ensure perfect alignment with their business processes.

My approach is pragmatic and results-oriented: I don't just develop; I design solutions that address concrete problems, optimize workflows, and deliver real long-term value.

On the technical side, I rely on .NET to build robust and secure backends, Next.js for modern and high-performance interfaces, and Kotlin and Swift for mobile needs — allowing me to cover the entire application chain.

Areas of expertise:
• .NET / C# & ASP.NET Core
• REST APIs & backend architecture
• Business applications & internal tools
• Next.js & modern front-end
• Mobile development (Kotlin / Swift)
• Scalability, performance & maintainability

Comfortable in contexts requiring autonomy, direct communication with clients, and a strong understanding of business challenges.

Available for long-term collaborations, with the ability to be operational quickly and deliver value from the early stages of the project.
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Liège (up to 50km), Bruxelles (up to 30km), Charleroi (up to 30km), Namur (up to 30km)

Experience

  • Forge Software
    Freelance
    INTERNET OF THINGS (IOT)
    January 2026 - Today (5 months)
    Huy, Belgium
    After several years in employment, as well as solid personal experience, I decided to fully launch myself as a freelancer.

    My goal is to offer my clients quality solutions, neither oversized nor standardized. Above all, I seek to meet real needs by offering coherent tools, designed to simplify and optimize their daily tasks.

    It is this vision that gave birth to Forge Software.
    .NET Next.js Mobile Development Functional Analysis Web Application
  • EAC
    Software Developer
    INTERNET OF THINGS (IOT)
    April 2024 - February 2025 (10 months)
    Eupen, Belgium
    Tasks performed:
    • R&D
    • Functional analysis of CRM needs for EAC

    • Development of a PoC integrating new technologies/architectures based on the previous tasks (C#, Blazor, MAUI)
    • Active participation in meetings and decision-making regarding interfaces and software architectures.
    • Maintenance of existing projects and creation of APIs (.NET)
    • Training of staff in the context of a TFS-> Git transition
    .NET ASP.NET Blazor ERP Software Mobile Application
  • SEGI
    Fullstack Developer - Web Application
    INTERNET OF THINGS (IOT)
    December 2019 - April 2022 (2 years and 4 months)
    Liège, Belgium
    Development of internal tools (network team/technical service)
    Transition from legacy code to modern technologies (Vue.js, Node.js)

    The position involved working for both the University of Liège and the CHU (university hospital). The applications were mainly intended for internal use, with the exception of the appointment scheduling system during the COVID period, where I worked on the appointment booking form and QR code generation.
    backend-service-development Front-End Development SQL Server Vue3 Node.js

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Education

  • Certification
    Technifutur
    2023
    Formation intensive de 120jours, menée en collaboration avec l’entreprise NeoPixl. Revue des bases + formation complète en Kotlin et Swift et projet de fin de formation.

Skill set

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