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Nkusi

Nkusi

Backend .NET Developer (C# / ASP.NET Core / Azure)

Remote, Brussels, Brussels-Capital Region, BE
+32493405294
English, French

Background


About

About

Backend .NET developer with strong experience delivering, improving and stabilizing real-world applications. Skilled in ASP.NET Core, SQL Server and Azure, with a focus on API design, business logic and system reliability. I combine hands-on delivery with continuous improvement, helping teams solve complex problems, optimize performance and deliver production-ready features end-to-end. Known for ownership, adaptability and fast onboarding in consulting and high-impact environments.

Work Experience

Work Experience

  • Product Builder — Community OS Platform

    Sep, 2020 - Present

    Built the foundations of a Community Operating System, a platform enabling families, associations and cooperatives to manage people, assets, finances and trust in a unified system.

    • Designed and delivered core modules for operations, production planning and financial workflows.

    • Transformed fragmented processes (paper, messaging, spreadsheets) into a structured digital platform.

    • Introduced role-based intelligence, community CRM concepts and early decision-support features.

    • Enabled communities to evolve into structured, transparent and investable economic entities.

    • Developed ASP.NET Core Web APIs and simulation/forecasting endpoints.

    • Designed domain models using Entity Framework Core with SQL Server (relationships, inheritance, financial precision).

    • Implemented resilient external API integrations.

    • Configured Swagger/OpenAPI, dependency injection and JSON serialization.

    • Introduced automated testing with xUnit and CI/CD pipelines using Azure DevOps.

  • .NET Consultant

    Mar, 2021 - Feb, 20242 years 11 months

    Delivered high-impact consulting missions requiring rapid onboarding, autonomy and technical problem-solving across multiple industries.

    • Veolia: Optimized complex SQL Server queries improving performance of billing and operational systems.

    • Vox Teneo: Delivered backend and frontend features under tight deadlines, improving robustness and maintainability.

    • Pulsar: Diagnosed production issues including data inconsistencies, logic errors and performance bottlenecks; improved client satisfaction through structured problem resolution.

    • Atlas Copco: Developed a smart dictionary feature in a WinForms application to standardize engineering terminology across teams.

    • Dog Studio: Built ItsMe authentication POC and integrated Stripe APIs for a reservation platform.

  • .NET Developer Consultant

    Mar, 2020 - Jan, 202111 months

    Contributed to application transition and financial systems within a large-scale enterprise environment.

    • Supported transition of application portfolio from Accenture to TCS by structuring documentation and dependencies.

    • Developed a DevOps dashboard to track application status, ownership and risks.

    • Worked on tVP financial valuation platform delivering reliable features for sensitive financial simulations.

    • Collaborated closely with analysts and stakeholders to ensure accuracy and stability.

  • .NET Developer

    May, 2019 - Oct, 20196 months

    Worked in a small, high-ownership team delivering multiple business applications with strong autonomy and cross-functional collaboration.

    • Developed Inoconnect with dynamic role-based authorization and user management.

    • Built CodaboxApp integrating banking data via external services.

    • Created Inosales platform to support sales prospecting and contract management.

    • Contributed to architecture, feature delivery and technical decisions across all applications.

  • .NET Developer Consultant

    Nov, 2018 - Apr, 20196 months

    Developed industrial applications interacting with mainframe systems for production and quality control.

    • Enhanced WinForms applications tracking production transformation workflows.

    • Built computation engine for quality control and raw material validation.

    • Developed automated certification generation using .NET Core and unit testing.

  • .NET Developer Consultant

    Oct, 2017 - Oct, 20181 year

    Worked across startup and enterprise environments delivering APIs, reporting tools and web platforms.

    • Developed .NET Core APIs at APERAM within a cross-functional team.

    • Built Excel-based reporting system for audit data extraction (UNMS).

    • Migrated legacy internal applications to modular web platforms.(UNMS)

    • Created ASP.NET MVC event-management platform with registration, content sharing and matchmaking features.

  • Android Developer

    Oct, 2012 - Nov, 20131 year 1 month

    Developed Android applications using Java and SQLite.

  • IT Trainer

    May, 2012 - Sep, 20124 months

    Delivered training sessions on digital literacy and software usage for end users.

  • Network Technician

    Feb, 2012 - Apr, 20122 months

    Supported IT migration from Windows XP to Windows 7, including scripting and deployment.

Skills

Skills

  • Backend & API Development

    C#

    .NET

    ASP.NET Core

    REST APIs

    Swagger/OpenAPI

    LINQ

    Entity Framework Core

    SQL Server

    API Integration

    Error Handling

    API Contract Design

    Simulation & Forecasting

  • Architecture & Engineering Practices

    Layered Architecture

    Clean Architecture

    DDD Concepts

    Domain Modeling

    Backend System Design

    Refactoring

    Testability

    Separation of Concerns

    Code Review

  • Cloud, DevOps & Delivery

    Azure

    Azure DevOps

    Git

    CI/CD

    Agile

    Scrum

    Incident Resolution

  • Frontend & UI Collaboration

    Razor

    ASP.NET MVC

    HTML

    CSS

    JavaScript

    Bootstrap

    jQuery

  • Functional & Product Skills

    Requirements Analysis

    Root Cause Analysis

    Stakeholder Communication

    Business-Technical Translation

    Product-Oriented Development

    Decision-Support Systems

Education

Education

  • Software Development, .NET Developer Certification, Business Training

    Oct, 2015 - Apr, 2016

  • Software Development, .NET Developer Training, Bruxelles Formation

    Apr, 2015 - Jun, 2015

  • Software Development & Databases, Professional Training, TechnofuturTIC

    Nov, 2011 - Feb, 2012

Awards

Awards

  • Microsoft Certified Solutions Developer (MCSD): App Builder , Microsoft

    Awarded on: Sep 26, 2016

    Certification demonstrating expertise in building modern web and mobile applications using Microsoft technologies.

Volunteer Work

Volunteer Work

  • .NET Developer Intern, Microsoft Innovation Center

    Oct, 2016 - Oct, 2017

    Worked on IoT and cloud-based applications using Microsoft technologies.

    • Developed UWP applications and IoT solutions using Raspberry Pi.

    • Worked with Azure Service Bus and AllJoyn technologies.