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Rémi RousseauRR

Rémi Rousseau

.NET/C# Senior Developer - Fullstack

€650/day
Nantes, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Rémi

.NET Full Stack Developer specializing in Angular, React, Python, and Flutter. I combine technical expertise with an innovative spirit to design robust applications, from desktop to modern web and mobile applications.
  • English

    Conversational

  • French

    Native or bilingual

Remote only
Primarily works remotely

Experience

  • ACOLAD
    Fullstack Developer
    August 2024 - Today (2 years)
    Development of translation and language management applications
    Objectives:

    • Develop advanced translation features
    • Maintain a clean and scalable architecture
    • Collaborate with an international team
    Mission Details:

    • Full-stack development with React and .NET 8
    • Maintenance and evolution of interactions between project managers and translation tools (CAT tools)
    • Implementation of CQRS and Clean Architecture patterns
    • Collaboration with globally distributed teams
    .NET React.js MCP PostgreSQL SQL Server
  • DI2R
    Internal Project
    November 2023 - Today (2 years and 9 months)
    • Real Estate Valuation (2026, ongoing): Web application for property valuation and comparison based on DVF data (notary sales), deployed in production with CI/CD GitHub Actions and centralized logging. .NET 8, React, TypeScript, PostgreSQL, Docker
    • Tax Optimization Simulator (2025, ongoing): Comparison of investment strategies (EURL/SASU vs. direct) with 10-year tax projections, scenario analysis, and Excel export preserving formulas. Python, FastAPI, React, TypeScript, PostgreSQL
    • AI Tooling for Development (2026, ongoing): CLI orchestrator controlling multiple Claude Code agents in parallel within isolated git worktrees, and MCP server for semantic code search (Qdrant embeddings, FalkorDB graph, Tree-sitter parsing). Python, FastAPI, React, Qdrant, FalkorDB, Ollama
    • Digital Bullet Journal (2025, ongoing): Task management according to Eisenhower matrix with dependencies, habit tracking, and multi-user support. Backend in Clean Architecture tested with Testcontainers. .NET 9, Flutter, Riverpod, PostgreSQL, Keycloak
    • Gift Manager (2024, ongoing): Gift coordination by event with visibility rules per user group (surprise gifts). .NET 9, Flutter, PostgreSQL, Keycloak
    • Unraid Server Infrastructure — homelab (since 2023): Self-hosted services (private Docker registry, n8n, Keycloak, PostgreSQL, HTTPS reverse proxy), local AI (Ollama / Open WebUI), observability (Loki, Grafana, Promtail), home automation (Home Assistant, Zigbee2MQTT, Frigate), and self-hosted CI/CD pipeline to a production VM.
    • Plant Management System (since 2023): Connected plant monitoring in a microservices architecture — multi-platform Flutter app, .NET API, alert service (RabbitMQ + push notifications), and weather aggregation to optimize watering. .NET 8, Flutter, RabbitMQ, Firebase, PostgreSQL
    .Net 8 Flutter Python React MCP Server
  • DELOITTE FINA
    Systems Engineer and Developer
    CONSULTING AND AUDITS
    February 2023 - Today (3 years and 5 months)
    Development, correction, and improvement of tools used for financial audits.
    The objective was to:
    - Make two tools currently used in Luxembourg compatible with specific French business rules.
    - Make corrections and feature improvements.
    .NET Angular CQRS Domain Driven Design SQL Server

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Education

  • Systems, Networks, and Databases Administrator (ASRBD)
    EPSI
    2013
  • Development Diploma
    EPSI
    2013

Skill set

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