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Amar F.AF

Amar F.

Tech Lead .NET | ASP.NET Core, React, Architecture

€650/day
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Amar

I am a Tech Lead .NET and Senior Full Stack Developer with over 12 years of experience in designing, developing, and evolving custom web applications, SaaS platforms, APIs, and business tools.

My core expertise lies in ASP.NET Core / C#, React, PostgreSQL, SQL Server, and software architecture. I also work on third-party API integrations, performance optimization, stabilizing production applications, and refactoring complex codebases.

Clients primarily engage me for three types of needs:
– designing and developing an application or platform from scratch,
– taking over, correcting, or making an existing application reliable,
– providing a senior perspective on architecture, code quality, and technical choices.

I don't just execute tasks. I analyze the real need, propose a solution adapted to the business context, and then implement it with particular attention to maintainability, performance, and reliability.

I am particularly effective in:
– SaaS applications and business tools,
– ASP.NET Core backends and APIs,
– React frontends and administration interfaces,
– integrations with third-party services,
– performance issues, technical debt, and stabilization,
– technical support and leadership on demanding projects.

If you are looking for an autonomous, serious, solution-oriented profile capable of seeing the big picture while delivering concrete results, I can help you.
  • English

    Native or bilingual

  • French

    Native or bilingual

Remote only
Primarily works remotely

Experience

  • AMELKIS Solutions
    Tech Lead .NET / Forward Deployed Engineer (FDE)
    February 2024 - Today (2 years and 6 months)
    Paris, France
    - Technical lead on ASP.NET Core APIs and applications: design, development, and production stabilization (quality, security, performance).
    - FDE role: technical scoping with clients/business teams, integration, production deployments, advanced support, complex incident resolution.
    - Data integrations: SQL Server + EF Core, OData (import/export), and RabbitMQ messaging.
    - Observability: setup/operation of production logs with Grafana + Loki to accelerate diagnostics and support.
    - AI (Python + LangChain): data extraction, quality control, and auto-completion/contextual suggestions integrated into the product.
    - Reporting: integration/industrialization of controls and reporting modules.
    ASP.NET Core SQL Server
  • VALIDUS Media
    Lead Developer .NET
    June 2016 - November 2023 (7 years and 5 months)
    - Design, development, and maintenance of .NET web applications/APIs in production.
    - Management and coordination of a multi-national team: technical alignment, quality, delivery, communication in English.
    - Management of dev/test/prod environments: deployments, stabilization, incident resolution, continuous improvement.
    ASP.NET Core React.js Next.js
  • Freelance
    Web Developer (Full-stack)
    DIGITAL AND IT
    May 2013 - January 2016 (2 years and 8 months)
    Constantine, Algeria
    Design, development, and maintenance of websites using the Code Igniter PHP/MySQL Framework.
    Development of WordPress themes and plugins

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Education

  • Mechanical Engineering
    Génie mécanique

Skill set

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