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Nicolas CastillonNC

Nicolas Castillon

C# .Net Developer | WPF | ASP .Net | Unity 3D

€650/day
Toulouse, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Nicolas

Looking for a C# WPF or Unity 3D developer to join your team?
Looking to define a heavy client product or develop a mobile application?

I am a computer engineer with over 6 years of experience in C# / Unity 3D development.
I have had the opportunity to work with companies such as: Cosika, Expleo Group, SopraSteria Group, and RATP Smart Sytem.

As a developer, I am committed to producing quality code so that your users do not face an application full of bugs.

For the past 7 years, I have specialized in the 3D simulation and code synthesis sector for product definition.

I pay great attention to the impact of my developments on:
- user experience (application fluidity),
- application performance,
- code stability (generic, maintainable code),
- software architecture.

During my last mission at Navocap (a subsidiary of RATP Smart System), I was positioned as the technical leader for the SAE-IV (Operational Assistance System) software. My main mission was to take over the existing software to create a modular product for various clients, with the help of a team of developers. I was able to implement various practices (code quality, coding conventions, code maintainability).

Shall we discuss your project?
Contact me by email:
  • French

    Native or bilingual

  • English

    Conversational

Can work on-site
Toulouse (up to 50km)

Experience

  • Navocap
    Tech lead C# / Wpf
    TRANSPORTATION
    September 2023 - Today (2 years and 10 months)
    Toulouse, France
    Navocap is a subsidiary of the RATP Smart Systems group, created in 2010. With its 200 employees, the group designs, integrates, operates, and maintains ticketing systems, multimodal information systems, and operational assistance systems.

    It is currently the leading French provider of passenger information systems for intercity transport, with 6,000 onboard systems and 3,000 multimodal screens across 70 client transport networks.

    Mission Objectives:
    - As tech lead, I am responsible for refactoring existing code to create a more stable and maintainable product.
    - Code review
    - Creation of a generic project to facilitate product creation.
    - Upskilling the various team members.

    My Achievements:
    - Stabilized existing projects by ensuring various deliveries.
    - Code refactoring
    - Creation of technical documentation
    - Implementation of conventions (code, git, documentation)
    C# .NET Developer WPF Developer C# Developer API CI/CD WPF
  • Sopra Steria
    C# / Unity 3D Developer
    DIGITAL AND IT
    January 2023 - May 2023 (4 months)
    Toulouse, France
    Sopra Steria Group is a recognized service company in Europe (top 5 European players in the IT services sector). It generated revenue of €5.1 billion in 2022 with 50,000 employees worldwide and has a presence in nearly 30 countries.

    Mission Objectives:
    - Deliver applications on the AppStore and Microsoft Store.
    - Review code consistency, quality, and maintainability.
    - Develop new features and fix existing bugs in the applications.
    - Migrate code to integrate it into a CI/CD process and improve it to make it more generic.
    - Train future developers on the production mobile applications (with several thousand users) and on the established coding rules.

    My Achievements:
    - Managed the implemented CI/CD process.
    - Trained teams in understanding the code, architecture, and development rules.
    - Ensured the production release of 3 applications on 2 platforms: iOS and UWP.
    - Maintained the architecture (MVVM) and supported the development of several features for new applications.
    - Provided technical support.
    - Developed and maintained numerous tools to assist the functional team in writing educational content.

    AppStore Link: https://apps.apple.com/fr/app/a320-mate-systems/id1524820950
    MicrosoftStore Link: https://apps.microsoft.com/store/detail/a320-mate-systems/9P94WL99WWKJ?hl=en-ph&gl=ph
    Mobile Development C# Unity 3D Unity CI/CD Azure DevOps
  • LabSoft
    C# / Unity 3D Developer
    DIGITAL AND IT
    October 2021 - January 2023 (1 year and 4 months)
    Toulouse, France
    Labsoft is a service company established in the Toulouse region since 2001. It supports clients in digital transformation with end-to-end solutions. It has a presence in 6 cities: Toulouse, Paris, Bordeaux, Nantes, Angers, and Tunis.

    I was able to join various developer teams and work on multiple projects, including:
    - Integrating a GUI for a military vehicle simulator.
    - Participating in the redesign of web software.
    - Migrating existing code to a more generic version.
    - Integrating new features for a mobile application.
    - Managing and implementing CI/CD processes.
    - Publishing applications on various stores (AppStore, Microsoft Store).
    - Implementing architectures (MVVM).
    - Estimating and developing features.
    - Developing tools for other teams.
    C# Unity 3D Azure DevOps CI/CD iOS UWP

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Education

  • Robotic and Interactive Systems (SRI)
    Université Paul Sabatier Toulouse III - UPSSITECH Engineering School
    2019
    Systèmes Robotiques et Intéractifs (SRI)
  • ICT - Health
    Télécom Physique Strasbourg
    2015
    TIC - Santé

Skill set

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