Senior C#/.NET Developer at Jobgether in France, FR

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior C#/.NET Developer based in France.

We are seeking an experienced software engineer to design and build scalable, high-performance applications in a fully remote environment. This role offers the opportunity to work on complex technical challenges using modern development practices and cloud technologies. You will contribute to enterprise-level solutions, architecture decisions, and the evolution of reliable software platforms. The position is ideal for a senior developer who enjoys ownership, collaboration, and solving challenging engineering problems. You will work with distributed teams, leverage cutting-edge tools, and have opportunities to mentor others. This is a role where technical expertise, initiative, and leadership potential can make a direct impact.

Accountabilities:

The Senior C#/.NET Developer will be responsible for designing, developing, and maintaining robust software solutions while contributing to technical direction and engineering excellence.

- Design, develop, and implement scalable enterprise applications using C# and .NET technologies.
- Build and maintain resilient software architectures following modern engineering principles and best practices.
- Develop and optimize cloud-based solutions using AWS services such as EC2, S3, Lambda, RDS, and CloudFormation.
- Contribute to microservices architecture design and implementation to support scalable and maintainable systems.
- Work with relational databases including Microsoft SQL Server and PostgreSQL to build efficient data-driven applications.
- Collaborate with cross-functional teams to define technical solutions, troubleshoot complex issues, and deliver high-quality software.
- Develop front-end integrations and user-facing features using React.js where required.
- Participate in code reviews, technical discussions, and continuous improvement initiatives.
- Mentor other developers and contribute to building strong engineering practices.
- Take ownership of projects, ensuring reliability, performance, and operational readiness.

Requirements:

    The ideal candidate is a highly experienced software engineer with strong expertise in backend development, cloud technologies, and scalable application design.
    - 5+ years of professional software development experience with demonstrated ownership of complex projects.
    - Strong proficiency in C# and .NET with experience building enterprise-grade applications.
    - Solid experience designing and implementing scalable software architectures.
    - Hands-on experience with AWS cloud services, including EC2, S3, Lambda, RDS, and CloudFormation.
    - Strong understanding of microservices architecture and distributed systems.
    - Experience working with Microsoft SQL Server and PostgreSQL databases.
    - Experience with React.js and modern front-end development practices.
    - Ability or potential to mentor developers and contribute to technical leadership activities.
    - Bachelor’s degree or higher in Computer Science, Engineering, or a related discipline, or equivalent professional experience.
    - Strong written and verbal English communication skills.
    - Ability to collaborate effectively across different time zones in a remote environment.

Benefits:

        - Fully remote work environment with flexibility to choose your location and working schedule.
        - Opportunity to work with modern technologies and challenging software projects.
        - Flexible hours and the ability to work from the environment where you are most productive.
        - Professional growth opportunities through training and continuous learning.
        - Consistent workload with engaging and technically challenging assignments.
        - Performance-based recognition and annual compensation reviews.
        - Competitive hourly compensation based on skills and experience.
        - Monthly contractor payments through secure payment processes.
        - Opportunity to collaborate with a global team of experienced professionals.

How Jobgether works:

We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team.

We appreciate your interest and wish you the best!

Why Apply Through Jobgether?

Data Privacy Notice: By submitting your application, you acknowledge that Jobgether will process your personal data to evaluate your candidacy and share relevant information with the hiring employer. This processing is based on legitimate interest and pre-contractual measures under applicable data protection laws (including GDPR). You may exercise your rights (access, rectification, erasure, objection) at any time.

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