.NET Developer
LEONI
.NET Developer
LEONI
Global supplier of automotive wiring systems
We are seeking an experienced professional in IT Process Consulting and Software Development to lead the design, modernization, and enhancement of our software applications. The ideal candidate will have a solid background in the .NET ecosystem, with proven expertise in maintaining and upgrading legacy systems. This role requires leveraging modern technologies, including AI-powered tools, to deliver scalable, high-performance solutions. Responsibilities include mentoring team members, driving technical strategy, and collaborating with stakeholders to ensure robust and innovative software delivery.
Design, develop, and deploy scalable applications with C#/.NET.
Modernize and maintain legacy systems, ensuring stability during migration.
Use AI-driven tools to optimize coding, debugging, and testing.
Lead architecture sessions and code reviews to enforce best practices.
Mentor developers, fostering technical excellence and growth.
Troubleshoot complex defects and performance issues.
Contribute across the full software development lifecycle.
University degree in Computer Science, Software Engineering, Information Technology, or a related field.
Fluent English (written and spoken)
Minimum 5 years of proven experience in:
C# and the .NET ecosystem (Framework, Core, .NET 8)
Maintaining, migrating, and modernizing legacy .NET applications
Building web applications (Windows Forms, ASP.NET Core, MVC, Xamarin, RESTful APIs)
Object-oriented programming (OOP), SOLID principles, and design patterns
Database development (SQL Server, Oracle SQL)
Version control systems (Git)
Effective use of AI-powered coding assistants and tools
Preferred Qualifications
Experience with cloud platforms (e.g., Azure)
Knowledge of microservices architecture and distributed systems
Experience with CI/CD pipelines and DevOps practices
Experience with front-end technologies such as HTML, CSS, JavaScript, and modern frameworks (e.g., Blazor)
People of all genders are always meant equally; for linguistic simplification and better readability, only the masculine form is used in the text.
LEONI processes your application data in an IT-system that is consistent across the company and uses Foreign Service providers. By sending your application, you agree to this procedure. LEONI ensures the compliance with data protection.
LEONI Wiring Systems de Hermosillo S.A. de C.V.
Leoni is a global supplier of electrical wiring systems and cables for the automotive industry. It designs, manufactures, and supplies wiring harnesses and cable assemblies that connect electrical components in vehicles, providing power and data transmission throughout a vehicle. The product work involves integrated harnesses, connectors, protective insulation, and module assemblies produced at scale in factories around the world to meet automotive OEM specifications. Compared with competitors, Leoni leverages a long history dating back to 1917, a broad international footprint, and deep experience as a dedicated automotive wiring systems partner, enabling large-scale production, consistent quality, and strong OEM relationships. Its goal is to support the evolving needs of the automotive sector by delivering reliable, high-quality wiring solutions and expanding its global manufacturing capabilities to power modern and future vehicle technologies.
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