Back End Developer

*This position is remote within Mexico. *This position requires intermediate - advanced spoken English level (B2+). *If you're interested in the position, please apply with your resume in English. Support Services Group is a leading U.S.-based global provider of high-touch omnichannel outsource contact center solutions. Founded in 1998, our award-winning customer experience (CX) solutions have created exceptional outcomes for more than 50 of the world’s top brands and their customers. We are an ambitious team of game changers who thrive on solving complex problems. About the Role: .NET Backend Developer with a strong foundation in building scalable, secure, and maintainable server-side applications using Microsoft technologies. Specializing in C#, Core, and API development, with deep knowledge of software design patterns, system integration. Key Responsibilities: Design, develop, and maintain scalable and secure backend services using C# and .NET/.NET Core. Build and document RESTful APIs for internal and external consumption. Implement data access layers using Entity Framework Core. Write clean, maintainable, and testable code following best practices and design patterns (Decorators, Commands) Participate in code reviews, provide constructive feedback, and ensure adherence to coding standards Troubleshoot, debug, and resolve application issues in production and development environments Integrate with third-party APIs and services, ensuring reliability and performance Contribute to the architecture and design of microservices and distributed systems Maintain CI/CD pipelines and support automated deployment processes Keep up-to-date with emerging backend technologies and recommend improvements Required Qualifications: Bachelor’s degree in Computer Science, Software Engineering, or a related field. 5+ years of professional experience developing backend applications with C# and .NET/.NET Core Strong expertise in Core, Web API, and Entity Framework Core Experience with RESTful API design, versioning, and documentation (e.g., Swagger/OpenAPI). Solid understanding of object-oriented programming (OOP) and SOLID principles Familiarity with unit testing frameworks (e.g., xUnit, NUnit) and mocking libraries. Experience with asynchronous programming, dependency injection, and middleware Knowledge of authentication/authorization concepts, including JWT, OAuth2, and OpenID Connect. Comfortable working with CI/CD pipelines, and DevOps tools (e.g., Azure DevOps) Understanding of microservices, message queues (e.g., RabbitMQ, Azure Service Bus), and distributed systems Good To have: Exposure to Domain-Driven Design (DDD) and event-driven architectures. Familiarity with version control systems like Azure Devops. PHYSICAL REQUIREMENTS: The physical requirements described here are representative of those that must be met by an employee to successfully perform the essential functions of the job. While performing the duties of this job, the employee is regularly required to sit; use hands to manipulate objects, tools or controls; reach with hands and arms; and talk and hear. Specific vision abilities required by this job include close vision, distance vision, peripheral vision, depth perception and the ability to adjust focus. Noise level in the work environment is usually quiet Support Services Group is a CX solutions company who creates amazing experiences for the world’s best brands and their customers. We’re an ambitious team of innovators, risk-takers, and game-changers: the kind of folks who thrive on solving complex problems.