Backend .NET Developer

At SMS.ir, we are looking for an experienced Backend .NET Developer to join our engineering team and contribute to the development and improvement of our core platform services.


Responsibilities

• Design, develop, and maintain backend services with a focus on reliability, performance, and scalability
• Collaborate closely with the engineering team to improve existing systems and implement new features
• Participate in technical discussions and contribute to architectural and design decisions
• Write clean, maintainable, and well-structured code
• Take ownership of the services and components you work on throughout their lifecycle

Technical Requirements

• 3+ years of professional backend development experience with strong hands-on expertise in C# and modern .NET versions
• Solid experience working with SQL Server, including writing and optimizing queries
• Practical experience with ORM-based and non-ORM data access approaches, with an understanding of their trade-offs
• Good understanding of Clean / Layered Architecture and general software design principles
• Practical familiarity with Domain-Driven Design (DDD) concepts
• Experience working with asynchronous, message-based or event-driven systems
• Experience implementing background processing and scheduled tasks
• Hands-on experience using caching mechanisms to improve performance and reduce system load
• Understanding of logging, monitoring, and debugging in production environments
• Familiarity with search concepts and working with large datasets
• Proficiency with Git and collaborative development workflows
• Ability to write clean, readable, testable, and maintainable code

Soft Skills & Personal Qualities

• Proven experience working effectively in a team environment
• Strong problem-solving skills with the ability to analyze issues and propose solutions
• Sense of ownership and responsibility for delivered code and services
• Active participation in code reviews and openness to feedback
• Strong motivation for continuous learning and technical growth
• Good time management and task prioritization skills