Senior .NET Developer

Position Summary

We are looking for a highly skilled and experienced Senior .NET Developer with +3 years of hands-on experience in building and maintaining secure, scalable, and high-performance enterprise applications.

The ideal candidate has good knowledge of backend development, ASP.net REST APIs, MS SQL Server databases, messaging systems, and security standards e.g. OWASP.

Key Responsibilities

• Write secure, testable, and maintainable code following OWASP and clean code standards.
• Design, develop, and maintain scalable and secure .NET Core RESTful APIs.
• Build robust data layers using MS SQL Server and ORMs e.g. Entity Framework.
• Good to know how to implement and maintain NoSQL solutions (e.g., MongoDB).
• Integrate with external systems via Rest/Soap APIs and using different authentication methods.
• Develop and support message-based architectures using RabbitMQ, or ActiveMQ.
• Good to know and maintain CI/CD pipelines using tools like Azure DevOps and GitHub Actions.
• Collaborate with product owners, QA, and other developers in the team.
• Provide support for production applications, perform root cause analysis, and resolve performance and stability issues.
• Participate in code reviews, technical designs, and mentor junior team members.

Technical Requirements

Backend Development

• Expert in C#, .NET Core, and ASP.NET Core Web API
• Understanding of  asynchronous programming, middleware, filters, and request pipelines
• Understanding of Software Development Lifecycle, SOLID Principals, and clean architectures

Database & ORM

• Advanced knowledge of SQL Server, T-SQL, indexing, query optimization, and performance tuning
• Experience with ORMs like Entity Framework Core, Dapper
• Working knowledge of NoSQL databases (MongoDB)

Messaging & Integration

• Experience in queue-based systems: RabbitMQ, ActiveMQ
• Integration with third-party APIs using REST, SOAP
• Knowledge of authentication & authorization protocols ( JWT)

Security

• Strong understanding of OWASP Top 10, and secure coding practices

Monitoring & Production Support

• Hands-on with logging/monitoring tools: Serilog
• Proficient in debugging, profiling, and analyzing application logs

Version Control & Collaboration

• Proficiency in Git: branching strategies, pull request workflows

Soft Skills

• Excellent written and verbal communication skills
• Strong problem-solving, critical thinking, and decision-making abilities
• Demonstrated ownership mindset and ability to take initiative
• Willingness to mentor junior developers and engage in technical discussions

Preferred Qualifications

• Experience in finance, e-commerce, or high-security domains

Education & Experience

• Bachelor’s degree in computer science, Engineering, or equivalent
• 3+ years of professional experience in backend development using the .NET ecosystem