About the Role
Polus Solutions is looking for a highly experienced Senior .NET Backend Developer (Contract Role) with deep expertise in Microsoft SQL Server and enterprise-grade backend systems. This role requires strong technical leadership and hands-on development capabilities. Experience in the travel and booking domain is a strong plus.
Key Responsibilities
- Design, develop, and maintain backend services using C# and .NET Core / .NET Framework.
- Develop, review, and optimize complex stored procedures, triggers, views, and SQL queries in Microsoft SQL Server (MSSQL).
- Build and integrate RESTful APIs and Web Services.
- Architect scalable, secure, and maintainable backend systems.
- Collaborate closely with front-end developers, QA engineers, DevOps, and business analysts to ensure seamless delivery.
- Perform code reviews, write unit tests, and create supporting documentation.
- Diagnose and resolve backend performance issues and database-level inefficiencies.
- Implement robust data integrity, backup, and disaster recovery practices.
- Manage code using Git or similar version control tools.
- Work within Agile/Scrum-based project teams to meet sprint objectives.
Required Skills & Qualifications
- Bachelor’s degree in Computer Science, Engineering, or a related discipline.
- 10+ years of professional experience in backend development using C#, .NET Core, and/or .NET Framework.
- Advanced hands-on expertise in Microsoft SQL Server, including performance tuning, indexing, normalization, and query optimization.
- Proficient in Entity Framework / ADO.NET.
- Strong experience in building RESTful APIs and microservices.
- Solid understanding of software design patterns and principles (SOLID, DRY, etc.).
- Familiarity with unit testing frameworks such as NUnit or MSTest.
- Hands-on experience with Git for version control.
- Exposure to Azure SQL, Azure DevOps, and CI/CD pipelines is a strong advantage.
- Knowledge of messaging queues like RabbitMQ or Azure Service Bus is a plus.
- Sound understanding of backend and database security standards.
- Preferred: Prior experience in building or supporting travel and booking websites or platforms.
Soft Skills
- Excellent analytical and problem-solving capabilities.
- Strong interpersonal and communication skills.
- Proven ability to work independently and meet deadlines in a fast-paced environment.
- Continuous learning mindset and adaptability to new technologies.
Apply now
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