
Real job — pulled straight from Qualysoft’s careers page · Verified October 22, 2026 · No reposts.
Job description
Qualysoft is hiring a Senior .NET Engineer — a full-time, based in Bucharest role. Apply directly on Qualysoft's careers page below.
Senior .Net Engineer
Team: Software Development
Location: Bucharest
Workplace Type: hybrid
Responsibilities
• Contribute to backend architecture decisions with a focus on maintainability, security, and multi-tenancy.
• Write efficient T-SQL queries and stored procedures in Microsoft SQL Server and improve query performance
through appropriate indexing, in collaboration with the DBA team.
• Implement data access using Entity Framework Core and/or Dapper.
• Implement integrations with internal and external systems, including message-based communication (e.g.
RabbitMQ).
• Implement secure backend practices, including authentication, authorization, and role-based access.
• Troubleshoot and resolve defects, performance issues, and production incidents.
• Write and maintain unit and integration tests.
• Lead code reviews and contribute to backend coding standards and best practices.
• Participate in modernization and refactoring of existing services.
• Use GitHub Copilot and other approved AI-assisted development tools to improve productivity, while ensuring
code quality and correctness.
• Mentor mid-level and junior developers and collaborate with Product, QA, DBA, and DevOps teams.
Qualifications
• Relevant hands-on experience with Microsoft SQL Server as a relational database.
• Ability to write complex T-SQL queries, including the use of CTEs and temporary tables.
• Knowledge of indexing strategies and the ability to read an execution plan to identify slow queries.
• Experience with Entity Framework Core and/or Dapper.
• Experience designing and consuming REST APIs.
• Experience with asynchronous programming and message-based integrations (e.g. RabbitMQ).
• Good knowledge of object-oriented programming, SOLID principles, design patterns, and clean code.
• Good understanding of web application security, authentication, authorization, and role-based access.
• Practical experience using GitHub Copilot or similar AI-assisted development tools, while maintaining
responsibility for code quality and correctness.
• Experience with Git, code reviews, unit testing, and CI/CD pipelines (Azure DevOps preferred).
• Good communication, collaboration, and mentoring skills
*We are an equal opportunity employer and value diversity. All employment decisions are made without regard to age, gender, disability, race, ethnicity, religion, sexual orientation, or any other protected characteristic. We encourage applicants from all backgrounds to apply.*
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Frequently asked questions
What skills are required for Senior .NET Engineer at Qualysoft?
The required skills for Senior .NET Engineer at Qualysoft include: .NET, C#, ASP.NET, REST, T-SQL, SQL Server, RabbitMQ, Git, Azure DevOps, CI/CD.
What is the seniority level for Senior .NET Engineer at Qualysoft?
Senior .NET Engineer at Qualysoft is a Senior level position.
How do I apply for Senior .NET Engineer at Qualysoft?
You can view the full description and apply for Senior .NET Engineer at Qualysoft on EchoJobs: https://echojobs.io/job/qualysoft-senior-net-engineer-qrvc1.