Über diese Senior .Net Engineer Stelle bei Qualysoft
Qualysoft · Hybrid · Bucharest
About Qualysoft
· 25 years of experience in software engineering, established in Vienna, Austria
· Active in Romania since 2007, with office in central Bucharest (Bd. Iancu de Hunedoara 54B)
· Delivering End to End IT Consulting Services - From Team Augmentation and Dedicated Teams to Custom Software Development
· We deliver scalable enterprise systems, intelligent automation frameworks, and digital transformation platforms
· Cross-industry experience by sustaining global players in BSFI (Banking, financial services and insurance), Telecom,Retail & E-commerce, Energy and Utilities, Automotive, Manufacturing, Logitics, High Tech
· Global Presence: Switzerland, Germany, Austria, Sweden, Hungary, Slovakia, Serbia, Romania, and Indonesia
· International team of 500+ software engineers
· Strategic partnerships: Microsoft Cloud Certified Partner, Tricentis Solutions Partner in Test Automation and Test Management, Creatio Exclusive Partner, Doxee Implementation Partner
· Powered by cutting-edge technologies: AI, Data & Analytics, Cloud, DevOps, IoT, and Test Automation.
· Project beneficiaries ranging from large-scale enterprises to startups
· Stable growth and revenue increase year over year, a resilient organisation in volatile IT market conditions
· Quality-first mindset, culture of innovation, and long-term client partnerships
· Global and local reach – trusted by key industry players in Europe and the US
Responsibilities
• Design, develop, test, and maintain backend services and REST APIs using .NET, C#, and ASP.NET Core.
• 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.
• 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
• At least 7 years of professional experience with C#, .NET / .NET Core, and ASP.NET Core.
• 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
• 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
What We Offer
· Premium medical package
· Lunch Tickets & Pluxee Card
· Bookster subscription
· 13th salary/yearly bonuses
· Enterprise job security with a startup mentality (diverse & engaging environment, international exposure, flat hierarchy) under the stability of a secure multinational
· A supportive culture (we value ownership, autonomy, and healthy work-life balance) with great colleagues, team events and activities
· Flexible working program and openness to remote work
· Collaborative mindset – employees shape their own benefits, tools, team events and internal practices
· Diverse opportunities in Software Development with international exposure
· Flexibility to choose projects aligned with your career path and technical goals
· Access to leading learning platforms, courses, and certifications (Pluralsight, Udemy, Microsoft, Google Cloud)
· Career growth & learning – mentorship programs, certifications, professional development opportunities, and above-market salary
*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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