🕒 yesterday
We are seeking a Senior Developer with extensive backend development experience in.NET (C#) to design and implement scalable solutions in a microservices architecture.
Senior .NET Developer
🕒 22 days ago
C#.NETASP.NET CoreREST APIs
📜 Description
- Design, develop and maintain backend applications and services using C#, .NET and ASP.NET Core.
- Analyze business and technical requirements and translate them into clear, maintainable and testable solutions.
- Design and implement REST APIs and system-to-system integrations with clear, versioned contracts.
- Contribute to reusable integration capabilities and avoid application-specific point-to-point solutions.
- Integrate applications using Apache Kafka or equivalent enterprise messaging platforms.
- Develop and optimize database interactions with Oracle and other relational databases.
🛠️ Requirements
- Minimum 7 years of professional software development experience in enterprise environments.
- Minimum 5 years of hands-on backend development experience with C# and .NET / .NET Core.
- Minimum 3 years of hands-on experience with ASP.NET Core.
- Minimum 3 years of experience designing and implementing REST APIs and system-to-system integrations.
- Minimum 2 years of practical experience with relational databases, including Oracle and SQL.
- Minimum 2 years of experience with messaging or event-driven solutions, preferably Apache Kafka.
- Minimum 2 years of experience with Docker and container orchestration platforms such as Kubernetes or OpenShift.
- Proven experience delivering business-critical enterprise applications through the full software delivery lifecycle.
- Experience in banking, financial services or another highly regulated industry is strongly preferred; minimum 2 years is preferred for candidates presented as banking-experienced.
✨ Benefits
- 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
- 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
Full job description
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 and maintain backend applications and services using C#, .NET and ASP.NET Core.
• Analyze business and technical requirements and translate them into clear, maintainable and testable solutions.
• Design and implement REST APIs and system-to-system integrations with clear, versioned contracts.
• Contribute to reusable integration capabilities and avoid application-specific point-to-point solutions where a generic service is appropriate.
• Design and implement synchronous, asynchronous and event-driven interaction patterns based on solution needs.
• Integrate applications using Apache Kafka or equivalent enterprise messaging platforms.
• Develop and optimize database interactions with Oracle and other relational databases, including SQL performance considerations.
• Apply appropriate architectural patterns, including Clean Architecture, Domain-Driven Design and event-driven architecture.
• Implement authentication and authorization mechanisms using OAuth 2.0, JWT and enterprise access-management solutions.
• Build automated unit, component and integration tests using xUnit, NUnit, Moq or equivalent frameworks.
• Participate in code reviews and contribute to clean code, security, performance and engineering-quality standards.
• Containerize applications and support delivery through Docker and OpenShift/Kubernetes-based platforms.
• Contribute to CI/CD and build automation using GitHub Actions or equivalent tooling.
• Implement logging, metrics and distributed tracing aligned with the organization’s observability standards.
• Identify and resolve scalability, reliability and performance issues during development and testing.
• Create and maintain technical documentation, API specifications and implementation notes.
• Use enterprise-approved generative AI tools responsibly to improve development, testing and documentation productivity, while validating all generated output.
Qualifications
• Minimum 7 years of professional software development experience in enterprise environments.
• Minimum 5 years of hands-on backend development experience with C# and .NET / .NET Core.
• Minimum 3 years of hands-on experience with ASP.NET Core.
• Minimum 3 years of experience designing and implementing REST APIs and system-to-system integrations.
• Minimum 2 years of practical experience with relational databases, including Oracle and SQL.
• Minimum 2 years of experience with messaging or event-driven solutions, preferably Apache Kafka.
• Minimum 2 years of experience with Docker and container orchestration platforms such as Kubernetes or OpenShift.
• Proven experience delivering business-critical enterprise applications through the full software delivery lifecycle.
• Experience in banking, financial services or another highly regulated industry is strongly preferred; minimum 2 years is preferred for candidates presented as banking-experienced.
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