Senior .NET Software Engineer (Barcelona- Hybrid)

• Develop, test, and maintain backend microservices and APIs using C# and .NET.
• Implement data access layers and write efficient, optimized T-SQL queries and stored procedures.
• Write unit, functional, and integration tests to ensure code quality and system reliability.
• Participate in code reviews and help foster a collaborative, excellence-driven engineering culture.
• Contribute to the CI/CD pipeline supporting automated builds and deployments.
• Troubleshoot and resolve production issues, ensuring system stability and performance.
• Support microservice deployments using Docker, Kubernetes, and cloud-native patterns.

Do you have experience in XML?, Do you have a Bachelor's degree?, * 5+ years of professional experience in backend development.

• Excellent working knowledge of .NET Framework with C#, including:

• Asynchronous programming
• Queuing, caching, and logging
• XML/JSON serialization
• Application security best practices

• Strong SQL Server experience with T-SQL, stored procedures, transactions, ACID principles, normalization, and query optimization.
• Proficiency with data access using Entity Framework, Dapper, and direct SQL queries.
• Expertise in writing unit, functional, performance, soak, and stress tests. (BDD experience is a plus.)
• Strong experience designing and consuming RESTful JSON APIs, including authentication and API Gateway patterns.
• Experience with CI/CD tools such as Git and Jenkins.
• Experience working in both Linux and Windows environments.
• Exposure to Docker, Kubernetes, and serverless patterns on AWS.
• Experience building and deploying microservices at scale.
• Familiarity with infrastructure-as-code tools such as Terraform or Chef is a plus.
• Bachelor's degree in Computer Science, Engineering, or a related field.
• Strong written and verbal English communication skills.

Nice-to-have Skills

• AI Tooling Proficiency: Leverage one or more AI tools to optimize and augment day-to-day work, including drafting, analysis, research, or process automation. Provide recommendations on effective AI use and identify opportunities to streamline workflows.

• Competitive compensation & total rewards
• Health benefits & wellness programs
• Savings & retirement plans
• Global mobility opportunities
• Flexible work policy and remote-friendly approach
• Happy hours, gaming tournaments, sports activities & more
• Continuous learning & training programs with WizeAcademy
• Free certifications in cloud technologies and coding languages

Wizeline, a global AI-centric technology solutions provider, develops cutting-edge, AI-powered digital products and platforms. We partner with clients to leverage data and AI, accelerating market entry and driving business transformation. As a global community of innovators, we foster a culture of growth, collaboration, and impact.