ALTEN Romania is part of the ALTEN Group, Leader in IT and Engineering Consulting. We develop innovative and durable technical solutions that fulfill the needs of our local and international partners.Responsibilities:Design, develop, and maintain backend applications using .NET Framework and .NET Core.Implement business and technical requirements following established coding standards and best practices.Develop and maintain REST APIs and backend services.Write and maintain unit tests.Participate in code reviews and technical discussions.Investigate and resolve defects identified during testing and production support.Collaborate with cross-functional teams throughout the software delivery lifecycle.Create and maintain technical documentation related to implemented solutions, APIs, and application componentsRequired Skills:3+ years of experience with .NET Framework and/or .NET Core.Solid understanding of Object-Oriented Programming (OOP).Experience applying SOLID principles and design patterns.Experience with REST API development and integration.Experience with MSSQL, including writing and optimizing SQL queries.Experience with unit testing frameworks (xUnit, NUnit, MSTest).Familiarity with Git and source control practices.Understanding of Agile software development methodologies.Nice to Have:Experience with Kubernetes or OpenShift.Experience with CI/CD pipelines.Experience with monitoring tools such as Grafana, Kibana, or Prometheus.Previous experience in banking, insurance, or financial services.Expected Seniority:Able to deliver medium-complexity features independently.Requires limited guidance for technical design decisions.Actively contributes to team discussions and technical improvements. Show more Show less