We are seeking a skilled **Middle Full\-Stack .NET Developer** to join an agile product\-focused development team. You will collaborate closely with client\-side stakeholders including the Product Owner and Technical Lead to design and enhance scalable web applications using .NET Core, ReactJS or Vue.js, and Microsoft SQL Server, ensuring smooth operation in a cloud environment such as AWS. Join us to contribute your expertise and help deliver robust solutions. EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi\-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting\-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential. **Responsibilities** * Create web applications using ASP.NET Core combined with ReactJS or Vue.js * Evaluate existing applications to support multi\-tenant architectures * Revise and optimize codebases for scalability and improved performance * Enhance application performance by refining database queries and data models * Coordinate integration and deployment within AWS, addressing Kubernetes (AWS EKS) related aspects * Implement robust logging and traceability solutions with appropriate tools * Follow best practices for microservices and AI\-based code improvements * Maintain strict compliance and security standards for multi\-tenant features * Work closely with Product Owner, Technical Lead, and development team members **Requirements** * 2\+ years of experience developing with modern .NET and .NET Core versions * Proficient in ASP.NET Core development * Competent in Vue.js or ReactJS with focus on state management and asynchronous operations * Knowledgeable in MS SQL Server including database design and query tuning * Familiarity with MongoDB or other NoSQL databases * Solid understanding of Kubernetes, preferably AWS EKS * Experience with AWS services such as Lambda, Fargate, and SQS * Good grasp of microservices, RESTful APIs, web services, and data modeling * Hands\-on experience with Git version control * Skills in establishing logging, observability, and traceability for .NET applications * Strong analytical and problem\-solving skills under pressure * Excellent team collaboration and communication capabilities **Nice to have** * Background in migrating from single\-tenant to multi\-tenant architectures * Familiarity with CI/CD pipelines and related tooling * Knowledge of web security best practices * Experience in performance tuning and optimization of .NET applications * Exposure to multiple product lines utilizing diverse technology stacks * Proficiency in Python **We offer** * Connectivity Bonus (25,000 ARS are paid with a salary receipt at the end of each month as a non\-wages concept). * Medicina Prepaga (It covers the collaborator and direct family group). * Paternity Leave (Two additional days are added to what is established by law, total of 4 days). * Discounts card. * English Training (English lessons, twice per week). * Training Program (Access to multiple customized training plans according to the needs of each role within the company). * Marriage bonus (The company doubles the allowance established by law that ANSES offers). * Referral Program (Referral bonus is paid when the referral of a collaborator joins the Company). * External Agreements and Discounts. * Vacations: 14 calendar days a year *By applying to our role, you are agreeing that your personal data may be used as in set out in EPAM´s Privacy Notice and Policy.*