Senior .NET Developer

We are seeking a highly skilled and experienced Senior .NET Developer to join a newly established, product-oriented development team (POD).
You will collaborate closely with a client-side team, including a Product Owner and Technical Lead, to design, develop, test, and deploy scalable and maintainable features using a diverse tech stack, including .NET Core, C#, Vue.js, ReactJS, Python, MS SQL Server, MySQL, Oracle, MongoDB, and DocumentDB. In this role, you will also ensure optimal application performance within the AWS environment. The ideal candidate will have a strong background in full-stack development, a passion for building reliable solutions, and the ability to thrive in an Agile, collaborative setting.
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.

• Implement Customer Specific Keys (CSK) functionality across multiple applications
• Use AWS services like AWS Secrets Manager for secure key management and automated key rotation
• Ensure secure storage, retrieval, and encryption of sensitive client data across applications
• Maintain compliance and adhere to security standards throughout all processes
• Evaluate and enhance existing applications to accommodate CSK solutions
• Refactor and improve codebases to meet scalability and performance objectives
• Optimize data modeling and reduce database query complexity to improve efficiency
• Address and resolve challenges to ensure smooth integration and performance within the AWS environment
• Develop and implement comprehensive logging and traceability systems using appropriate tools and frameworks
• Apply microservices architecture best practices and leverage AI-driven tools for code refactoring when applicable
• Ensure security and compliance standards are upheld throughout the migration process
• Collaborate with client-side teams to align on objectives and deliver successful outcomes

• A minimum of 3 years of professional experience working with .NET and .NET Core
• Strong expertise in back-end development with a focus on writing modular, maintainable, and testable codebases
• Extensive experience with relational databases (MS SQL Server, MySQL, Oracle) and NoSQL databases (MongoDB, DocumentDB), including schema design, query optimization, and configuration management
• Proven ability to design CSK solutions with secure key storage, retrieval, and rotation policies
• Familiarity with AWS cloud services, including Lambda, Fargate, and SQS
• Proficiency in implementing logging, observability, and traceability within .NET applications
• Strong problem-solving skills with the ability to perform effectively under tight deadlines
• Excellent communication and collaboration skills for working in team environments
• Proficiency in English at B2 level or higher, both written and spoken

• Hands-on experience implementing CSK solutions in previous projects
• Knowledge of AWS Secrets Manager, key rotation processes, and related security practices
• Previous experience working within client-side teams
• Familiarity with product lines consisting of multiple applications built using different tech stacks
• Experience in Python development

• Connectivity Bonus (15,000 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