Lead .NET Developer

We are seeking a highly talented and experienced Lead .NET Developer to become a key member of a newly established, product-focused development team (POD).
You will collaborate closely with a client-side team, including a Product Owner and Technical Lead, to design, develop, test, and deliver scalable, high-quality features using an advanced tech stack of .NET Core, C#, Vue.js, ReactJS, Python, MS SQL Server, MySQL, Oracle, MongoDB, and DocumentDB. This role emphasizes optimizing application performance within the AWS ecosystem. If you excel in full-stack development, enjoy creating reliable solutions, and thrive in dynamic Agile settings, this role is ideal for you.
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.

• Deliver Customer Specific Keys (CSK) functionality across multiple applications
• Use AWS services like AWS Secrets Manager for secure key management and automated key rotation
• Ensure sensitive client data is stored, retrieved, and encrypted securely across various applications
• Enforce and uphold security best practices and compliance standards
• Analyze existing applications to successfully integrate CSK solutions
• Refactor and improve codebases to enhance scalability and performance
• Optimize data models and reduce database queries to boost application efficiency
• Resolve integration and performance issues within AWS environments
• Set up effective logging and traceability processes with suitable tools
• Apply microservices architecture principles and utilize AI tools to optimize code where applicable
• Maintain security and compliance throughout the migration process
• Coordinate with client-side teams to ensure smooth project delivery

• 5+ years of experience with .NET and .NET Core
• Strong back-end development expertise with modular, maintainable, and testable codebase design
• Proficiency in relational databases (MS SQL Server, MySQL, Oracle) and NoSQL databases (e.g., MongoDB, DocumentDB), including schema design, query optimization, and configuration
• Proven skills in designing CSK solutions with secure key storage, retrieval, and rotation policies
• Familiarity with AWS cloud services like Lambda, Fargate, and SQS
• Expertise in logging, observability, and traceability implementation within .NET applications
• Strong problem-solving abilities with performance under tight deadlines
• Effective communication and teamwork skills
• Proficiency in English at a B2 level or higher, both spoken and written

• Experience implementing CSK solutions
• Knowledge of AWS Secrets Manager and related key rotation security practices
• Background in projects involving collaboration with client-side teams
• Familiarity with product ecosystems comprising diverse tech stacks
• Background 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