Senior .NET Developer

We are looking for a highly skilled and experienced Senior .NET Developer to join a newly formed, product-oriented development team (POD).
You will work closely with a client-side team consisting of a Product Owner and Technical Lead to design, develop, test, and deploy scalable and maintainable features using a diverse tech stack that includes .NET Core, C#, Vue.js, ReactJS, Python, MS SQL Server, MySQL, Oracle, MongoDB, and DocumentDB. This role also focuses on optimizing application performance in the AWS environment. If you are passionate about full-stack development, delivering robust solutions, and thriving in an Agile, collaborative setting, this opportunity is 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.

• Implement Customer Specific Keys (CSK) functionality across multiple applications
• Utilize AWS services such as AWS Secrets Manager for secure key management and automatic key rotation
• Ensure secure storage, retrieval, and encryption of sensitive client data throughout various applications
• Maintain and enforce security standards aligned with compliance best practices
• Analyze existing applications to integrate CSK solutions effectively
• Refactor and enhance the codebase to improve scalability and performance
• Optimize data modeling and reduce database queries to maximize application efficiency
• Address and resolve challenges to ensure seamless integration and performance within the AWS environment
• Set up robust logging and traceability processes using appropriate tools and frameworks
• Apply microservices architecture principles and leverage AI tools for code optimization where applicable
• Maintain high security and compliance standards during the migration process
• Collaborate with client-side teams to ensure successful project delivery

• At least 3 years of experience working with .NET and .NET Core
• Strong back-end development skills with expertise in writing modular, maintainable, and testable codebases
• Hands-on experience with relational databases (MS SQL Server, MySQL, Oracle) and NoSQL databases (e.g., 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
• Expertise in implementing logging, observability, and traceability within .NET applications
• Excellent problem-solving abilities and the capacity to deliver under tight deadlines
• Strong communication and collaboration skills for effective teamwork
• Proficiency in English at B2 level or higher, both spoken and written

• Previous experience implementing CSK solutions
• Knowledge of AWS Secrets Manager, key rotation, and related security practices
• Experience collaborating with client-side teams
• Familiarity with product lines consisting of multiple applications built with different 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