Senior Backend Engineer

We are looking for a Senior Backend Engineer to join our innovative team. In this role, you will be responsible for the architecture, development, and maintenance of robust, high-performance backend systems within AWS. You will leverage serverless technologies to deliver scalable, efficient, and secure microservices that align with our evolving business needs. The ideal candidate has a deep understanding of cloud architecture, a passion for clean code, and a proven track record of delivering complex backend solutions at scale.
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.

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• Architect and develop backend systems using AWS services like Lambda, RDS, DynamoDB, and API Gateway
• Build and maintain serverless microservices to support a variety of applications
• Take ownership of backend infrastructure, ensuring high performance, scalability, and security
• Collaborate with cross-functional teams to integrate backend services with frontend applications
• Define and enforce best practices for coding, performance optimization, and testing
• Mentor and guide junior developers to improve their technical skills and expertise
• Write unit and integration tests to ensure system reliability and maintainability
• Continuously evaluate and improve backend architecture, identifying opportunities for automation and optimization
• Participate in code reviews to maintain high standards of code quality

• 3+ years of experience in backend development with a strong focus on AWS services (Lambda, CloudWatch, RDS, DynamoDB, Cognito, API Gateway)
• Proficiency in Node.js and modern JavaScript (ES6+)
• Expertise in serverless architectures and the serverless framework
• Strong experience with RESTful API development and integration
• Hands-on experience with CI/CD tools and deployment automation (GitHub Actions, Jenkins, etc.)
• Proficient in writing automated tests using tools such as Jest or Mocha
• Deep understanding of cloud security best practices and infrastructure management
• Excellent troubleshooting and debugging skills, with the ability to solve complex technical challenges
• B2+ level of English proficiency (both written and spoken)
• Strong communication and collaboration skills, with the ability to work across teams

• 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