Senior Backend Developer

We are seeking a Senior Backend Developer with extensive experience in AWS, Node.js, and serverless technologies. As a key member of our development team, you will play a critical role in designing, developing, and optimizing complex backend systems. You will be responsible for architecting robust, scalable, and high-performance microservices using AWS technologies and serverless frameworks. The ideal candidate is passionate about backend development, enjoys solving challenging problems, and has a deep understanding of serverless architecture and cloud-native 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.

• Lead the design and development of scalable and high-performance backend systems in AWS
• Architect and implement serverless microservices using AWS Lambda, API Gateway, DynamoDB, and RDS
• Provide technical guidance and mentorship to junior and mid-level developers
• Ensure high availability and reliability of backend systems through effective monitoring and optimization
• Collaborate with frontend teams to create seamless integration between backend services and user-facing applications
• Drive the adoption of best practices for coding, testing, and deployment
• Conduct code reviews and contribute to continuous improvement initiatives
• Manage the full lifecycle of microservices, including deployment, testing, and scaling
• Research and experiment with new AWS services and serverless technologies to improve our backend infrastructure

• At least 3 years of professional backend development experience with a focus on AWS services (Lambda, CloudWatch, DynamoDB, RDS, Cognito, API Gateway)
• Expertise in Node.js, including experience with modern JavaScript (ES6+)
• Extensive experience with serverless architectures and microservice design patterns
• Deep understanding of cloud-native solutions and the AWS ecosystem
• Proven ability to optimize and scale backend systems for performance, reliability, and cost-efficiency
• Solid experience with unit testing, integration testing, and test-driven development (TDD)
• Experience with CI/CD pipelines and deployment automation (e.g., GitHub Actions, Jenkins)
• Strong knowledge of API design, RESTful services, and microservice communication
• Excellent problem-solving skills and the ability to troubleshoot complex issues
• B2+ level of English proficiency (both written and spoken)
• Strong communication skills and ability to collaborate with cross-functional 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