Summary: Seeking a driven JavaScript Developer with AWS and Node.js expertise to develop scalable, high-performance solutions and collaborate on reliable applications. Highlights: 1. Develop scalable, high-performance solutions for complex business challenges 2. Work with cross-functional teams in a fast-paced, collaborative environment 3. Design and deploy cloud-native architectures on AWS We are looking for a driven and talented **JavaScript Developer** with expertise in AWS and Node.js. In this position, you will be responsible for developing scalable, high\-performance solutions to address complex business challenges. You will work alongside cross\-functional teams to deliver reliable applications in a fast\-paced and collaborative environment. **Responsibilities** * Develop and implement backend services and APIs using JavaScript and Node.js for scalable solutions * Work with team members to design and deploy cloud\-native architectures on AWS * Build, maintain, and integrate microservices to ensure smooth system communication * Enhance application performance to achieve high availability and low latency * Take part in code reviews and help establish software development best practices * Set up and manage CI/CD pipelines for streamlined deployment and testing * Diagnose and resolve issues in both production and development settings * Engage with stakeholders to understand requirements and deliver solutions that align with business goals **Requirements** * Minimum of 2 years of hands\-on experience working with Node.js in production environments * Experience with deployment workflows, CI/CD pipelines, and managing microservices with and without containers * Demonstrated ability to create and support REST APIs for scalable systems * Experience building systems designed for high availability and low latency * Working knowledge of payment systems, particularly in acquiring or issuing contexts * Previous involvement with promotions or acquiring processors in financial services * Solid experience with AWS services such as Lambda, EKS, ECS, SQS, SNS, EventBridge, DynamoDB, API Gateway, CloudWatch, and DMS * Proficiency in integration patterns and microservices architecture for distributed applications * Regular use of AI agents and development assistants for solution design, code generation, and ongoing improvement * English language proficiency (written and spoken) at B2\+ level or higher **Nice to have** * Experience using Apache JMeter for load and performance testing * Familiarity with Atlassian Jira for project management and tracking * Knowledge of contract testing tools and PactumJS for validating APIs * Experience with Datadog and Grafana k6 for system monitoring and performance metrics * Background in FinTech and understanding of financial technology requirements * Skills in Java, Python, and JavaScript for multi\-language development environments * Experience working with NoSQL databases for flexible data management * Familiarity with Postman, REST Assured, SoapUI, and SwaggerHub for API testing and documentation * Experience with Zephyr plug\-in for JIRA for managing test cases