Kforce has a client that is seeking a Senior JavaScript Developer in Greenwood Village, CO. Overview: We are a leading telecommunications company focused on delivering innovative solutions to customers worldwide. We are expanding our engineering team and are looking for a Senior JavaScript Developer with a deep understanding of cloud-native technologies, database optimization, API troubleshooting, and modern development practices. As a Senior JavaScript Developer, you will play a crucial role in building and maintaining high-performance, scalable systems that support our telecommunications infrastructure. You will work on complex, distributed systems and ensure our applications are robust, efficient, and capable of handling high throughput data. Key Responsibilities: * Senior JavaScript Developer will design, develop, and maintain full-stack applications in a dynamic, fast-paced environment * Troubleshoot and optimize APIs for performance, reliability, and scalability * Work with relational databases (e.g., MySQL, PostgreSQL) and document databases (e.g., MongoDB) to design, optimize queries, and improve storage structures * Implement indexing strategies and data retrieval techniques to optimize database performance * Manage cloud-based infrastructure using AWS services (e.g., EC2, Lambda, RDS, S3, SNS) * Develop and deploy applications in a Kubernetes environment, ensuring optimal performance and scalability * As a Senior JavaScript Developer, you will collaborate with cross-functional teams, including product managers, QA, and DevOps engineers, to deliver features and resolve issues * Lead code reviews, mentor junior developers, and contribute to best practices within the team * Work on large-scale distributed systems that process high volumes of real-time data (Kafka)