Senior Node.js API Developer

Note:- Client is only accepting Independent Visa candidates - No Visa Sponsorship. Role:- Senior Node.js API Developer Location:- Sterling, VA (Hybrid) Job Type:- Contract To Hire Job Description:- We are seeking a highly experienced Senior Node.js API Developer with over 7 years of expertise in building and maintaining scalable, secure, and efficient backend systems. The ideal candidate will be responsible for designing, developing, and optimizing RESTful APIs and microservices, collaborating with cross-functional teams to deliver high-quality solutions, and ensuring the performance and security of our backend infrastructure. Responsibilities:- Design, develop, and maintain RESTful APIs and microservices using Node.js and Express.js. Write clean, well-documented, and efficient code adhering to best practices. Collaborate with front-end developers, product managers, and other stakeholders to deliver integrated solutions. Optimize application performance, scalability, and security. Implement authentication, authorization, and data validation mechanisms. Conduct code reviews and mentor junior team members. Integrate third-party APIs and external services. Deploy and monitor applications using cloud platforms such as AWS, Azure, or Google Cloud. Build and maintain CI/CD pipelines for automated testing and deployment. Document API designs and technical specifications. Stay updated with the latest industry trends and incorporate innovative solutions. Requirements:- Strong experience in Node.js development. Strong proficiency in JavaScript and TypeScript. Extensive experience with Express.js or similar frameworks. Solid understanding of RESTful API principles, GraphQL (preferred). Experience with microservices architecture and containerization (Docker, Kubernetes). Proficiency with databases such as MongoDB, MySQL, PostgreSQL. Knowledge of authentication/authorization protocols (JWT, OAuth). Hands-on experience with cloud deployment and serverless technologies. Familiarity with version control tools like Git. Excellent problem-solving and communication skills. Ability to work in a fast-paced, Agile environment. Preferred Qualifications:- Experience with DevOps tools and CI/CD pipelines. Knowledge of GraphQL, WebSockets, or real-time communication protocols. Experience with monitoring and logging tools (Prometheus, Grafana, ELK). Preferred Skills:- Node.js & Express.js RESTful API & GraphQL design Microservices architecture Database: MongoDB, MySQL, PostgreSQL Authentication & Authorization (JWT, OAuth) Cloud Platforms: AWS, Azure, Google Cloud Containerization & Deployment: Docker, Kubernetes Version Control: Git, GitHub, GitLab Agile methodologies & DevOps practices.