Job Title: Senior Node.js API Developer Location :Sterling, VA Locals will be preferred . Anyone is is willing to relocate from EST will also be considered This is a 100% Onsite role Position type: W2 contract. Good development experience on Node JS and is primarily a middleware/ backend development. Experience on react as well. Good knowledge on API , JS and AWS architecture solutioning. Job Title: Senior Node.js API Developer (7+ Years Experience in Node.JS) Job Description We are seeking a highly experienced Senior Node.js API Developer with over 9 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. Key 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. Qualifications • 9+ years of professional 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). Key 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