<p>Kforce has a client that is seeking a Senior TypeScript/Node.JS Software Engineer in Greenwood Village, CO.</p> <p>Key Responsibilities:</p> <ul> <li>Design, build, and maintain scalable full-stack applications using JavaScript and TypeScript </li><li>Contribute primarily to back-end services while remaining comfortable picking up front-end work as needed </li><li>Develop and maintain APIs using REST (GraphQL experience is a plus) </li><li>Work with data stores such as MongoDB and/or PostgreSQL </li><li>Collaborate closely with product, UX, and engineering teammates on new initiatives </li><li>Use AI-assisted development tools responsibly to improve velocity and reduce backlog </li><li>Review, refactor, and extend existing codebases with a strong emphasis on clarity and maintainability </li><li>Clearly explain and justify code decisions - if it's in the codebase, you understand it* 5+ years of professional software development experience </li><li>Strong experience with JavaScript and TypeScript </li><li>Hands-on experience with Node.js and back-end API development </li><li>Front-end experience with React, Angular, or Vue (React preferred, but not required) </li><li>Familiarity with MongoDB or relational databases (PostgreSQL experience acceptable) </li><li>Experience working across the full stack, even if weighted toward back end (e.g., 60/40, 70/30, or similar) </li><li>Strong problem-solving skills and curiosity for learning new tools and technologies </li><li>A collaborative mindset with -strong opinions, loosely held </li></ul> <p>Preferred (Nice-to-Have) Qualifications:</p> <ul> <li>Experience with GraphQL </li><li>Exposure to high-volume or event-driven data systems </li><li>Familiarity with AI-assisted developer tools (e.g., AI-enabled IDEs or coding assistants) </li><li>Experience refactoring or modernizing legacy JavaScript codebases into TypeScript </li><li>Understanding of NoSQL performance optimization (e.g., indexing strategies) </li></ul>