Must-Have: • Experience in full-stack development, ideally with MERN stack • Deep understanding of JavaScript/TypeScript, async patterns, and API development • Hands-on experience with MongoDB design, indexing, and query optimization • Good grasp of version control (Git), testing tools, and build pipelines • Experience with performance tuning and debugging in production environments • Solid understanding of system design, data structures, and clean architecture Good to Have: • Exposure to microservices or serverless architecture • Experience with Docker, AWS, or CI/CD pipelines • Familiarity with product analytics, observability, and monitoring tools • Contributions to open-source projects or tech blogs • Domain knowledge in AEC, construction, or document workflows (bonus)