The Lead Software Engineer at Global QMS, Inc. d/b/a Clarivate Analytics (US) LLC in Chelmsford, MA is responsible for gathering user requirements to determine the feasibility of design within time constraints. The role involves implementing the design and architecture of software applications using advanced Javascript frameworks, particularly the Isomorphic SmartClient framework. The engineer will design and develop the server layer of the application, including CRUD operations using Postgres or SQL Server databases, and create custom ETL processes using Java and Javascript frameworks. Additionally, the position requires designing and developing the middle layer for communication with the Postgres database using Java libraries and Remote Procedure Call, as well as the client layer, which includes login, detailed usage, and security aspects of the product using Java, JavaScript, HTML, and CSS. The engineer will also be responsible for producing efficient, clean, and reusable code with automated tests, integrating software components and third-party tools, and redesigning existing code to correct errors and optimize system performance. The role includes creating or updating technical documentation for operational processes, defining and implementing databases and workflows, and executing software system testing and validation procedures. The engineer will communicate design and maintenance information to the project management team, coordinate software system installation, conduct code and architectural reviews, and collaborate with a team of engineers and project managers to determine scopes of work and meet deadlines. Guidance will be provided to other engineers to drive quality and deliverables, although there is no formal hire/fire authority associated with this position.