Software Engineer

DescriptionKforce has a client in Waltham, MA that is seeking a Software Engineer to work onsite 5 days/week. The Software Engineer will develop and deliver software solutions within a CAD/MCAD environment. This is a backend-heavy development role focused on building applications, add-ins, APIs, integrations, and automation tools. This role will develop working, installable reference solutions; support integration, testing, deployment, and troubleshooting; identify API/SDK/tooling gaps, and provide documentation and knowledge transfer to internal teams.Requirements* Strong C#/.NET development experience, especially backend software engineering; This has consistently been a core requirement* CAD/MCAD software experience, ideally developing software tools, applications, add-ins, or integrations within a CAD environment* SOLIDWORKS experience is ideal, but comparable CAD platforms such as Siemens NX, AutoCAD, Revit, CATIA, Creo, etc., have been considered* API/SDK development, especially CAD APIs, plugins, add-ins, integrations, and engineering workflow automation* Experience building production software, not just using CAD as an end user. The client wants someone who has built applications/tools for the MCAD industry* REST/JSON APIs and secure credential handling* Git, build/release processes, testing, and debugging* Windows application installation, packaging, versioning, and updates* API/SDK troubleshooting and reproducible defect reporting* Ability to create technical documentation, sample code, and knowledge-transfer materials* VBA/VSTA macros experience* Python experience* 3D experience* AI/LLM or external-service integration experienceJob TypeContractCompensation100 - $125