Senior Contract Software Engineer – PLM/CAD Integrations

Dalus is building a hardware system design platform to make hardware as fast to build as software. We're hiring a senior contract software engineer to build integrations between Dalus and enterprise engineering tools starting with PLM (Windchill, Teamcenter, 3DEXPERIENCE, Aras) and extending to CAD (NX, Creo, SolidWorks, Onshape, Fusion) and requirements tools (Jama, Polarion, DOORS, via OSLC where possible).
This is a hands-on integration-engineering role. You'll write the API clients, the sync logic, and handle auth, revisions, and partial failures against locked-down enterprise systems. Engineering discipline comes first; PLM/CAD domain knowledge second.
This is a fully remote contract role
What you'll do
Build and own production integrations between Dalus and PLM/CAD/requirements tools
Write API clients and sync logic; handle enterprise auth, revisions, effectivity, and partial failures
Build against mocks first when sandboxes aren't available in customer environments
Must have
4+ years shipping production backend services in a team codebase with CI, code review, and tests
Strong in TypeScript and/or Python; comfortable wrapping Java or C# vendor SDKs at the edge
At least one real integration built against a PLM or CAD API you wrote the client, the sync logic, and handled auth, revisions, and partial failures (not just configuration or workflows)
Understands engineering data: parts vs revisions, EBOM/MBOM, effectivity, change objects, CAD structure vs product structure
Experience working in locked-down enterprise environments (VPN-only access, customer IT ticket cycles, no sandbox) and a method for building against mocks first
Strong signals
Worked at a hardware-tooling or PLM-adjacent company or on a vendor's own integration/platform team rather than a services practice
Familiar with OSLC, OData, SOAP, SAML/Kerberos enterprise auth
Public code on GitHub or open-source contributions in this space
Any exposure to SysML, MBSE, or the SysML v2 API
Screen-outs
"PLM consultants" whose experience is configuration, workflow setup, or migration projects with no custom code
Engineers who can only work in Java or C# end to end
Agency profiles with no individual engineer named