Remote Sr. Salesforce Developer-w2 only

Client is looking for someone with direct Salesforce CPQ, and usage and/or consumption billing experience., * 3+ years HANDS-ON, RECENT Salesforce CPQ + Billing (custom Apex, not just config). Must be current (within the last ~2 years).

• Strong custom Apex at scale - triggers, batch/queueable, governor-limit-aware. This is a builder role, not an admin/architect role.
• Real usage/consumption OR complex billing logic - prepaid balance, overage true-ups, OR comparable custom billing automation. (They need at least ONE of these done for real.)
• Custom REST integration experience with real data volume.