Senior Salesforce Developer Needed

We need an experienced Salesforce developer to support an enterprise integration project. This involves building and troubleshooting API connections and Apex triggers between Salesforce and an external platform, with strict data accuracy and reliability requirements. You should be comfortable working independently with minimal ramp-up time, have strong command of Apex, Visualforce/Lightning components, and REST/SOAP API integration patterns, and be available to start soon. This is a short-term, part-time engagement off regular business hours. Looking for someone to work after their regular job. We need someone who can hit the ground running and communicate clearly on progress daily. If you know Spiff then tell me immediately.