Client Reporting & Invoicing Specialist

Location: Argentina (Remote)

Employment Type: Independent Contractor (US Contractor)

Oasis is seeking a highly organized and detail-oriented Client Reporting & Invoicing Specialist to support our monthly client reporting and billing processes. This position is responsible for preparing referral fee reports, generating and sending invoices, maintaining accurate financial records, and assisting with Stripe credit card reconciliations.

The ideal candidate is fluent in English with excellent written and verbal communication skills, thrives on accuracy, and consistently meets recurring monthly deadlines.

• Prepare and distribute monthly referral fee reports for clients accurately and on schedule.
• Generate, review, and email client invoices using Excel and other reporting tools.
• Ensure all monthly reports and invoices are completed and delivered within established deadlines.
• Verify referral fee calculations and investigate discrepancies as needed.
• Perform Stripe credit card reconciliations and assist with payment reconciliation.
• Maintain accurate billing records and supporting documentation.
• Respond professionally to client inquiries regarding invoices, payments, and reporting.
• Collaborate with internal teams to gather reporting data and resolve billing issues.
• Recommend process improvements to increase reporting accuracy and efficiency.
• Maintain confidentiality of client and financial information.
• Perform additional administrative and accounting support duties as assigned.

• Must reside in Argentina.
• Available to work as an Independent Contractor for a U.S.-based company.
• Minimum of 2 years of experience in billing, invoicing, accounting support, financial reporting, or a related administrative role.
• Advanced proficiency in Microsoft Excel, including formulas, pivot tables, sorting/filtering, and data management.
• Experience with Stripe or other online payment platforms is preferred.
• Strong organizational and time management skills.
• Exceptional attention to detail and accuracy.
• Ability to manage recurring monthly deadlines with minimal supervision.
• Professional, dependable, and self-motivated.

• Excellent written and verbal English communication skills are required.
• Must be comfortable communicating professionally with U.S.-based clients and internal teams.
• Ability to prepare professional emails and financial reports in English.

• Experience working remotely for a U.S. company.
• Familiarity with CRM, ERP, or accounting software.
• Experience reconciling credit card transactions and financial reports.

• Attention to Detail
• Organization & Time Management
• Financial Accuracy
• Communication
• Accountability
• Analytical Thinking
• Customer Service
• Confidentiality
• Problem Solving

• Independent Contractor Position
• Fully remote position.
• Opportunity to work with a growing U.S.-based organization.
• Collaborative and supportive team environment.

This version is written as a market-ready job posting that can be used on LinkedIn, Indeed, or international hiring platforms while clearly setting expectations for location, contractor status, English proficiency, and compensation.