Accounts Payable Accountant

Location: Mexico City, Mexico, Mexico - Remote

Department: Finance & Accounting

Location Type: REMOTE

Employment Type: FULL_TIME

• Review, verify and process vendor invoices through procurement software, and ensuring accurate, timely payment execution
• Maintain vendor master data and payment records with precision.
• Partner with budget owners and bill owners to resolve approval delays and answer payment status questions.
• Manage vendor correspondence including responding to inquiries, resolving invoice discrepancies, and chasing down the root cause of payment issues.
• Follow established AP procedures and controls, and speak up when you spot a better way to do something.
• Collaborate cross-functionally with Finance, Procurement, and Operations to keep billing and payment timelines aligned.
• Support prepaids and fixed asset accounting
• Reconcile vendor statements, investigate discrepancies, and assist with month-end accruals, closing entries and reconciliations.
• Support annual 1099 fillings and audit requests.
• Build breadth beyond AP by cross-training with the team on adjacent accounting work

• 2–4 years of experience in accounts payable, staff accounting, or a similar billing/AP role.
• Bachelors degree in Accounting, Finance, or Business.
• Detail-oriented, organized, and proactive, with a commitment to accuracy and accountability.
• Strong written and verbal English communication skills — youre comfortable coordinating across teams and talking directly with vendors.
• Able to juggle multiple invoices and priorities without dropping the ball.
• Curious and adaptable — eager to learn new systems and take on more as you grow.
• Experience leveraging AI tools like Claude or Gemini to work more efficiently.
• Strong Excel and Google Sheets skills (pivot tables, VLOOKUP, data validation).

• Familiarity with Ramp or similar procurement platforms
• Familiarity with Netsuite ERP
• Prior experience in the biotech industry, or with a start-up

• Expected Helix Base:
• Expected Helix Discretionary Annual Bonus: 15% of your annual salary
• Equity: We offer generous equity at Helix. If you receive a Helix offer your recruiter will book dedicated time with you to educate you on our equity model.

• Flexible PTO
• Remote options for many roles and a home office stipend 

• 30 Day
  • Get up to speed with Helix applications: 
    • Ramp, vendor master data, and Helixs AP approval workflow.
    • Netsuite - ERP
    • Claude - AI
  • Shadow current invoice processing and payment runs end-to-end.
  • Meet key budget owners, bill owners, and frequent vendor contacts.
  • Begin processing invoices with support/review.
• 60 Day
  • Independently manage day-to-day invoice processing and payment approvals.
  • Own vendor correspondence, resolving discrepancies without needing escalation for routine issues.
  • Strengthen relationships with budget owners to speed up approval turnaround.
  • Identify at least one process inefficiency and propose an improvement.
• 90 Day
  • Fully own the AP cycle with minimal oversight.
  • Contribute to a process improvement or automation (e.g., leveraging AI tools like Claude or Gemini for efficiency).
  • Build reliable cross-functional relationships with Finance, HR, Supply Chain, and Lab Operations.
  • Be ready to take on additional month-end responsibilities