Billing Specialist (Fixed-term contract)

DNAnexus is the enterprise platform for precision health. We are on a mission to accelerate the development, approval and delivery of personalized treatments.

Building on more than 15 years of bioinformatics innovation and genomics expertise, DNAnexus provides the cloud platform that centralizes and enriches multimodal omics data, supports an extensive suite of informatics use cases, and allows secure collaboration across the care continuum. DNAnexus powers a connected ecosystem trusted by the world’s precision health leaders. This flexible ecosystem makes omics and real-world data accessible, actionable, and secure, while unlocking insights that improve patient lives. For more information visit www.dnanexus.com or follow @DNAnexus on social media.

As we pursue these goals, it remains essential to us that we stay grounded in our values and adhere to the highest standards. At DNAnexus, you will be joining an ambitious, supportive, and driven team with diverse backgrounds but a shared passion to deliver on our mission to make personalized medicine a reality for all.

Location: Czech Republic. Work from our Prague or Brno office, or remotely.

Employment type: Full-time employment contract (HPP), fixed term

Contract duration: For the duration of a team member’s maternity and parental leave, expected 12 months, with the possibility of extension

Reports to: VP, Finance & Accounting

We are looking for a detail-oriented Billing Support Specialist to join our Czech-based billing team on a fixed-term basis, covering for a colleague during their maternity and parental leave. You will support day-to-day billing operations for our global customer base, with a focus on accurate monthly usage-based invoicing, billing corrections, and timely responses to customer billing questions.

This is a hands-on, execution-focused role working within established processes and controls. It is a good fit for someone who enjoys working with numbers and systems, takes pride in getting the details right, and wants practical experience in billing for a fast-growing, US-headquartered SaaS company.

Responsibilities

Complete customer supplier onboarding requirements, such as vendor registration forms and procurement portal setup; Obtain purchase orders and other customer billing requirements, and share them with Revenue Accounting ahead of invoicing; Respond promptly and professionally to customer billing inquiries by email and through the case management system (Salesforce); Investigate billing questions and disputes, coordinating with Revenue Accounting on any required credits or rebills; Submit issued invoices to customer procurement portals where required; Prepare and reconcile customer account statements, and resolve differences with customers; Research unapplied payments, short payments, and remittance discrepancies; Follow up with customers on outstanding and overdue invoices according to the collections process; Maintain accurate collection notes and track payment commitments; Review AR aging regularly and escalate at-risk accounts to management; Support month-end activities such as AR aging review and collections reporting; Perform assigned controls and retain supporting evidence in line with documented procedures, provide support for audits as needed; Work with Sales, Deal Desk, and Revenue Accounting to resolve customer account issues, escalating contract or policy questions to the appropriate owner; Keep process documentation current so work transitions smoothly at the end of the contract term

Requirements

1–3 years of experience in billing, invoicing, accounts receivable, or a similar finance operations role; Fluent English, written and spoken, you will work daily with colleagues in the US and Czech, and customers primarily in the US, UK, and Europe; Strong working knowledge of Excel (lookups, pivot tables, basic data validation); Keen attention to detail and a methodical approach to checking your own work; Strong organizational and time-management skills, with the ability to prioritize and meet month-end deadlines; Clear, courteous communication with customers and cross-functional teams; Self-directed and accountable in a remote or hybrid work environment

Nice to have

Experience with NetSuite or another ERP or billing system; Familiarity with subscription or usage-based billing models; Experience in a SaaS or technology company