Billing Specialist

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Sourgum is transforming the $100B+ waste and recycling industry through cutting-edge technology that makes waste removal simpler, smarter, and more cost-effective. Our innovative haulsourcing platform powers high-quality waste and recycling services for businesses at significantly lower costs—saving our customers an average of 20%. Leveraging proprietary datasets, an advanced operating system, and a carefully curated network of 5,000+ trusted vendors, we help companies of all shapes and sizes streamline their operations while advancing sustainability efforts.

We’re a fast-growing, venture-backed company (just closed our Series A!) on a mission to modernize an outdated industry — and we’re just getting started. Our investors include Spark Capital, Founder Collective, Suffolk Technologies, 186 Ventures, and River Park Ventures, the same funds that backed category-defining companies like Slack, Anthropic, Uber, Venmo, and Amazon Pharmacy.

If you’re driven by the opportunity to build something groundbreaking, we’d love to meet you.

Role Description

We’re looking for a detail-oriented, assertive Billing Specialist to join our finance team and work cross-departmentally to ensure smooth, accurate, and timely invoicing and payment processing. This job will consist of both receivables and payables.

You’ll thrive here if you’re a self-starter who loves to learn fast, eager to join an early-stage environmental startup, and motivated to make a tangible impact — both on the business and the planet.

This role is fully-in person, M-F, based out of our Jersey City, NJ office.

Responsibilities:

• Collections — Follow up on overdue accounts through phone calls, emails, and written correspondence. Assist in implementing effective collections strategies to minimize past-due accounts and bad debt
• Financial Reconciliation — Verify that charges from vendors align with agreed-upon amounts and terms.
• Customer Invoicing — Ensure that customers are accurately invoiced for services provided, adhering to specific payment terms.
• Vendor Relations — Actively work with vendor relations to resolve any rate discrepancies, ensuring all payments are accurate and timely.
• Payment Processing — Assist in processing payments to vendors and managing receivables from customers, including following up on outstanding invoices.
• Record Keeping — Maintain accurate and organized financial records for both accounts payable and receivable.
• Process Optimization – Identify opportunities to improve invoicing workflows and reduce past-due accounts.
• Cross-Functional Collaboration – Work closely with the finance team and other departments to streamline billing and payment operations.

Qualifications:

• High school diploma required; a degree in Accounting, Finance, or related field is a plus. Strong numerical proficiency and attention to detail.
• 2+ years of experience in either accounts receivable or accounts payable or both.
• Excellent organizational and time management skills.
• Ability to learn quickly and adapt to new systems and processes.
• Strong communication skills, both written and verbal.
• Must be comfortable getting on the phone to resolve issues in a timely manner.
• Proficiency in Google or Microsoft Office applications, especially Google Sheets / Excel. Experience with accounting software is a plus.
• A positive, team-oriented attitude, with the willingness to grow and take on increasing responsibilities over time.

Benefits

• Company stock options as part of your compensation package, giving you the opportunity to share in our company's success and build long-term financial growth.
• A positive and collaborative work environment with a focus on innovation and sustainability.
• Flexible/Unlimited PTO
• Comprehensive benefits package including health insurance (medical, dental, vision, LTD, Life Insurance, etc.), retirement plans (401K).
• Access to hundreds of gyms, studios, and wellness apps—all through one easy membership provided by your Wellhub.
• Yearly Personal Development Budget
• Opportunities for professional development and career advancement within a growing company.