Accounts Receivable Specialist (B2b)

Aston Carter; United States; Hybrid; USD 28,000 - 40,000; Full time

Job summary

Aston Carter in Saint Louis, MO seeks an Accounts Receivable Specialist to manage payments, aging reports, and client invoicing across portals and legacy systems. You will support ERP transitions and ensure accuracy while communicating clearly with clients and internal teams.

This contract-to-hire role offers hands-on accounting work in a hybrid environment with competitive hourly pay. Ideal candidates have 2+ years in AR, strong detail orientation, and solid Excel skills.

Qualifications

• 2+ years experience in accounts receivable or a closely related accounting function preferred.
• Solid understanding of accounts receivable processes, including cash application and invoice management.
• Comfort working with outdated systems and manual processes as well as modern digital portals.
• Strong attention to detail with the ability to maintain accuracy in repetitive tasks.
• Excellent communication and follow-up skills when interacting with clients and internal teams.
• High school diploma or equivalent required.

Responsibilities

• Process and post incoming payments accurately and in a timely manner across multiple systems.
• Manage client accounts using both digital portals and manual, legacy platforms.
• Monitor aging reports to identify overdue balances and follow up on outstanding invoices.
• Handle credit and re-bill activities, including issuing adjustments and re-invoicing when necessary.
• Communicate with clients to resolve billing discrepancies and payment issues in a professional manner.
• Maintain accurate, organized, and up-to-date records of all accounts receivable transactions.
• Collaborate with internal teams to ensure billing accuracy and promptly resolve account issues.
• Support continuous improvement of accounts receivable processes as the organization implements new ERP systems.

Skills

Attention to detail

Time management

Independent worker

Customer service mindset

Education

High school diploma or equivalent

Tools

Excel

Job description

Accounts Receivable Specialist (B2B)

St. Louis, MO

Job Description

We are seeking a detail-oriented and dependable Accounts Receivable Clerk to support our finance operations. You will work with a mix of modern client portals and more manual, legacy systems to ensure payments are processed accurately, accounts are maintained properly, and billing issues are resolved promptly. This position is ideal for someone who can stay focused, manage repetitive tasks efficiently, and keep processes moving even when workflows are not fully streamlined.

Responsibilities

• Process and post incoming payments accurately and in a timely manner across multiple systems.
• Manage client accounts using both digital portals and manual, legacy platforms.
• Monitor aging reports to identify overdue balances and follow up on outstanding invoices.
• Handle credit and re-bill activities, including issuing adjustments and re-invoicing when necessary.
• Communicate with clients to resolve billing discrepancies and payment issues in a professional manner.
• Maintain accurate, organized, and up-to-date records of all accounts receivable transactions.
• Collaborate with internal teams to ensure billing accuracy and promptly resolve account issues.
• Support continuous improvement of accounts receivable processes as the organization implements new ERP systems.

Essential Skills

• 2+ years experience in accounts receivable or a closely related accounting function preferred.
• Solid understanding of accounts receivable processes, including cash application and invoice management.
• Comfort working with outdated systems and manual processes as well as modern digital portals.
• Strong attention to detail with the ability to maintain accuracy in repetitive tasks.
• Effective organizational skills to manage multiple accounts, payments, and follow-ups.
• Ability to work independently, stay focused, and consistently complete tasks with minimal supervision.
• Basic proficiency in Excel and general computer skills.
• Excellent communication and follow-up skills when interacting with clients and internal teams.
• High school diploma or equivalent required.

Additional Skills & Qualifications

• Demonstrated strong work ethic and reliability in previous roles.
• Willingness to learn new systems and adapt to evolving processes, including upcoming ERP implementation.
• Ability to thrive in an environment that includes both structured procedures and legacy workflows.
• Comfort with performing repetitive tasks while maintaining quality and accuracy.
• No formal degree required beyond a high school diploma or equivalent; motivation and commitment are highly valued.

Job Type & Location

This is a Contract to Hire position based out of Saint Louis, MO.

Pay and Benefits

The pay range for this position is $25.00 - $25.00/hr.

Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors.

Eligibility requirements apply to some benefits and may depend on your jobclassification and length of employment. Benefits are subject to change and may besubject to specific elections, plan, or program terms. If eligible, the benefitsavailable for this temporary role may include the following:Medical, dental & visionCritical Illness, Accident, and Hospital401(k) Retirement Plan Pre-tax and Roth post-tax contributions availableLife Insurance (Voluntary Life & AD&D for the employee and dependents)Short and long-term disabilityHealth Spending Account (HSA)Transportation benefitsEmployee Assistance ProgramTime Off/Leave (PTO, Vacation or Sick Leave)

Job Type & Location

This is a Contract to Hire position based out of Saint Louis, MO.

Application Deadline

This position is anticipated to close on Oct 31, 2026.

Workplace Type

This is a hybrid position in Saint Louis,MO.

About Aston Carter

Aston Carter provides world-class corporate talent solutions to thousands of clients across the globe. Specialized in accounting, finance, human resources, talent acquisition, procurement, supply chain and select administrative professions, we extend the capabilities of industry-leading companies. We draw on our deep recruiting expertise and expansive network to meet the evolving needs of our clients and talent community with agility and excellence. With offices across the U.S., Canada, Asia Pacific and Europe, Aston Carter serves many of the Fortune 500. We are proud to be a ClearlyRated Best of Staffing® Platinum Award winner for both client and talent service.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing process due to a disability, please email [e-mail] for other accommodation options.

San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.