Accounting Specialist

PEAK6; Puerto Rico; Hybrid; USD 57,308,000 - 63,039,000; Full time

Job summary

PEAK6 in Sunrise, FL, is hiring an Accounting Specialist to support cash posting, payment processing, and AR activities in a hybrid workspace. The role collaborates with underwriting, billing, claims, and customer service to ensure accurate financial records and timely reconciliations.

Ideal candidates bring 1–3 years of accounting experience, an associate degree in accounting/finance, and strong Excel skills.

Qualifications

• Associate's degree in Accounting, Finance, Business, or related field preferred.
• 1–3 years of experience in cash posting, AR, payment processing, or related accounting role.
• Prior insurance industry experience strongly preferred; property & casualty experience a plus.

Responsibilities

• Post daily cash receipts to policyholder accounts accurately and within contractual agreements.
• Reconcile payments to invoices and identify discrepancies; resolve unapplied/misapplied payments.
• Maintain detailed transaction records and ensure compliance with policies and controls.

Skills

Cash posting

Accounts receivable

Payment processing

Excel

Data entry

Attention to detail

Education

Associate's degree in Accounting/Finance

Tools

Microsoft Excel

Job description

WHO WE ARE We are PEAK6, a leading investment firm, using technology to find a better way of doing things. The company’s first tech-based solution was developed in 1997 to optimize options trading, and over the past two decades, the same formula has been used across a range of industries, asset classes, and business stages to consistently deliver superior results. Today, PEAK6 seeks transformational opportunities to provide capital and strategic support to entrepreneurs and forward-thinking businesses. PEAK6's core brands include PEAK6 Capital Management, PEAK6 Strategic Capital, Apex Fintech Solutions, FOCUS, We Insure, Evil Geniuses, Poker Power, Zogo, and Bruce Markets.

ABOUT THIS ROLE

Position Overview

The Accounting Specialist is responsible for supporting the company's financial accuracy and day-to-day operations. This role includes posting incoming payments, performing cash reconciliations, analyzing accounts, and assisting with general accounting tasks. The position works closely with internal teams such as underwriting, billing, claims, and customer service as well as external partners. By maintaining accurate financial records and providing useful insights, the Accounting Analyst helps support informed business decisions and overall organizational transparency. This role is ideal for a detail-oriented professional who performs well in a fast-paced, high-volume environment and is interested in growing within the accounting and finance fields. Responsibilities may expand over time as business needs evolve.

Location: Hybrid (2-3 days per week in office) - Sunrise, FL

Reports To: Financial Operations Lead

What You'll Do

Cash Posting & Payment Processing (60%)

• Post daily cash receipts – including checks, ACH transfers, credit card payments, and other payment methods – to the correct policyholder accounts accurately and within the clients' contractual agreements
• Reconcile payments to invoices and identify discrepancies
• Research and resolve unapplied, misapplied, or unidentified payments promptly
• Process adjustments, refunds, policy cancellations, and chargebacks as needed
• Review and balance daily cash posting batches and reconcile totals with bank activity
• Maintain detailed and accurate transaction records
• Ensure compliance with company policies and financial controls

Collaboration & Cross-Functional Support (25%)

• Work closely with billing, underwriting, claims, and customer service departments to resolve payment-related issues
• Provide assistance to internal teams, customers, or agents regarding payment inquiries, overdue premiums, and account status
• Engage with internal teams to support business objectives and continuous improvement initiatives
• Contribute to cross-functional projects to streamline and enhance accounting and payment operations
• Serve as a point of contact for payment processing questions and escalations

Reconciliation & Compliance (15%)

• Reconcile cash batches and payment activity with bank statements and internal records
• Assist with the identification and resolution of payment discrepancies across internal and external clients
• Ensure full adherence to all regulatory, reporting, and internal control requirements
• Support audit requests by providing documentation and transaction detail as needed

What You Bring

Education & Experience

• Associate's degree in Accounting, Finance, Business, or a related field (preferred)
• 1-3 years of experience in cash posting, accounts receivable, payment processing, or a related accounting role
• Prior insurance industry experience is strongly preferred; property & casualty experience a plus
• Experience in a multi-entity or high-volume transaction environment preferred

Knowledge, Skills & Abilities

• Perform high-volume data entry using 10-key by touch with a high level of speed and accuracy (10,000 KPH)
• Exceptional attention to detail and accuracy when handling a high volume of financial transactions
• Ability to complete repetitive tasks
• Strong organizational skills with the ability to manage multiple tasks and deadlines in a dynamic, fast-paced environment
• Excellent analytical thinking and problem-solving abilities, particularly for resolving payment discrepancies
• Strong written and verbal communication skills for interacting with internal departments and external clients
• Strong working knowledge of cash application, accounts receivable, and basic accounting
• Proficiency with Microsoft Excel and Word
• Ability to handle sensitive financial information with discretion and professionalism

Hourly Rate: $20-$22/hr.

PEAK6 is proud to be an equal opportunity employer.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, sexual orientation, and gender identity), national origin, age, disability, veteran status, marital status, or any other protected characteristic.

Our hiring practices ensure that all qualified applicants receive fair consideration without regard to these characteristics.

PEAK6 is committed to creating an inclusive and accessible workplace for all candidates, including those with disabilities.

We are dedicated to ensuring equal employment opportunities and providing reasonable accommodations to qualified individuals with disabilities.

If you require reasonable accommodations to participate in the application or interview process, please contact our HR department at [e-mail].

We will work with you to provide the necessary accommodations to ensure your full participation in our hiring process.

We're In The Business Of What Ought To Be The business of doing, creating, and building the world the way we see fit. We seek out the transformational opportunity, making it better, more useful, more valuable. At PEAK6, we activate what is into what ought to be through world-class technology, operational excellence and purposeful design. Headquartered in the Chicago Board of Trade Building, PEAK6 is not your typical investment firm. While trading got us our start and still powers our center, we quickly realized that our vision was to embrace and empower today’s consumer through technology, simplifying processes, improving performance and creating new wealth.