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Posted May 23, 2026

Experienced Full Stack Customer Service Representative – Collections and Billing Support

Are you a customer-centric individual with a passion for delivering exceptional service and resolving complex billing situations? Do you thrive in a fast-paced environment where no two days are the same? If so, we invite you to join careerzynith as a Full Stack Customer Service Representative – Collections and Billing Support. In this hybrid role, you'll have the opportunity to work in our San Antonio, Texas location and from the comfort of your own home, making a meaningful impact on our customers' lives. **About careerzynith** careerzynith is a global leader in communications and technology, dedicated to connecting people and businesses around the world. As a member of our team, you'll be part of a dynamic and innovative organization that's constantly pushing the boundaries of what's possible. With a strong commitment to customer satisfaction and loyalty, we're seeking a talented and motivated individual to join our team as a Full Stack Customer Service Representative – Collections and Billing Support. **Key Responsibilities** As a Full Stack Customer Service Representative – Collections and Billing Support, you'll be responsible for providing exceptional service to our customers, resolving complex billing situations, and driving revenue growth through effective collections management. Your day-to-day will involve: * Handling a high volume of customer interactions, including calls, chats, emails, and other types of customer inquiries * Providing expert-level support for billing and collections, including negotiating payment arrangements and processing customer payments * Utilizing effective communication and interpersonal skills to resolve sensitive billing situations and maintain customer loyalty * Collaborating with cross-functional teams to resolve complex customer issues and drive business results * Staying up-to-date on careerzynith's products and services, as well as industry trends and best practices **What We're Looking For** To succeed in this role, you'll need: * Call center or customer service experience, with a proven track record of delivering exceptional service and resolving complex customer issues * Strong communication and interpersonal skills, with the ability to adapt to a dynamic and fast-paced environment * Flexibility to work a variety of schedules, including days, evenings, weekends, and holidays * Ability to maintain a professional demeanor in stressful situations and defuse difficult customer interactions * Basic computer skills and proficiency in Microsoft Office **What You Can Expect** As a Full Stack Customer Service Representative – Collections and Billing Support, you'll enjoy: * A competitive salary, with opportunities for growth and advancement * Comprehensive benefits package, including medical, dental, and vision coverage, as well as 401(k) and tuition reimbursement programs * Paid training and ongoing support to help you succeed in your role * Opportunities to develop your skills and expertise through training and professional development programs * A dynamic and supportive work environment, with a focus on teamwork and collaboration **Work Environment and Culture** careerzynith is committed to creating a work environment that's inclusive, diverse, and supportive. Our team is passionate about delivering exceptional service and making a meaningful impact on our customers' lives. As a Full Stack Customer Service Representative – Collections and Billing Support, you'll be part of a dynamic and innovative organization that's constantly pushing the boundaries of what's possible. **Compensation and Perks** careerzynith offers a competitive salary, with opportunities for growth and advancement. In addition to a comprehensive benefits package, you'll enjoy: * Medical, dental, and vision coverage * 401(k) and tuition reimbursement programs * Paid Time Off and Holidays (based on date of hire, at least 23 days of vacation each year and 9 company-designated holidays) * Paid Parental Leave * Paid Caregiver Leave * Additional sick leave beyond what state and local law require may be available but is unprotected * Adoption Reimbursement * Disability Benefits (short term and long term) * Life and Accidental Death Insurance * Supplemental benefit programs: critical illness/accident hospital indemnity/group legal * Employee Assistance Programs (EAP) * Extensive employee wellness programs * Employee discounts up to 50% off on eligible careerzynith mobility plans and accessories, careerzynith internet (and fiber where available) and careerzynith phone **Requirements for Working from Home** To work from home, you'll need: * Verified internet service (secure, reliable, and dedicated high speed is required to support business needs) * An established dedicated work area (desk, chair, electrical outlet, direct LAN connection) * AT&T will provide all of the equipment you'll need to get started! (keyboard, monitor, computer, mobile device, etc.) * Your workspace will need to be in alignment with WFH standards (e.g., technical, security, physical, noise levels, Clean Desk policy etc.) and participate in workspace audits (e.g., remote desktop observation, call and screen recordings, live webcam monitoring, pictures of workspace setup, video chats, etc.) * You will need to be available, accessible, and accountable to work during established work schedules and shifts, follow technical support processes, comply with organizational security and compliance standards, trainings, performance management, recurring management routines, manual and automated remote monitoring policies, etc. **Career Growth Opportunities** careerzynith is committed to helping you grow and develop your skills and expertise. As a Full Stack Customer Service Representative – Collections and Billing Support, you'll have opportunities to: * Develop your skills and expertise through training and professional development programs * Take on new challenges and responsibilities as you grow and develop in your role * Collaborate with cross-functional teams to drive business results and achieve our goals * Pursue opportunities for advancement and career growth within careerzynith **Ready to Apply?** If you're a motivated individual with a passion for delivering exceptional service and resolving complex billing situations, we encourage you to apply now! We're excited to review your application and learn more about your qualifications and experience.