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We are looking for a Chargeback & Dispute Specialist to manage and investigate payment disputes across our platform. This role is responsible for handling the full dispute lifecycle, preparing strong evidence submissions, and helping reduce chargeback rates across the business.
Lumimeds operates in a high-volume e-commerce and telehealth environment, where efficient dispute management and fraud prevention are critical to protecting revenue and maintaining compliance with card network thresholds.
This role works closely with payments operations, customer support, and fraud prevention teams to investigate disputed transactions and identify patterns that may indicate fraud, misuse, or operational gaps.
LumiMeds is a fast-growing U.S.-based telehealth startup focused on weight management and long-term metabolic health. We are building the next generation of e-commerce and clinical infrastructure from the ground up.
As an early-stage company, we move quickly, operate with limited layers, and expect high ownership from every team member. There is no bureaucracy here — decisions happen fast, priorities evolve, and builders thrive.
We are a remote-first, globally distributed team that values clarity, accountability, and people who take initiative rather than wait for direction.
We are looking for a Chargeback & Dispute Specialist to manage and investigate payment disputes across our platform. This role is responsible for handling the full dispute lifecycle, preparing strong evidence submissions, and helping reduce chargeback rates across the business.
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Lumimeds operates in a high-volume e-commerce and telehealth environment, where efficient dispute management and fraud prevention are critical to protecting revenue and maintaining compliance with card network thresholds.
This role works closely with payments operations, customer support, and fraud prevention teams to investigate disputed transactions and identify patterns that may indicate fraud, misuse, or operational gaps.
Manage the end-to-end chargeback process from dispute notification to final resolution
Review incoming disputes from Stripe and other payment processors
Understand and categorize disputes based on card network reason codes
Ensure disputes are responded to within required deadlines
Investigate transactions and customer activity to determine the validity of disputes
Analyze relevant information such as: transaction history account activity IP address and device information billing and shipping data customer communication history
transaction history
account activity
IP address and device information
billing and shipping data
customer communication history
Identify cases of potential friendly fraud, unauthorized transactions, or policy abuse
Prepare and submit structured evidence packages to dispute chargebacks
Gather documentation such as: proof of service or delivery billing descriptors and transaction details customer communications and support interactions terms of service and refund policy acknowledgement account activity logs
proof of service or delivery
billing descriptors and transaction details
customer communications and support interactions
terms of service and refund policy acknowledgement
account activity logs
Ensure evidence submissions meet Visa, Mastercard, and payment processor requirements
Monitor dispute trends and identify fraud patterns or abuse behaviors
Flag suspicious transactions and coordinate with internal teams to mitigate risk
Assist in improving internal fraud detection and prevention processes
Work closely with Customer Support to resolve disputes before they escalate into chargebacks
Coordinate with Finance and Payments Operations on reporting and reconciliation
Provide feedback to internal teams on areas that may reduce future disputes
Track and report key metrics such as: chargeback ratio dispute win rate dispute resolution time fraud trends
chargeback ratio
dispute win rate
dispute resolution time
fraud trends
Help maintain chargeback ratios below card network monitoring thresholds
Identify operational improvements to reduce future disputes
Experience in telehealth businesses or e-commerce companies
Experience using tools like Disputeninja, Vector Payment, or chargeback management platforms
Familiarity with fraud detection or payment risk tools
Advanced Excel / data analysis skills
Private telehealth platform connecting U.S. patients with licensed providers for prescription weight-loss and longevity treatments.
Visit company websiteJobs and hiring trendsFull-time
Mid · 4+ years experience
Remote
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