Fraud & Claims Specialist, E-commerce

Role: Bank Claims & Fraud Specialist

Reports into: Customer Experience Manager

Contract Type: Full Time, working 7.5 hours per day, 5 days per week

Location: Hybrid, working 3 days a week in our offices based in Old Street, London

Nothing is clearer to us than the belief that every woman should include strength training in her life to enhance both physical and mental well-being. It is about building strong bodies and even stronger minds, asserting their right to take up space in the gym, and allowing the spotlight to shine bright on their progress. To us, strength training represents a determined, goal‑oriented mindset and an unwavering work ethic.

We don't wait for success; we create it through hard work and determination. When faced with challenges, we don't back down; instead, we break through barriers, recognising that true progress lies on the other side. These are the pillars that form the foundation of Oner Active. We consistently challenge ourselves to create innovative and impactful products so that you can perform better.

With our range of products and innovative approach, we provide a wide variety of colours to ensure that all skin tones genuinely radiate in Oner.

We are on a mission to unite and empower women to be the strongest version of themselves through strength training. We want to inspire women to take centre stage in the gym by promoting strength training, which underpins all movement and sport, as a healthy foundation in life.

• 25 days annual leave + bank holidays and work from anywhere up to 4 weeks a year
• 5% employer match salary sacrifice pension scheme
• Generous Oner Active discount plus regular office sample sales
• Free Evolve You subscription
• Private Healthcare with Vitality including optical and dental
• Monthly wellness allowance and team workout classes
• Start‑up culture - the chance to learn and make a real impact
• Great employee events like our Summer party, Christmas party and team away days
• Healthy office snacks and fruit (plus a chocolate cupboard for a sweet treat for the balance)
• Dog friendly office

We are seeking a proactive and detail‑oriented Bank Claims & Fraud Specialist to join our Customer Experience team. In this role, you will lead the management of bank claims, payment disputes, and fraud prevention across multiple payment providers and global regions. You will play a key role in protecting the business from fraud and financial loss while ensuring genuine customers continue to receive a fair and positive experience.

Working closely with CX, Finance, Accounting, Web/Tech, and Logistics teams, you will help improve processes, identify fraud trends, manage chargebacks, and support scalable fraud prevention solutions as the business continues to grow.

As the Bank Claims & Fraud Specialist, you will oversee the end‑to‑end handling of payment disputes and fraud‑related activity across Shopify Payments, Klarna, Pay Pal, and Afterpay/Clearpay. You will be responsible for reviewing claims, communicating directly with customers, submitting evidence, monitoring fraud patterns, and maintaining accurate records and reporting. This role is ideal for someone who thrives in a fast‑paced e‑commerce environment, has strong analytical and organisational skills, and can balance operational detail with proactive problem‑solving.

• Manage bank claims, chargebacks, disputes, and fraud cases across all payment providers and regions.
• Handle direct customer communication relating to claims, disputes, chargebacks, and fraud investigations, ensuring clear, professional, and timely responses.
• Review customer cases and attempt early resolution where appropriate to prevent escalation to formal claims or chargebacks.
• Review and submit evidence for claims within required deadlines.
• Work closely with Finance and Accounting teams to resolve payment disputes, refunds, and reconciliation issues.
• Monitor fraud trends, suspicious customer behaviour, and refund abuse patterns.
• Investigate high‑risk orders, reseller activity, return fraud, and unauthorized transaction claims.
• Maintain accurate documentation, internal notes, and…