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Justt is a chargeback mitigation startup based in Tel Aviv. Chargebacks, as defined, are demands by a credit card provider for a retailer to reimburse losses on fraudulent or disputed transactions. Justt’s objective is to assist merchants worldwide in combating false chargebacks using its proprietary artificial intelligence technology.
False chargebacks, also termed “friendly fraud,” occur when shoppers incorrectly dispute charges to their credit/debit cards, resulting in their financial institution canceling payments and merchants suffering losses. Justt utilizes AI-powered technology to identify incorrect chargebacks, which typically comprise at least 85% of disputes, resulting in over $125 billion in annual losses. The company offers a tailored system for each merchant, integrating with their card processors, collecting evidence to refute illegitimate chargeback claims, and submitting this information to credit card companies on their behalf.
At the initial stage of the project, Justt lacked a dedicated DevOps team and a well-defined infrastructure. They operated with a single manually deployed AWS account, where resources like EC2, EKS, and S3 were manually created. These resources often existed on public networks without controlled internet access. Additionally, most configurations were limited to a single Availability Zone (AZ), lacking Disaster Recovery (DR) procedures.
The solution was establishing a multi-account structure utilizing IaC with Terraform and significant enhancements were made to Justt’s infrastructure
The application workload re-designed with best practices concepts and templated with terraform as an IaC tool. The mechanism of terraform management that was chosen is Vanilla Terraform + Terraform Workspaces.
The deployment and changes in the infrastructure automated with CI tool ChatOps using Atlantis keeping GitOps concepts and best practices.
ChatOps using Atlantis for deployment, facilitating commit and PR-based infra changes with change history stored in PR comments and notifications via email and Slack
The implementation of Infrastructure as Code (IaC) with Terraform and the establishment of a multi-account structure for Justt’s chargeback mitigation system have yielded significant results, addressing the initial challenges and providing tangible benefits. The transition from a single manually deployed AWS account to a well-structured multi-account setup has not only enhanced operational efficiency but also improved security and resilience. Specific metrics highlight the success of the solution:
In conclusion, the Justt case study demonstrates the transformative impact of IaC and DevOps practices on chargeback mitigation operations. The solution not only addressed the initial challenges but also brought about measurable improvements in time efficiency, security, compliance, scalability, and cost optimization. The metrics provided showcase the tangible benefits Justt has gained through the successful implementation of these technologies and methodologies.
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