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Skills

  • API Development
  • App & Mobile Programming
  • Design
  • Engineering
  • Java
  • Software Development
  • Spring Framework

Services

  • Backend Java Engineer

    $9/hr Starting at $150 Ongoing

    Dedicated Resource

    As a backend Spring Java developer in the fintech industry, I specialize in crafting robust and secure systems to power financial applications. With expertise in Java and the Spring framework, I design...

    API DevelopmentApp & Mobile ProgrammingDesignEngineeringJava

About

Implemented Apple Pay integration for QNB (Qatar National Bank) using CyberSource gateway. Integrated Visa Plus Host and Visa Plus API, enabling cardholders to use a unique username instead of card details for online transactions. Developed Finicity ACH Accounts integration using Finicity/MasterCard APIs. Enhanced fraud and dispute-related APIs and built APIs for fetching and refunding QR payments. Implemented user authentication using JWT tokens and added token-based filters for authentication before calling I2C APIs.