Software Engineer II - Card Not Present

Accountabilities:

• • Develop and maintain Android-based payment applications for Ingenico terminals using Kotlin and the relevant SDKs.
  • Implement and support EMV transaction flows, including contact, contactless, NFC, and digital wallet payments.
  • Integrate terminal applications with backend host systems, payment gateways, and processor APIs.
  • Diagnose device-level issues, EMV kernel interactions, transaction failures, and other payment-processing edge cases.
  • Contribute to secure RESTful APIs and backend payment services using .NET and ASP.NET Core.
  • Implement and maintain payment workflows covering authorization, capture, refund, void, settlement, reconciliation, and reporting.
  • Build and support device-management capabilities, including registration, monitoring, and configuration.
  • Develop webhook listeners and event-driven services that support real-time payment updates.
  • Participate in production troubleshooting, regression testing, and initiatives that improve reliability and scalability.
  • Support EMV Level 3 certification by executing test cases, validating transaction flows, troubleshooting responses, and assisting with re-certification.
  • Collaborate with internal teams and external processors to resolve certification issues and validate host-message formatting.
  • Support network tokenization for major card networks, including token provisioning, lifecycle management, updates, and de-tokenization.
  • Contribute to Apple Pay, Google Pay, and other mobile wallet integrations while ensuring payment flows meet applicable security and card-network requirements.
  • Work closely with senior engineers and cross-functional stakeholders to deliver reliable, compliant, and scalable payment solutions.

  Requirements:

  • 2–4 years of professional software development experience, preferably in payments, financial technology, financial systems, or API integrations.
  • Experience developing secure RESTful APIs with .NET / ASP.NET Core.
  • Professional experience developing Android applications using Kotlin.
  • Understanding of the end-to-end payment transaction lifecycle, from authorization through settlement.
  • Strong debugging, troubleshooting, and problem-solving abilities, including experience addressing production issues.
  • Ability to work effectively with senior engineers and cross-functional teams in a collaborative environment.
  • Familiarity with payment processors, gateways, or other transaction-processing integrations is highly valuable.
  • Exposure to EMV Level 3 certification, EMV transaction flows, or Ingenico devices and SDKs is preferred.
  • Knowledge of PCI-DSS concepts and payment-security requirements is an advantage.
  • Experience with AWS or Azure, CI/CD pipelines, automated deployments, or cloud-based payment services is a plus.
  • Familiarity with tokenization, webhooks, batch settlement, digital wallets, or card-network requirements is beneficial.
  • Strong interest in developing deeper expertise in payment technology, EMV certification, processor integrations, and tokenized transactions.
  • Ability to learn complex technical domains, investigate unfamiliar problems, and take ownership of assigned work.

  Benefits:

  • Full-time employment in a software engineering role focused on payment technology.
  • Hands-on exposure to EMV Level 3 certification, payment processor integrations, tokenization, and digital wallets.
  • Opportunity to deepen expertise across terminal software, backend services, mobile payments, and cloud technologies.
  • Career growth potential toward senior payments engineering responsibilities.
  • Dynamic and collaborative engineering environment with opportunities to work closely with experienced technical professionals.
  • Exposure to technologies including Kotlin, Ingenico SDK, .NET 6+, ASP.NET Core, Android SDK, AWS/Azure, EMV, webhooks, and payment APIs.
  • Remote work opportunity within the United States.
  • Commitment to equal employment opportunity and compliance with applicable employment and pay-equity laws.