Payments Engineer II - EMV, Tokenization & Backend

EBizCharge; United States; Remote; USD 110,000 - 150,000; Full time

Job summary

EBizCharge is looking for a Software Engineer II to build and support secure payment solutions across EMV terminals, backend services, and integrations. The role focuses on EMV certification, tokenization, and end-to-end transaction flows, collaborating with senior engineers to deliver reliable, compliant systems.

You will work on EMV terminal development, .NET backend services, and processor integrations, ensuring secure RESTful APIs, webhook listeners, and batch settlements.

Qualifications

• 2–4 years of professional software development experience.
• Experience with payment systems, financial systems, or API integrations.
• Experience building RESTful APIs using .NET / ASP.NET Core.
• Experience developing Android applications using Kotlin.
• Understanding of the payment transaction lifecycle (authorization through settlement).
• Strong debugging and production issue resolution skills.

Responsibilities

• EMV Terminal & Device Development: Develop and maintain Ingenico terminal applications using Kotlin and Ingenico SDK; implement EMV flows; integrate terminal software with host systems and gateway APIs; troubleshoot device-level issues; assist with firmware updates.

Skills

Payment systems experience

RESTful APIs

Android development

Production debugging

Cross-functional teamwork

Education

Bachelor's degree in Computer Science or related field

Tools

Kotlin

Ingenico SDK

.NET ASP.NET Core

Android SDK

AWS

Azure

Job description

EBizCharge is looking for a Software Engineer II to build and support secure payment solutions across EMV terminals, backend services, and integrations. The role focuses on EMV certification, tokenization, and end-to-end transaction flows, collaborating with senior engineers to deliver reliable, compliant systems.

You will work on EMV terminal development, .NET backend services, and processor integrations, ensuring secure RESTful APIs, webhook listeners, and batch settlements.