Senior Software Engineer (Card Present) at EBizCharge

Department: Software Development

Setup: On-site
Location: Irvine, California
Type: Full-time
Level: senior
Posted: Apr 30, 2026

Description

EBizCharge is hiring a full-time Senior Engineer to expand its Card Present platform, which supports in-person tap, dip, and swipe transactions. The role focuses on backend services for payment terminals, EMV chip, NFC, and magnetic stripe flows, device and terminal SDK integrations, device hub capabilities, EMV Level 3 certification, PCI DSS compliance, P2PE and tokenization, and scalable .NET and C# APIs. The engineer will also mentor junior and mid-level engineers and document card-present domain knowledge.

Required Skills

C# and .NET
EMV
PCI DSS
REST APIs
P2PE and tokenization
Device management

Additional Information

Required Previous Experiences: Production-grade backend services and APIs
EMV payment flows, including chip, contactless/NFC, and magnetic stripe
Payment terminal hardware and device management platforms
RESTful API design and development
Low-latency, high-reliability payments backend services
Clover, Stripe Terminal, Square, or similar card-present platforms
EMV kernel development and international certification requirements
Terminal hardware vendor experience
Network tokenization and scheme token management
Preferred Qualifications: Direct involvement in EMV Level 3 certification processes