Senior Software Engineer – Back End

Job Description

The Senior Software Engineer will own and evolve the payment-terminal platform, re-architecting it into a modular SDK and implementing new integrations. They will also set platform-wide patterns for correctness in money movement and drive architecture and design reviews.

Requirements: Candidates should have 6+ years of back-end engineering experience with strong Java skills and a solid understanding of distributed systems design. Experience with payment-terminal integration and a grasp of the card transaction lifecycle is essential.

Key Skills: Java, OOP, Distributed Systems Design, Plugin Architectures, Serial Communication, USB Communication, Payment Integration, PCI-DSS, Tokenization, Cloud APIs, Debugging, Technical Leadership, EMV, ISO 8583, ZVT, API Design

Benefits: Health Benefits, Paid Time Off, Retirement, Education Assistance