Java POS Lead Engineer

Java POS Lead Engineer
Role Location: San Antonio TX, or Austin TX (onsite for both the locations)

Compensation Range: $100,000-$140,000
Skills: Java, Ci/Cd, Automated Testing, POS
Required: 10+ years of software engineering experience, with at least 3 years focused on POS or retail systems.

Job description

You Are:

The Java POS Lead Engineer is responsible for leading the design, development, and delivery of client side Point of Sale (POS) software used across all retail stores.

The opportunity:

Technical Leadership

• Lead the architecture, design, and implementation of POS client applications across store environments.
• Define coding standards, UI/UX patterns, and architectural guidelines for the POS client platform.
• POS Client Development
• Develop and maintain POS client features by integrating to backend APIs
• Integrate with payment terminals, peripherals (scanners, scales, printers), and store hardware.
• Systems Integration
• Collaborate with backend teams to integrate POS clients with APIs, microservices, and enterprise systems (pricing, catalog, loyalty, payments).
• Operational Excellence
• Support production rollout, monitoring, and troubleshooting of POS client applications.
• Lead root cause analysis for store incidents and drive long term fixes.
• Cross Functional Collaboration
• Work with product managers to refine requirements and translate them into technical solutions.
• Partner with QA and automation teams to ensure robust test coverage and certification readiness.
• Engage with store operations to understand real world workflows and improve usability.

This position description identifies the responsibilities and tasks typically associated with the performance of the position. Other relevant essential functions may be required.

What you need:

• Strong expertise in client-side development (Core Java, C/C++).
• Strong expertise in Linux based Operating Systems (Preferably Debian based)
• Experience integrating with payment devices, peripherals, and hardware drivers.
• Deep understanding of distributed systems, offline first patterns, and store edge constraints.
• Proven ability to lead engineering teams and drive technical direction.

Preferred:

• Experience with microservices, containerization, or edge compute platforms.
• Knowledge of PCI DSS, secure coding practices, and payment flows.
• Background in large scale retail environments with high transaction volumes.
• Familiarity with CI/CD pipelines, automated testing, and observability tools.