Principal Software Engineer (POS Developer)

Principal Software Engineer (POS Developer)

Karachi, Pakistan | Posted on 04/17/2026

• Job Title: Principal Software Engineer (POS Developer)
• Department: Development
• Location: NASTP, Karachi Office
• Job Type: Full time (on-site)
• Reports To: Team Lead

Job Summary

Lead the architecture, development, and evolution of enterprise‑level Android POS applications, payment engines, and device integrations. Own high‑risk transactional components such as ISO‑8583 communication, EMV workflows, and secure channel management. Mentor teams, define platform‑wide standards, and ensure exceptional reliability, performance, and compliance across all POS software layers.

Key Responsibilities

• Define POS system architecture across Android, ISO‑8583 engines, device layers, security, and modular components.
• Own technical decision‑making for perf...