Role Overview

We are looking for an experienced Senior Software Engineer with 7+ years of software development experience, strong expertise in POS and payment systems, and hands-on experience developing secure, reliable, and scalable payment applications.

The ideal candidate will have a strong combination of C/C++ payment/POS development and Java/Kotlin-based Android application development, with a solid understanding of ISO 8583, Terminal Management Systems (TMS), payment transaction processing, the Android SDK, and up-to-date Android architecture.

The candidate will be responsible for designing, developing, integrating, debugging, and maintaining POS/payment solutions while collaborating closely with product, QA, hardware, and backend teams.

What We Are Looking For

We are looking for a hands-on Senior Software Engineer who can work across the complete POS software stack — from payment transaction processing and ISO 8583 messaging to Android applications, APIs, device integration, and debugging.

The successful candidate should be comfortable taking ownership of complex technical problems,



driving solutions independently, and collaborating with cross-functional teams to deliver secure, reliable, and high-performance POS payment solutions.

Key Responsibilities

• Design, develop, and maintain POS and payment applications for Android-based payment terminals.
• Develop and maintain payment-related components using Android, C, and C++.
• Implement and integrate ISO 8583 message formats and transaction flows.
• Work with Terminal Management Systems (TMS) for terminal configuration, application deployment, updates, and management.
• Develop Android applications using Java and Kotlin.
• Design robust and maintainable Android applications using MVVM and Repository architecture.
• Implement asynchronous operations using Kotlin Coroutines and WorkManager.
• Develop local data persistence using SQLite.
• Integrate backend services using Retrofit, Volley, and JSON.
• Work wi

📌 Senior Software Engineer (Chennai)
🏢 Valor PayTech
📍 Chennai