Implementation Engineer at Interswitch

RESPONSIBILITIES

• Design and build advanced applications for the Android platform.
• Collaborate with cross-functional teams to define, design, and implement new features.
• Work with external data sources and APIs.
• Conduct unit testing to ensure robustness, covering edge cases, usability, and general reliability.
• Identify and fix bugs while continuously improving application performance.
• Continuously research, evaluate, and implement new technologies to maximize development efficiency.

EDUCATION AND EXPERIENCE

Academic Qualification(s):

• BS/MS degree in Computer Science, Engineering, or a related field.

Professional Qualification(s):

• Proven software development experience with Android and POS terminals.
• Experience publishing or deploying production-ready POS/payment applications.
• Strong experience with the Android SDK and POS device integrations.
• Hands-on experience working with EMV payment flows, APDU commands, and ISO 8583 messaging.
• Experience integrating EMV kernels, payment SDKs, and third-party APIs.
• Demonstrated expertise with EFT/POS payment systems.
• Working knowledge of PCI-DSS, EMVCo, and scheme certification requirements.
• Knowledge of mobile and POS hardware architectures (NFC, card readers, PIN pads).
• Solid understanding of the full software development life cycle (SDLC).
• Proficiency in Java and Kotlin for Android development.
• Experience with Android frameworks such as Jetpack, Retrofit, and Dagger/Hilt.

Years of Experience

• 3-4 Years of experience