Implementation Engineer at Interswitch Group

Interswitch is an Africa-focused integrated digital payments and commerce company that facilitates the electronic circulation of money as well as the exchange of value between individuals and organisations on a timely and consistent basis. We started operations in 2002 as a transaction switching and electronic payments processing, and have progressively evolved into an integrated payment services company, building and managing payment infrastructure as well as delivering innovative payment products and transactional services throughout the African continent. At Interswitch, we offer unique career opportunities for individuals capable of playing key roles and adding value in an innovative and fun environment.

We are recruiting to fill the position below:

Job Title: Implementation Engineer

Location: Lagos

About the Job

• Development of Android payment application on Point of Sale terminals

Responsibilities

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

Requirements
Academic Qualification(s):

• Candidates should possess a BS / MS Degree in Computer Science, Engineering, or a related field with 3-4 Years of experience.

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.
• 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.
• 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.

How to Apply
Interested and qualified candidates should:
Click here to apply