Sr. Android Application Engineer - Device Engineering

Sr. Android Application Engineer - Device Engineering –
Clover

We’re Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants, and consumers to one another millions of times a day – quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we’re involved.

If you want to make an impact on a global scale, come make a difference at Fiserv.

You will join the Clover Device Engineering team, which is responsible for the core software and operations of Clover’s Android-based payment terminals. Clover delivers an elegant end-to-end Point of Sale system, powering millions of daily transactions for merchants globally. In this role, you will be an Android Application and Back‑End Engineer, driving the development, certification, and operation of critical terminal features that connect our devices to the cloud.

• Core Systems Design:
  Designing and implementing complex solutions that span across Android applications, secure Inter‑CPU communication, the Real‑Time Operating System (RTOS), and payment kernels.
• Feature Integration:
  Adding critical payment features (such as dynamic currency conversion, mobile wallets, and offline payment support) to our existing products.
• Component Ownership:
  Taking end‑to‑end technical ownership of specific, mission‑critical payment components on the terminal.
• Deep Troubleshooting:
  Troubleshooting and resolving highly complex issues that span the full device stack, from the Android application layer down to the embedded hardware/RTOS.
• Compliance & Certification:
  Working closely with international certification teams (e.g., EMVCo) and test organizations to ensure compliance and readiness.
• Collaboration:
  
  Working with Product Management to clarify and/or create technical specifications.
• Support:
  Triaging bugs related to payment applications and related infrastructure, and performing production support services as part of a regular on‑call rotation.

• 5+ years of software development experience.
• Must have demonstrable experience in the architecture and design of Android devices and embedded platforms.
• Proficiency in at least two major programming languages, with a focus on C/C++ for low‑level tasks and Java/Kotlin for the Android application layer.
• Strong Android app development experience using Kotlin and native code (JNI).
• Experience with UI development, optimal performance, and adaptation to various screen sizes.
• Good working knowledge of revision control and code review tools like Git, Gerrit, etc.
• General understanding of security protocols, encryption/decryption technologies, PKI, HSM, and certificate management.

• Embedded/MCU/ARM Cortex development, RTOS, and C language experience.
• Previous experience in the payments industry, specifically working with EMVCo or exposure to PCI/PTS standards would be very helpful but is not required.
• Back‑End development with Spring Boot.

• This role is on‑site Monday through Friday. Fiserv considers in‑person collaboration to be an essential part of this role as in‑person office experiences help you with your overall onboarding experience and leads to stronger productivity.
• This role requires being on‑call during non‑standard and/or overnight hours on a rotational basis.
• This role requires use of a computer and audio equipment.

• Fuel Your Life program to support your physical, financial, social, and emotional well‑being
• Paid holidays and generous time away policies
• No‑cost mental health support through Employee Assistance Programs
• Living Proof program to recognize your peers’ extra effort with points redeemable for rewards
• Eight Employee Resource Groups to foster a collaborative culture and expand your network
• Unparalleled professional growth with training, development, and internal mobility opportunities
• Medical, dental, vision, life, and disability insurance options available from day one
• Retirement planning and discounted shares with the Employee Stock…