Android Kernel Engineer - Payment Products

Android Kernel Engineer is a Full time, Permanent, Remote, Hybrid Job in Sofia, Bulgaria

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Android Kernel Engineer - Payment Products

Join a UK-based FinTech start-up that patented the first-ever entirely software-based POS terminal. Certified by VISA and Mastercard laboratories for functionality and security. It was established in 2018 and has developed an innovative technology that allows merchants to take payments directly on their NFC-enabled Android devices.

Simple, Efficient, and Empowering!

We started the product with the dream of making payments less complicated and cumbersome for millions of merchants. The vision is to create a product that revolutionizes the digital payments industry. This product offers rapid digital deployment and is uniquely phone and bank-agnostic.

Job Scope

As Android Kernel Engineer you'll collaborate with other skilled developers to solve complex problems and create high-quality digital payment products.

We're looking for someone who's passionate about cutting-edge technology and thrives in a dynamic, fast-paced environment. As part of the team, you'll stay current with advancements in the digital payments industry and have the opportunity to contribute to the organization's ongoing success.

Main Responsibilities

Responsible for developing and maintaining all supported kernels.
Working with mobile networking technology (DSS in NR5G; finding DSS specification and integrate into code development)
Linux and Android Kernel development (configuration and hardening for interfaces; modular kernels; debugging and network testing)
Identify and implement AOSP (Android common kernels or ACKs)
Incorporate tracing and analytics to ensure optimal performance of deployed code.
Collaborate on architecture, technology choices, and interactions with other engineering teams such as shared libraries, backend APIs, and core components.

Key Requirements

Strong knowledge of Linux kernel, device drivers, and networking
Experience creating solutions for the wireless connectivity industry
At least 5+ years experience with Java/Kotlin backend
Strong knowledge of data structures, algorithms, and design patterns
Expertise in Linux and Android Kernel structure and experience developing kernel modules
Experience developing packet-level logic with an understanding of transport and application layer protocols.
Understanding of Linux/Unix, Android, and/or iOS security models
Strong focus on unit and integration testing
Proficiency with collaborative development workflows (branches, PRs) and continuous integration practices and frameworks