Android Developer

Android Developer - Onsite in St. Louis

Location:

Onsite in St. Louis, MO – Mastercard office

We are seeking an experienced SDK Developer with strong expertise in building end-to-end software development kits and deep knowledge of Bluetooth and Bluetooth Low Energy (BLE) frameworks. The ideal candidate will design, develop, and optimize SDK solutions that integrate seamlessly with our product ecosystem while ensuring high performance, security, and reliability.

• end-to-end SDKs
  , including architecture, implementation, versioning, and release processes.
• Build robust, scalable, and reusable SDK components for mobile and connected devices.
• Integrate and optimize Bluetooth/BLE communication within applications and device platforms.
• Work closely with cross‑functional teams (mobile, firmware, QA, product) to ensure seamless integration.
• Troubleshoot and resolve issues related to connectivity, performance, and compatibility.
• Contribute to technical documentation, coding standards, and best practices.
• Participate in code reviews and provide constructive feedback.
• Stay updated with emerging technologies, Bluetooth advancements, and SDK frameworks.

• Solid understanding of Bluetooth and BLE frameworks, protocols, and communication flows
  .
• Experience with mobile platforms (iOS, Android) or embedded systems is a plus.
• Proficiency in programming languages such as Java, Kotlin, Swift, Objective‑C, or C/C++.
• Strong problem‑solving skills and ability to work in a fast‑paced environment.
• Experience working with APIs, connectivity modules, and device communication layers.
• Good understanding of software architecture, design patterns, and debugging tools.

• Experience with IoT ecosystems or connected consumer products.
• Knowledge of firmware communication interfaces.
• Experience with performance tuning and low‑level debugging.
• Familiarity with version control systems (Git) and CI/CD pipelines.

Executive

Contract

Information Technology

IT Services and IT Consulting