Android Software Engineer – Mobile SDK & Payment Systems

Kane Partners LLC; Philadelphia (Philadelphia County); Hybrid; USD 120,000 - 170,000; Full time

Benefits offered by this job

Competitive salary

Medical/dental/vision coverage

401(k) with company match

Flexible hybrid work model

Job summary

A leading global commerce platform seeks a high-caliber Android Engineer to develop next-generation SDKs and tools for secure payment transactions. Ideal candidates will have at least 3 years of Android and Kotlin experience, excellent debugging skills, and a strong command of Object-Oriented Design. The position offers a creative and fast-paced work environment with competitive benefits, including flexible hybrid work options.

Qualifications

• Minimum of 3 years focused on Android ecosystem and Kotlin.
• Comfortable with multithreaded environments and independent troubleshooting.
• Excellent English written and verbal skills for high-stakes technical collaboration.

Responsibilities

• Design, debug, and modify complex software features for a global commerce engine.
• Build and maintain high-performance SDKs used by enterprise-level clients.
• Lead code reviews and technical meetings.
• Solve hard bugs using static analysis and advanced debugging tools.
• Collaborate in an Agile/Scrum environment to deliver secure code.

Skills

Kotlin

Object-Oriented Design

Android Development

RESTful services

Multithreaded programming

Agile/Scrum

Education

BS/BA in Computer Science, Engineering, or related field

Tools

JUnit

Mockito

Robolectric

Job description

Overview

We are looking for a high-caliber Android Engineer to join a premier global commerce platform. This isn\u2019t a standard consumer app role; you will be developing the next-generation SDKs, libraries, and tools that power millions of secure payment transactions across the globe. You will work on a unified technology stack that spans multiple continents, solving complex problems at the intersection of mobile security and high-volume data processing.

The Tech Stack

• Primary Language: 3+ years of professional Kotlin experience.
• Architecture: Strong Object-Oriented Design and asynchronous programming mastery.
• Core Mobile: 3+ years of Android experience building robust applications or shared libraries (AARs/JARs).
• Integrations: Experience interfacing with RESTful services (JSON/XML).
• Environment: Multithreaded, high-throughput systems where performance and security are paramount.

What Youll Do

• Design, debug, and modify complex software features for a global commerce engine.
• Build and maintain high-performance SDKs used by enterprise-level clients.
• Lead code reviews and technical meetings, influencing project estimates and architectural decisions.
• Solve "difficult-to-replicate" software bugs using deep static code analysis and advanced debugging tools.
• Collaborate within an Agile/Scrum framework to deliver rock-solid, secure code.

Required Qualifications

• Education: BS/BA in Computer Science, Engineering, or a related field.
• Experience: Minimum of 3 years focused on the Android ecosystem and Kotlin.
• Technical Grit: Must be comfortable with multithreaded environments and independent troubleshooting.
• Communication: Excellent English written and verbal skills for high-stakes technical collaboration.
• Eligibility: Permanent U.S. Work Authorization is required. (No H1B, OPT, or CPT sponsorship).

Bonus Points For

• Experience with Kotlin Multiplatform (KMP).
• Unit Testing with Dependency Injection (JUnit, Mockito, Robolectric).
• Communicating with external hardware via USB, Bluetooth, or TCP/IP.
• Background in data security, encryption handling, or PCI compliance.

Benefits & Culture

This is a fast-paced, high-growth environment that rewards creativity and innovation. We offer a competitive salary, comprehensive medical/dental/vision coverage, 401(k) with company match, and a flexible hybrid work model.

This is a confidential search for an industry-leading commerce technology provider.

Work Authorization

Applicants must have valid, independent authorization to work in the United States. This position does not offer, support, or accept any form of sponsorshipither employer, third-party, future, contingent, transfer, or otherwise. Candidates must be able to work for any employer in the U.S. without current or future sponsorship of any kind. Work authorization will be verified, and misrepresentation will result in immediate removal from consideration.