Genesis10 ยท 2 days ago
Developer (Specialty) II
Richfield, MN
Full-time
Hybrid
Mid Level
$57/hr - $62/hrGenesis10 is currently seeking a Developer (Specialty) II for a 6-month contract role with their retail client. The role focuses on modernizing and enhancing an Android application that manages login, notifications, and session management for various applications.
Information ServicesInformation Technology
Responsibilities
Help modernize and add enhancements to an Android application with a Java back end
Work with existing developers in the space
Implement OIDC and OAuth 2.0 flows using the AppAuth-Android library
Manage secure token storage via EncryptedSharedPreferences and MasterKey management
Implement complex registration handshakes involving multi-tier authentication and device/session mapping
Manage secure communication and state synchronization between multiple separate apps on the same device
Migrate legacy projects to AndroidX and Android 14 (API 34)
Understand modern security requirements such as PendingIntent mutability and granular Permission models
Qualification
Required
Deep Java & Architecture Expertise: Expert-level knowledge of Java 11/17/21 and traditional Android threading models
Advanced knowledge of WorkManager, Foreground Services, and BroadcastReceivers
Experience managing 'Always-On' background services that must survive aggressive battery optimization and system reboots
Proven experience implementing OIDC (OpenID Connect) and OAuth 2.0 flows using the AppAuth-Android library
Experience managing secure token storage via EncryptedSharedPreferences and MasterKey management
Hands-on experience with Firebase Cloud Messaging (FCM) (Data Messages) and Microsoft Azure Notification Hub (ANH)
Experience implementing complex registration 'handshakes' involving multi-tier authentication and device/session mapping
Proven experience with AIDL (Android Interface Definition Language) and Binders
Ability to manage secure communication and state synchronization between multiple separate apps on the same device
Experience migrating legacy projects (Support Library 28) to AndroidX and Android 14 (API 34)
Understanding of modern security requirements: PendingIntent mutability, Foreground Service Types, and granular Permission models
Preferred
Experience with Zebra/Symbol devices, EMDK, DataWedge
Experience with oracle or SQL database for high-volume logging and local configuration storage
Expert level with Gradle 8.5+, ProGuard/R8, and Git
Benefits
Access to hundreds of clients, most of whom have been working with Genesis10 for 5-20+ years.
The opportunity to have a career with Genesis10; many of our consultants have been working exclusively with Genesis10 for years.
Access to an experienced, caring recruiting team (more than 7 years of experience, on average).
Behavioral Health Platform
Medical, Dental, Vision
Health Savings Account
Voluntary Hospital Indemnity (Critical Illness & Accident)
Voluntary Term Life Insurance
401K
Sick Pay (for applicable states/municipalities)
Commuter Benefits (Dallas, NYC, SF)
Remote opportunities available
Company
Genesis10
Information Technology and Services
Founded in 1999
1001-5000 employees
H1B Sponsorship
Genesis10 has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (126)
2024 (68)
2023 (20)
2022 (2)
2021 (13)
2020 (29)
Funding
Current Stage
Late StageLeadership Team
Harley Lippman
CEO and Founder
Company data provided by crunchbase