Sr. Mobile Developer
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Job Location:
San Antonio, TX - USA
Monthly Salary:
Not Disclosed
Posted on:
30-10-2025
Vacancies:
1 Vacancy
Job Summary
Job Title : Sr. Mobile Developer
Location : San Antonio TX - Day 1 Onsite
Contract Long term
Primary Skills : Kotlin Swift SpringBoot (Preferred)
About the Job:
We are seeking a talented Mobile App Development Engineer to join our engineering team in building and maintaining innovative mobile applications for iOS and Android platforms. The engineer will focus on writing clean efficient code implementing features and ensuring high-quality deliverables in a fast-paced environment. This role is a complete hands-on development responsibility. The ideal candidate must possess a diverse skill set to tackle the challenges of app development effectively from proficiency in programming languages such as Java Swift or Kotlin to expertise in mobile app development frameworks like React Native or Flutter.
Key Responsibilities:
- Develop and maintain mobile applications /C# Java/Kotlin Swift or React Native following clean code principles.
- Implement user interfaces and features based on wireframes designs and technical requirements.
- Integrate mobile applications with RESTful APIs backend services and third-party libraries (e.g. Firebase Facebook SDK).
- Write unit and integration tests to ensure code quality and reliability.
- Debug and resolve issues reported by QA or end-users optimizing for performance and compatibility.
- Collaborate with cross-functional teams (e.g. designers product managers backend developers) to deliver user-friendly applications.
- Participate in code reviews to maintain code quality and consistency.
- Stay updated with mobile platform updates SDKs and development best practices.
- Contribute to technical documentation including API usage and feature implementation details.
- Support the application lifecycle including testing release and post-launch maintenance.
Required Skills & Experience:
- Bachelors degree in computer science Engineering or a related field (or equivalent experience).
- 8 years of experience in mobile application development.
- Proficiency in mobile development language/framework (e.g. .NET MAUI Java/Kotlin Swift React Native).
- Familiarity with mobile platform APIs SDKs and tools (e.g. Android Studio Xcode) for both iOS and Android
- Experience with RESTful APIs JSON and web services integration.
- Knowledge of UI/UX design principles and platform-specific guidelines.
- Understanding of version control systems (e.g. Git) and basic Agile practices.
- Strong problem-solving skills and attention to detail.
- Ability to work collaboratively in a team environment.
Desired Skills & Experience:
- Experience with cross-platform development frameworks (e.g. Flutter Xamarin).
- Knowledge of mobile testing tools (e.g. JUnit XCTest Jest).
- Familiarity with cloud services (e.g. AWS Firebase) and CI/CD pipelines.
- Understanding of mobile security practices (e.g. secure storage API authentication).
- Contributions to released applications on the App Store or Google Play.
Regards
Manoj
Derex Technologies INC
Contact : Ext 206
Additional Information :
All your information will be kept confidential according to EEO guidelines.
Remote Work :
No
Employment Type :
Full-time
Key Skills
- React Native
- Objective C
- iOS Development
- Swift
- Android
- Xamarin
- Application Development
- SDKs
- IOS
- Java
- Cordova
- Mobile Applications
About Company
Derex Technologies Inc specializes in providing IT consulting, staffing solutions and software services. Globally headquartered in Harrison New Jersey since 1996 Derex delivers the highest quality technology professionals and an array of customized IT talent solutions designed to impr ... View more
