Senior Mobile Application Developer

Compunnel, Inc.; Louisville (KY); On-site; USD 100,000 - 130,000; Full time

Job summary

A technology solutions provider based in Louisville, Kentucky seeks a Senior Mobile Application Developer to design and maintain high-quality mobile applications for iOS and Android platforms. Candidates should have at least 5 years in mobile development using React Native and native frameworks, combined with 8 years in .NET / .NET Core. The role involves building scalable applications, collaborating within agile teams, and integrating backend services, offering a vibrant work environment and opportunities for mentorship.

Qualifications

• Minimum 5 years of experience developing mobile applications.
• Expertise in React Native, native Android (Kotlin/Java), and native iOS (Swift/Objective-C).
• Strong background in .NET / .NET Core development.

Responsibilities

• Design and develop mobile applications for iOS and Android.
• Build cross-platform mobile solutions.
• Collaborate with teams to deliver scalable solutions.

Skills

Mobile application development

React Native

iOS development (Swift/Objective-C)

Android development (Kotlin/Java)

Backend service integration

RESTful APIs

Agile/Scrum

Code debugging

Performance optimization

Education

Bachelor’s or Master’s degree in Computer Science

Tools

.NET / .NET Core

CI/CD pipelines

Cloud platforms (Azure/AWS)

Job description

The Senior Mobile Application Developer is responsible for designing, developing, and maintaining high-quality mobile applications for iOS and Android platforms.

This role requires strong expertise in native and cross-platform mobile development, along with experience integrating mobile applications with backend services.

The position collaborates closely with cross-functional teams to deliver scalable, secure, and robust enterprise-grade solutions.

Key Responsibilities

• Design, develop, and maintain mobile applications for iOS and Android platforms.
• Build cross-platform mobile solutions using React Native where applicable.
• Develop native mobile applications using Swift/Objective-C (iOS) and Kotlin/Java (Android).
• Integrate mobile applications with backend services using .NET / .NET Core.
• Collaborate with UX/UI designers, product owners, and backend teams to deliver end-to-end solutions.
• Ensure application performance, security, scalability, and code quality through best practices.
• Conduct code reviews and enforce coding standards, architectural guidelines, and design patterns.
• Troubleshoot, debug, and optimize applications for performance and stability.
• Mentor junior developers and provide technical guidance.
• Participate in architecture discussions and contribute to technical decision-making.

Required Qualifications

• Minimum 5 years of experience developing mobile applications using React Native and/or native Android (Kotlin/Java) and/or native iOS (Swift/Objective-C).
• Minimum 8 years of experience with .NET / .NET Core development.
• Minimum 5 years of experience building and consuming RESTful APIs.
• Strong understanding of mobile application architecture, lifecycle, and best practices.
• Hands‑on experience deploying applications to the Google Play Store and Apple App Store.
• Experience working within Agile/Scrum development environments.
• Strong analytical, problem‑solving, and collaboration skills.

Preferred Qualifications

• Working knowledge of web frameworks such as React.js, Angular, or Vue.js.
• Understanding of responsive design and web‑to‑mobile integration.
• Experience with state management libraries and modern front‑end practices.
• Familiarity with CI/CD pipelines and automated testing.
• Experience with cloud platforms such as Azure or AWS.
• Bachelor’s or Master’s degree in Computer Science or a related field.
• Experience developing enterprise‑scale or customer‑facing mobile applications.