Mobile App Developer

Graystone Capital; New Delhi; On-site; INR 900,000 - 1,400,000; Full time

Job summary

Graystone Capital invites a skilled Mobile App Developer to design and build next‑generation mobile applications that elevate customer engagement and digital experiences. You will collaborate with product and design teams to create secure, intuitive experiences across iOS and Android.

The role requires delivering high‑quality apps, integrating APIs, and ensuring security and performance throughout the app lifecycle.

Qualifications

• 3+ years of mobile development experience.
• Proficiency in Flutter / React Native OR Swift / Kotlin.
• Strong understanding of mobile UI principles and performance optimization.
• Experience with REST APIs and backend integration.
• Knowledge of mobile security best practices.
• Experience publishing apps to App Store / Google Play.
• Strong debugging and problem-solving skills.

Responsibilities

• Develop and maintain high-performance mobile applications
• Build cross-platform or native mobile solutions
• Integrate APIs, payment gateways, and third-party services
• Ensure application security and data protection
• Optimize applications for performance and responsiveness
• Conduct testing and debugging to ensure high reliability
• Participate in app deployment and lifecycle management

Skills

Mobile app development

Flutter / React Native

Swift / Kotlin

REST APIs integration

App stores publishing

UI performance optimization

Security best practices

Tools

Git

CI/CD

Job description

We are seeking a driven Mobile App Developer to design and build next-generation mobile applications that enhance customer engagement and digital experience.

You will work closely with product and design teams to create seamless, secure, and intuitive mobile solutions across iOS and Android platforms.

Key Responsibilities

• Develop and maintain high-performance mobile applications
• Build cross-platform or native mobile solutions
• Integrate APIs, payment gateways, and third-party services
• Ensure application security and data protection
• Optimize applications for performance and responsiveness
• Conduct testing and debugging to ensure high reliability
• Participate in app deployment and lifecycle management

Required Skills & Qualifications

• 3+ years of mobile development experience
• Proficiency in Flutter / React Native OR Swift / Kotlin
• Strong understanding of mobile UI principles and performance optimization
• Experience with REST APIs and backend integration
• Knowledge of mobile security best practices
• Experience publishing apps to App Store / Google Play
• Strong debugging and problem-solving skills

What We Look For

• Product thinking mindset
• Attention to performance and user experience