Software Engineer
Remote mobile developer building secure, high‑performance iOS and Android fintech, e‑commerce, and SaaS apps with payment system integration, backend connectivity, and user‑friendly interfaces.
This is a remote position.
About the Role
We are seeking a skilled iOS & Android App Developer with experience in fintech, ecommerce, and SaaS applications . The ideal candidate will build secure, scalable, and high-performance mobile applications with payment system integration, backend connectivity, and user-friendly experiences .
This role requires expertise in mobile development and backend payment system setup , ensuring secure transactions and seamless user interactions.
Responsibilities
Develop and maintain mobile applications for iOS and Android
Build responsive, high-performance mobile experiences
Integrate APIs and backend services
Optimize applications for security and scalability
Implement payment system functionality and transaction flows
Work with product and design teams to enhance UX
Debug and resolve performance issues
Integrate payment gateways (Stripe, PayPal, PayU, etc.)
Implement secure payment flows and encryption
Work with backend services for transaction processing
Ensure compliance with financial security standards
Handle API-based payment and subscription systems
Develop subscription and recurring billing systems
Implement ecommerce cart and checkout functionality
Work with SaaS user authentication and account systems
Optimize mobile experiences for business applications
Participate in code reviews and development standards
Write clean, scalable, and maintainable code
Stay updated with mobile development trends
Collaborate with backend and product teams
Requirements
Experience with Swift, Kotlin, Flutter, or React Native
Knowledge of RESTful APIs and backend integration
Experience integrating payment systems and gateways
Understanding of mobile security and encryption
Experience with Git and version control
Familiarity with database systems (SQLite, Firebase, etc.)
Payment gateway integration (Stripe, PayPal, PayU)
Transaction security and compliance
Subscription and billing systems
Financial API integrations
User authentication and account systems
Ecommerce checkout and cart functionality
API-based subscription models
Performance optimization for business applications
Strong problem-solving abilities
Attention to detail
Ability to work remotely
Good communication skills
Team collaboration mindset
Benefits
Competitive remote salary (based on experience)
Flexible working hours
Opportunity to work with global tea
Posted June 24, 2026