Java Application Enhancement with API & Payment Gateways

As an experienced Android Java developer with ThinkPHP expertise, I'm highly interested in integrating your agency and coin seller functionalities via API. I have a strong background in Java and ThinkPHP development, with proven experience in API integration and payment gateway implementation. I'm familiar with both Razorpay and PayU and can seamlessly integrate them into your existing application, enabling one-time payment functionality. I prioritize delivering high-quality work on time and am confident I can successfully complete this project. I'm ready to discuss the specifics of your API and payment gateway requirements to provide a detailed proposal and timeline.

Hello Mate!Greetings, I’m an experienced Flutter developer skilled in building responsive, high-performance mobile apps for both Android and iOS. Let’s discuss your project, and I’ll deliver a seamless app tailored to your needs! Skills: Java, Mobile App Development, Android and PHP

Dear sir/madam, I am offering my services on short notice. Relevant Skills and Experience Please consider me and give me a chance to impress you by my quality services

I'm an experienced Java Developer with 3+ years of expertise in designing, developing, and maintaining web applications. I specialize in Java, Spring Boot, MySQL, and scalable system architecture. As a freelancer, I focus on writing clean, efficient code, solving complex problems, and delivering high-quality solutions. I am a strong communicator and a dependable team player, always ready to tackle challenging projects and create impactful software

Dear sir/madam, I am offering my services on short notice. Relevant Skills and Experience Please consider me and give me a chance to impress you by my quality services

Hello PLEASE READ MY PROPOSAL I BEG YOU I hope you are doing well. As an experienced Android Java developer with strong expertise in ThinkPHP, I’m confident in my ability to help you integrate an agency and coin seller into your existing application via API. I have worked on similar projects in the past and can ensure seamless integration, optimizing both your Android front-end and ThinkPHP backend. I’d like to share that my daughter has been diagnosed with a kidney tumor. Despite this challenging personal situation, I remain fully dedicated to delivering high-quality work and ensuring your project is completed on time with precision. Here’s how I can assist with your project: API Integration: Seamlessly integrating the agency and coin seller into your app, ensuring smooth functionality across both the Android app and ThinkPHP backend. Android Development: Using Java to develop and optimize the Android application for maximum performance and user experience. ThinkPHP Backend: Working efficiently with your existing backend, ensuring compatibility and secure data handling. Testing & Optimization: Ensuring the integration works flawlessly, with thorough testing to identify and resolve any issues. I’m excited to collaborate with you on this project and help improve the functionality of your application with seamless integrations. Let’s work together to take your app to the next level. Looking forward to working together,

With a solid foundation in Java and PHP, including deep ThinkPHP knowledge, I am confident I can be an excellent fit for your project. My track record in API integration and payment gateway implementation is strong as well. Building intelligently connected applications, like the one you've described, is precisely what Gloomdev, my development firm, specializes in. To augment your existing Java application with API connections to the agency and coin seller is right in my wheelhouse. I have a thorough understanding of integrating diverse systems through APIs and ensuring seamless communication flows between them. Moreover, I've worked with multiple payment gateways, including Razorpay and PayU; thus, the payment functionality aspect is something I'm very familiar and accomplished with. Apart from my technical prowess, my commitment to quality work and timely delivery is unwavering. I'm willing to push boundaries to create a transformative solution tailored specifically to your project's requirements. Join hands with me, and together we'll deliver an upgraded product that elevates user experience while keeping security paramount. Let's turn your vision into a successful reality!

I request to win this bid as I wil make sure I will wrap the task with atmost accuracy within the provided timeline.

Hello, I am a Java backend developer with 2+ years of experience in building secure web applications using Spring Boot. I have hands-on experience in user authentication, including Spring Security, JWT, OAuth2, and Two-Factor Authentication (2FA). ✅ My Expertise Includes: Secure user authentication (Spring Security, JWT, OAuth2, 2FA) Spring Boot & REST API development Database management (PostgreSQL, MySQL, Redis) Performance optimization & security best practices AWS deployment & Docker containerization I am highly detail-oriented and committed to delivering scalable, secure, and efficient web applications. I would love to discuss your project further and help you build a robust authentication system. Looking forward to your response! Best regards, Meet Soni