Aman J.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

* Over 11 years of experience in designing, developing, and delivering secure, scalable, and high-performance applications across mobile (Android/iOS), frontend, backend, and QA domains. * Proficient in Android (Java, Kotlin, Jetpack Compose, KMM) and iOS (Swift, SwiftUI), delivering apps for banking, media, telecom, healthcare, and finance industries. * Strong expertise in multi-threading, dependency injection (Hilt, Dagger, Koin), coroutines, Flow, RxJava, background processing, biometric authentication, and complex UI/UX design. * Skilled in frontend technologies (React, Angular, JavaScript, TypeScript, HTML5, CSS3) and backend frameworks (Java Spring Boot, Node.js, .NET Core, Ktor, Go). * Hands-on with RESTful APIs, GraphQL, gRPC, and microservices architecture, ensuring seamless integration with backend services. * Extensive experience with databases including Room, SQLite, PostgreSQL, Oracle, MongoDB, and Redis. * Proficient in DevOps & CI/CD pipelines (Jenkins, GitHub Actions, Azure DevOps) and cloud-native deployments using Docker, Kubernetes, AWS, Azure, and GCP. * Experienced in monitoring & analytics with Splunk, Firebase Analytics, Dynatrace, and ELK stack. * Strong background in QA automation with Espresso, XCTest, Appium, Selenium, Cypress, and Postman, covering functional, regression, performance, and security testing. * Ensures compliance with APRA, PCI-DSS, and OWASP standards, delivering secure and regulation-compliant solutions. * Adept in Agile/Scrum environments, with proven ability to collaborate in cross-functional teams and deliver iterative, customer-centric solutions. * Experienced in mentoring, code reviews, project planning, and release management, with successful deployments to Google Play Store, Apple App Store, and web platforms. * Recognized for full-stack versatility, strong architectural knowledge (MVC, MVP, MVVM, Clean Architecture), and adherence to SOLID principles.