Hire the Best Firebase Developers
in Malaysia

Hands-on mobile app developer with more than 10 years experience. Capable of deciding which architecture to use on specific project and love to give opinion plus suggestion if needed. Have advantage than other flutter's developer since I've have native language skill (Swift, Kotlin, Objective-c, Java). Love to explore various framework and technology to serve the app with better performance so that customer will experience smooth buttery app.

I am a Malaysia-based Professional Mobile and Web Application Developer. I specialize in Laravel, MySQL, Vue, Vuex, and Flutter (iOS & Android). I've been developing Mobile and Web Applications from E-Commerce to CMS. I would be happy to offer you my service, So feel free to contact me for an interview. I look forward to hearing from you.

I’m an experienced Mobile Engineer & Team Lead with 11+ years of expertise in Android and iOS development, delivering apps that have reached millions of users worldwide. Over the years, I’ve built, scaled, and maintained enterprise-grade apps as well as specialized custom solutions, with a strong focus on performance, clean architecture, and modern mobile best practices. What I Do Best: Mobile Development (Android & iOS) – Expert in Android (Kotlin/Java) and experienced in iOS (Swift/SwiftUI), building high-quality, production-ready applications across both platforms. Strong knowledge of Jetpack, coroutines, Hilt/Dagger, Room, Navigation, RxJava, Firebase, and App Store / Play Store guidelines. App Architecture & Performance – Scalable MVVM/MVI architectures, optimized UI patterns (RecyclerView, ViewPager2), efficient state management, robust caching, and offline-first strategies. Authentication & Security – OAuth2, token refresh flows, secure storage, deep linking (Branch), push notifications (FCM/APNs), and analytics integrations (MoEngage, Firebase). Team Leadership – Currently serving as Engineering Lead (Mobile), mentoring developers, driving architecture decisions, and ensuring delivery under tight timelines. What You Can Expect: ✔️ Fast & reliable delivery – I prioritize hitting deadlines without compromising quality. ✔️ Clear communication – Regular updates, proactive suggestions, and collaborative problem-solving. ✔️ Long-term value – I don’t just build apps; I help you plan for scale, stability, and future growth. ✔️ Hands-on expertise – Whether fixing urgent production crashes, building new features, or leading full app development, I take ownership until the job is done right.

🧙‍♂️ Have a look at my portfolio: tanzhixuan. com I’m Jimmy 👋 I’ve been coding since I was 15, with 9 years of real-world development experience. I’m a 🏆 42× World Hackathon Champion, with projects backed by AWS, Coinbase, Ethereum, and Polkadot, and $250K+ in grants and ecosystem funding. My focus areas include complex SaaS platforms, AI-augmented and multi-agent systems with advanced RAG pipelines, and Web3 products spanning infra, payments, DeFi, advanced NFTs, RWA tokenization, SocialFi, RealFi, and Web3 tooling integrated into existing Web2 stacks. I thrive in fast-moving remote teams, where I rapidly decompose complex problems, design practical architectures, and ship production-grade prototypes that take ideas to production with minimal friction. ⭐ Core Competencies: ✓ Programming Languages: JavaScript, TypeScript, Python, Solidity, Cadence, Move, Java, C, and MATLAB ✓ Web3 & Blockchain Platforms: Circle CCTP, Account Abstraction (AA) stack, Polkadot JS, QuickNode (Functions & Streams), Alchemy, Wagmi, Viem, Ethers, RainbowKit, ENS, Sign Protocol, World ID and Mini Kit, Chainlink (Functions & VRF), Pinata, and Storacha ✓ Frameworks & Libraries: React, Next.js, Tailwind CSS, Wagmi, Viem, Ethers, RainbowKit, and WordPress ✓ AI & Multi-Agent Systems: OpenAI, ChatGPT, Claude, DeepSeek, LangChain, ChromaDB, CrewAI, Cursor, GitHub Copilot, Stability AI, ElevenLabs, Fish STT, and RunwayML ✓ Cloud, Backend & Infrastructure: Firebase Realtime Database, Firebase Firestore, AWS EC2, AWS S3, Vercel, Redis, Git, and VS Code ✓ Design & Visualization: Figma, Adobe Photoshop, Adobe Premiere Pro, and PowerPoint with professional visual storytelling and advanced transitions ✓ Enterprise & Specialized Systems: Pinata × LangChain JS tool classes for IPFS upload, query, deletion, and group management; IPFS WordPress Plugin; Storacha integrations; Blend 3D Face Reconstruction Engine; HyperAgile tokenized warehouse robotic automation system; and Discuss AI, an agent-led discussion platform