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.

Hire a fullstack developer with experience in deploying Svelte / React SaaS dashboards including 3rd-party and LLM integrations, mobile apps with Flutter, and agentic RAGs with Go. More specific technologies I use - are also Redis for pub/sub, Python for scrapping and data collection, Tailwind CSS & DaisyUI for frontend UI/UX, BetterAuth / Supabase / Firebase for database and auth (including Prisma sometimes for ORM), and Stripe for payments - to list a couple.. My immediately available stacks: • Development - Svelte / Typescript / Tailwind CSS / JS / Go / Flutter / Python • DevOps (CI/CD) - Docker / Github Actions / Cloudflare Workers • AI-assisted workflow - VSCode + Claude CLI • Deployment - Railway / Cloudflare • Reporting Tools - Google Analytics / Posthog • SEO - On-page / Technical • Project Management - Slack / Trello / Asana / Linear Communications in English / Project work hours follow (GMT+8)

𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 | 𝗕𝘂𝗴 𝗙𝗶𝘅𝗶𝗻𝗴, 𝗖𝘂𝘀𝘁𝗼𝗺 𝗙𝗲𝗮𝘁𝘂𝗿𝗲𝘀, 𝗗𝗲𝗽𝗹𝗼𝘆𝗺𝗲𝗻𝘁 | 𝗥𝗲𝗮𝗰𝘁, 𝗡𝗲𝘅𝘁.𝗷𝘀, 𝗡𝗼𝗱𝗲.𝗷𝘀 𝗘𝘅𝗽𝗲𝗿𝘁 Hi! I'm your go-to Full Stack Developer for building, fixing, and scaling modern web apps that drive results. With hands-on experience crafting scalable, production-ready applications from frontend to backend, I specialize in React.js, Next.js, Node.js, and full-stack integrations. Whether you need urgent bug fixes, custom feature development, secure authentication, payment gateways, or seamless deployment, I'll deliver clean, high-performance code that exceeds expectations. 𝗪𝗵𝘆 𝗖𝗵𝗼𝗼𝘀𝗲 𝗠𝗲? • Proven Track Record: Built responsive e-commerce sites, dashboards, and SaaS apps with real-time features, user authentication (JWT/Better Auth), and payment integration (Stripe). • Fast Turnarounds: Skilled in debugging complex issues using Chrome DevTools, React Query, and Postman—often fixing bugs within hours. • End-to-End Ownership: Handles everything from Figma designs to deployment on Vercel/Netlify for a smooth, hassle-free workflow. • Clean & Scalable Code: Focused on TypeScript, Tailwind CSS, Shadcn, Prisma ORM, and Go to build robust and maintainable applications. 𝗧𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱 𝗠𝗮𝘀𝘁𝗲𝗿𝘆: React.js, Next.js, Tailwind CSS, Bootstrap, JavaScript (ES6+), TypeScript, Shadcn, Swiper.js, Axios, React Query. 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 𝗣𝗼𝘄𝗲𝗿: Node.js, Express.js, MongoDB, PostgreSQL, Prisma ORM, REST APIs, JWT, Better Auth. 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻𝘀 & 𝗧𝗼𝗼𝗹𝘀: Stripe Payments, Figma (UI/UX), Git/GitHub, VS Code, Vercel, Netlify, Firebase, NPM, Postman, Adobe Suite (Photoshop, Illustrator, XD, Canva). 𝗪𝗵𝗮𝘁 𝗜 𝗗𝗲𝗹𝗶𝘃𝗲𝗿 𝗕𝘂𝗴 𝗙𝗶𝘅𝗶𝗻𝗴: Quick diagnosis and fixes for UI glitches, API errors, performance bottlenecks, or deployment issues. 𝗖𝘂𝘀𝘁𝗼𝗺 𝗙𝗲𝗮𝘁𝘂𝗿𝗲𝘀: User dashboards, authentication systems, payment flows, responsive UI, and API integrations tailored to your requirements. 𝗙𝘂𝗹𝗹 𝗣𝗿𝗼𝗷𝗲𝗰𝘁𝘀: From MVPs to production-ready applications optimized for speed, scalability, and SEO. 𝗗𝗲𝗽𝗹𝗼𝘆𝗺𝗲𝗻𝘁 & 𝗢𝗽𝘁𝗶𝗺𝗶𝘇𝗮𝘁𝗶𝗼𝗻: Deployment on Vercel, Netlify, or Firebase with CI/CD setup, monitoring, and performance tuning. 𝗥𝗲𝗰𝗲𝗻𝘁 𝗪𝗶𝗻𝘀 • Fixed critical bugs in a Next.js e-commerce app, improved load time by 40%, and integrated Stripe for smooth payments. • Built a TypeScript-based real-time dashboard using React Query and deployed it on Vercel within a week. • Converted Figma designs into fully responsive Tailwind UI with a Prisma + PostgreSQL backend. 𝗖𝗼𝗺𝗺𝗶𝘁𝗺𝗲𝗻𝘁 • 100% satisfaction focus with revisions until you’re happy • Clear communication with regular updates and milestone delivery • Available for both fixed-price and hourly projects 𝗥𝗲𝗮𝗱𝘆 𝘁𝗼 𝗹𝗮𝘂𝗻𝗰𝗵? Send your requirements and let’s build it 𝗞𝗲𝘆𝘄𝗼𝗿𝗱𝘀: Full Stack Developer, React Developer, Next.js Expert, Node.js, Bug Fixing, Web App Deployment, Stripe Integration, TypeScript, Tailwind CSS full stack developer | website development | web application | software developer | web app development | backend developer | custom website | full stack website | build website | front end developer | web developer | mern stack developer | software development | create website | business website | frontend developer | web app | saas developer | nodejs | full stack | website builder | mern stack | javascript | website developer | ai website | html css | website design | ai web application | figma to wordpress | front end | nodejs backend | saas development | api integration | react website | angularjs | responsive design | ecommerce website | nextjs | rebuild website | back end developer | web app developer | ai web app | ai developer | react | database design database programming | react js | react developer | wix code | payment | custom design | automation | build website | custom | website design | react nextjs | javascript developer | react frontend | docker | aws cloud | deployment | api | rest api | github | web application |app development | bug fixing | react developer | custom web app | nextjs developer | ci cd pipeline |next js | react js | react developer | software developer | full stack developer | react | web app | next js developer | javascript | nextjs | figma to react | frontend developer | saas | reactjs | custom website | web developer | crm | typescript | ai developer | tailwind css | react web app | responsive web | react front end | web hosting | full stack dev | front end website

I help enterprises, founders & startups architect & develop scalable production-grade MVPs, AI platforms, multi-tenant SaaS, web, mobile, desktop, custom software applications, internal tools, AI Agentic workflow automation systems, data-intensive backend systems, AI & cloud native platform(s) across diverse business verticals. I’m 𝐓𝐨𝐩 𝟏% Senior Full Stack Software Architect (𝒆𝒙𝒑𝒆𝒓𝒕 𝒗𝒆𝒕𝒕𝒆𝒅 𝒃𝒚 𝑼𝒑𝒘𝒐𝒓𝒌) with 18 years of ‘traceable experience’ architecting, developing, testing & deploying custom production-grade custom software platform(s), including AI native SaaS solutions. I serve as a 'strategic technology partner’ throughout the SDLC: from feature mapping & product design, Infra setup & planning, system architecture & database design, API development & AI integration to the full-stack (front-end & back-end) development, testing, cloud deployment, production launch, knowledge transfer & ongoing O&M support. I’ve delivered 200+ custom software solution(s) for Fortune 500 companies, US enterprises, founders & funded startups across 38 countries with a strong track record of 100% client satisfaction. My work usually starts with building an MVP from scratch, scaling a product with traction, modernizing a legacy system, rescuing an unstable platform, performance optimization, or integrating AI or product features without disrupting core operations. From there, I convert business goals, ROI expectations, user workflows, compliance needs, budget, and timeline into a development plan covering scope, milestones, architecture, integrations, testing/UAT, and rollout. For founders and funded startups, I help turn early product ideas, business models, and ROI expectations into a focused MVP scope, scalable architecture, launch roadmap, and growth plan without overbuilding too early. I design systems architecture based on product stage, scalability needs, compliance requirements, operational complexity, and cost. My approach covers practical architecture decisions, secure integrations, tenant isolation, data modeling, AI-ready data foundations, production deployment, observability, reliability planning, and long-term maintainability. Industry & domain experience: I've built & modernized software architecture across Healthcare, EHR, EMR, HIPAA, FinTech, Finance, Banking, Insurance, Sales & Marketing, Education, Legal, Manufacturing, Chemical, Media, Real-estate, Supply-chain, Logistics, Construction, Automotive, Retail, AI SaaS MVP, B2B SaaS, eCommerce, iGaming, Marketplaces,delivery, booking, listing, mobile apps, EdTech, LMS, CRM, ERP, Business process automation, multi-tenant SaaS Platforms Whether you need a skilled development partner to build custom software, integrate AI, modernize legacy systems, or design scalable architecture for long-term growth, feel free to reach out! Our Development Team & Tech Stack: Frontend Dev: React, Next.js, TypeScript, JavaScript, Tailwind CSS, shadcn/ui. Mobile & Desktop Dev: React Native, Flutter, Swift, Kotlin, Electron Game Dev: Unity, C#, Unreal Engine 5, C++, Blueprints, Photon, PlayFab, Roblox Studio, Luau Backend Dev: Node.js, NestJS, Express.js, Python, FastAPI, Django, Java, Spring Boot, Golang APIs: REST, GraphQL, WebSockets, gRPC, OpenAPI, Swagger. Databases: PostgreSQL, MySQL, MongoDB, Redis, DynamoDB, Supabase, Firebase Firestore, RDS, Elasticsearch, OpenSearch, Amazon S3. Data Engineering: SQL, Pandas, NumPy, Apache Kafka, RabbitMQ, Apache Airflow, dbt, Apache Spark, Snowflake, BigQuery, Amazon Redshift AI & ML: OpenAI, Claude, Gemini, Llama, Mistral, PyTorch, TensorFlow, Scikit-learn, XGBoost, LightGBM, Hugging Face Transformers, LangChain, LangGraph, LlamaIndex, CrewAI, AutoGen, DSPy Vector Search: pgvector, Pinecone, Weaviate, Qdrant, FAISS, Chroma Computer Vision, NLP & AI Voice: OpenCV, YOLO, spaCy, Whisper, Deepgram, ElevenLabs Cloud / DevOps: AWS, GCP, Azure, Docker, Kubernetes, Terraform, GitHub Actions, GitLab CI/CD, Vercel, Cloudflare, Nginx Security / Auth: OAuth2, OpenID Connect, Auth0, Clerk, Okta, JWT, SAML, Vault, AWS Secrets Manager Testing / Monitoring: Jest, PyTest, JUnit, Playwright, Cypress, Postman, Datadog, Grafana, Prometheus, Sentry, OpenTelemetry, CloudWatch Compliance: HIPAA, SOC2, PCI-DSS, GDPR, ISO 27001, NIST, HL7/FHIR, KYC/AML, PII/PHI Software Development Services & Technical Capabilities: Full Stack Development, Software Development, AI Development Team, Front & back end dev, Artificial intelligence, Machine Learning, Deep Learning, Web Development, Web Application, Mobile App, AI native web development, API Integration, Full Stack developer, React & Python developer, AI developer, Web, Mobile & Software Dev, AI SaaS Dev, AI/ML, NLP, LLM, OpenCV, Algorithm, Chatbot, Developer, AI Integration, AI Automation, OpenAI, AWS, AI Agent Developer, Software Architecture & Design, AI Model Integration, Database Architecture, Solution Architecture

Plan📝 - Build🛠️ - Release 🚀 As a seasoned React Native developer with over 𝟳 𝘆𝗲𝗮𝗿𝘀 of experience, I have built applications for various business verticals including 𝗙𝗶𝗻𝘁𝗲𝗰𝗵, 𝗖𝗿𝘆𝗽𝘁𝗼, 𝗛𝗲𝗮𝗹𝘁𝗵-𝘁𝗲𝗰𝗵, 𝗧𝗿𝗮𝘃𝗲𝗹 & 𝗕𝗼𝗼𝗸𝗶𝗻𝗴, 𝗙𝗼𝗼𝗱 𝗗𝗲𝗹𝗶𝘃𝗲𝗿𝘆, 𝗦𝗼𝗰𝗶𝗮𝗹 𝗠𝗲𝗱𝗶𝗮 𝗮𝗽𝗽𝘀, 𝗮𝗻𝗱 𝗘𝘃𝗲𝗻𝘁 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁. Testimonial from a recent Upwork client: "𝘏𝘢𝘴𝘯𝘢𝘪𝘯 𝘪𝘴 𝘳𝘦𝘤𝘦𝘱𝘵𝘪𝘷𝘦 𝘵𝘰 𝘧𝘦𝘦𝘥𝘣𝘢𝘤𝘬. 𝘈𝘯𝘺 𝘨𝘭𝘪𝘵𝘤𝘩𝘦𝘴 𝘰𝘳 𝘣𝘶𝘨𝘴 𝘸𝘦 𝘪𝘥𝘦𝘯𝘵𝘪𝘧𝘪𝘦𝘥 𝘸𝘦𝘳𝘦 𝘱𝘳𝘰𝘮𝘱𝘵𝘭𝘺 𝘢𝘥𝘥𝘳𝘦𝘴𝘴𝘦𝘥. 𝘏𝘦 𝘪𝘴 𝘤𝘰𝘮𝘮𝘶𝘯𝘪𝘤𝘢𝘵𝘪𝘷𝘦 𝘢𝘯𝘥 𝘥𝘪𝘥𝘯’𝘵 𝘩𝘦𝘴𝘪𝘵𝘢𝘵𝘦 𝘵𝘰 𝘪𝘯𝘪𝘵𝘪𝘢𝘵𝘦 𝘮𝘦𝘦𝘵𝘪𝘯𝘨𝘴 𝘸𝘩𝘦𝘯 𝘵𝘰𝘱𝘪𝘤𝘴 𝘯𝘦𝘦𝘥𝘦𝘥 𝘤𝘭𝘢𝘳𝘪𝘵𝘺 𝘰𝘳 𝘥𝘪𝘴𝘤𝘶𝘴𝘴𝘪𝘰𝘯. 𝘏𝘦 𝘥𝘦𝘭𝘪𝘷𝘦𝘳𝘦𝘥 𝘩𝘪𝘴 𝘸𝘰𝘳𝘬 𝘪𝘯 𝘰𝘳𝘨𝘢𝘯𝘪𝘻𝘦𝘥, 𝘢𝘯𝘥 𝘪𝘯𝘥𝘶𝘴𝘵𝘳𝘺-𝘴𝘵𝘢𝘯𝘥𝘢𝘳𝘥 𝘤𝘰𝘥𝘦𝘴. 𝘉𝘢𝘴𝘦𝘥 𝘰𝘯 𝘵𝘩𝘪𝘴 𝘱𝘰𝘴𝘪𝘵𝘪𝘷𝘦 𝘦𝘹𝘱𝘦𝘳𝘪𝘦𝘯𝘤𝘦, 𝘸𝘦 𝘸𝘪𝘭𝘭 𝘥𝘦𝘧𝘪𝘯𝘪𝘵𝘦𝘭𝘺 𝘤𝘰𝘯𝘴𝘪𝘥𝘦𝘳 𝘏𝘢𝘴𝘯𝘢𝘪𝘯 𝘧𝘰𝘳 𝘧𝘶𝘵𝘶𝘳𝘦 𝘥𝘦𝘷𝘦𝘭𝘰𝘱𝘮𝘦𝘯𝘵 𝘱𝘳𝘰𝘫𝘦𝘤𝘵𝘴." Whether it's cutting-edge technologies or tailored project needs, I have the skills and knowledge to deliver. My skills: • Languages: JavaScript, TypeScript, Swift, Kotlin, Java, Python, PHP • Technologies & Frameworks: React Native, Expo, React.js, Node.js, Jest, Detox, Webpack • Tools: Git, GitHub, GitHub Actions, Bitbucket, Gitlab, Jira, Jenkins, Fastlane ✨ Features I have built ✨ ✅ Automating build and publishing process using CI/CD ✅ Secure authentication ✅ Apps with Geo-Location and Maps ✅ Apps with peer-to-peer Video/Audio communication ✅ Apps that require Firebase features like Database, Push Messages, Remote Config, Crashlytics, ✅ Writing custom native components and functions, and consuming them via the bridge ✅ Chat applications ✅ In-app purchases ✅ Adding analytics in apps to understand user behavior better ✅ Adding beautiful, smooth animations making sure 60 FPS is maintained ✅ Payment gateway integration: Stripe, Google Pay, Apple Pay, Braintree ✅ Converting React native app to Website ✅ Deep linking ✅ Building and connecting APIs with Nodejs Let’s talk! Best, Hasnain

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.