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I help clients turn game ideas into scalable Unity products, from prototype to live production, including backend, multiplayer, and deployment. I’m a Unity developer with 10+ years of experience working on mobile, web, and PC games. I don’t just build the client side, I also design backend systems, multiplayer architecture, and game economies. I also build AI-powered tools and workflows using agents (e.g., Codex with MCP), enabling automation, tool integration, and smarter development pipelines. I’ve worked on multiple shipped projects across mobile, WebGL, and PC, including multiplayer and backend-heavy systems. Core Expertise: • Unity (Android, iOS, WebGL, PC) • Multiplayer (Photon, SmartFoxServer) • Backend (Java / ASP.NET Core + MongoDB) • Blockchain integration (EVM, zkEVM) What I can deliver: • Full game development (client + backend) • Scalable backend and game logic • Real-time multiplayer systems • Deployment and CI/CD pipelines • Dashboard for custom management ❝Tim delivers beyond expectations and brings clarity to complex projects.❞ If you have a game idea or need help scaling your project, feel free to reach out. I’m happy to discuss the best approach for your case. Best regards, Timothy Hermawan

I am TOP 5% on Upwork. I have many experiences in IT field as a programmer especially in desktop and web development for more than 10 years. My Expertises : PHP Framework : Laravel (Filament), CodeIgniter, Symfony (Twig, Doctrine-ORM) CMS : Wordpress, Joomla, Magento, Magento 2, BigCommerce, Shopify, Volusion, ActiveCollabs, Business Catalyst, Cms Builder, Optimize Press, OSCLASS (CMS for classified sites), Orodha, Hesk (CMS for Helpdesk), Sharetribe, Open Journal System (OJS), Craft CMS Nocode: Wix, Wix Corvid/Velo, Squarespace, Webflow, Arcadier OS : Linux Ubuntu, Centos, Windows, OSX Server : Ubuntu on VPS and AWS EC2, AWS Cloudfront, Alibaba Clouds ECS (Centos), CloudWays Server, Siteground, Mail Setting (DKIM, SPF, etc), CloudFlare, ActiveCampaign Web Server: Apache, NGINX, Tomcat Web Services: Varnish, Redis, SOAP/REST/OAuth, Webhook, CronJob Programming Language : PHP (OOP, MVC, Debugging, xdebug), C#, VB, Java, Python, C++, Rust, NodeJS (Nest JS, Typescript, Prisma, Directus) Database : MySQL, SQL Server, MongoDB, PostgreSQL CRM : Zendesk, CommCare, Hubspot (API, HubL, Custom Quote Template) API/Webhook Development : Twitter, Agoda, Pin Payment, Office Auto Pilot/Ontraport, Instagram, CarQuery, Facebook, Oodle, Stripe, Paypl, Github, BigPost, SinoGoodies, ChinaBrand, Dropbox, Zendesk, Zippay/Zipmoney, Google Maps, Google Sheets, Open Street Map (OSM), OneDrive, CommCare, Hubspot, ThriveCart, Simpro, TSheets, Innosend, Afterpay, SendGrid Inbound Parse, Real Estate IDX/MLS, RETS 1.8, RETS 1.9 (VirtualRETS), BridgeDataOutput, RESO, PlugAndPay, Microsoft Outlook OAuth2, Google Gmail OAuth2, Twilio Messaging, ConvertKit Project Management Tools : JIRA/Atlassian, Github Zenhub, Trello, Miro, Notion Wordpress Plugin: WP Pro Quiz, Elementor Pro, Woocommerce, LearnDash, Tutor Pro LMS, Ultimate Member, WP Events Calendar, W3 Total Cache (W3TC), Drawing Tools, Advanced Custom Fields(ACF), Equation Editor, TinyMCE, Gravity Form, Estatik Houzez Real Estate, Adverse Childhood Experiences (ACEs) Quiz, etc Other : CSS, XML, JavaScript, JQuery, Ajax, Node JS, React JS, AngularJS, Vue JS, Reporting tools, Twitter & JQuery UI Bootstrap, Amazon S3, Email Newsletter, Simple Invoices, Smarty, Python Scrapy, Image Magick (Imagick), Virtuemart, Fancybox, Flowplayer, Mozilla PDF.js, OpenCV, Open Street Map (OSM), Select2, Mailwizz, Calendarwiz, DataTables, Fabric.JS, SOAP API, PHPRETS, RETS/MLS Listing, Real Estate IDX, Thrivecart, Directus, Twilio Segment, Optimonk, VWO (A/B Testing), Sentry, Leantime, Google Analytics 4 (GA4), Google Tag Manager (GTM), Google Scholar, Google Calendar, FullCalendar, Latex, CodeCogs, BookingKoala, OsTicket, ConvertKit, etc. I am involved in developing many projects from scratch for some company and government. I also have experience on Banking and Insurance project like mutual fund web application by using classic ASP. I also created CBT (Computer-based testing) simulator similar with NCEES CBT for Civil Engineering FE and PE exams. I am a hard worker, fast, self taught and highly motivated.

I'm a Google Cloud Professional Architect and Cybersecurity Engineer with 18+ years of hands-on experience. And I build GCP environments where security isn't bolted on at the end. It's engineered from the ground up. In today's evolving threat landscape, a reactive security posture is a liability. I specialize in proactively identifying vulnerabilities and architecting multi-layered defense systems on GCP to protect mission-critical data and ensure operational resilience. My approach integrates security into the entire cloud lifecycle, from initial design and CI/CD pipelines to continuous monitoring and incident response. My key differentiator is an offensive security mindset enhanced by AI. I leverage Large Language Models (LLMs) to simulate sophisticated attack vectors and automate threat modeling, allowing me to uncover blind spots that traditional security tools often miss. This "think like an attacker" methodology ensures a more robust and future-proof security posture for your organization. My areas of expertise include: - Cloud Billing & Cost Optimization: Implementing FinOps Strategy, Cost Optimization & Resource Management. - Cloud Security Architecture: Designing secure-by-default GCP landing zones and infrastructure. - Threat Detection & Posture Management: Implementing and managing GCP Security Command Center and other CSPM tools. - AI-Enhanced Offensive Security: Using LLMs for advanced penetration testing and vulnerability discovery. - Infrastructure as Code (IaC) Security: Securing Terraform scripts and CI/CD pipelines against misconfigurations. - Container & Kubernetes (GKE) Security: Hardening containerized environments and implementing service mesh security. - Compliance & Governance: Architecting solutions to meet frameworks like ISO 27001 and SOC 2. Let's connect to discuss how I can secure your Google Cloud environment.

I'm Unity developer with a rich experience since 2014. My expertise lies in creating cutting-edge applications, games, and prototypes for various tech companies. I have a proven track record of delivering high-quality projects and am well-versed in software and game development for iOS, Android, Windows, and macOS platforms using Unity3D. My specialization includes advanced prototyping for emerging technologies such as Augmented Reality (AR), Virtual Reality (VR), Mixed Reality (MR), and Internet of Things (IoT). I am deeply committed to crafting immersive and innovative experiences that push the boundaries of what is possible in the digital realm. Throughout my career, I have demonstrated a dedication to excellence and a passion for creating impactful user experiences. I am adept at leveraging Unity3D's capabilities to deliver exceptional solutions tailored to the unique requirements of each project. I am confident in my ability to contribute effectively to any project, ensuring its success through my technical expertise, creativity, and commitment to delivering unparalleled quality.

I’m an AI Video Creator, TikTok AR Filter Developer, and Creative Technologist with 5+ years of experience in digital content creation, augmented reality, and interactive media. I help brands, businesses, and creators produce high-performing short-form content for TikTok, Instagram Reels, and YouTube Shorts using AI tools, creative storytelling, and custom AR effects. My expertise includes: • AI Video Editing & AI Content Creation • TikTok Video Ads & Viral Short Videos • TikTok AR Filters & Effect House Development • Augmented Reality (AR) Experiences • Unity, Lens Studio, Spark AR & Effect House • Motion Graphics & Social Media Content • Video Production for Marketing Campaigns • Interactive Brand Promotion & Digital Experiences I have worked on AR and creative projects for tourism campaigns, entertainment promotions, movie marketing, and social media engagement campaigns. I also received recognition in several international TikTok Effect Challenges, including PAC-MAN, Genshin Impact, Honkai Star Rail, and YouTube Effect Maker competitions. Recent projects include: • Custom TikTok AR filters for brands and movie promotions • AI-generated TikTok videos for product marketing • Interactive AR experiences for cultural and tourism campaigns • Social media effects designed to increase engagement and brand awareness In addition to my creative background, I also have professional experience in IT, data analysis, and system support as an MES System Analyst at a Korean manufacturing company. This gives me strong problem-solving skills, attention to detail, and professional communication when handling client projects. Why work with me? ✔ Fast communication ✔ Creative and trend-aware content ✔ High-quality visual results ✔ Experience with viral TikTok content ✔ Professional and reliable workflow ✔ Focus on client satisfaction and long-term collaboration If you need AI-generated videos, TikTok content creation, AR filters, or creative digital experiences, I’m ready to help bring your ideas to life.

Hi, my name is Febrianto Arif, I am a Full stack Mobile & Web Developer, Senior React Native & Yii Developer. This is my current achievement : ✅ Upwork Top Rated Plus Developer (June 2022) ✅ Full Stack Web(SaaS/B2B/B2C/PWA/Ecommerce) Developer ✅ Familiar with AI Agent & OpenClaw(ClawBot) ✅ Full Stack Mobile Developer ✅ 20+ Products Created using React Native ✅ 6+ years of experience with React Native (Redux, React Navigation, GraphQL, Axios) ✅ 4+ years of experience with Yii-Framework v1 and 6+ years of experience with Yii-Framework v2. ✅ Familiar with Github & Gitlab ✅ Familiar with CI/CD platform like CodeMagic, Bitrise, Gitlab, CircleCI, and Netlify ✅ Love to write clean code This is my skill stacks : 💻 Javascript (ES6) 💻 Typescript 💻 ReactJS & NextJS 💻 React Native 💻 PHP (Yii Framework) 💻 Java 💻 MySQL 💻 Linux Ubuntu 💻 MacOS 💻 Claude 💻 OpenAI 💻 Cursor Best Regards, Feb Keywords: React Native Developer / Mobile App Developer / Cross-Platform Mobile App Developer / iOS App Developer / Android App Developer / Hybrid Mobile App Developer / Full Stack Developer / MERN Stack Developer / React Native Development / React Native App Developer / React Native App Development / React Native Expert / React Native CLI / React Native Expo / Mobile Application / Mobile App Development / Mobile App Developer / Build React Native App / React Native Bug Fixing / React Native Performance Optimization / React Native App Upgrade / React Native App Redesign / React Native UI Development / React Native API Integration / React Native Firebase Integration / React Native Authentication / React Native Push Notifications / React Native Payment Gateway Integration / React Native Real-Time App / React Native Database Integration / React Native Mobile App Development / AI Mobile App Developer / AI Mobile App / Full Stack Mobile App Developer / Mobile App Development Consultation / iOS Mobile App Developer / Android Mobile App Developer / Hybrid Mobile App / JavaScript Developer / TypeScript Developer / React Developer / Next.js Developer / Tailwind CSS Developer / HTML5 Developer / CSS3 Developer / UI/UX Developer / Node.js Developer / NestJS Developer / Express.js Developer / REST API Developer / Backend Developer / API Integration / MongoDB Developer / PostgreSQL Developer / MySQL Developer / Firebase Developer / Supabase Developer / AWS Developer / Docker Developer / CI/CD Developer / GitHub Developer / Cloud Deployment