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Hai T.
$60/hr
100% Job Success
$300K+ earned
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Hai T. has worked .
✅ Job completion guaranteed before payment ✅ 100% Job Success - 5 stars rating ✅ 8 years of experience - Game Development ✅ Founder of a 15-members game studio ✅ 2D & 3D Video Game Engineering - Art - Design MY SERVICES: - HTML5 Game Development: I build responsive, high performance, cross-platform games using HTML5 technologies. - Playable Ads Development: I delivered successful playable ads campaigns for big companies like Amanotes, Onesoft, Zego Studio, Yodo1, and more. I also have my own tools and framework to optimize and export them to all popular ad networks. - Mobile Game Development: From concept to release, I create highly optimized, visually stunning games for iOS and Android platforms. TECHNICAL SKILLS: - Game Engines & Frameworks: PlayCanvas, PixiJS, Phaser, ThreeJS, Unity - Back-end & SaaS: Nakama, Firebase, PlayFab - Game Design - 3D & 2D Game Art, UI ✅ If you want to bring your game ideas to life without wasting your time, I’m the solution you’re looking for. I can make a high-end product with a little input. 🔑 KEYWORDS: Unity, PlayCanvas, PixiJS, ThreeJS, Phaser, Nakama, Firebase, Playfab, Game Design, 3D Game Art, 2D Game Art, Game Development, Mobile Game, HTML5 Game, Web Game, Playable Ads, Interactive Ads, Game Design & Development
$60/hr
$100+ earned
Available now
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🚀 Building Scalable, Secure & AI-Powered Web Applications With 10+ years of full-stack experience, I design and deliver end-to-end systems for high-traffic applications. My work focuses on API-first architecture, performance optimization, secure data handling, and production-grade AI integration, including LLM-powered features, intelligent automation, and model-backed APIs. I follow an agile, iterative development approach with strong CI/CD practices to ensure fast delivery, reliability, and long-term scalability. My core stack includes Python, Django, FastAPI, React, and Vue.js, allowing me to build maintainable, future-proof products driven by real business needs. 💻 Back-End Development & API Engineering ● Languages & Frameworks: Python (Django, FastAPI, Flask), Node.js (NestJS, Express), Go ● API Design: REST, GraphQL, WebSockets, gRPC ● Databases & Storage: PostgreSQL, MySQL, MongoDB, DynamoDB, Redis, Elasticsearch ● Background Processing: Celery, RabbitMQ, Kafka ● Performance & Caching: Redis, Nginx ● Security: JWT, OAuth2, AWS Cognito, role-based access control 🎨 Front-End Development & UX ● Frameworks: React, Next.js, Vue.js, Angular ● State Management: Redux, Zustand, Vuex ● Performance: SSR/CSR, code splitting, lazy loading ● UI Systems: Tailwind CSS, Material UI ● API Integration: REST, GraphQL, WebSockets ☁️ Cloud, DevOps & Infrastructure ● Cloud Platforms: AWS, GCP, Azure ● CI/CD & Deployment: Docker, Kubernetes, GitHub Actions, GitLab CI/CD ● Infrastructure as Code: Terraform, CloudFormation ● Monitoring & Observability: CloudWatch, Prometheus, Grafana ● Serverless: AWS Lambda, event-driven architectures 🤖 AI / ML Integration & Intelligence ● LLM Integration: OpenAI, Anthropic (Claude), Google Gemini, Azure OpenAI ● AI Frameworks: LangChain, LlamaIndex, Semantic Kernel ● Model Hosting & Inference: Hugging Face, Transformers, TorchServe, ONNX Runtime ● RAG Systems: Pinecone, FAISS, Weaviate ● AI-Powered Apps: Chatbots, agents, tool-calling workflows, automation pipelines 🏃‍♂️ Engineering Best Practices ● Scalable, maintainable system design ● Clean code (SOLID, DRY principles) ● Test-driven development ● Continuous feedback, reviews, and iteration ⚡ Best Fit If You’re Thinking: ● "I need to scale an MVP into a production-ready platform." ● "My app is slow or unreliable and needs performance improvements." ● "I want to integrate AI but need a practical, business-focused approach." ● "I want predictable delivery with clear timelines and communication." 🏆 Successful SaaS Products Delivered 🎨 Glorify — AI-powered design & visual content platform 🚗 GetMyAuto — Cloud-based dealer management & CRM 🛡️ Zyphe — Privacy-focused decentralized KYC & KYB platform 📡 FreeCast — Live TV and streaming aggregation platform 🔗 Stacks — Blockchain smart-contract ecosystem 📊 Lido – AI-powered document data extraction and automation Why Work With Me? ✔ Full-cycle engineering from architecture to scaling ✔ Practical, production-ready AI solutions ✔ Secure, high-performance, cloud-native systems ✔ Clear communication and predictable delivery 📩 Ready to move your idea forward? Let’s discuss your goals and turn them into a production-ready solution. 🔍 Keywords: Full Stack Developer, Backend Developer, Python Developer, Node.js, React.js, Vue.js, React Native, Angular, AngularJS, Next.js, jQuery, HTML5, CSS3, Tailwind CSS, Material UI, Django, FastAPI, Flask, Express.js, NestJS, ASP.NET MVC, ASP.NET Core API, PHP Laravel, Microservices Architecture, Serverless Architecture, Redux, Context API, Zustand, Vuex, PostgreSQL, MySQL, MongoDB, SQLite, Realm Database, Firebase, Firestore, AWS, GCP, Azure, Docker, Kubernetes, Terraform, CI/CD, API Development, REST API, GraphQL, WebSockets, gRPC, Stripe Integration, Twilio API, CRM Integration, Android Development, iOS Development, Agile Development, Scalable Systems, SaaS Development, Software Architecture, Database Architecture, Web Application Development, AI Integration, Artificial Intelligence, Machine Learning, LLM, Large Language Models, Deep Learning, AI-Powered Features, Predictive Analytics, AI Automation, NLP, Computer Vision, Reinforcement Learning, MERN Stack, WordPress Development, Google Agentspace, Agent-to-Agent A2A, MCP
$115/hr
$1K+ earned
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With over 18 years of experience in IT, I offer in-depth expertise in AI development, AI consulting, and the integration of artificial intelligence into existing system landscapes. My focus is on developing scalable, automated, and optimized solutions in the areas of full-stack development, DevOps engineering, as well as cloud and monitoring technologies. I combine deep technical knowledge with strategic thinking to create cost-optimized, high-performance, and future-proof solutions—from architecture to production operations. Through my many years of experience in developing Flutter apps with intelligent backends, I connect modern frontend technologies with data-driven AI logic. Technology Stack & Competencies: * Artificial Intelligence (AI): Development, consulting, integration, machine learning, automation * Software Architecture / Project Management / Full-Stack Development * DevOps & Infrastructure: Linux (RHEL, CentOS, Ubuntu), Docker, CI/CD, Ansible, Puppet * Programming: Java, Node.js, Ruby, Dart, Bash, PHP * Mobile & Web Development: Flutter, Android, iOS, Ruby on Rails, Vue3/Nuxt3 * Monitoring & Observability: Grafana, InfluxDB, Telegraf * Databases: MySQL, PostgreSQL, SAP HANA * SAP Technologies: SAP Basis, Fiori, SolMan, SAP HANA * Cloud and AI Optimization: Building, automating, and scaling intelligent systems Certifications: SAP Certified Technology Associate – SAP HANA 2.0 SPS07 SAP Transformation Knowledge 2025 – Solution Transformation Consultant
$100/hr
100% Job Success
$100K+ earned
Offers consultations
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Talented enterprise software development manager and engineer with 20+ years of experience developing robust applications and innovative solutions to diverse technical challenges. Proficient at coordinating and motivating high-performing and multi-disciplinary teams from the initial planning and development to successful product launch. A partial list of current and past clients includes: (ISC)2, ACCO, Alameda Alliance for Health, Berkeley College, Big Imagination Group, Bridgepoint Education, Butler University, Capital Pacific Holdings, Craft and Folk Art Museum, Cydcor, Disney, Dunn-Edwards, ECMC, Emeco, Engle + Murphy, Enron, Globe University, Herzing University, Kaplan Higher Education, Keiser University, Makar Properties, Navigant Cymetrix, New Line Cinema, Obagi Medical Products, Paramount, Physical Optics Corporation, RE/MAX Cornerstone, San Diego State University (SDSU), SCAN Health Plan, Shakey's Pizza Parlor, Southland Title, Sunbelt Controls, Ubisoft, University of California Irvine (UCI), Velocify, Warner Independent Pictures, Zenith Education Systems and many, many more!
$400/hr
$100+ earned
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Md Khirul B. has worked .
Hello Dear, I am Basar from Bangladesh. I am professional web developer. I am old freelancer but this profile is new. We are looking for a qualified web developer to join our Engineering team. You will be working with our engineers to develop and maintain high quality mobile applications. If you’re passionate about mobile platforms and translating code into user-friendly web , we would like to meet you. As a web developer, you’ll collaborate with internal teams to develop functional web applications, while working in a fast-paced environment. Ultimately, you should be able to design and build the next generation of our mobile applications.
$120/hr
$70K+ earned
Offers consultations
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Cole R. has worked .
Professional software engineer. Experience at multiple companies creating full-stack web applications for various requirements and extensive freelance experience. 💻 I have launched and helped start up multiple apps and SasS products. I have a passion for AI and chaining LLMs with various data layers and models. Do you need a site/app created or business needs automized? I've got you covered✅ MY SKILLS: • Fullstack web app • MVP creation • NextJS • React, React Native, Expo, React Query, Typescript, NodeJS • AI, ChatGPT, OpenAI, LLMs, LangChain • Landing page creation • Mailchimp, email marketing • Web design (UX/UI) • WordPress • SEO optimization • Stripe API integration • Business flow automation • Google sheets integration, Google scripts automation • CRM data flow managament • SaaS implementation • Web scraping • Bot creation • Discord bot/webhook notifications • Zapier zap creation • Mailgun, Sendgrid, Twilio, Klaviyo integration TOOLS I USE: • VS Code • Automated testing suites • Developer tools/ Lighthouse • Multiple browser testing • Mobile device emulation • Javascript, Typescript, C#, Java, Python • Selenium 📩Have any questions? Feel free to contact me, and I will get back to you within 24 hours. I will get straight to the point on your project and provide the necessary solution for you. 🔑𝐊𝐄𝐘𝐖𝐎𝐑𝐃𝐒: UI/UX, UI Design, UX design, mobile design, web design, website design, prototype design, testing, backend engineer, frontend engineer, NextJS, BlitzJS, SaaS, Stripe, WordPress, Figma, User interface design, Android app design, iOS app design, Android and iOS app design, Webdesign, Marvelapp, web design, User Interface, InVision, Principle, WordPress design, eCommerce app design, eCommerce web design, GUI design, responsive web design, AI, ChatGPT, LLM, LangChain, OpenAI
$80/hr
$3K+ earned
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With 15 years in the software industry, I’ve gained extensive experience in driving projects from ideation and system requirements, cost/time estimations to successful launch, collaborating with cross-functional teams to ensure alignment across engineering, product, design, and business functions. I’ve worked across various industries, including 3D graphics, transportation, IoT, AV systems and grocery, which helped me develop a diverse skill set that spans across AI/ML, project management and technical expertise in full software engineering stack including backend (Node.js, Go, Python), frontend development (React, Next.js), cloud infrastructure (AWS, Kubernetes), mobile app (both iOS and React Native), embedded systems (OSs/RTOS and IoT systems) and application security. Mobile/Frontend/Embedded/IoT (7 years): In the past, I’ve developed the Moove/Dantaxi app (a leading taxi system in Denmark being used by millions of people) from scratch where I led and grew the team. I’ve worked in diverse workplaces in different setups - from startups to scale ups to corporations. Backend/Cloud/DevOps (5 years): My current responsibilities at Quixel | Epic Games Inc. mainly include developing scalable and resilient backend systems for 3D content production and AWS Cloud Infrastructure in order to fuel the metaverse content creation. Previously I developed the backend system for the Epic Games' MetaHuman.
Kimberly F.
$60/hr
$0 earned
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I am a UI UX designer with 10+ years of experience web and mobile applications, with a strong focus on SaaS products. I help teams create intuitive, scalable, and user-centered digital experiences that support both usability and business goals. I've completed 200+ UI/UX Design projects delivering User Interface Design, User Experience Design, and Graphic Design across SaaS, ecommerce, healthcare etc. What I bring to your project: - Thoughtful UX strategy focused on clarity, usability, and conversion - Clean, modern UI design aligned with your product and brand - Structured design process from research to final delivery - Experience working with startups, SaaS platform, and growing businesses Core expertise: - User flows, wireframing, and information architecture - Interactive prototyping and usability-focused design - Web and mobile UI design (iOS, Android, responsive web) - Dashboard and SaaS platform design - Design systems and scalable UI components My process typically includes: 1.Understanding your product, users, and goals 2.Creating wireframes and user flows to define structure 3. Designing high-fidelity UI with a focus on usability 4. Building interactive prototypes for validation 5. Preparing developer-ready files and design systems Experience highlights: - Designed UX/UI for SaaS platforms in healthcare, fintech, and property tech - Improved onboarding flows and reduced user drop-off through simplified interfaces - Created dashboard experiences that support complex workflows with clarity - Delivered responsive designs for both web and mobile environments I also have experience working alongside development teams using technologies like React, Webflow and WordPress, with helps ensure designs are practical and implementation-ready. If you're looking for a reliable UI/UX designer who understands both product thinking and execution, I'd be happy to collaborate on your project. My experiences: - Logo Designs - Brand Guides - Print Graphics - Social Media Banners - Icons and Web Icons - Illustrations - Web Designs - Landing Page Designs - Product Mockups - Flyers - Photo Editing - Photo Manipulation - Ebooks and Booklets - Catalogs - presentation Decks - Canva Designs - Product Rendering
$70/hr
$0 earned
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Hi! I'm a mobile developer focused on building clean, fast, and user-friendly apps using React Native + Expo. Whether you need a prototype, a complete app, or just a single feature — I deliver smooth cross-platform experiences for iOS, Android, and Web. I’ve created apps like Maestro Quest, and I’m backed by powerful AI tools to work faster, debug smarter, and bring high-quality results. I can turn Figma designs into code, fix bugs, or build your MVP from scratch. Let’s make your idea real — fast, functional, and beautiful.
$110/hr
100% Job Success
$50K+ earned
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Veer P. has worked .
Hi My name is Veer! So glad to see you here :) WHY SELECT ME AND NOT SOMEONE ELSE? I am not a regular designer. With 9 years of professional experience and skills as UX/ UI researcher, designer, AI specialist and data analyst, I am well-positioned to create more personalized, predictive, and data-informed user experiences that meet the evolving needs of users and businesses than just creating design screens and handing them over. Keeping it short, here is why we should work together: 1. Firstly, I care about your project and what you are trying to achieve with your efforts and hard earned money. 2. I have been TOP RATED for 3 years in a row on Upwork. 3. I have worked on more than 1000+ projects such as web applications, B2B softwares, B2C projects etc. 4. I have worked on projects that merge UX, UI and AI and data analysis (Most UX/UI Designer are only UI Designer but work on projects from start to finish making sure to create a great user experience for clients and their users) 5. I have worked with many well known clients such as Salesforce, Teamology, MyChart, Pinnacle Global Network (Allison Maslan - best seller author and business coach), Kidsfirst, Sparkmeter etc. Another main reason why we should work together is because I am a good listener and value collaborative work. I will provide quality work and updates at the end of each phase of work. I will make you a part of the process instead of handing you everything at the end. Awards:
 1. Selected UX/UI Designer by UXLabs 2. Top rated article on Medium 3. Started Veteran-owned business named - InnovationSync LLC My Well-Known Clients:
 1. Salesforce 2. Cummins 3. DesignMotions 4. MyChart 5. Pinnacle Global Network (Allison Maslan - well known author and business coach) 6. Teamology 7. SparkMeter BONUS: I value the people I work with, so I'd like to offer you a free UX audit within 24 hours. If you're happy with my work, we can continue working together; if not, you'll still have a valuable resource for future reference. Just ask for it. Additional Info - Female, U.S. Citizen, U.S. Military Spouse --------------------------------------------------------------------------------------------------------------------------- IF YOU HAVE MORE TIME TO READ: I am UX/UI designer, researcher and data analyst with 9 years of experience. My master's degree is in Human-Computer Interaction and my undergrad is in Computer Science and Engineering. I have also worked on researcher papers and created digital prototypes in order to propose potential solution to existing problems and to deepen my understanding of user needs, behaviors, and preferences to create more informed design decisions. I was part of many conferences such as CHI conference, AIGA conference, designdepth etc. A detailed list of my skills : 1. Research Usability Testing Surveys Contextual Inquiry Personas & Scenarios User Interviews Contextual Models 2. Softwares Sketch Figma Marvel Invision Torch Adobe Creative Suite 3. Design Sketching Brainstorming Wireframing Prototyping Storyboarding 4. Web Design/Dev Wordpress Squarespace Webflow Wix If you have an idea and want to implement it or if your website/ application/ software needs to be reevaluated and redesigned, please contact me and I will be glad to serve you.
InnovationSync
Associated with
InnovationSync
$20K+
earned