OAuth Developers para contratar
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Freelancers patrocinados
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Contratar AwaisChaudhry
We are ZAWN Tech, a software and engineering team helping businesses turn complex ideas into reliable, production-ready products. Since 2014, we have delivered web platforms, mobile applications, SaaS products, AI/ML solutions, enterprise systems, automation, blockchain applications, IoT/embedded systems, and custom...We are ZAWN Tech, a software and engineering team helping businesses turn complex ideas into reliable, production-ready products. Since 2014, we have delivered web platforms, mobile applications, SaaS products, AI/ML solutions, enterprise systems, automation, blockchain applications, IoT/embedded systems, and custom software for clients worldwide. With 350+ client reviews, a 4.9/5 rating, 95% on-time delivery, and 99% on-budget performance, our focus is simple: understand the business problem, build the right technical solution, and deliver it reliably. What we specialize in • AI & Machine Learning — computer vision, AI applications, automation, LLM integrations • Web & SaaS — React, Next.js, Node.js, Python, PHP and custom platforms • Mobile Apps — iOS, Android and cross-platform applications • Enterprise Software — business management systems, APIs, integrations and automation • Blockchain & Web3 — smart contracts, wallets, exchanges and custom blockchain solutions • IoT & Engineering — connected devices, embedded systems and industrial applications • Cloud & DevOps — deployment, infrastructure, APIs, databases and scalable architectures Why clients work with us ✅ 10+ years of experience on Freelancer ✅ 349+ completed client reviews ✅ 4.9/5 overall rating ✅ 95% on-time delivery ✅ 99% on-budget delivery ✅ Experienced multi-disciplinary technical team ✅ Full project lifecycle — strategy → design → development → testing → deployment → support We are particularly suited to projects where technical complexity, reliability and long-term maintainability matter. If you have an idea, an existing product that needs improvement, or a complex system that needs to be built from scratch, send us the requirements and we'll help you determine the best technical approach. menos -
Contratar miguelml87
I help startups and businesses build scalable, secure, and high-performance applications. With over a decade of software engineering experience, I've worked on everything from MVPs for startups to large-scale enterprise systems handling millions of users and transactions. I believe in writing clean, maintainable code...I help startups and businesses build scalable, secure, and high-performance applications. With over a decade of software engineering experience, I've worked on everything from MVPs for startups to large-scale enterprise systems handling millions of users and transactions. I believe in writing clean, maintainable code while keeping business goals at the center of every decision. My goal is simple: deliver software that works, scales, and creates value for your business. menos -
Contratar johannclouieh
johannclouieh johannclouieh
$25 USD / hora
Senior Full-Stack Web & AI & Mobile Developer | 🏆Philippines⭐⭐⭐⭐⭐ I help founders and businesses build SaaS products, automate business workflows, integrate AI features, and improve existing applications that are incomplete, unstable, difficult to maintain, or not yet ready for production. My primary stack is Laravel/PHP, React, TypeScript, Node.js, PostgreSQL/MySQL, AWS, and...⭐⭐⭐⭐⭐ I help founders and businesses build SaaS products, automate business workflows, integrate AI features, and improve existing applications that are incomplete, unstable, difficult to maintain, or not yet ready for production. My primary stack is Laravel/PHP, React, TypeScript, Node.js, PostgreSQL/MySQL, AWS, and Docker. I work across the full application lifecycle—from backend APIs and frontend dashboards to AI integrations, automation workflows, payments, third-party services, infrastructure, deployment, performance, and security. Core Expertise ✔️ Laravel, PHP, MySQL, Moodle & REST API development ✔️ React, TypeScript & Node.js ✔️ SaaS architecture and existing-platform development ✔️ Stripe, PayPal & third-party API integrations ✔️ PostgreSQL, MySQL, MongoDB & Redis ✔️ AWS, Docker, CI/CD & production deployments ✔️ Authentication, permissions & application security ✔️ Performance optimization, debugging & technical debt cleanup ✔️ Admin dashboards and internal management systems ✔️ Testing, refactoring and production stabilization ✔️ GIS AI & Automation I help businesses add practical AI and automation features that reduce manual work and improve existing products and workflows. ✔️ GoHighLevel CRM setup, automation and workflow integrations ✔️ OpenAI, Claude and LLM API integrations ✔️ AI assistants, chatbots and internal copilots ✔️ AI-powered search, summarization and content generation ✔️ Document processing and structured data extraction ✔️ RAG and knowledge-base integrations ✔️ Automated customer support and internal workflows ✔️ CRM, email and business process automation ✔️ API-driven workflow automation and scheduled jobs ✔️ n8n, Zapier and webhook-based integrations I focus on using AI where it creates a practical business benefit rather than adding AI simply because it is popular. Mobile Development I also build cross-platform mobile applications with Flutter and React Native, including: ✔️ iOS & Android applications ✔️ Authentication and payments ✔️ Push notifications ✔️ Maps, GPS and location-based functionality ✔️ Real-time features ✔️ Third-party SDK and API integrations E-commerce For businesses running e-commerce platforms, I also work with Shopify and Magento, including: ✔️ Shopify development and theme customization ✔️ Shopify app and API integrations ✔️ Magento maintenance and modernization ✔️ Magento-to-Shopify migrations ✔️ Product, customer, order and content migration ✔️ URL mapping, 301 redirects and SEO preservation ✔️ E-commerce performance optimization How I Work 💪 I’m comfortable taking over projects developed by another team or developer. I review the current architecture first, identify the highest-risk problems, and prioritize the work that has the biggest impact on getting the product stable and into production. You can expect clear progress updates, early communication about blockers, practical technical recommendations, and documentation for important changes. menos -
Contratar severino0
Senior Full-Stack Developer with 10+ years of experience designing and delivering scalable web applications, SaaS platforms, marketplace systems, and cross-platform mobile applications. Strong expertise in React, Next.js, Node.js, NestJS, React Native, and Flutter, with advanced experience in database architecture,...Senior Full-Stack Developer with 10+ years of experience designing and delivering scalable web applications, SaaS platforms, marketplace systems, and cross-platform mobile applications. Strong expertise in React, Next.js, Node.js, NestJS, React Native, and Flutter, with advanced experience in database architecture, data modeling, optimization, and high-performance data systems using PostgreSQL, MySQL, and NoSQL technologies. Experienced in designing normalized and scalable schemas, complex relational models, indexing strategies, query optimization, database migrations, transaction management, data integrity enforcement, caching strategies, and performance tuning for high-volume production environments. Skilled in architecting backend systems with efficient API layers, ORM frameworks, event-driven data workflows, and reliable data persistence strategies. Experienced with cloud-native deployments on AWS, payment integrations with Stripe, distributed systems, and building secure production-ready platforms serving thousands of users. Focused on clean architecture, scalability, reliability, maintainability, and business-driven engineering solutions. menos -
Contratar taraskkorol
I build modern web applications and AI-powered SaaS products from idea to production. My focus is creating reliable, scalable systems that are easy to maintain and ready for real users. I work across frontend, backend, APIs, and AI integrations, helping startups and businesses turn concepts into working products...I build modern web applications and AI-powered SaaS products from idea to production. My focus is creating reliable, scalable systems that are easy to maintain and ready for real users. I work across frontend, backend, APIs, and AI integrations, helping startups and businesses turn concepts into working products quickly and cleanly. What I can help with: • Full-stack web development • AI features and automation • SaaS architecture and MVP builds • API integrations and performance optimization - Mobile App development with AI Integration I value clear communication, realistic timelines, and delivering solutions that actually solve business problems. menos -
Contratar pankajgarg86
Top 1% Preferred Freelancer (Based on Platform Ranking) I am a Professional Full-Stack Developer with over 10+ years of experience delivering scalable, high-performance web and application solutions. I focus on clean architecture, performance optimization, and long-term maintainability. My goal is not just to...Top 1% Preferred Freelancer (Based on Platform Ranking) I am a Professional Full-Stack Developer with over 10+ years of experience delivering scalable, high-performance web and application solutions. I focus on clean architecture, performance optimization, and long-term maintainability. My goal is not just to complete a project, but to build solutions that exceed expectations and support business growth. 💻 Technical Skills Frontend & JavaScript: React.js | Next.js | TypeScript | JavaScript | Angular | Vue.js | jQuery | Node.js | Express.js | Kendo UI | Telerik | DevExpress | HTML5 | CSS3 | Bootstrap Backend & .NET: C# | ASP.NET Core | ASP.NET MVC | .NET 6/7/8 | Web API | REST API | Entity Framework | Dapper | ADO.NET | LINQ Database: SQL Server | MySQL | PostgreSQL | Database Design | Stored Procedures | Query Optimization PHP & Frameworks: PHP | Laravel | WordPress DevOps & Deployment: Azure | AWS | Linux | Nginx | Docker | Git | GitHub | CI/CD | Plesk | PM2 💡 What Makes Me Different • 10+ years experience in production systems • Top 1% on Freelancer • 100% On-Time & On-Budget • Clean, documented, maintainable code • Strong ownership mindset I don’t just complete tasks — I solve root problems. If you need stability, performance, and reliability, let’s discuss your project. menos -
Contratar jonasdedzo
I am a Senior Full-Stack Developer with 10+ years of experience building modern, scalable, and high-performance web and mobile applications. I specialize in React.js, Next.js, Node.js, TypeScript, Python, PHP, Laravel, .NET, and API development, creating clean, responsive, and user-friendly digital solutions. My...I am a Senior Full-Stack Developer with 10+ years of experience building modern, scalable, and high-performance web and mobile applications. I specialize in React.js, Next.js, Node.js, TypeScript, Python, PHP, Laravel, .NET, and API development, creating clean, responsive, and user-friendly digital solutions. My expertise includes: ✅ Full-Stack Web Development ✅ Mobile App Development (React Native, Flutter, Android, iOS) ✅ AI Integration (OpenAI API, ChatGPT, LLM, AI Automation, AI Agents) ✅ SaaS Platforms & Business Applications ✅ REST API & Third-Party Integrations ✅ Database Design (PostgreSQL, MySQL, MongoDB, Redis) ✅ Cloud Deployment (AWS, Azure, Docker, VPS) I focus on delivering high-quality code, reliable solutions, and long-term value for clients. I can handle projects from idea to deployment, including architecture, development, testing, and maintenance. My goal is to build powerful, secure, and scalable software that helps businesses grow. menos -
Contratar alvinm66
I'm highly experienced with various architectural and engineering projects. ✔️ Expertise in Building Codes: - IRC (International Residential Code) - IBC (International Building Code) - CBC (California Building Code) - FBC (Florida Building Code) - IFC (International Fire Code) - IPC (International Plumbing Code) -...I'm highly experienced with various architectural and engineering projects. ✔️ Expertise in Building Codes: - IRC (International Residential Code) - IBC (International Building Code) - CBC (California Building Code) - FBC (Florida Building Code) - IFC (International Fire Code) - IPC (International Plumbing Code) - ASCE (American Society of Civil Engineers Standards) Comprehensive Services for Permitting and Construction: We provide a full set of detailed drawings that are fully compliant with local and state building codes. Our designs are permit-ready and tailored to the specific needs of each project. Our Expertise Includes: - Residential Projects: Single-family homes, multifamily housing - Commercial Buildings: Warehouses, malls, schools - High-Rise Structures - Greenhouses - Industrial Facilities: Refineries and more ✔️ Services We Offer: 1. Architecture Design: We deliver complete architectural design plans, from detailed floor plans and elevations to construction sections and details. All plans are ready for permit submission and compliant with state regulations. 2. Structural Engineering: Our expertise covers wood, concrete, and steel structures. We provide foundation and framing plans, structural analysis, and detailed calculations to ensure structural integrity for your project. 3. Civil Engineering: We offer comprehensive site plans, grading and drainage plans, and utility designs to optimize your land use and resources efficiently. 4. MEP Design & Drawings: We specialize in the design of mechanical, electrical, and plumbing systems, providing efficient and sustainable solutions tailored to your project's specific needs. 5. Concrete, Wood, & Steel Design/Calculations: Using advanced software such as SAP2000, ETABS, and Staad Pro, we ensure all structural designs meet the highest safety and efficiency standards. 6. 2D Drafting: Our expertise in AutoCAD and Revit enables us to create accurate 2D technical drawings, serving as a strong foundation for project development. 7. High-Quality 3D Modeling & Rendering: With tools like SketchUp, Lumion, and Vray, we produce immersive 3D models and renders that bring your vision to life, offering a clear visualization of the final product. ✔️ Why Choose Us? - Available 24/7 to assist with any project requirements - Extensive experience in construction for concrete, steel, and wood - Committed to delivering excellence from design to completion Thanks. menos -
Contratar extreamcode
I am a Full-Stack, AI, and Digital Solutions Engineer with 15+ years of experience delivering websites, business apps, automation systems, API integrations, CRM workflows, dashboards, digital marketing support, presentations, and technical problem-solving. I help clients turn ideas into practical deliverables, from...I am a Full-Stack, AI, and Digital Solutions Engineer with 15+ years of experience delivering websites, business apps, automation systems, API integrations, CRM workflows, dashboards, digital marketing support, presentations, and technical problem-solving. I help clients turn ideas into practical deliverables, from planning and design to development, deployment, optimization, documentation, and post-launch support. 30-Day Guarantee with Full Support Coverage After Project Completion. Core Expertise: - Custom websites, web apps, dashboards, portals, SaaS tools, admin panels, and business software - PHP, MySQL, JavaScript, React, Node.js basics, Python, Flask/FastAPI, MERN, LAMP, and CakePHP - WordPress, WooCommerce, Shopify, Magento, OpenCart, PrestaShop, CS-Cart, WHMCS, Webflow, Wix, Squarespace, Framer, Base44, Lovable, and Odoo - Flutter mobile apps for Android and iOS - REST APIs, webhooks, payment gateways, data sync, and third-party integrations - AI / ChatGPT integrations, AI assistants, automation tools, Python MVPs, and AI-enabled workflows - CRM, lead capture, verified lead workflows, appointment-setting systems, GoHighLevel, Zoho CRM, forms, funnels, and marketing automation - Landing pages, analytics, conversion tracking, email/SMS/WhatsApp workflows, and lead management - UI/UX, responsive web design, Figma-to-web, product pages, checkout pages, and conversion-focused layouts - PowerPoint, pitch decks, executive presentations, educational presentations, visual storytelling, infographics, and editable business documents - Canva, Figma, Adobe-style assets, social/web graphics, product visuals, storyboards, and AI-assisted image/video concepts - Three.js, WebGL, Unity-style interactive experiences, product visualization, and marketing animation support - SQL databases, reports, authentication, booking systems, inventory tools, and operational dashboards - Hosting, cPanel/WHM, VPS, Cloudflare, SSL, DNS, Linux/Windows Server, deployment, migration, speed optimization, and troubleshooting - Business process, logistics, capacity-planning, simulation-style workflows, AnyLogic/FlexSim-style support, Excel/SQL data preparation, scenario reporting, and documentation Many projects are not only websites. They involve connecting software, data, marketing, operations, reports, presentations, APIs, cloud services, and business workflows. I help turn those moving parts into dependable deliverables. What You Can Expect: - Clear communication - Practical technical advice - Clean, scalable implementation - Business-focused problem solving - Reliable troubleshooting - Proper documentation - 1-month free support after delivery Whether you need a website, eCommerce store, app, API integration, automation workflow, CRM setup, lead generation system, dashboard, presentation deck, AI tool, server fix, creative web asset, or business process solution, I can help you build it properly. menos -
Contratar stanleyo46
Hello! Father, Husband, 18-year technical consultant and software strategist. I do something most developers skip: I understand your business goals before writing a single line of code - that means fewer revisions, faster delivery, and software that fits how your team actually works. At the end of the day, good...Hello! Father, Husband, 18-year technical consultant and software strategist. I do something most developers skip: I understand your business goals before writing a single line of code - that means fewer revisions, faster delivery, and software that fits how your team actually works. At the end of the day, good software should either grow your revenue or cut your costs. That's the lens I build everything through. I communicate clearly, never go quiet mid-project, and always make sure we're aligned. 💡 Business-first: 18 yrs consulting before code - I know what actually moves the needle 🔗 End-to-end: DB to deployment to UI - one person, full accountability 🤝 Always aligned: Clear updates at every stage - you're never left wondering ⚙️ My Skillset Frontend: React, Next.js, Vue, Nuxt, TypeScript, Tailwind, Framer Motion, D3, Three.js Backend: Python, Node.js, FastAPI, PHP (Laravel), GraphQL, REST, WebSockets, JWT, OAuth2 DevOps: Docker, Nginx, CI/CD, Cloudflare, Vercel, Netlify Databases: PostgreSQL, Redis, Prisma, Drizzle ORM, Elasticsearch AI & ML: NLP, Model Fine-Tuning, Computer Vision, Vector Embeddings, AI Deployment, AI security, OpenClow 💬 Have a business problem that needs a technical solution? Message me what you're trying to build - I'll give you an honest take on scope and fit. No commitment needed. menos
