OAuth Developers For Hire
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Sponsored Freelancers
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Hire Herculesz
Principal / Head AI & Full-Stack Engineer with 25+ years of experience architecting, building, and scaling complex software systems across web, mobile, cloud, CMS/eCommerce, and AI-driven platforms. I specialize in delivering production-ready applications from concept to launch, including SaaS platforms, marketplaces,...Principal / Head AI & Full-Stack Engineer with 25+ years of experience architecting, building, and scaling complex software systems across web, mobile, cloud, CMS/eCommerce, and AI-driven platforms. I specialize in delivering production-ready applications from concept to launch, including SaaS platforms, marketplaces, admin dashboards, mobile applications, automation systems, APIs, CMS websites, eCommerce stores, and intelligent AI-powered workflows. I bring a strong combination of full-stack engineering, cloud architecture, DevOps, CMS/eCommerce development, and AI/LLM expertise, with a proven ability to transform complex business requirements into scalable, secure, and user-focused digital products. My experience covers frontend architecture, backend engineering, database design, third-party integrations, real-time systems, performance optimization, CI/CD, observability, and production deployment. Technical Expertise: Frontend: React, Next.js, Vue.js, TypeScript, JavaScript, Tailwind CSS, Material UI, responsive UI/UX implementation Backend: Node.js, NestJS, Express.js, Laravel, PHP, Python, REST APIs, GraphQL, microservices, server-side architecture Mobile: Flutter, React Native, Expo, iOS, Android, cross-platform mobile app development CMS & eCommerce: WordPress, WooCommerce, Shopify, Wix, Webflow, custom theme development, plugin/app integrations, payment setup, product catalogs, checkout flows, landing pages, blog systems, and SEO-friendly website architecture Databases: PostgreSQL, MySQL, MongoDB, Firebase Firestore, Supabase, Redis, database design, optimization, migrations, and data modeling Cloud & DevOps: AWS, Google Cloud, Azure, DigitalOcean, Docker, Kubernetes, Nginx, CI/CD, GitHub Actions, server deployment, monitoring, logging, and observability AI & LLMs: OpenAI API, LangChain, RAG pipelines, AI copilots, conversational agents, semantic search, embeddings, prompt engineering, fine-tuning, Pinecone, pgvector, vector databases, and agentic workflows Payments & Integrations: Stripe, PayPal, Twilio, SendGrid, Firebase, Google APIs, third-party APIs, webhooks, CRM integrations, automation platforms, and API-based business workflows I have a strong track record of designing and delivering scalable SaaS platforms, marketplace systems, mobile apps, admin dashboards, CMS websites, eCommerce stores, automation tools, and AI-driven products that support real business operations. My work combines clean frontend experiences, secure backend systems, optimized databases, cloud-ready infrastructure, flexible CMS solutions, and practical AI innovation. As a hands-on technical leader, I am experienced in mentoring engineers, leading cross-functional teams, making architecture decisions, and aligning technical execution with business goals. I am passionate about building high-quality software that is scalable, maintainable, and ready for real-world users. less -
Hire 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. less -
Hire papon13
I’m Noor All Safaet, a Lead .NET Developer with over a decade of experience crafting high-quality, scalable, and maintainable software solutions for businesses across various industries. With a strong foundation in C# and ASP.NET (since 2014) and deep expertise in ASP.NET Core, Blazor, and React, I specialize in...I’m Noor All Safaet, a Lead .NET Developer with over a decade of experience crafting high-quality, scalable, and maintainable software solutions for businesses across various industries. With a strong foundation in C# and ASP.NET (since 2014) and deep expertise in ASP.NET Core, Blazor, and React, I specialize in building robust, enterprise-grade applications that solve real-world problems and drive business value. I am passionate about full-stack development, modern software architecture, and clean, maintainable code. My approach emphasizes SOLID principles, Repository pattern, Onion Architecture, Clean Architecture, and Test-Driven Development, enabling teams to deliver reliable, future-proof solutions. Whether it’s designing a new system from scratch, modernizing legacy applications, or leading a team to success, I take pride in delivering results that exceed expectations. Core Technical Skills Backend: C#, ASP.NET Core (MVC, Razor Pages, Web API), ASP.NET MVC, ASP.NET Web Forms, WinForms Frontend: Blazor (Server & WASM), React, JavaScript, HTML, CSS, Bootstrap, Telerik, Syncfusion, MudBlazor, Radzen Databases & ORM: MSSQL, PostgreSQL, MySQL, Oracle 10g, Entity Framework Core, Dapper, LINQ Testing: xUnit, bUnit, Moq, FluentAssertions (Unit & Integration Testing, Blazor UI Testing) Cloud & DevOps: Azure (App Services, Storage, Functions), AWS (EC2, S3), Azure DevOps (CI/CD), Docker Architecture & Patterns: SOLID, Clean Architecture, Onion Architecture, CQRS, MediatR, Repository Pattern, Dependency Injection Source Control: Git (GitHub, GitLab, Bitbucket, Azure Repos, TFS) Additional Tools & Technologies ElasticSearch, Redis, SMTP, FTP, Crystal Reports, RDLC (basic), SmarterASP, Plesk, Visual Studio 2010–2022, VS Code, SSMS, PgAdmin What I Bring to the Table ✅ A proven track record of delivering scalable, secure, and high-performance applications ✅ A deep understanding of both backend systems and modern frontend frameworks ✅ Experience leading teams, mentoring junior developers, and driving technical decisions ✅ A collaborative mindset and clear communication, with flexibility to work across global time zones (PST, EST, CST, CET, GMT, BST, ACT, AEST, ACST) ✅ A passion for continuous learning and adapting to new technologies I am always eager to contribute to innovative projects, collaborate with talented teams, and help organizations meet their goals through thoughtful software engineering. Let’s connect and explore how we can build something impactful together. less -
Hire salmanshahid5432
salmanshahid5432 salmanshahid5432
$15 USD / hour
Full Stack Developer Who Thinks Like a FounderPakistanI have helped founders ship 60+ products. Some are now doing $80k+ MRR. Let's talk about yours I do not just write code. I think about your product's growth, your users experience, and your team's ability to maintain what gets built. If something is not feasible, I will tell you before you spend a dollar on it and I...I have helped founders ship 60+ products. Some are now doing $80k+ MRR. Let's talk about yours I do not just write code. I think about your product's growth, your users experience, and your team's ability to maintain what gets built. If something is not feasible, I will tell you before you spend a dollar on it and I back that with a 100% refund guarantee if I ever set wrong expectations Going freelance was not a fallback. It was a deliberate move to work closer with founders and actually care about what ships. I have worked across early MVPs, mid stage SaaS builds, complex AI integrations, and mobile apps 4 years in house first, then independently I take on fewer projects so I can do each one properly 𝐌𝐲 𝐒𝐭𝐚𝐭𝐬: ⭐ 5 star review streak across all projects 💯 100% Job Success Score on time, on budget 💰 Helped startups reach $80k+ MRR 💸 $50k+ earned across platforms 🥇 4+ years of full stack experience 𝐌𝐲 𝐓𝐨𝐨𝐥𝐤𝐢𝐭: ◼ 𝐅𝐫𝐨𝐧𝐭𝐞𝐧𝐝: React.js, Next.js, Vue.js, TypeScript, Tailwind CSS, Sass/SCSS, Framer, Web Animations, Progressive Web Apps ◼ 𝐁𝐚𝐜𝐤𝐞𝐧𝐝: Node.js, Express.js, Nest.js, Laravel, Python, REST & GraphQL APIs, MERN Stack ◼ 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞𝐬: MongoDB, MySQL, PostgreSQL, NoSQL, API Integration, CMS platforms ◼ 𝐀𝐈 & 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧: LLMs, AI Agents, Generative AI, LLM Integration, Prompt Engineering, NLP, OpenAI APIs, Workflow Automation ◼ 𝐌𝐨𝐛𝐢𝐥𝐞: Flutter, React Native, Android SDK, Kotlin, Java, iOS, Swift 𝐖𝐡𝐚𝐭 𝐘𝐨𝐮 𝐖𝐢𝐥𝐥 𝐆𝐞𝐭 𝐖𝐨𝐫𝐤𝐢𝐧𝐠 𝐖𝐢𝐭𝐡 𝐌𝐞: ◼ Responses under 30 minutes unless I am asleep ◼ Code that your future self can actually read and maintain ◼ A straight "no" when something won't work no runaround, no wasted time ◼ A product built around your users, not just your requirements doc 𝐌𝐲 𝐂𝐥𝐢𝐞𝐧𝐭𝐬 𝐒𝐚𝐲: ◼ "Salman is an amazing contractor, bringing a wealth of talent, intelligence, and experience to our team. His communication was superb, and he delivered code of excellent quality." ◼ "Excellent knowledge, willingness to share, and the ability to simplify complex topics." 𝐖𝐞 𝐂𝐚𝐧 𝐁𝐞 𝐀 𝐆𝐨𝐨𝐝 𝐌𝐚𝐭𝐜𝐡 𝐈𝐟: ✅ You need someone who can jump in and contribute from day one ✅ You are building a SaaS, web app, mobile app, or AI powered product ✅ You want AI agents, LLM features, or automation baked into your stack ✅ You are looking for a partner who will push back when something is not the right call ✅ You need a Chrome extension, web automation tool, or productivity layer on top of an existing app 𝐖𝐞 𝐌𝐢𝐠𝐡𝐭 𝐍𝐨𝐭 𝐁𝐞 𝐀 𝐆𝐨𝐨𝐝 𝐅𝐢𝐭 𝐈𝐟: ❌ You want someone to just execute without any input or questions ❌ Mutual respect isn't something you value ❌ Your product is in the betting or adult entertainment space less -
Hire muamerITdev
muamerITdev muamerITdev
$25 USD / hour
Full Stack PHP | Laravel | Vue | MERN | Excel SEOBosnia and HerzegovinaI am a passionate full-stack web developer with over 9 years of experience creating high-performance, clean, and scalable web applications that solve real-world problems. Specializing in technologies such as React, Next.js, Vue, Angular, Node.js, Django, Laravel, Wordpress, and more, and have been providing customized...I am a passionate full-stack web developer with over 9 years of experience creating high-performance, clean, and scalable web applications that solve real-world problems. Specializing in technologies such as React, Next.js, Vue, Angular, Node.js, Django, Laravel, Wordpress, and more, and have been providing customized solutions for solo founders, startups, digital agencies, and established companies worldwide. With a solid foundation in computer science and extensive experience in both front-end and back-end development, I excel at building everything from small business websites to complex, custom applications. I take pride in crafting seamless, engaging user experiences and leveraging technology to make life better. Driven by a commitment to continuous learning and professional growth, I am eager to embrace opportunities that allow me to gain global experience and contribute to a forward-thinking company. I’m currently seeking a new challenge in a global company where I can further develop my skills, contribute my expertise, and thrive in an environment that fosters both individual and team success. If you're looking for a reliable, solution-driven, and cost-effective full-stack developer with a focus on quality, I'd love to chat about how I can help bring your project or business to life. less -
Hire extreamcode
Please visit my full portfolio: https://divulgetechnologies.com/ 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...Please visit my full portfolio: https://divulgetechnologies.com/ 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. less -
Hire 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. less -
Hire 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. less -
Hire KatrinaQ
Fast & Efficient Tecrific Service "Quality is never an accident; it is always the result of high intention, sincere effort, intelligent direction, and skillful execution; it represents the wise choice of many alternatives." I am a full-stack developer with extensive experience building modern, scalable, and...Fast & Efficient Tecrific Service "Quality is never an accident; it is always the result of high intention, sincere effort, intelligent direction, and skillful execution; it represents the wise choice of many alternatives." I am a full-stack developer with extensive experience building modern, scalable, and high-performance web applications. From frontend user experiences to backend architecture, APIs, databases, cloud infrastructure, and deployment pipelines, I provide end-to-end development solutions tailored to business needs. My expertise includes designing and developing responsive web applications, integrating third-party services, optimizing performance, troubleshooting complex technical issues, and maintaining reliable production environments. I focus on writing clean, maintainable code and delivering solutions that are robust, scalable, and built for long-term success. I take pride in clear communication, attention to detail, and delivering projects on time. I am committed to providing exceptional service and going the extra mile to ensure every client is satisfied with the final result. My reputation is built on reliability, professionalism, and consistently delivering high-quality work. less -
Hire tonybhsl
With over 20 years of experience in Web Development, Software Development, Mobile App Development, and UI/UX Design, we deliver innovative digital solutions that help businesses grow and succeed. Our Motto: "You Think, We Implement." We are passionate about technology and continuously adopt the latest tools,...With over 20 years of experience in Web Development, Software Development, Mobile App Development, and UI/UX Design, we deliver innovative digital solutions that help businesses grow and succeed. Our Motto: "You Think, We Implement." We are passionate about technology and continuously adopt the latest tools, frameworks, and industry best practices to provide high-quality, scalable, and future-ready solutions. Our focus is on delivering projects on time, within budget, and exceeding client expectations. Our Expertise Web Development PHP (All Major Frameworks) WordPress Magento Shopify CakePHP OpenCart E-commerce & Shopping Cart Solutions Angular JavaScript & jQuery HTML5, CSS3 Mobile App Development Android Applications iOS Applications Cross-Platform App Development API Integration Firebase & Push Notifications Design & Branding UI/UX Design Graphic Design Logo Design Adobe Photoshop Adobe Illustrator Database & Backend MySQL Database Management Custom CRM/ERP Development Web Services & API Development We believe in building long-lasting business relationships by delivering reliable, scalable, and innovative digital solutions that create real value for our clients. Let's discuss your project and turn your vision into reality. less
