ES8 Javascript Experts For Hire
Showing 36 results
Sponsored Freelancers
-
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 mo1847
I’m a Senior AI Full Stack Developer with 10+ years of experience building AI-powered applications, intelligent automation platforms, scalable SaaS products, and production-ready web applications. I specialize in combining AI/LLMs with modern full-stack development to build reliable software that solves real business...I’m a Senior AI Full Stack Developer with 10+ years of experience building AI-powered applications, intelligent automation platforms, scalable SaaS products, and production-ready web applications. I specialize in combining AI/LLMs with modern full-stack development to build reliable software that solves real business problems, automates workflows, improves efficiency, and creates measurable value. 🤖 AI & LLM Development - AI Agents & Autonomous Workflows - LLM-powered applications - OpenAI GPT API & ChatGPT integrations - Google Gemini API integrations - Retrieval-Augmented Generation (RAG) - AI chatbots & intelligent assistants - Prompt Engineering & Optimization - Function Calling & Tool-Using Agents - AI Search & Recommendation Systems - Document Processing & Knowledge Bases - AI Workflow & Business Automation - LLM evaluation and optimization 💻 Full-Stack Development Frontend: React.js, Next.js, TypeScript, JavaScript, Tailwind CSS Backend: Python, FastAPI, Django, Node.js, Express.js, NestJS, REST APIs, GraphQL, Microservices Databases: PostgreSQL, MongoDB, Supabase, Redis, MongoDB Atlas Cloud & DevOps: AWS, Docker, Linux, Nginx, CI/CD, VPS, cloud-native architecture 🚀 What I Build - AI SaaS platforms - AI agents and copilots - RAG applications - Custom ChatGPT-style applications - AI customer support systems - AI document analysis platforms - AI automation systems - Business workflow automation - SaaS dashboards and enterprise applications - API platforms and third-party integrations - MVPs and production applications 🔌 API & System Integration I build robust integrations with AI providers, payment systems, communication platforms, analytics tools, databases, and third-party SaaS APIs. I focus on authentication, validation, error handling, retries, security, performance, and scalability. 🏗️ Engineering Approach I focus on more than just writing code. I design systems that are secure, maintainable, scalable, cost-efficient, and production-ready. I can help with everything from architecture and MVP development to AI integration, backend engineering, frontend development, cloud deployment, optimization, and ongoing improvement. If you need an AI Full Stack Developer, AI Agent Developer, LLM Developer, RAG Developer, OpenAI Developer, Python/FastAPI Developer, React/Next.js Developer, or SaaS Engineer, I can help turn your idea into a reliable production system. less -
Hire Neelumsoft
Hello Everyone, I am Faisal Manzoor Hussain, professional full stack developer holding experience in website development, desktop development and hybrid application development with proven success. I'm here to help businesses all over the world to grow their online presence through mobile apps and website...Hello Everyone, I am Faisal Manzoor Hussain, professional full stack developer holding experience in website development, desktop development and hybrid application development with proven success. I'm here to help businesses all over the world to grow their online presence through mobile apps and website development services. My target is to help these companies automate their complex business logic. I also hold specialization in developing APIs and integrate almost all sorts of APIs in your application. I also automate business processes to help your business run smoothly. Why should you hire me? Reasons that sound logical in hiring me include ● 99% Completion rate ● Top 3% in Freelancer.com directory ● Lower hourly rate for long term projects ● Life time free bug fixing guarantee Coming to our array of services, I offer my customers with: ● Mobile Responsive Website Design, Development & Optimization. ● Graphics Design & 3D Logo Design & Brand Identity. ● Android App Development (Native & Hybrid) ● Wix Studio, Google Apps Script, SalesForce, Xero, AMP, GSO and Progressive Web Applications Development ● Web Services (JSON, XML, SDK, SOAP, SAML, SSO) ● Website Maintenance (Regular Updates) ● Cloud Formation, JotForm.com, Bubble.io, klaviyo.com Major Web API Integrations are namely- - Google (Maps, Drive, Analytics, My Business, Tag Manager, Gmail) - Payment Gateways (PayPal, Square, Stripe + Connect, PayTM, Skrill, 2Checkout, Paynet, BrainTree). - Shipping Platforms (Fedex, Royal Mail) - SMS Gateway (Twilio, BrainsSMS, Clickatell) - Social (Facebook, Instagram, Twitter, LinkedIn, YouTube, Telegram) - AWS, GCP, Big Data, Big Query, AI, and Data Engineering - HealthCare (Stafferlink, Deputy) - Smoobu, Remote lock, MQTT, Web Sockets, - NFC, RFID, Sensors, Fingerprint, and QR processing, Aurdino, Power BI - Blockchain, Smart Contracts, Ethereum, Binance Smart Chain, NFT, Data Mining - Microcontrollers, PLC, Electronics, Robotics process automation, AI Automation Tools, MVC and CMS that I'm are compatible working with are: 1. OpenAI, Machine Learning, Chat GPT, Tensorflow 2. Codeigniter, Laravel 3. AngularJS 4. Wix 5. Squarespace 6. Shopify 7. Bootstrap, Foundation 8. Intel XDK Android Application Development 9. Ethr.js Solidity less -
Hire FaixySaati
I’m a web & mobile designer/developer with 15+ years of experience specializing in Landing Pages, UI/UX, CMS, Web & Mobile Development, and API Integration. I help businesses create modern, responsive digital experiences and functional web solutions that look great, work smoothly, and are built around real business...I’m a web & mobile designer/developer with 15+ years of experience specializing in Landing Pages, UI/UX, CMS, Web & Mobile Development, and API Integration. I help businesses create modern, responsive digital experiences and functional web solutions that look great, work smoothly, and are built around real business goals. My focus is creating digital products that don’t just look good, they’re intuitive, responsive, scalable, and built around real business goals. ✅ What I Do Landing Pages & Conversion Design ✔ High-Converting Landing Pages ✔ Sales & Lead Generation Pages ✔ Figma Landing Page Design ✔ Responsive Design ✔ CTA & Conversion-Focused Layouts UI/UX Design ✔ Web & Mobile UI/UX in Figma ✔ Wireframes & Prototypes ✔ User Flows ✔ Design Systems ✔ SaaS & Dashboard UI ✔ Mobile App Interfaces CMS & Website Development ✔ Webflow Design & Development ✔ WordPress & WooCommerce ✔ Shopify Store Setup & Customization ✔ Wix Website Design ✔ Website Redesigns & Rebuilds ✔ Mobile Responsive Development Web & Mobile Development ✔ Custom Web Applications ✔ REST API Development & Third-Party API Integration ✔ React, Vue & Node.js ✔ Mobile App UI/UX ✔ iOS & Android App Interfaces ✔ Web App & Dashboard Development ✔ SQL & NoSQL Databases I work primarily in Figma for UI/UX, wireframes, prototypes, and design systems. For websites and CMS projects, I use Webflow, WordPress, Shopify, WooCommerce, and Wix depending on the project's requirements. For custom functionality and integrations, I work with modern web technologies, REST APIs, and third-party API integrations to connect websites and applications with the services they need. 📁 Selected Work WordPress / WooCommerce ✔ forgeusa.net ✔ festivalsupermarket.com ✔ sfplumbingandbackflow.com ✔ ericasplumbing.com ✔ range-time.com ✔ lifebacklaw.com ✔ xmhouston.com ✔ thebankruptcylawfirm.net ✔ fmbeef.com Shopify ✔ haisonskin.com ✔ jaspr.co ✔ bluestarcoffeeroasters.com ✔ ravecoffee.co.uk ✔ coffeebrandcoffee.com ✔ placesmoments.com Wix ✔ spiritoak.org ✔ katycompany.com ✔ llugo.com ✔ hrstack.io ✔ latheturn.com ✔ theliteracycentral.com Webflow ✔ bay2.co.uk ✔ energyhawk.com ✔ hungryforlife.org ✔ studiesin.com ✔ marieforleo.com ✔ havenlyrealestate.com ✔ roreinvest.com ✔ pinhouse.gr Mobile Apps ✔ exerflysport.com ✔ tangobravo.co ✔ rentberry.com ✔ meetspa.net ✔ movematch.app Web App Prototypes ✔ SaskiAI | Mandate 360 I’ve worked with international clients, including time spent living in the US, which has helped me understand different markets, design expectations, and what makes a digital product feel professional and trustworthy. After taking a break from Freelancer.com, I’m back with a broader skill set across Landing Pages, UI/UX, CMS, Web & Mobile Development. ✅ What You Can Expect ✔ Clear Communication ✔ Fast Response Time ✔ On-Time Delivery ✔ Attention to Detail ✔ Practical & Honest Advice Have a project in mind? Send me the details and I’ll tell you honestly whether I’m the right fit. less -
Hire arturg6
Hello and welcome! I am a Full Stack Developer, AI Engineer, and Mathematics Researcher with a strong academic background in mathematics, scientific computing, machine learning, and software development. My experience combines advanced mathematical problem-solving, research methodology, and modern software...Hello and welcome! I am a Full Stack Developer, AI Engineer, and Mathematics Researcher with a strong academic background in mathematics, scientific computing, machine learning, and software development. My experience combines advanced mathematical problem-solving, research methodology, and modern software engineering to create efficient, scalable, and intelligent solutions for businesses, startups, and individuals. ===== Academic Background ===== ✓ Master's Degree in Mathematics ✓ Doctoral Research Experience in Mathematics ✓ Published Research Author ✓ Scientific Computing & Mathematical Modeling ✓ Advanced Statistics & Data Analysis ===== Development Expertise ===== - Frontend Development • React.js • Next.js • Vue.js • TypeScript • JavaScript (ES6+) • HTML5, CSS3, Tailwind CSS - Backend Development • Node.js & Express.js • Python (Django, Flask, FastAPI) • PHP & Laravel • RESTful APIs • Authentication & Security - Database Systems • PostgreSQL • MySQL • MongoDB • SQLite • Database Design & Optimization ===== Artificial Intelligence & Data Science ===== • OpenAI & ChatGPT Integration • AI Chatbot Development • LangChain Applications • Machine Learning Solutions • Natural Language Processing (NLP) • TensorFlow & PyTorch • Data Analytics & Visualization • Predictive Modeling • Automation & Intelligent Workflows ===== Cloud & DevOps ===== • AWS Cloud Services • Google Cloud Platform (GCP) • Docker & Kubernetes • CI/CD Pipelines • Linux Server Administration • Nginx & Apache • Infrastructure Automation ===== Mathematics & Research ===== My mathematical background enables me to approach projects with strong analytical thinking and precision. Areas of interest include: • Machine Learning • Graph Theory • Optimization Algorithms • Statistical Analysis • Scientific Computing • Linear Programming • Mathematical Modeling • Data Mining ===== Why Choose Me? ===== ✓ Strong Problem-Solving Skills ✓ Research-Oriented Mindset ✓ Clean & Maintainable Code ✓ Fast and Clear Communication ✓ Reliable Project Delivery ✓ Scalable and Secure Solutions ✓ Long-Term Technical Support ===== My Goal ===== To help clients transform ideas into high-quality digital products through modern web technologies, artificial intelligence, and data-driven solutions. Whether you need a web application, AI-powered system, automation workflow, API integration, database solution, or custom software, I am ready to help bring your vision to life. Feel free to contact me to discuss your project. less -
Hire ololadeotemade
I am a software engineer with an interest in building applications with beautiful user interfaces; that lead to a satisfactory user experience. As someone who is highly focused and attentive to detail, I thrive on building quality applications that surpass end users’ expectations. My in-depth understanding of the...I am a software engineer with an interest in building applications with beautiful user interfaces; that lead to a satisfactory user experience. As someone who is highly focused and attentive to detail, I thrive on building quality applications that surpass end users’ expectations. My in-depth understanding of the Cascading Style Sheets (CSS) allows me to adopt any design framework of my choice. I have experience in converting Figma mock-up designs to reusable react/next code and have demonstrated a track record of successfully analyzing problems, breaking them into small tasks, and creating working solutions using code. less -
Hire cliftonc20
I help businesses automate workflows and save time using AI. I build custom GPT-powered chatbots, document processing tools, and automation systems that reduce manual work and improve efficiency. Whether you need a chatbot for your website, AI-powered data processing, or workflow automation, I can deliver a reliable...I help businesses automate workflows and save time using AI. I build custom GPT-powered chatbots, document processing tools, and automation systems that reduce manual work and improve efficiency. Whether you need a chatbot for your website, AI-powered data processing, or workflow automation, I can deliver a reliable solution quickly. What I can build for you: • AI chatbots (customer support, FAQ, internal tools) • Document Q&A systems (PDF, CSV, knowledge base) • GPT-powered automation workflows (Zapier / Make) • Custom backend APIs using Python and FastAPI Tech stack: Python • OpenAI (GPT-4/5) • FastAPI • Zapier / Make • REST APIs • PostgreSQL Why work with me: • Fast delivery and clear communication • Focus on business results, not just code • Clean, scalable, and production-ready solutions Let’s build something that saves you time and grows your business. less -
Hire katsuoy
I am a Desktop Application Developer specializing in C++, C#, .NET, and Linux-based software development. I build reliable, high-performance desktop applications with clean architecture, efficient code, and user-focused interfaces. My expertise includes developing native Windows applications, cross-platform...I am a Desktop Application Developer specializing in C++, C#, .NET, and Linux-based software development. I build reliable, high-performance desktop applications with clean architecture, efficient code, and user-focused interfaces. My expertise includes developing native Windows applications, cross-platform solutions, system-level software, application optimization, debugging, and integrating APIs, databases, and hardware interfaces. I focus on writing maintainable code and delivering solutions that are stable, scalable, and easy to extend. I enjoy solving complex technical challenges and turning ideas into practical software products. Whether it’s a new application, improving an existing system, or fixing performance and reliability issues, I bring a detail-oriented approach and strong problem-solving mindset to every project. less -
Hire exequiel12ifran
exequiel12ifran exequiel12ifran
$35 USD / hour
Web & Mobile | React, Vue, Shopify, WP, OpenAIArgentinaSenior developer with hands-on experience in building scalable web apps, cross-platform mobile apps, and AI-driven automations. I work with Next.js, React, Angular, Flutter, React Native, and Shopify to deliver clean, maintainable, and high-performance solutions. I specialize in: Web & Frontend: React, Next.js,...Senior developer with hands-on experience in building scalable web apps, cross-platform mobile apps, and AI-driven automations. I work with Next.js, React, Angular, Flutter, React Native, and Shopify to deliver clean, maintainable, and high-performance solutions. I specialize in: Web & Frontend: React, Next.js, Three.js, Angular, TypeScript, Tailwind CSS, Material-UI Mobile & Cross-Platform: Flutter, React Native, offline-first apps, push notifications E-Commerce & CMS: Shopify, headless commerce, WordPress, custom integrations Automation & AI: n8n workflows, OpenAI, LangChain, intelligent pipelines Performance & DevOps: REST/GraphQL APIs, CI/CD, SEO, cloud deployments I focus on building user-centric, future-ready products while optimizing workflows and ensuring smooth, maintainable code. less -
Hire Sjtsresth
Exceeding expectations. Building products that move businesses forward. As I'm a senior software engineer, I led a full-stack software engineering team focused on delivering scalable, high-performance digital products across web, mobile, cloud, AI, and automation platforms. I help startups, growing businesses, and...Exceeding expectations. Building products that move businesses forward. As I'm a senior software engineer, I led a full-stack software engineering team focused on delivering scalable, high-performance digital products across web, mobile, cloud, AI, and automation platforms. I help startups, growing businesses, and product teams design, build, and scale production-ready applications with modern architecture and practical AI integration. With 7+ years of hands-on engineering experience and a broader team with 10+ years delivering digital products, we build software that is scalable, maintainable, secure, and aligned with business outcomes from day one. From architecture and MVP development to deployment and long-term scaling, we focus on turning ideas into reliable products that improve operations, automate workflows, and create better user experiences. What We Deliver AI-powered business automation and workflow systems Custom web applications and SaaS platforms Cross-platform mobile applications Scalable backend systems, APIs, and cloud architecture E-commerce solutions with Shopify, BigCommerce, WooCommerce, and Magento Product optimization, testing, monitoring, and CI/CD UI/UX-focused product development Blockchain and dApp product development AI & Automation Expertise I specialize in applying AI where it creates measurable product value: Intelligent workflow automation LLM-powered assistants and conversational systems Recommendation engines and personalization Predictive analytics and data-driven product features Integration with OpenAI APIs and custom ML services End-to-end AI pipelines from data processing to deployment Core Strengths End-to-end ownership From product planning and system architecture to deployment and scaling. Scalable architecture Built for performance, maintainability, and long-term growth. Business-first engineering Technology choices focused on speed, cost-efficiency, and product outcomes. Reliable execution Clear communication, clean code, and practical delivery. If you need a software engineer that can architect, build, and scale modern digital products — while integrating practical AI capabilities where they create real business value — I'm ready to help. Thanks less
