Javascript Developers for hire in United States
Showing 159 results
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Hire diektech
Exceed Your Expectation! Let's Do It Together!! We are a team of experienced Mobile App & Web Developers with over 10+ years in delivering high-quality digital solutions. Our expertise spans mobile and web development, backend integration, automated testing, UI/UX design, and performance optimization. We build...Exceed Your Expectation! Let's Do It Together!! We are a team of experienced Mobile App & Web Developers with over 10+ years in delivering high-quality digital solutions. Our expertise spans mobile and web development, backend integration, automated testing, UI/UX design, and performance optimization. We build scalable, secure, and intuitive applications tailored to business needs. Core services: – AI Automation - Custom SaaS platforms – Custom mobile & web app development – E-commerce platform development (Shopify, Bigcommerce, Woocommerce, Magento) – Blockchain dApp development – User-focused UI/UX design – Backend integration & automation – App optimization & performance monitoring – Security, testing & CI/CD pipelines We collaborate closely with clients to turn ideas into impactful products, staying up to date with the latest tech and trends. Whether launching a new product or improving an existing one, we bring the skill and dedication to help your business succeed. We focus on quality, reliability, and building systems that are designed to scale. less -
Hire johnnier3
Hi, I'm Johnnie Reece, a Preferred Freelancer and senior full-stack engineer. For 10+ years I've shipped web, mobile, and emerging tech for startups and Fortune 500 companies, on time and without surprises. What I build: - Pixel-perfect web and mobile apps (React, Next.js, React Native, Flutter) scoring 98-100 on...Hi, I'm Johnnie Reece, a Preferred Freelancer and senior full-stack engineer. For 10+ years I've shipped web, mobile, and emerging tech for startups and Fortune 500 companies, on time and without surprises. What I build: - Pixel-perfect web and mobile apps (React, Next.js, React Native, Flutter) scoring 98-100 on Lighthouse - Secure, scalable backends in Node.js/NestJS, Java/Spring Boot, .NET, and Python - High-performance Shopify and WordPress stores, custom apps, and headless setups - Blockchain dApps, smart contracts, and Web3 integrations - Automation bots, scrapers, and AI workflows - AWS infrastructure with 99.99%+ uptime and auto-scaling How I work: Daily updates, live demos, direct access (no middlemen). I act as your technical partner, flagging risks early and writing clean, documented code built to last. Clients come back because I ship faster, cleaner, and more reliably. Ready to start? Message me. I reply fast and can begin immediately. less -
Hire programmatis
Let’s bypass the part where we pretend you just need a standard "developer." If you wanted a generic template or a massive, slow-moving agency, you’d be on a different page. I operate at the intersection of high-end web architecture and brutal technical honesty. For nearly two decades, I’ve been stepping in as a...Let’s bypass the part where we pretend you just need a standard "developer." If you wanted a generic template or a massive, slow-moving agency, you’d be on a different page. I operate at the intersection of high-end web architecture and brutal technical honesty. For nearly two decades, I’ve been stepping in as a fractional CTO / CIO and elite engineer to rescue projects, build rock-solid digital infrastructure, and design scalable systems that don't break under pressure. No hand-holding required, no outsourced communication delays, and absolutely no fluff. Just bulletproof code and strategic execution. You get a senior partner, not just another ticket-taker. Services: Fractional CTO & Tech Strategy - Stop guessing your tech stack. I align your business goals with scalable architecture, map out development roadmaps, and keep you from burning cash on technical debt. High-End Web Application Engineering - From custom enterprise hubs to sleek progressive web apps (PWAs). I build secure, blazing-fast, digital infrastructure that doesn't buckle under heavy user traffic. Legacy Codebase Rescues - Inherited a digital nightmare from a budget agency? I audit, untangle, and stabilize broken codebases, turning technical liabilities back into business assets. Performance & Speed Optimization - No one waits for slow apps to load. I overhaul rendering paths, optimize databases, and strip away the bloat to maximize your conversion rates and SEO. API Design & System Integration - Connecting your disparate software systems seamlessly. I build secure, bulletproof APIs and integrations that ensure your data flows exactly where it needs to. UX/UI Technical Architecture - Bridging the gap between beautiful design and brilliant engineering. I turn complex user flows and high-end, dark-mode aesthetics into pixel-perfect frontend reality. less -
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 Caution2021
✨✨ Welcome to Marvin's Freelancer Haven!✨✨ I bring a strategic blend of creativity and technical expertise to every project, ensuring a seamless balance between functionality and aesthetics. With a proven track record of delivering high-quality solutions and exceeding client expectations, let's collaborate to turn...✨✨ Welcome to Marvin's Freelancer Haven!✨✨ I bring a strategic blend of creativity and technical expertise to every project, ensuring a seamless balance between functionality and aesthetics. With a proven track record of delivering high-quality solutions and exceeding client expectations, let's collaborate to turn your vision into impactful digital experiences. ✔️ Why Partner with Me? ✔️ Full-Stack Development Expertise (MERN & PHP) ✔️ MERN Stack Specialist MongoDB: Designing scalable, high-performance databases. Express.js: Building secure and robust backend applications. React.js: Crafting dynamic, responsive user interfaces. Node.js: Developing high-speed, server-side applications. ✔️ PHP Development Proficiency Custom PHP Solutions: Tailored to your project needs. Scalable Architecture: Leveraging PHP frameworks for maintainability and efficiency. ✔️ Graphic Design & Branding Excellence I specialize in transforming ideas into visually compelling designs that enhance brand identity and engagement. Through consistent visual storytelling, I help businesses establish a strong and recognizable presence across digital and print platforms. ✔️ Client-Centric Approach Your satisfaction is my priority. I emphasize clear communication, regular updates, and a collaborative workflow to ensure that the final deliverable aligns perfectly with your vision. ✔️ Innovation & Future-Ready Solutions Beyond MERN and PHP, I stay ahead of industry trends, integrating cutting-edge technologies to future-proof your digital projects. Expect modern, scalable, and high-performance solutions tailored to your unique goals. ✔️ Proven Success & Portfolio I have successfully partnered with businesses across various industries, delivering exceptional results in web development, UI/UX design, branding, and e-commerce solutions. Explore my portfolio to see the impact of my work. ✔️ Let's Build Something Exceptional! Transform your digital vision into reality with a reliable, skilled, and results-driven professional. Let's connect and discuss how I can help elevate your brand and business to new heights! less -
Hire codefusion53
I’m Justin, a results-driven AI and Web Developer with a strong background in building intelligent, scalable, and user-focused applications. I specialize in: - AI & Machine Learning – custom models, chatbots, NLP, data automation, and predictive analytics - Web Development – full-stack applications, SaaS platforms,...I’m Justin, a results-driven AI and Web Developer with a strong background in building intelligent, scalable, and user-focused applications. I specialize in: - AI & Machine Learning – custom models, chatbots, NLP, data automation, and predictive analytics - Web Development – full-stack applications, SaaS platforms, e-commerce, and API integrations - Automation – streamlining workflows with AI, APIs, and custom scripts to save time and cut costs My approach is simple: I listen carefully, design smart solutions, and deliver high-quality results on time. Whether you need an AI-powered tool, a modern web platform, or a long-term development partner, I can bring your vision to life. Let’s collaborate to turn your ideas into reliable, high-performing solutions. less -
Hire kareemmaize
Need an AI-powered platform or scalable MVP delivered on time? I specialize in turning complex ideas into secure, high-performance applications — with 10+ years in Full-Stack & AI Engineering. My Expertise: React/Next.js, Node.js/NestJS, Python, .NET, Laravel, Shopify, Wordpress, Squarespace | AI/ML Integration |...Need an AI-powered platform or scalable MVP delivered on time? I specialize in turning complex ideas into secure, high-performance applications — with 10+ years in Full-Stack & AI Engineering. My Expertise: React/Next.js, Node.js/NestJS, Python, .NET, Laravel, Shopify, Wordpress, Squarespace | AI/ML Integration | SaaS Platforms | High-Performance Web Apps What I Deliver: ✅ AI Solutions: Chatbots, recommendation engines, predictive analytics, biometric systems ✅ SaaS & MVP Development: From concept to launch in 4–8 weeks ✅ Full-Stack Apps: FinTech, EdTech, Sports-Betting, Web3 platforms ✅ Custom E-commerce: Shopify/Woocomerce/Squarespace development, migration, optimization ✅ Performance & Security: Clean code, scalable architecture, long-term maintainability Why Clients Choose Me: ✅ Hands-on ownership of complex builds from start to finish ✅ Clear communication with regular updates and transparency ✅ Business-focused approach — I align technical solutions with your goals ✅ Proven track record across 50+ projects with 95% client satisfaction Let’s Build Your Project: I offer a free 30-minute consultation to review your requirements and outline a technical roadmap. Message me with your project details to get started. less -
Hire ChainBotSolution
ChainBotSolution ChainBotSolution
$65 USD / hour
Ranking Among the Top 1% of Software DevelopersUnited StatesWe at Chainbot Solutions Engineer Automated Systems That Keep Your Business Running While You Sleep. Code That Doesn’t Clock Out — Systems That Work Around the Clock.We at Chainbot Solutions Engineer Automated Systems That Keep Your Business Running While You Sleep. Code That Doesn’t Clock Out — Systems That Work Around the Clock. less -
Hire Hubready
A US-based engineering team — in business since 2008, registered in South Florida. Clients bring us in when systems become too complex, too slow, or unreliable — or when an AI idea needs to become a real, production-ready product, not just a prototype. We don't just write code — we build systems that work in the...A US-based engineering team — in business since 2008, registered in South Florida. Clients bring us in when systems become too complex, too slow, or unreliable — or when an AI idea needs to become a real, production-ready product, not just a prototype. We don't just write code — we build systems that work in the real world. We're a senior Full-Stack & AI engineering team with deep experience designing, building, and scaling production-grade software across AI automation, SaaS platforms, data pipelines, and high-volume e-commerce. We bring both an engineering and a business mindset, so what we deliver is technically sound, maintainable, and ROI-driven. ✓ What we do best – AI & Automation • LLM integrations (OpenAI, RAG pipelines, embeddings, copilots) • Intelligent workflow automation and data processing • AI-powered internal tools and dashboards • Zapier, n8n, Selenium, Python, Beautiful Soup • Stock trading algorithms/bots for Schwab, E*TRADE, and more – Backend & Data Engineering • Custom APIs and event-driven architectures • PostgreSQL at scale (partitioning, optimization, analytics) • ETL pipelines across Shopify, Salesforce, ERP, and custom systems • Node.js, Python, TypeScript – Frontend Development & UX • Modern, responsive frontends built for real users • React, Next.js, and component-driven UI architecture • Data-heavy dashboards built for performance • Clean UI/UX that balances usability, speed, and clarity – Mobile App Development • Cross-platform apps for iOS & Android • React Native, Flutter, and modern mobile stacks • Secure API integration and real-time data sync • Built for performance, stability, and growth – Cloud, DevOps & Reliability • Docker / Podman, CI/CD pipelines, secure deployments • Observability, logging, and performance tuning • Systems designed to scale without constant maintenance ✓ How we work • Clear communication and structured milestones • Production-ready code — no shortcuts or fragile builds • Proactive technical guidance when we see risks or better paths • Long-term thinking: solutions that grow with your business Working with a US company since 2008 means accountability, clear English-language communication, and a team that's still here to support what we build. If you need a senior team that can own frontend, backend, data, mobile, and AI end-to-end — and deliver clean, scalable results — let's build it right. Message us with your project and we'll tell you honestly how we'd approach it. less -
Hire thomasb726
thomasb726 thomasb726
$85 USD / hour
💫 Senior Software Engineer | ✅CTO 5+ | SEO ExpertUnited States💫 Hello! I'm Thomas Beigbeder, a Senior Software Engineer and Automation Architect with over 20 years of hands-on experience designing, building, and scaling enterprise-grade systems that drive efficiency and support business growth. My core focus is straightforward: deliver robust, maintainable, and future-proof...💫 Hello! I'm Thomas Beigbeder, a Senior Software Engineer and Automation Architect with over 20 years of hands-on experience designing, building, and scaling enterprise-grade systems that drive efficiency and support business growth. My core focus is straightforward: deliver robust, maintainable, and future-proof software that operates reliably in the background—so you can concentrate on strategy and innovation rather than troubleshooting or technical debt. I've led full-stack development and modernization initiatives across diverse industries, including payroll processing, tax compliance automation, HR systems, and e-commerce platforms. In senior engineering roles at ConnectPay, IHRDC, and Webtrix, I successfully: 👌 Managed Agile teams to deliver high-performance solutions on time and within budget 👌 Modernized legacy systems into cloud-native architectures 👌 Built secure, scalable APIs and automation tools using modern tech stacks I combine deep technical expertise with a practical, business-aligned mindset to create software that's efficient, secure, and directly tied to measurable outcomes. Technical Expertise: ✅ Languages & Core Tech: JavaScript (ES6+), TypeScript, PHP, Python, SQL, HTML5, CSS3, JSON, YAML ✅ Frontend & UX: React.js, Next.js, AngularJS, Vue.js, Bootstrap, Tailwind CSS, Kendo UI, responsive design, UI/UX optimization ✅ Backend & APIs: Node.js, PHP (Laravel, Symfony), Python (Django, Flask), RESTful & GraphQL APIs, SQL/NoSQL databases, AWS cloud services & automation ✅ E-Commerce & Payments: Shopify, WooCommerce, Magento, Stripe & PayPal integrations, automated tax/shipping rules, inventory management, analytics dashboards ✅ No-Code/Low-Code & Tools: WordPress, Webflow, Bubble, AppSheet, Airtable, Zapier workflows, various website & automation builders ✅ Automation & Integrations: API orchestration, CI/CD pipelines (GitHub Actions, Azure DevOps), Microsoft Dynamics, SAP, ADP connectors ✅ Leadership & Processes: Agile/Scrum methodologies, sprint planning, Jira, technical mentorship, cross-functional team coordination Clients and colleagues consistently highlight my reliability, attention to detail, proactive problem-solving, and clear communication. I anticipate issues before they arise and deliver solutions that stand the test of time. If you're looking for a dependable partner to build stable, high-performing systems that scale with your business, let's connect and discuss how I can support your next project. 🚀 less
