Hire the best JavaScript Developers in Miami Beach, FL
Check out JavaScript Developers in Miami Beach, FL with the skills you need for your next job.
- $80 hourly
- 5.0/5
- (16 jobs)
Hi, I'm Valeriia — I design and build sleek, performant web apps using React, Next.js, TypeScript, Node.js, and Tailwind. I’ve delivered powerful solutions for startups and established teams alike. Also a FileMaker 18/19 Certified Developer, I specialize in: - Custom relational databases, web apps - Google & REST API integrations - FileMaker ↔ Web sync (WordPress, custom apps) - Dashboards & data visualization (Tableau, JS libraries) I offer: - Full-stack web & WordPress development - FileMaker consulting & automation - 1-on-1 coaching & tech strategy Portfolio → weblydev.com Let’s build something smart, scalable, and stunning.
JavaScript
Claris FileMakerWeb DevelopmentjQueryFileMaker WebDirectHTMLWooCommerceDatabase DesignWordPressWeb DesignWordPress DevelopmentDatabaseSQLAPI IntegrationTableau - $75 hourly
- 5.0/5
- (1 job)
FileMaker expert. Currently working as Principal Backend Developer. I work a lot with Integrations: JS, PHP, Node, TypeScript, JSON, SQL, Mongo and more... including building database schemas, optimizing solutions, adding new features, making charts and reports. Vibe Coding Expert - Cursor, Windsurf, V0, Bolt, Replit Portfolio: maxpetrusenko.notion.site/Portfolio-e521a73ef4bf41ccaf2e0098edd72c25?pvs=74 You can find my updated profile on LinkedIn or GitHub
JavaScript
Microsoft ExcelTableauDatabase DesignHighchartsChart.jsDatabase ManagementHTMLPythonClaris FileMakerPHPNode.jsSQLCSS - $75 hourly
- 5.0/5
- (75 jobs)
🔹 Top 1% AI & Full Stack React Developer | Expert-Vetted & Top Rated Plus on Upwork I am a technical architect, AI strategist, and automation specialist focused on designing and building high-impact, scalable, and industry-defining AI solutions. As the Founder of multiple AI-driven startups, I develop and implement proprietary AI-powered automation tools that streamline development cycles, optimize code performance, and enhance system efficiency—delivering results at a level that outpaces traditional engineering teams. What sets me apart? I don’t just build AI—I engineer AI-driven automation that enhances development, optimizes workflows, and accelerates execution. 🔹 My Approach & Expertise 🚀 I Focus on End-to-End Solutions, Not Fragmented Tasks I specialize in architecting and leading complex, full-scale AI and automation systems. My expertise is in solving fundamental technical challenges, optimizing architectures, and scaling innovative solutions—not executing minor, predefined tasks. If you're looking for a technical leader to design, develop, and optimize entire AI-driven platforms—whether for automation, predictive systems, or decentralized technology—I can bring a strategic, high-impact approach to your project. 🎯 Strategic, Not Transactional My work extends far beyond just writing code. I focus on: ✅ Building scalable AI architectures that can support real-world business growth. ✅ Developing intelligent automation systems that reduce inefficiencies and operational bottlenecks. ✅ Optimizing performance and security through AI-driven debugging, monitoring, and predictive analytics. 💎 High-Value Commitments Only With multiple AI startups under my leadership, I am selective about the projects I take on. I partner with visionary companies that are serious about pushing AI, automation, and scalability to the next level. My focus is on projects that require deep technical expertise, innovation, and long-term strategic thinking. 🤖 AI-Enhanced Development Efficiency Unlike traditional development teams, I leverage proprietary AI-powered automation tools to: 🚀 Optimize Code & Debugging – My AI-driven systems analyze and refine code, ensuring optimal efficiency and performance. 🚀 Accelerate Repetitive Tasks – AI-powered workflow automation allows me to eliminate inefficiencies and focus on high-value engineering work. 🚀 Proactive System Monitoring – AI-driven predictive analysis helps prevent issues before they arise, reducing technical debt and improving stability. These tools do not replace development—they enhance it, allowing me to build faster, optimize smarter, and scale more effectively than traditional engineering teams. 💰 Hourly Contracts Only Due to the complexity and depth of my work, I do not engage in flat-rate contracts. My time is highly selective and dedicated to high-value projects that demand deep technical expertise and strategic execution. 🛠️ Expertise & Core Technologies 💻 AI & Machine Learning: Custom AI Models, GPT, LLaMA, RAG, PyTorch, Stable Diffusion ⚙️ Full-Stack Development: React, Next.js, React Native, Node.js, Python, Flask 📡 Decentralized & Scalable Systems: Vektaris AI, ICP, Web3, Blockchain Integration ☁️ Cloud & Infrastructure: AWS, Linux, Apache Spark 🚀 Notable Achievements ✔ Founder of Vektaris AI – Built a decentralized AI vector database powering enterprise-grade AI applications. ✔ AI-Powered Automation – Engineered proprietary AI tools that streamline debugging, optimize code, and enhance system performance. ✔ AI-Driven Predictive Systems – Designed intelligent monitoring solutions that detect issues before they impact production. ✔ Startup Leadership – Founded and led multiple AI-driven startups, pushing innovation in AI, blockchain, and automation. 💡 Let’s Build the Future If you’re looking for a technical leader who can architect, develop, and optimize cutting-edge AI-powered solutions, let’s connect. 🚀
JavaScript
MongoDBFirebaseNode.jsChatbot DevelopmentNext.jsReactReact NativeArtificial IntelligenceInformation SecurityLinux System AdministrationPyTorchPythonTensorFlowMachine Learning - $50 hourly
- 5.0/5
- (4 jobs)
I help businesses transform raw data into actionable insights with interactive dashboards, advanced analytics, and automated reporting. With years of experience across multiple industries, I have designed and optimized 39+ dashboards, reducing manual reporting time and enhancing decision-making for C-level executives and teams. 💡 Key Areas of Expertise: ✔ Tableau, Power BI, Google Looker Studio Solutions – From data prep to dashboard creation ✔ Row-Level Security (RLS) & Performance Optimization – Secure, fast, and user-specific reporting ✔ Custom KPIs & Trend Analysis – Automated period-over-period comparisons ✔ Complex SQL & Snowflake Queries – Merging multiple data sources seamlessly ✔ Strategic BI Consulting – Helping businesses move from Excel to dynamic dashboards 🚀 Why Work With Me? I don’t just build dashboards—I help businesses make smarter, faster decisions through clear and compelling data visualizations. My expertise reduces reporting inefficiencies, improves data integrity, and allows teams to focus on strategy rather than manual data crunching. 🔹 Certified Tableau Professional 🔹 Worked with Enterprise, Startups, and Healthcare clients 🔹 Experience with Google Analytics, Salesforce, Power BI, and more 🚀 Let’s discuss how we can bring clarity to your data! Please send me a message to get started.
JavaScript
Microsoft Power BISAP AnalyticsMicrosoft ExcelSAPCSSSQLJavaWixWordPressShopifyPythonHTMLPHP - $50 hourly
- 5.0/5
- (5 jobs)
I specialize in building beautiful Shopify stores for small businesses. 100% money back guarantee. Experience in dev team for mid size tech company. 3 years professional experience coding. Services I provide: - Store setup - Store migration - Store customization: • New pages • Custom coding/JavaScript • Speed optimization • App installation - Shopify support and coaching About me: - I have multiple years experience programming professionally - Specialize entirely on the Shopify platform - Include a 100% money back guarantee; your satisfaction is my top priority - Keep a constant line of communication with you throughout the process - Will train you personally so you are confident using the platform ========== NEXT STEPS ========== Please click the invite/hire button to start a conversation with me. We can discuss your needs to see how I can help you with your project. Look forward to hearing from you!
JavaScript
Shopify AppsWeb ApplicationWeb DevelopmentEcommerceShopify ThemeWebflowShopify TemplatesEcommerce WebsiteHTMLLiquidShopifyCSSWeb Design - $100 hourly
- 5.0/5
- (2 jobs)
Summary: * Full Stack Developer with 7+ years of experience in building and scaling web and mobile applications; * Designed and scaled an e-commerce platform from scratch to 1,200+ active stores; * Master’s and Bachelor’s degrees in Computer Science; * Multiple hackathon winner and active contributor to open-source projects. Services / Focus: - Full Stack Web & Mobile Development: Specializing in TypeScript, Node.js, React, Next.js, and NestJS; - AI & Automation: Building AI-powered agents, chatbots, and automations using OpenAI, Weaviate, and RAG model; - DevOps & Infrastructure & E-commerce Solutions: Managing scalable microservices, end-to-end development of web stores, admin panels, and real-time chatbots with PostgreSQL, Redis, Docker, Nginx, AWS, and CI/CD pipelines. I specialize in building and scaling web and mobile applications, with expertise in e-commerce platforms, AI-powered tools, and chatbots. I create products from scratch, integrating AI solutions for optimized performance and seamless user experiences. With strong backend and frontend skills, I can help quickly turn your ideas into reality or solve complex challenges. Please feel free to reach out — I'm always happy to chat and explore how I can contribute to your project's success. Thank you, Artem
JavaScript
ExpressJSNestJS DevelopmentReactFront-End DevelopmentBack-End DevelopmentNestJSRESTful APIElasticsearchNext.jsMongoDBNode.jsDockerTypeScriptPostgreSQL - $80 hourly
- 5.0/5
- (5 jobs)
Versatile Senior Software Engineer with extensive expertise in building and optimizing user interfaces, enhancing performance, and troubleshooting issues. Proficient in modern technologies including HTML, CSS, JavaScript, ReactJS, AngularJS, Node.js, REST API design, and GraphQL. Recognized for a deep knowledge of UI/UX principles and a collaborative mindset, enabling smooth coordination with teams on complex development projects. Committed to crafting seamless, user-friendly web applications that exceed expectations and meet end-user demands effectively.
JavaScript
Management SkillsTestingstyled-componentsTailwind CSSVue.jsCSS 3HTMLNode.jsAngularJSReactTypeScript - $50 hourly
- 5.0/5
- (0 jobs)
I'm a developer with wide experience in building web-based applications. Moreover, I have developed business solutions on different programming platforms during my programmer's life and I consider myself a suitable person capable of working in any line of business and understanding your vision. My strength is working in the back-end, creating statistics, projections and reports which help in the daily decision-making of any company, organizing your data, performing data analysis and drawing conclusions. - I am a highly skilled SQL developer, optimizing database performance with strong analytical skills to identify and resolve complex queries - I am a strong expertise in designing and implementing robust reporting solutions, deep understanding of SSRS tools and a comprehensive knowledge of SQL Server database systems - I have been developing interactive and visually appealing reports, and dashboards using SSRS. I am proficient in creating complex queries, data visualizations, and dynamic report parameters to provide actionable insights and drive informed decision-making
JavaScript
IT Project ManagementSQL Server Integration ServicesWeb Service FrameworkXML Web ServicesMySQL ProgrammingSQL ProgrammingSQL Server Reporting ServicesJSONHTML5jQueryASP.NET Web APIC# - $25 hourly
- 5.0/5
- (3 jobs)
🚀 Turn Your Website Into a 24/7 Sales Machine! If you’re looking for a high-converting, mobile-friendly website that’s easy to update, fast, and designed to grow your business, you’re in the right place. I specialize in creating powerful, performance-driven websites using WordPress, Webflow, and WooCommerce that not only look good but drive results. But I don’t stop at design — I bring automation into the mix. Using tools like MAKE (Integromat) and custom workflows, I help businesses save time by automating repetitive tasks. From automated lead capture to custom e-commerce workflows, I ensure your business runs like a well-oiled machine. 🔍 Here’s How I Can Help You: 🌐 Custom Web Design & Development: Fully customized, modern websites using WordPress, Webflow, and WooCommerce. 🔥 E-Commerce Solutions: Full setup, payment gateways, and automation for online stores. ⚙️ Automation & Process Streamlining: Eliminate repetitive tasks with smart MAKE workflows, CRM integrations, and API connections. ✍️ Conversion-Driven Copywriting: Clean, clear, and persuasive copy that turns visitors into buyers. 💡 Why Work With Me? ✔️ Problem Solver: Every project is customized to YOUR specific needs. ✔️ Deadline-Driven: No delays, just results. ✔️ Easy Communication: No guesswork, just clear updates. Ready to turn your vision into a live, working website? 💬 Click the 'Invite' button and let's talk!
JavaScript
CopywritingPHPNext.jsReactMake.comBuild AutomationAPI IntegrationWordPress e-CommerceWebflowWordPress Website Design - $15 hourly
- 5.0/5
- (5 jobs)
With over 5 years under my belt, I am the PERFECT translator for your project. I specialize in translating for start-ups to medium size businesses. Whether their purpose is to provide detail product information or even operate a full online store, I have the skills to develop the Spanish online presence your business needs. All work in completed my ME, so you can be assured knowing that your work will not be outsourced to someone else. Good communication and rapport is important to me. It ensures the project is completed to the specific guidelines required. I pride myself in delivering high quality work and I will never complete a project until the client is 100% satisfied.
JavaScript
Project ManagementAngular 2ReactMongoDBNode.jsWordPressHTML5CSS 3 - $15 hourly
- 0.0/5
- (0 jobs)
Software QA Tester | QA Analyst | Software Quality Assurance Analyst ISTQB Foundation Level certified with over 4 years of experience implementing testing strategies throughout the Software Development Life Cycle (SDLC). Proficient in analyzing business requirements, reviewing documentation, designing detailed test cases, executing tests, detecting, reporting, and monitoring defects using tools like Jira in Agile environment (SCRUM), excelling in fast-paced settings, and collaborating closely with cross-functional teams to achieve project milestones and enhance software performance. Knowledge of JavaScript, HTML, CSS, and learning automation testing.
JavaScript
Manual TestingGitHubGitJiraTestRailSQLAPITest Case DesignScrumWebdriverIOCSSHTML Want to browse more freelancers?
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