Hire the best Node.js Developers & Programmers in San Francisco, CA

Check out Node.js Developers & Programmers in San Francisco, CA with the skills you need for your next job.
Clients rate Node.js developers & Programmers
Rating is 4.8 out of 5.
4.8/5
based on 438 client reviews
  • $75 hourly
    A Senior Software Engineer with a strong background in developing innovative APIs and software applications. My expertise lies in JavaScript, TypeScript, Node.js(NestJS/Express.js/Strapi), React, Next.js, Vercel, React Native, Tailwind CSS, HTML5/CSS3, Material UI, AngularJS/Angular, Ruby on Rails, Python/Django, FastAPI, Hubspot, and Restful APIs, among others. I have a proven track record of successfully integrating digital applications with physical devices, focusing on scalability, security, and interoperability. I've worked closely with cross-functional teams to align API development with user requirements and mission objectives. My innovative approach to connectivity challenges has resulted in improved device communication and user experience. I'm skilled in implementing rigorous testing and optimization to ensure API stability and performance. My experience also includes designing and developing desktop applications, incorporating machine learning techniques, and ensuring data security and privacy. I'm proficient in utilizing AWS, Electron, and GitHub Actions for cloud-based services, native desktop environments, and CI/CD. The projects I contributed have received positive feedback for their innovative approach to accessibility and data security.
    vsuc_fltilesrefresh_TrophyIcon Node.js
    FastAPI
    Django
    Ruby on Rails
    RESTful API
    Amazon Web Services
    ExpressJS
    NestJS
    Web Development
    Web Application
    Next.js
    TypeScript
    Java
    Python
    React
  • $60 hourly
    I am a highly skilled and experienced web developer with 8 years of experience in front-end and back-end technologies. With a strong foundation in various programming languages, frameworks, and tools, I excel in building robust, scalable, and user-friendly web applications that meet the unique needs of clients. My expertise lies in leveraging cutting-edge technologies and best practices to deliver high-quality solutions that drive business growth and exceed client expectations. Key Skills: 1. Front-End Development: - Proficient in HTML5, CSS3, and JavaScript for building responsive and interactive user interfaces. - Experience with modern front-end frameworks/libraries such as React.js, Angular, or Vue.js. - Knowledge of UI/UX principles and design patterns to create visually appealing and intuitive web experiences. 2. Back-End Development: - Strong understanding of server-side languages such as Node.js, Python, PHP, or Java. - Experience with back-end frameworks like Express.js, Django, Flask, Laravel, or Spring Boot. - Database management skills, including SQL (e.g., MySQL, PostgreSQL) and NoSQL (e.g., MongoDB) databases. 3. Full-Stack Development: - Ability to work on both front-end and back-end components of web applications. - Proficiency in integrating front-end and back-end systems, RESTful APIs, and microservices architecture. 4. Web Development Tools and Technologies: - Familiarity with version control systems (e.g., Git), package managers (e.g., npm, yarn), and build tools (e.g., Webpack). - Experience with testing frameworks (e.g., Jest, Mocha) and continuous integration/continuous deployment (CI/CD) pipelines. - Knowledge of web performance optimization techniques, browser compatibility issues, and debugging tools. 5. Problem-Solving and Critical Thinking: - Strong problem-solving skills and the ability to analyze complex technical challenges. - Capacity to think critically, identify root causes of issues, and propose effective solutions in a timely manner. 6. Project Management and Collaboration: - Experience working in Agile/Scrum environments and collaborating with cross-functional teams. - Effective communication skills for interacting with stakeholders, gathering requirements, and providing project updates.
    vsuc_fltilesrefresh_TrophyIcon Node.js
    Wix
    Webflow
    Microsoft Power BI
    Zapier
    HubSpot
    Ecommerce
    Shopify
    CSS
    Python
    Web Application
    SQL
    JavaScript
    PHP
    WordPress
  • $35 hourly
    Full Stack developer who worked at Nokia, Goodyear, worked at 2 FinTech startups and created social media apps, similar to Twitter for web developers (Yes 🙃 it does have free "Edit" button.) DM chat, avatars and image uploads in timeline, retweet feature, delete tweet (I use CRUD pattern for API calls.) Worked at 10 start-up companies in Web Development industry (Including lead UI developer at a project for GoodYear Tire Co.) and with skills developed there I decided to take Freelance path for now. Not being attached to a company gives me freedom I need. UI Web Developer proficient in React.js, Node.js, NPM, Babel, WebPack, JavaScript, some PHP. Solid knowledge of MySQL and MongoDB, Node.js, some Python. Primary experience is custom user interface development for large scale applications. Worked for Good Year tire company, DropShip Direct, and few others. Programming, developing new features from scratch, or upgrading or modifying existing code.
    vsuc_fltilesrefresh_TrophyIcon Node.js
    MERN Stack
    Flutter
    Mobile Web
    NodeJS Framework
    Mobile App
    FinTech
    FinTech Consulting
    Web Development
    PHP
    Vue.js
    JavaScript
    MongoDB
    MySQL
    React
  • $45 hourly
    ⭐⭐⭐⭐⭐ Top 1% Developer on Upwork 🏆 🏆 🏆 🏆 🏆 Top 2023 AI Company 1️⃣8️⃣ Years of Experience | Looking for a dedicated, reliable team or a powerhouse developer? Your quest ends here! Welcome to my profile🚀 ⭐Top Rated Plus Upwork Contractor ⭐Spearheading one of the Top AI Companies on Upwork ⭐Partnered with over 50 Upwork clients, successfully executing more than 50 high-quality projects. Leveraging 18 years of experience in web development and 8 years in team leadership, I specialize in crafting seamless, performant interfaces and websites that drive tangible results. Skills I bring to the table🧩: • Mastery in ReactJS, Redux, GraphQL, NextJS, GatsbyJS, VueJS. • Expertise in JavaScript (ES6-ES8), TypeScript. • Proficient in Redux, Redux-Saga. • Experienced in NodeJS, Express, NestJS, NextJS. • Database knowledge: MongoDB, PostgreSQL, MySQL. • Skilled in Scss, Sass, PostCSS, HTML5, CSS3. • Building maintainable design systems with Storybook. • Client-side performance including AMP and PWA apps. • Expertise in Accessibility, 508 Compliance, SEO Optimization. • Cross-browser/cross-platform testing. • Automation QA: Cypress, Puppeteer, Playwright, Jest, Selenium. • Proficient in tooling: Webpack, Git, NPM. Happy Clients Speak📣: "Bernardo and his team bent over backward for this project. The project management and execution were awesome. We will definitely use them again." - Occam Tech "Bernardo is the best front end developer we've worked with. Was a pleasure working with him and will plan on continuing to do so." - Novo "Bernardo has been a pleasure to work with. Will continue to utilize him in future projects when the needs arise." - Cellular Outfitter My Services Include💼: • Dedicated team or a single engineer with a project manager • End-to-end software development • Building robust Design Systems for a consistent UI experience • Automation and manual testing for a bug-free application My Agile Process✅: Understanding your requirements and creating a project roadmap. Weekly sprints, with QA for each feature implemented. Continual Deployment for instant review of changes. Regular updates to keep you in the loop! Ready to unlock the power of AI for your business with a seasoned web architect? Let's talk📞
    vsuc_fltilesrefresh_TrophyIcon Node.js
    Prompt Engineering
    Chatbot
    GPT-4
    Conversational AI
    Bot Development
    Artificial Intelligence
    Shopify
    Stripe
    TypeScript
    Next.js
    React Native
    NestJS
    React
    ChatGPT
  • $80 hourly
    ✅ 5 years of overall programming experience. 💼 Fullstack software engineer in SF-based leading start-up, Tomocredit. 🎓 B.Sc in Computer Science. As a highly experienced Software Engineer, I bring a wealth of knowledge to the table in developing web applications and websites using various programming languages. I am known for my creative problem-solving skills, excellent communication, and effective time management. My areas of expertise include: - Website & Web App Development - Mobile App Development - Backend Development I am proactive and take the initiative in challenging situations, always seeking to improve the end product and bring new ideas to the table. I am eager to discuss your project and demonstrate how I can contribute to your success with my technical expertise and problem-solving abilities. I look forward to discussing your project soon!
    vsuc_fltilesrefresh_TrophyIcon Node.js
    RESTful API
    SQL
    Websockets
    React
    GraphQL
    React Native
    Firebase
    TypeScript
    JavaScript
    MongoDB
  • $120 hourly
    I am a Front-End software engineer with seven years of commercial working experience. Currently, I specialize in cross-platform mobile development. I have a strong knowledge of data structures, algorithms, software engineering practices and software development lifecycle, including coding standards, code reviews, source control management, build processes, testing, and operations. Strong problem-solving skills and are comfortable dealing with ambiguity. I am familiar with most major programming languages, including JavaScript/Typescript, Swift, Objective-C, Python, C, C++, C#, Yaml, and Java. Strong knowledge of JavaScript/Typescript, HTML5, CSS3, Python, UNIX/Linux Technologies: React, React Native, Node.js, StoryBook, Redux, MobX, i18n, Sockets, Electron Tools: VSCode, Xcode, Git, Jira, Slack, Confluence, Atlassian, CircleCi, Fastlane, ESLint, Jest, Webpack
    vsuc_fltilesrefresh_TrophyIcon Node.js
    Redux
    Mobx
    React Native
    SQLite Programming
    React
    GitHub
    API Integration
    iOS
    TypeScript
    Mobile UI Design
    Android
  • $50 hourly
    Background: Hi there, I'm a full-stack data and software engineer with experience in designing and building highly scalable data and web/mobile-based applications. I can own technical responsibilities from setting up backend services. ETL/ELT pipelines, data warehouses/lakes, to building out business applications for analytics, automation, prediction, and beyond. Education: Bachelor of Engineering (BEng) in Computer Engineering at the University of Illinois at Urbana-Champaign (UIUC) Master of Computer Science (MSCS), Computer Science at Harvard Tech Stack: • Programming Languages: Javascript, Typescript, Java, Python, C#, Ruby • Web Development: HTML5, CSS3, React/Vue, Redux/Vuex, Node.js, jQuery, Ruby on Rails • Technologies: Restful API, GCP/AWS, Git, RabbitMQ, Docker, Jenkins, OpenGL, HDFS, Kafka, GraphQL • Database: MySQL, PostgreSQL, MongoDB, Cassandra, Datastore, BigQuery, Snowflake, Redshift: MySQL, PostgreSQL, MongoDB, Cassandra, Datastore, BigQuery, Snowflake, Redshift
    vsuc_fltilesrefresh_TrophyIcon Node.js
    Vue.js
    Mobile App
    Web Application
    CSS
    Low-Code Development
    React
    API Integration
    SQL
    Python
  • $70 hourly
    Hi, I am Ronald and I am web designers/developers based in San Francisco, CA. I focus on making websites that stand out, guide users to perform important actions and most importantly accomplish your goals! For each project I use an individual approach, first establishing your purpose, identifying your unique values and creating a strategy that best fit your needs. OUR EXPERTISE IN: ◾ UX/UI Design ◾ Web Design ◾ Full Stack application ◾ Landing Pages ◾ Responsive website design What to expect when working with me: ✅ High-quality work ✅ Timely deliverables ✅ High availability ✅ Open communication ✅ Work Organization ✅ Attention to details My Portfolio: startercode.dev/upwork Feel free to contact me, and see if I am a good fit!
    vsuc_fltilesrefresh_TrophyIcon Node.js
    API Integration
    MongoDB
    Web Application
    Website Builders & CMS Consultation
    UX Wireframe
    Mongoose
    WordPress Landing Page
    UI Animation
    UX & UI
    WordPress
    HTML
    JavaScript
    Figma
    CSS
  • $40 hourly
    I take initiative on building projects from ideation to production. Communication during a project is a number one priority with me, so you'll never feel left out throughout the whole process. I'm passionate about building software and have demonstrated experience solving problems from both a business and technical standpoint. I'm comfortable working across various technical stacks -- whether your needs are around provisioning cloud resources, working with authentication, 3rd party APIs, and handling data processing and analysis, or building intuitive user interfaces I've encountered it all. Send over a message and let's see what we can create!
    vsuc_fltilesrefresh_TrophyIcon Node.js
    Microsoft Windows PowerShell
    Microsoft Azure
    Python
    RESTful API
    CSS 3
    TypeScript
    React
    HTML
    Web Development
    JavaScript
    Responsive Design
  • $59 hourly
    I'm an engineer with varied experience with a passion for interactive media, simulation and video games. I believe in building on great open-source foundational technology, like the World Wide Web. I have an eye for clean, engaging design and take pride in creating solid and delightful software. I enjoy working closely with clients, rapidly prototyping and iterating towards their goals. Let's take your project to the next level!
    vsuc_fltilesrefresh_TrophyIcon Node.js
    Game Development
    Physics
    Game Design
    Blender
    Linux
    Automated Testing
    Technical Writing
    Software Architecture & Design
    Websockets
    HTML5
    Elixir
    Python
    TypeScript
    JavaScript
  • $80 hourly
    Hi there! I’m a seasoned Full-Stack Software Developer with over 20 years of experience in the tech industry. I specialize in creating robust, scalable, and efficient web applications using modern technologies like React and Amazon Web Services (AWS). My extensive background in both front-end and back-end development allows me to deliver comprehensive solutions that meet my clients' unique needs. What I Offer: Fullstack Development: Expertise in building end-to-end web applications, from designing intuitive frontends to developing powerful backend services. Frontend Excellence: Proficient in React, HTML, CSS, and JavaScript to create responsive and user-friendly interfaces. Backend Mastery: Strong skills in Node.js, Java, and other backend technologies to build scalable and secure server-side applications. Cloud Services: Deep knowledge of AWS services, including EC2, S3, Lambda, RDS, and more, to design and deploy cloud-based solutions. Agile Development: Experience in agile methodologies to ensure efficient project management and timely delivery. Collaboration: Excellent communication skills and a collaborative approach to working closely with clients, designers, and other stakeholders. Key Projects: Oncue: Directed the engineering team to implement Twilio Flex and Dropbox Sign solutions, enhancing customer interaction and streamlining workflows. Healthline Media: Led the development of a new web platform using Node.js and React.js on AWS, improving performance and scalability. Constant Contact: Guided the iOS development team, implemented CI/CD pipelines, and ensured seamless deployment of mobile applications. Skills: Frontend: React, HTML, CSS, JavaScript, TypeScript Backend: Node.js, Java, Spring, SQL, NoSQL Cloud Services: AWS (EC2, S3, Lambda, RDS), GraphQL, Next.js Tools: Git, Docker, Jenkins, Jira, Twilio Methodologies: Agile, Scrum, Continuous Integration/Continuous Deployment (CI/CD) Why Choose Me: I bring a unique blend of technical expertise, project management skills, and a deep commitment to delivering high-quality software solutions. I aim to help you achieve your business objectives by providing reliable, scalable, and user-friendly applications. I am passionate about technology and strive to stay updated with the latest trends and best practices in software development. Let’s work together to bring your ideas to life and drive your projects to success!
    vsuc_fltilesrefresh_TrophyIcon Node.js
    Google Ad Manager
    JavaScript
    HTML
    CSS
    Stripe API
    Twilio
    React
    Relational Database
    Front-End Development
    TypeScript
    SQL
    Amazon Web Services
  • $80 hourly
    I am a result-oriented full-stack software engineer with valid experience in design, development, and testing across mobile, web, protocols and APIs. My journey in the world of development began 2014, and since then, I've immersed myself in various technologies, with a primary focus on JavaScript and PHP and mobile development. Technical Expertise: Front-End: I specialize in crafting seamless and user-friendly front-end experiences using modern JavaScript frameworks like React and Angular. My commitment to writing clean, modular, and scalable code ensures that the applications I build are not just functional but also maintainable. Back-End: On the server side, Node.js is my weapon of choice. I've architected and developed robust back-end systems, leveraging AWS, GCP, Node.js, TypeScript and PHP. Database Design: I possess strong expertise in database design and management, having worked extensively with both SQL (MySQL, PostgreSQL) and NoSQL (MongoDB) databases. My skills extend to optimizing database performance and ensuring data integrity. Mobile Applications: I'm well-versed in the mobile application development using frameworks like ReactNative, SwiftUI and Flutter. I've created and published 5+ applications to apple and google stores so far. Why Work With Me: Passion for Learning: I thrive on keeping up with the latest industry trends and technologies. Continuous learning is not just a professional goal but a personal commitment. Problem-Solving Mindset: I approach challenges with a problem-solving mindset, breaking down complex issues into manageable tasks and delivering effective solutions. Effective Communication: Communication is key to successful projects. I pride myself on my ability to convey technical concepts to both technical and non-technical stakeholders. I'm always excited to explore new opportunities, collaborate on innovative projects, and connect with fellow developers and industry professionals. I'm looking forward to the next exciting chapter in my journey, and I would love for you to be a part of it.
    vsuc_fltilesrefresh_TrophyIcon Node.js
    Laravel
    WordPress
    PHP
    MongoDB
    PostgreSQL
    MySQL
    SQL
    Nuxt.js
    Vue.js
    Next.js
    React
    NestJS
    TypeScript
    JavaScript
  • $80 hourly
    Hi, My name Vadym Bondarenko. I am full-stack JavaScript developer. I have 6 years experience in web development. Last few years I work on full-time base in enterprise telecom project with Belgium customer - bics.com My skills: Languages: JS, TypeScript, SQL, HTML, CSS Frameworks: React(Redux, Reflux, Flux), AngularJS, Angular2, Backbone, ReactNative, Cordova, PhoneGap, Ionic(base), Bootstrap Builders: Webpack, Gulp, Grunt, Bower, Browserify Libraries: JQuery, Lodash, MomentJS Technologies: NodeJS, Canvas, WebSockets, Ajax, JSON, XSLT, SOAP, SocketIO DB’s: MYSQL, PostgresSQL, MongoDB, Redis, Oracle Testing: TDD, Unit-tests, Integration tests, Selenium, Mocha, Jest, Enzyme, Karma, Snapshots VCS: Git, Svn CONVENTIONS: BEM, REST OS: OSX, Ubuntu, Window API experience: Facebook, VKontake, Google maps, Privatbank Services experience: AWS Processes: Agile, Kanban Task tracking: Jira, Redmin Here you can see some of the projects that i've developed: github.com/Danxil/pty/ github.com/Danxil/cr/ Currently I have interest to participate in next projects: - Development isomorphic and single-page application with the ReactJS and Angular2 - Development hybrid, cross-platform application on the React-native, Cordova/Phonegap. - Server-side development with NodeJS Thank you advance for your time and consideration. I look forward to working with you.
    vsuc_fltilesrefresh_TrophyIcon Node.js
    React Native
    Front-End Development
    JavaScript
    AngularJS
    Git
    CSS 3
    React
    HTML5
  • $80 hourly
    Greetings! I'm Jon, a Senior Full Stack Developer based in San Francisco. Over the years, I have played a pivotal role in contributing to high-traffic platforms, optimizing user experiences and writing robust, testable code. After dedicating the last several years to a full-time client, I'm looking for new projects. Here's a snapshot of my expertise: 🌟 FormSwift Experience (August 2016 - February 2024): - Dynamic UI Development: Spearheaded the development of dynamic UIs that significantly increased user engagement on a legal tech platform. - Design Collaboration: Collaborated with designers to maintain a robust Design System, ensuring a cohesive and visually appealing user experience. - Next.js Migration: Led the successful migration of a PHP interface to Next.js, optimizing performance and streamlining development processes. - Testable UI Components: Developed testable UI components using React, RTL, Jest, and Chai-Enzyme, contributing to a more reliable and maintainable codebase. - GraphQL Integration: Integrated GraphQL queries and mutations, enhancing data retrieval efficiency and overall system performance. - Mentorship: Mentored junior engineers, sharing best practices and fostering a collaborative and growth-oriented team environment. - Project Organization: Organized large projects into manageable tasks, improving project efficiency and delivery timelines. - A/B Split-Tests: Engineered A/B split-tests using React and Optimizely Full Stack, leading to data-driven decision-making and improved user experiences. 🚀 AutoLotto Experience (Aug 2015 - Aug 2016): - Node.js Backend Maintenance: Maintained and enhanced a Node.js backend for an iOS application. - Predictive Analytics: Implemented user tracking for predictive analytics using Segment and Mixpanel. - ES6 Proficiency: Increased proficiency in ES6 by leveraging generators and promises within the Koa.js framework. - Transactional Email System: Worked with the Mandril API to build a transactional email system. - Dynamic Landing Pages: Built dynamic landing pages with advanced CSS styling animations. I'm passionate about creating seamless user experiences and I thrive in collaborative, growth-oriented environments. Let's discuss how my skills can contribute to your project's success! 🚀
    vsuc_fltilesrefresh_TrophyIcon Node.js
    Shopify
    Tailwind CSS
    TypeScript
    Sass
    GraphQL
    MongoDB
    Ruby on Rails
    Bootstrap
    WordPress
    CSS
    Mobile App Development
    Redux
    React
    JavaScript
  • $120 hourly
    I'm Melissa Hong, the founder of OMG Code, a tech company specialized in web and app development. I'm honored to be a Top Rated Plus freelancer in Upwork's Customer Advocacy program, boasting a flawless Job Success Rate and holding the prestigious Top Rated Plus Badge. Additionally, I proudly serve as a Wix Community Leader and a Velo Certified Official Wix Legend Partner, bringing extensive experience in front-end and back-end web and mobile design and development. Throughout my career, I have achieved significant milestones. I have earned over $300,000 in earnings, received more than 90 five-star reviews, and successfully completed over 150 jobs, totaling an impressive 4500 hours of work. Recognized by Upwork, I have been named among the "Top 15 Wix Specialists," as well as the "27 Best Javascript Developers," "Top 27 Best Freelance PHP Developers," "Top 8 iPhone App Developers," and "Top 11 Android App Developers" for hire near San Francisco. In addition to these achievements, I have been invited as a speaker for respected organizations such as Wix, Upwork, Women Who Code, and Coding Dojo. Furthermore, I have contributed as an instructor and blogger for Udacity, collaborating closely with Stanford University. Follow your dreams, don't give up, and believe in yourself!
    vsuc_fltilesrefresh_TrophyIcon Node.js
    Flutter
    Web Application
    Python
    PHP
    iOS Development
    WooCommerce
    WordPress
    Wix
    SQL
    Android App Development
    Web Design
    JavaScript
    App Development
    Mobile App
  • $80 hourly
    Are you looking to increase revenue, automate work processes, cut costs, or simplify your business operations through AI integration? Why Choose Me? 🌉 10+ years of experience working for leading Silicon Valley companies like Google, NGINX, F5, Craftable ✨ Top-1% Upwork Freelancer, 'Expert Vetted', I guarantee the strategic allocation of your AI/ML technology investment to deliver superior results for your enterprise. ⏳ 70+ 5-Star Reviews across Upwork and Fiverr (Fiverr Pro, Level 2) What I do: 🛠️ Custom AI Chatbot Implementation 💡 Natural Language Processing & Tailored Model Development 👓 Advanced Computer Vision Solutions 🤖 Custom AI Agents 📊 Predictive Analytics 📈 Personalized Recommendation Systems 🔄 Automation Process Optimization How can we succeed together: 1. Research/Planning (Discovery): Together, we'll craft project ideas that perfectly fit your company, identifying the most impactful uses for AI & ML in your business. 2. Prototyping: By creating initial solutions and Proofs of Concept (PoCs), we'll boost efficiency and return on investment, saving both your money and time. 3. Implementation: I'll provide advanced AI & ML solutions aimed at elevating performance and creating real value, helping you quickly outshine competitors in your industry. 4. Launch: I'll deploy, fine-tune, monitor, and optimize effective solutions for continuous business growth and improvement. 📞 𝐓𝐞𝐥𝐥 𝐦𝐞 𝐚𝐛𝐨𝐮𝐭 𝐩𝐫𝐨𝐛𝐥𝐞𝐦 𝐲𝐨𝐮 𝐡𝐚𝐯𝐢𝐧𝐠 𝐧𝐨𝐰 & 𝐥𝐞𝐭'𝐬 𝐭𝐚𝐥𝐤 I offer a complimentary consultation on your project. Reach out to me, and let's elevate your business with AI. This is what clients have said: “We had an excellent AI bot integrated into our web app, which was delivered promptly and performs superbly. This software engineer gets a perfect score of 10 out of 10!” @Monica, Founder - Klimt Creations “The quality of the work I received was absolutely extraordinary. I genuinely feel like I paid less than what his services are worth. Such incredible talent. Arthur is truly unique and a master at what he does. He posed very important questions and customized the final product to suit my preferences perfectly. A true genius!” @Luka, Founder - Perimeter “Absolutely phenomenal work, I would highly recommend this freelancer. He's been one of the best I've ever hired. Very high quality process and deliverables.” @Damiano, Chief Growth Officer - BrandButterMe ______________________________________________________________________________ Tech Stack: - Generative AI (OpenAI, ChatGPT, API integration, GPT-3 through GPT-4, TensorFlow, PyTorch, LangChain, Open-source LLMs like LLaMA3 , Claude, Falcon LLM) - AI agents (LangChain, Llamaindex, Autogen) - Computer Vision (Keras, TensorFlow, OpenCV) - Comprehensive Data Science & ML Knowledge (Natural Language Processing, Chatbot Development, Amazon Web Services, Model optimization, NLP Model Fine-Tuning) - Savvy in AI Avatars and Voice Interaction (Voice Synthesis, Text-to-Speech, Speech-to-Text, Voice Cloning) - Backend Web Development Skills (Python, FastAPI, Flask, Node.js, Express, Docker, GraphQL, RESTful APIs, FastAPI) - Frontend Web Development Expertise (HTML, CSS, React, Redux, Next.js, ES6, Webpack, JSS, WebSockets, TypeScript)
    vsuc_fltilesrefresh_TrophyIcon Node.js
    Figma
    Web Development
    Webflow
    React
    LangChain
    TensorFlow
    Llama 2
    ChatGPT
    HTML
    JavaScript
    Python
  • $80 hourly
    Ex-Apple & Ex-Google engineer here to help with fullstack development. Primary technologies that I work with are Python/Django, ReactJS, AngularJS, NodeJS, and React Native. Feel free to contact me if I can provide further clarification to questions you might have. I would also like to mention that I work purely in a consulting capacity. I am not seeking fulltime or contract to hire roles (If you are an UpWork Recruiter, please pass on my profile for those types of roles. Thank you!).
    vsuc_fltilesrefresh_TrophyIcon Node.js
    Swift
    React Native
    Android
    Sketch
    JavaScript
    CSS 3
    Django
    AngularJS
    React
    Docker
    Ruby on Rails
  • $100 hourly
    In search of an innovative developer who can streamline your User Experience, optimize your Return on Investment, and fast-track your release objectives? Are you craving transparency in communication and an unwavering commitment to your project's success? The search ends here – I'm your tech ally, ready to embark on this exhilarating journey with you. 🔥 I'm an established Senior Software Engineer, navigating the tech seas with a Master's in Computer Science. 🔥 I'm a CTO of the globally recognized Code & Cakes agency – we bask in the glow of a 5-star rating on Clutch. 🔥 I draw on my experience as a Founding Engineer at a distinguished YC company, which made a successful exit. ✨ I'm a Top-Rated Plus Freelancer, showcasing my dedication through an impressive 4850+ hours of work on UpWork. 📍 With over nine years of experience in web application development, I am an expert at designing and implementing pioneering web solutions. 📍 I’m swift in learning new technologies, ensuring I'm abreast of emerging trends and adhering to the best practices in the industry. 📍 My unwavering reliability and meticulous attention to detail are hallmarks of my professional ethos. Curiosity propels me to constantly ask, "Why?" and "What's the purpose?". This mindset enables me to continuously explore new tech, strategies, and ideas, expanding my tech proficiency. Please find a detailed overview of my extensive tech toolkit below, replete with the latest high-demand skills and technologies: 🔧 Languages: JavaScript, TypeScript, Golang, Rust, Python, Solidity, Bash, Java, C#, HTML5, CSS3, SQL, NoSQL; 🔧 Frontend: ReactJS, NextJS, Vue3, NuxtJS, Angular, Svelte, Tailwind, Mantine, Sass, Web3.js and more; 🔧 Backend: Nodejs, Express, NestJS, Loopback, Django, GraphQL, gRPC, REST API; 🔧 Databases: PostgreSQL, MySQL, Redis, Clickhouse, MongoDB, Firestore, Apache Cassandra; 🔧 Mobile: React Native, Flutter, Android Development, iOS Development; 🔧 Infrastructure: AWS, Azure, Hasura, Heroku, Render, Firebase, GCP, Docker, Kubernetes, LambdaCloud, Terraform, Jenkins, Git, DevOps; 🔧 AI/ML: OpenAI, Stable Diffusion, GPT-3/GPT-4, Dall-E, TensorFlow, PyTorch, Machine Learning, Data Science; 🔧 Blockchain: Ethereum, Solidity, Web3.js, Truffle, Hyperledger, NFTs, DeFi, Cryptocurrency, Bitcoin; 🔧 Cybersecurity: Ethical Hacking, Penetration Testing, Secure Code Review. Keywords: Senior Software Engineer, Full Stack Developer, Mobile Development, Web Development, JavaScript, TypeScript, Python, ReactJS, Angular, Vue3, NodeJS, SQL, NoSQL, DevOps, AWS, GCP, Docker, Kubernetes, TensorFlow, Machine Learning, Blockchain, Ethereum, Cryptocurrency, Cybersecurity. Suppose your project calls for a progressive senior software engineer with comprehensive web development skills who can seamlessly blend into your team, connect with me today. I'm eager to surpass your expectations and deliver the highest quality product.
    vsuc_fltilesrefresh_TrophyIcon Node.js
    React
    Web Development
    GraphQL
    ExpressJS
    AWS Lambda
    MySQL
    Amazon Web Services
    Angular
    TypeScript
    JavaScript
    Business with 1-9 Employees
    PDF Conversion
    PostgreSQL
    LoopBack
  • $65 hourly
    As an experienced web developer with a BS in Computer Science, I have had the pleasure to deliver crucial automation and internal business tools to many clients. Ranging from C Suite directors, to entertainment companies, to emerging startups in various sectors. Specializing in Node.js, React.js, PHP, and MySQL, I am equipped to create RESTful APIs, scalable server architecture with database, as well as the front end integrations to serve as the backbone for any modern web-app. I am a creative problem solver, quick learner, and dedicated worker, I am always comfortable learning new skills and applying my knowledge to new and unique projects. I look forward to working with you.
    vsuc_fltilesrefresh_TrophyIcon Node.js
    Database Administration
    PostgreSQL Programming
    MySQL Programming
    Unix System Administration
    MySQL
    PostgreSQL
    PHP
  • $65 hourly
    I’m a React.js developer that can help you establish an online presence for your business. Together we can create an optimal solution that is catered to your establishment. With that said, I will provide a clear channel of communication from start to finish. Expect quick responses! I build and deploy performant and stunning web applications using React.js and other integrated JS libraries/frameworks. I have an eye for detail, and will make sure that your web application provides a smooth experience on any device. I’m a self-taught web developer as well, though I always welcome learning experiences from anyone. I’ve got 3 years of experience as a web developer. In this time I’ve provided my web development services to both individual clients and larger companies alike, and write a blog for publications online. My expertise is focused primarily around MERN (MongoDB, Express.js, React.js, Node.js). I’m also familiar with various UI libraries, such as MUI and Bit.dev. I have an extensive knowledge of 3rd party packages that can be implemented based on the client’s needs (Redux, Styled Components, ApolloGraphQL, etc). I’m also able to optimize code that is in development and have it ready for production. I can implement bundlers such as Webpack to minify your web application’s code, thus ensuring delivery of a more performative, production-ready product. Is your application in need of state management? I am knowledgeable in various solutions for state management, such as implementing a Redux store or using React’s Context API. I can also request third-party APIs for a wide variety of payloads as needed, such as inventories, user databases, payment processing, even delivery tracking. Needless to say that in this day in age, mobile platforms have become the primary tool for browsing the web. If a responsive web application isn’t what you need, I can also build mobile applications using React Native, that can be run on both Android and iOS platforms. Feel free to get in touch at any time. Thanks for visiting!
    vsuc_fltilesrefresh_TrophyIcon Node.js
    React Native
    SQL
    Web Application
    Web Design
    ExpressJS
    Next.js
    Figma
    HTML5
    API
    CSS 3
    JavaScript
    Front-End Development
    MongoDB
    React
  • $35 hourly
    Seasoned software engineer and web developer with 25 years experience. Extensive experience with LEMP / LAMP (Linux, Nginx/Apache, MySQL, PHP). In recent years slightly more focused on Javascript. Wordpress site building and hosting. Linux skills.
    vsuc_fltilesrefresh_TrophyIcon Node.js
    Linux
    LAMP Stack
    Search Engine Optimization
    Gatsby.js
    WordPress
    MeteorJS
    PHP
    JavaScript
    MySQL
  • $93 hourly
    Are you looking for a top rated software engineer? I'm Cristoval, a seasoned fullstack software engineer and certified Stripe professional developer. My reviews from satisfied clients highlighting my dedication and expertise speak my commitment to help businesses thrive in the world. I can't help everyone but we may be a fit if:🔥 ✨You are struggling to find a quality engineer or developer who communicates every step of the way ✨ Need to integrate payment system seamlessly into your application ✨ Worried about payment PCI compliance, security vulnerabilities or scalability issues Why me? As a full-stack engineer, I bring experience to the table, specializing in software architecture, payment systems, security, and scalability. My certification as a Stripe professional developer and architect proves my deep understanding of the platform, allowing me to customize solutions that meet your specific needs. Whether you're a startup looking to establish application infrastructure or an industry leading enterprise seeking to optimize your existing setup, I'm here to make your journey with software a smooth one. Technology Expertise: ⚡️ HTML, CSS, JavaScript, TypeScript ⚡️ React, Next.js, Node.js, Express.js ⚡️ Website and web application authentication and authorization ⚡️ MongoDB, PostgreSQL ⚡️ Stripe integration, PayPal integrations, Serverless functions, API integration Send me your project requirements and I will get back to you as soon as possible. Hablo español.
    vsuc_fltilesrefresh_TrophyIcon Node.js
    Software Debugging
    Microservice
    GraphQL
    jQuery
    Database Architecture
    MySQL
    API Development
    Database Design
    MongoDB
    React
    Next.js
    PayPal
    Stripe
    JavaScript
  • $50 hourly
    Full-stack engineer living in San Francisco. Engineering background with MS. 10+ years experience in web development. Full stack software engineer specialized in javascript. GrpahQL, Reactjs, AWS and NodeJs. My strong skills: - Languages: CSS, HTML, JavaScript, Typescript, PHP, Python, SQL - Backend: Node.js, Express.js, Nest.js, Socket.io, Django, Flask, Laravel - Frontend: React.js, Next.js, Vue.js, Nuxt.js - CSS Frameworks: Material UI, Ant Design, Semantic UI, BootStrap, TailwindCSS - Databases: MySQL, PostgreSQL, MongoDB, Redis, DynamoDB - Version control: GIT, SVN, Github, BitBucket - AWS: Amplify, EC2, S3, Lambda, Cognito, API Gateway, Cloud Front, AppSync, DynamoDB... - RESTful API, GraphGL - Jest, Cypress, Mocha, Enzyme for unit test
    vsuc_fltilesrefresh_TrophyIcon Node.js
    Search Engine Optimization
    PHP
    Laravel
    GraphQL
    MySQL
    TypeScript
    JavaScript
    AngularJS
    Material UI
    Web Application
    Vue.js
    Git
    Next.js
    React
  • $65 hourly
    Howdy! I am a full stack engineer who loves a difficult challenge to push me to my limits. I love being a software engineer because I learn new things every single day and I'm faced with unique challenges on the regular. But what truly excites me about building new applications is the opportunity for me to be creative and to build something beautiful with my own hands. As part of an interdisciplinary clinical team in my previous career, I learned to exchange expertise in order to provide patients with the best care possible. Now I use these same skills to act as a productive member of a development team; sharing the skills I have and absorbing the skills that I need in order to optimize outcomes. As a student at HackReactor, I obtained hard skills in JavaScript, React, Node.js, express.js, SQL, MongoDB, AWS and much more. As a software engineering mentor at Galvanize, I teach students in the Advanced SWE immersive these skills and other computer science fundamentals.
    vsuc_fltilesrefresh_TrophyIcon Node.js
    Tailwind CSS
    RESTful API
    CSS
    JavaScript
    React
    ExpressJS
    Amazon DynamoDB
    Amazon Web Services
    MongoDB
    Next.js
    SQL
    HTML
    Bootstrap
  • $80 hourly
    I'm a technologist with a knack for sales and customer experience. I can help you build your end-to-end customer journey, from lead generation, email copy, and marketing to building out a solutions playbook. I’m experienced in customer technical support, solutions engineering, sales, and account management. I’ll fully project manage your Go to Market strategies from start to finish.
    vsuc_fltilesrefresh_TrophyIcon Node.js
    Python Script
    GraphQL
    RESTful API
    User Identity Management
    Flask
    CSS
    API
    GitHub
    HTML
    Git
    PostgreSQL
    Python
    Amazon Web Services
    SQL
  • $45 hourly
    Hi there! I’m a Senior Software Engineer with over 10 years of experience in the software development industry. I specialize in designing, developing, and deploying software applications and features. I have a strong background in the software development life cycle (SDLC) and am proficient in writing clean, concise, and efficient code. I have experience managing code documentation and version control, and I’m comfortable working in an agile environment to release software on a regular schedule. I’m passionate about staying up-to-date with the latest technologies and enjoy collaborating with internal teams to architect, build, and test new features. I’m confident that my skills and experience make me a great fit for your project.
    vsuc_fltilesrefresh_TrophyIcon Node.js
    Flutter
    Swift
    React
    Android
    iOS Development
    Architectural Design
    Agile Software Development
    App Development
    Cloud Computing
    React Native
    Java
  • $30 hourly
    🟢 Average Google PageSpeed Performance: 98 Points 🟢 I'm Anastasia, a Full Stack Developer & Web Designer with an emphasis on Performance. 👉 Core Toolkit: TypeScript, Next.js, React, Node.js, Firebase. 👉 Specialization: from Conceptualization to Deployment and ongoing Maintenance. 👉 Niche: Small Business and E-Commerce. ✅ Work Ethics: My goal is for each client to leave with a wide smile, enthusiastically share their experience with friends and family, and firmly consider me their ultimate solution. I prioritize good communication and aim to benefit people by doing what I love the most: giving life to ideas through code.
    vsuc_fltilesrefresh_TrophyIcon Node.js
    Artificial Intelligence
    User Experience Design
    Firebase
    User Interface Design
    Figma
    RESTful API
    Tailwind CSS
    JavaScript
    MongoDB
    TypeScript
    CSS
    HTML
    Next.js
    React
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