Hire the Best CSS3 Developers in Boulder, CO

As an Experienced Full-Stack Developer, I bring a robust and versatile background in modern web and mobile application development. My expertise spans across both frontend and backend technologies, where I have honed my skills in languages like JavaScript, TypeScript, HTML5, and CSS3. I am proficient in leveraging cutting-edge frameworks and libraries such as React.js, React Native, and Angular to create dynamic, responsive user interfaces and mobile applications. My experience with tools like Gatsby and Next.js enables me to build fast, SEO-friendly web applications. On the backend, I have deep knowledge in Node.js, Python, and PHP, along with a strong command of frameworks like Express, Laravel, Django, and Flask, which allows me to design scalable and efficient server-side applications. My proficiency extends to managing complex state within applications using libraries such as Redux, VueX, and Mobx, ensuring optimal performance and maintainability. I am skilled in CSS styling, utilizing advanced techniques and frameworks such as Tailwind, Material UI, and SCSS to create visually appealing and consistent designs. My familiarity with tooling platforms like Webpack, Babel, and Storybook allows for streamlined development processes and enhanced collaboration within teams. In addition to my frontend and backend capabilities, I have substantial experience with CMS integration, working with platforms like WordPress, Drupal, and Shopify to build and manage content-rich websites and e-commerce platforms. My expertise includes headless CMS technologies like Strapi and Contentful, offering flexibility and modern solutions for content management. My development practices are supported by strong DevOps skills, including cloud services like AWS, Azure, and Google Cloud. I am adept in CI/CD pipelines using Jenkins, CircleCI, and GitHub Actions, and I utilize containerization technologies such as Docker and Kubernetes to ensure consistent and scalable deployment across environments. I also possess a solid foundation in database management, working across both SQL (MySQL, PostgreSQL, Oracle) and NoSQL (MongoDB, DynamoDB) systems, ensuring data integrity and optimized performance. Finally, I have a thorough understanding of version control using Git, with extensive experience in collaborative environments using platforms like GitHub, GitLab, and Bitbucket. My ability to manage code repositories and work within distributed teams ensures smooth development workflows and effective project management. Technical Skills: Frontend: ➤ Languages: JavaScript, TypeScript, HTML5, CSS3 ➤ UI Frameworks: React, React Native, Gatsby, Next.js, Angular, Vue2, Vue3 ➤ State Management: Redux, Redux Toolkit, Redux Saga/Thunk, Mobx, VueX, NgRx ➤ CSS Styling: SCSS, LESS, Styled Components, Bootstrap, Tailwind, Material UI, Ant Design ➤ Tooling: Webpack, Babel, Nx, Vite, Storybook ➤ Testing: Jest, Enzyme, React Testing Library, Cypress, Playwright, Selenium Backend: ➤ Languages: Node, PHP, Python, Java, Ruby ➤ Frameworks: Express, Nest, Tsoa, Laravel, Django, Flask, Spring Boot, Ruby on Rails ➤ Testing: Jest, Mocha, Chai, Cucumber ➤ Documentation: Swagger, OpenAPI Database: ➤ SQL: MySQL, PostgreSQL, Oracle, RDS ➤ NoSQL: MongoDB, DynamoDB Cloud & DevOps: ➤ Services: AWS, Azure, GCP, Firebase ➤ CI/CD: Jenkins, CircleCI, GitHub Actions ➤ Containerization: Docker, Kubernetes ➤ Monitoring: Grafana, Splunk, Datadog, New Relic CMS & E-commerce: ➤ Platforms: WordPress, Drupal, Joomla, Shopify, Magento, WooCommerce ➤ Headless CMS: Strapi, Contentful, Sanity, Ghost Version Control: ➤ Git, GitHub, GitLab, Bitbucket

I deliver technology solutions to startups and non-technical founders. I have 25+ years of professional project management and business experience, spread across the finance, hospitality and tech industries, built on a foundation of young leadership accomplishments as a student and continued success throughout a diverse career. I am a former entrepreneur and small business owner myself, with successful exits, and I have significant experience in startup and agency environments.. I know how to navigate complex business requirements and deliver success. I can perform expert level business analysis, problem solving and risk management to improve your project’s outcome. I also have more than 10 years of technical experience in software development and can work in any of the following roles: - Full-Stack Developer - Project Manager, Product Manager - Technical Project Manager - Project Owner, Product Owner - Project Admin, Product Admin - Tech Lead - Solutions Architect - Fractional CTO, Remote CTO - Fractional COO, Remote COO As a Full Stack Developer my experience is focused around JavaScript, Node, HTML, CSS, React, Typescript, UX/UI design, state management, API design and consumption, Databases, MVC Pattern, Micro-services Architecture, AI architecture, Retrieval Augmented Generation (RAG) and more. As a Technical Project Manager I have with experience in both Agile and Waterfall methodologies, as well as scrum and kanban, estimating technical debt, translating client requests into technical tasks, documentation, translating Business Requirements docs into Technical Requirements and Technical Specifications docs, managing cross functional teams, code reviews, dev ops, QA, technical analysis, bug chasing and troubleshooting. I can build MVP or production apps, I can lead teams of developers doing the same, and I can perform various roles across all phases of the software development lifecycle. I am code agnostic and can deliver solutions within any framework. Technologies that I’ve worked with include: - Git - HTML - CSS - Javascript - Typescript React tech stacks for web and mobile development including: - CRA - Vite - Astro, - Gatsby - RemixJS - React Native - Expo CSS frameworks and libraries including: - TailwindCSS - MaterialUI - Bootstrap - Styled Components - TamaGUI Backend frameworks, databases and services including: - NodeJS - ExpressJS - Django - FastAPI - SQL - PostgreSQL - MongoDB - Pinecone - LangChain - Hugging Face Remote workflow and team tools including: - Slack - Zoom - Loom - ClickUp - Clockify - Figma - Jira - Trello - Monday - Notion Other technologies: - Python - C# - Flutter - Swift - Angular - PHP - XML And more, just ask!

To stand out among the many talented freelancers on here, I wanted to share a bit about myself—so I’m not just another anonymous profile behind a screen. I believe it’s important to show some personality and let you know who you’d actually be working with. I’m a highly motivated and successful college student finishing up a degree in the Leeds School of Business (Information Management and Computer Science) at University of Colorado Boulder. However at 23, my main focus been diving deep into data analytics, and over the past few years, I’ve developed a genuine passion for coding—especially using Python, SQL, and excel for data engineering, extraction, automation, and analysis. While my academic background has taught me how businesses function, learning these tools have opened the door to understanding how technical tools power our modern business frameworks. For me I see coding as not just a skill, but one of the highest and most intricate forms of human expression. I think... it's absolutely fascinating. As a Data Analyst I have a general knowledge of the full data analysis pipeline. From extracting, transforming, to full on analysis, I have some type of experience with it. That being said, I’ve started to become proficient in a few key areas and niches. If any of this is what you need, you can be confident that I can get the job done. ---------------------------------------------------------------------------- DATA EXTRACTION Web Scraping: 50+ websites scraped 🔧Tools: Beautiful Soup, Requests, lxml, Selenium, Playwright with sync and async, Trafilatura ✅ Static Sites ✅ Dynamic Sites ✅ Ecommerce Sites ✅ Bypass anti bot protection Pattern-based Extraction: 🔧Tools: re, spaCy, pdfplumber, OCR ✅ Formatting and file conversions ✅ Pull data from unstructured text ✅ Data normalization REST APIs and third-party API’s ✅ Proficient at pulling data from a variety of API’s (for full list see my Data Extraction Profile!) ✅ Handle API keys and client credentials/secrets securely ---------------------------------------------------------------------------- DATA ANALYSIS AND VISUALIZATION Excel Dashboards 🔧Tools: Excel, Pivot Tables, Goal Seek, Data Table, Solver, Remove Duplicates and Outliers, Data Validation Lists ✅ Interactive and scalable dashboards with slicers, charts, and clean formatting ✅ Pivot tables & pivot charts for fast filtering and exploration ✅ Automating calculations with advanced formulas (for full list see my Data Visualization profile!) ✅ Cleaning and transforming messy datasets ✅ Creating templates that are easy to maintain and update Python Visualizations 🔧Tools: Matplotlib, Seaborn, Altair, Streamlit ✅ More advanced visualizations and statistics to reveal insights from data ✅ Interactive charts using Altair ✅ App style dashboards using Streamlit ---------------------------------------------------------------------------- Please check out my specialized profiles for more details on what I can do! I like to be very upfront with what I can offer you. If my skills fit into the scope of your project, let’s connect! I think communication is key so you can expect quick and detailed responses from me. Upwork Keywords: Python-Developer - Data-Analyst - Web-Scraping - Data-Extraction - Data-Automation - Backend-Automation - API-Integration - ETL-Pipeline - Data-Pipeline - SQL-Database - Excel-Dashboard - Data-Cleaning - Data-Parsing - JSON-Processing - Pandas - Playwright - Selenium - BeautifulSoup - Requests-Library - SQLite - PostgreSQL - Webhooks - Flask-Backend - Real-Estate-Data-Extraction - Product-Price-Monitoring - Market-Research-Scraping - Lead-Generation-Scraper - Competitor-Monitoring - Government-Data-Scraper - Automation-Scripts - Web-App-Backend - Data-Aggregation - NoSQL-Data-Analysis - Cloud-Integration - Firestore - E-commerce-Analytics - Finance-Tracking - Budget-Tracking - Environmental-Data - Nonprofit-Reporting - Healthcare-Data-Analysis - Market-Trend-Analysis - Competitive-Pricing-Tools - Python-Scripting - SQL-Queries - Regular-Expressions - API-Requests - OAuth-Authentication - Proxy-Rotation - Headless-Browsing - HTML-Parsing - CSV-to-Excel - DataFrame-Manipulation - Secure-Credential-Handling - Cron-Jobs - Job-Scheduling - GitHub-Projects