Hire Javascript freelancers in United States

I have 12+ years of experience as a neuroscientist, data scientist, and software engineer. As a consultant and freelancer, I focus on providing analytical, strategic, and programming expertise to organizations and individuals. What this means in practice is consulting and freelance work involving data science, analytics, and software engineering related to data as well as full-stack web and mobile development. I am an expert in Javascript (ES6, Node, React, etc) for full stack development and for data science Python, R, Julia, and MATLAB. I am an expert in many types of databases including traditional relational databases (my preference is PostgreSQL) as well as document and nosql based databases, graph databases, time series databases, and hybrids. For systems programming, I am very proficient in Rust, C, C++ , and Java. For distributed programming, I am very proficient in cluster design and builds using technology such as Kubernetes, Docker, Mesosphere, CoreOS as well as the associated programming languages used such as Java, Go, and Rust.

I am a mobile and web application designer, developer, with a Bachelor's degree in Computer Engineering and a Master's degree in Digital Media. What tools are in my portfolio? • PHP, Nodejs(express), Python / Django(Django rest framework) Laravel, Shopify, Wordpress • Angular(2-7), React.JS/Redux, Vue.JS, HTML5,CSS3, Jquery • PostgreSQL, MySQL, Mongo, SQLite,Firebase • Javascript, es5/es6,typescript,JSX • React-native,swift,ionic • Github, SVN, Gitlab, BitBucket, Trello, Jira • Ngnix, apache, pm2, docker,Jenkins • AWS, DigitalOcean, Google Cloud Why choose me? • Velocity – Have your projects designed and developed in a timely manner. • Veracity – With detailed and efficient prototyping your project will be exactly what you expected it to. • Value – Delivering industry-standard practice at Ingestion, Integration, Development, and Testing. I create precise, high ROI, custom-built web, and mobile applications. This helps my clients win in their marketplace. I assist Brands by providing design and development and messaging solutions. This reinvigorates stale, non-performing or underperforming Ad campaigns, Websites, Social Media Campaigns, and other online and offline initiatives. I have helped big corporations to increase their Profit and become million-dollar companies by building a variety of tools for them.

• Over 3+ years of hands-on experience in manual and automated testing Front-end, Back-end testing and API testing of Web and Mobile applications. • Strong knowledge of Software Development Lifecycle (SDLC), QA methodologies and strategies • Proficient in functional and non-functional testing, including component, integration, UI, regression system and performance testing • Performed automation testing using Selenium WebDriver, Java, TestNG framework and IntelliJ IDEA • Proficient in Web API testing using Postman, including test automation with JavaScript • Interacted with MySQL Database using SQL queries • Excellent in understanding Business Requirements, Functional and Technical Specifications • Extensive experience in the design and execution of Test Plans, Test Cases and Test Scenarios based on the requirements • Hands-on experience in defects tracking and reporting using Jira • Experienced in working in an Agile and Waterfall environment, ability to work in an intense job environment with multitasking, tight deadlines, distributed onsite and offshore team

I am a graduated software engineer with strong communication and interpersonal skills. I am a full-stack developer with 2 years of experience.

Innovative emerging software developer with a passion for usability engineering and interactive design with related education, practicum, and experience; well-prepared to join a growing team and excel as a Front End Developer. •Proven ability to write clean, testable, high-quality code that works. Proficient with JavaScript, MERN tech stack, building and deploying React and Node.js applications, creating RESTful web services and APIs. •Adept at coding mobile-first, responsive interfaces and dashboards. Skilled at designing and developing harmonious, user-friendly, consistent GUI features and components and coding front-end interactivity. •Demonstrated proficiency working with AWS through successfully passing the AWS Certified Cloud Practitioner exam. •Able to focus on multiple projects concurrently with consummate accuracy, aligning technical specifications with business and user requirements. Aptitude for quickly applying new languages, procedures, and technologies.

John Le Mieux Felton, CA linkedin.com/in/johnl4 >LANGUAGES AND TECHNOLOGIES ● Proficient: JavaScript, React, Python, MySQL, jQuery, Slick, Swiper, HTML5, CSS3, CentOS, Git, VSS ● Exposure: Node.js, Express, Django, Puppeteer, Nutch, Java, Android, Gradle, Bash, Cassandra, Hive, Hadoop >PROFESSIONAL EXPERIENCE Kibo | Senior Implementation Engineer | San Jose, CA Sep 2016 - Apr 2020 ● Supported over 50 eCommerce clients as customer-facing front-end developer utilizing JavaScript, jQuery, JSON, HTML5, and CSS3. ● Captured custom data on 100,000+ users per client in real time in JavaScript, RESTful APIs, jQuery, and JSON to ensure customization of product for each customer. ● Imported offline data in CentOS and Hadoop environments, including additional model and reporting data, improving accuracy of data models by over 10%. ● Customized recommendation requests and rendering using JavaScript, RESTful APIs, jQuery, JSON, HTML5, CSS3, Slick, and Swiper, easing technical burden for 20+ customers. ● Developed custom hosted tag to implement newly acquired personalization product with JavaScript, jQuery, RESTful APIs, Slick, and VSS, implementing product for over 10 customers. ● Engineered tool to take screenshots of every page on website in Node.js and Puppeteer, assisting eCommerce design team build new site for customers. Baynote | Solutions Engineer | San Jose, CA Mar 2011 - Sep 2016 ● Implemented product and content recommendations, social search, and personalization for websites and email for over 150 customers using CentOS, SFTP, XSL, XML, CSV, MySQL, Cassandra, Jira, Nutch, and SOLR. ● Consulted 200 - 300 technical and non-technical customers and internal teams (Support, Customer Success, Sales), writing documentation in Confluence and training customers and internal resources on product use. >EDUCATION Bachelor of Science in Computer Science, San Jose State University Dec 2010 >PROJECT WORK DungeonCrawl | Software Engineer 2019 - Present Online turn-based role playing game based on D&D where players can build standalone adventure modules. ● Developed user authenticatication in JavaScript, React, Node.js, and Express, storing credentials in MongoDB. ● Planned future version to have turn-based game engine to parse JSON modules built in separate level editor to be created using JavaScript, React, and Node.js. Metrics Monitor | Software Engineer 2016 Tool to monitor customer metrics and alert Customer Success team about possible implementation issues. ● Delivered Python scripts to leverage MySQL tables to compare production reporting metrics with historic data . ● Automated email alerts to Customer Success of anomalous metrics in 3+ days instead of 3 months in Python. ● Helped troubleshoot customer implementation issues as they were identified using browser development tools, monitoring/log parsing tools like Kibana, and reading logs. Baynote Android SDK | Software Engineer 2016 SDK to allow customers’ Android apps to more easily leverage Baynote RESTful API for product recommendations. ● Designed reusable and scalable Java code to both capture data and query data models in REST API; acted as consultant for connector with mPOC product. ● Wrote skeletal demo app for testing, which verified all aspects of the API were included and functional utilizing Java, Android Studio, and Gradle. >ACTIVITES Trumpet player and teacher; drum and bugle corps

Software Developer Miracle Messages, San Francisco, CA May 2020 - Current Contract position- developed front end interactive data visualization map Actualized company’s data with a map application utilizing point to point shader animation on web gl. Improved organization’s efficiency by migrating existing data to okta and implemented oauth authentication and user sign in system. Pushed a small team consisting of volunteer interns and peers to delegate tasks and devise release canvas deliverables through 3 agile release cycles. Slashed extraneous work time by 30% by sanitizing the company’s airtable data through a new lightweight node backend api.. Raised user engagement and satisfaction with a newly designed wireframe for the UI. Freelance Developer, Remote August 2018 - Current Recent Clients: R.Randall Painting Contractors - fullstack developer for business website -Designed new UI for a mobile first layout that’s also responsive and accessible -Mocked up and created new logo and wireframes to fit client’s aesthetics -Expanded client’s user options by more than twofold by instituting a custom CMS along with fine-tuned customization and gallery features. -Technology used: Next.js for server side rendered web pages and SEO optimization, Java for lightweight custom rest api, AWS for deployment, cloudinary for cloud storage. Bowl 91 - front end developer for business page -Translated client’s logo and graphics into a simple design system for a new web page using Adobe suite. -Constructed business page using HTML/CSS/Javascript/JQuery and integrated upserve for ordering Peak Fresh Produce -Collaborated with a small graphics team and transformed their designs into a working business webpage. -Bolstered business’s engagement by implementing Google maps street view api, parallax features, and integration with the Untapped api. Aurora’s Apothecary- fullstack end development for business website -Slashed steps to checkout by 40% by restructuring the webstore’s ecommerce system -Engineered new authorization system using Oauth along with Google and Facebook’s auth api to connect with the web store’s -infrastructure. -Overhauled old layout and produced new layout based on the Client’s personal design system blueprint. Technology used: Javascript, Node.js, Express.js, stripe api Head Teppan Chef Nakashima Group, Appleton, WI March 2016-January 2020 -Orchestrated the flow and preparation of all menu ingredients and pieces before service . -Managed back of the house staff in a fast paced high stress environment to sail through services with elegance. -Actively engaged in multilingual interactions and conversations with guests to foster good client relationships. -Prepared Japanese cuisine using a variety of techniques under strict time limits while performing execution-heavy entertainment in between.

I have work experience with JavaScript, Java, Ruby, TypeScript languages, as well as AngularJS, MeteorJS, React, Ruby on Rails and NodeJS frameworks. I also studied C/C++ and Python in college. At my most recent job at Anti-Defamation League (ADL), I worked as an Associate Software Developer. While there, I developed applications in Ruby on Rails with SQL database, React JS, and Salesforce. Prior to ADL, I worked at Altru as an Associate Software Engineer developing full stack features with AngularJS frontend, Ruby on Rails backend, and PostGRESQL database. At the internships, prior to my graduation, I worked with React Native, MeteorJS with MongoDB, AngularJS with NodeJS backend, and Selenium QA testing tools.

I recently graduated with my Bachelors Degree in Web Design and Development with an emphasis in Web and App Development. I was an intern for the I-ETC Conference at UVU, where I designed and implemented web pages for the conference. I have worked with HTML, CSS, and JavaScript for the past 3 years. I have built single page websites using Node, MongoDB, REST API, GraphQL, WordPress, Heroku and Vue. I have collaborated on projects using GitHub. I am learning new skills to improve my talent stack.

Talented Computer Technologist and Level II Process Engineer Tech with BS degree in CS and recently completed Full Stack Developer professional certificate from UNC Bootcamp. Productive in both team-based and self-managed projects, dedicated to maintaining up-to-date industry knowledge and IT skills. Interested in Frond End and Full Stack Developer role. T​ECHNICAL​ S​KILLS Node.Js, Express, JavaScript, jQuery, React.js, GIT, GitHub, MongoDB, MySQL, Handlebars, HTML5, CSS3, Bootstrap, Materialize, APIs, Heroku, AJAX, Restful API, ES6+, ES5, React Hooks, JSON, Sequelize ORM, SAAS, JWT, asp.net, C#, j2ee, Java Sever Faces, Java Server Pages, Hibernation, SQL Server, Heroku E​DUCATION BC(CS) – Mohammad Ali Jinnah University ​, Islamabad, Pakistan | 2015 Full Stack Developer Certificate – University of North Carolina​, Chapel Hill, NC | 2020
 P​ROJECTS Healthcare Pro Demo https://project3-healthcarepro.herokuapp.com/ | GitHub https://github.com/asadrauf/project3 This is a MERN Stack Role Based Access Control Application Role: Secure role-based healthcare application. Based on your personal role and needs, you can log in as a doctor or as a patient. Doctors can see stats related to their patients, assign new patients, and perform a number of other tasks related to their patients. Patients can set up appointments, see information related to their visits, and connect with their doctors in many other ways Utilized: React, Redux, NodeJS, Material UI, MongoDB, Express, and Postman API for Testing Quest for Net Github https://github.com/asadrauf/project2 | GitHub https://github.com/asadrauf/project3 Demo https://vast-headland-47194.herokuapp.com/ Quest for the Net is an application that let users to create a game and add player to their Role: Quest for the Net is an application that let user to create a game based on the location they want. Also user can add create a team based on the player from NBA they like most Utilized: MySQL, NodeJs, Express, Handlebars, Javascript, Heroku, Bootstrap, SASS. EventHubb Github https://github.com/asadrauf/Team3 Demo https://karna1014.github.io/Team3/ Asad Rauf, Page 2  In this world of busyness, shortcuts are the way to go. Our App is one of those shortcuts! It will help plan your day off, weekend, or vacation. Role: This application will allow you enter your interests and a city and it will return all the ticketed events from your search. It will save your previous search history and allow you to re-search them at will. Utilized: JavaScript, Materialize, Ticket Master API, Bootstrap, MapQuest API, LoDash API, jQuery, HTML and CSS E​XPERIENCE Cree INC, Level II Process Engineering Tech ​Durham, NC 07/2017 – Current Power and RF epi manufacturing supervision and to make sure the reactors are setup with the desire recipes. Minimize the downtime and facilitate seniors’ engineers in problems solving and analyzing. Developed and provided support to fabrication processes and improved all existing processes. Analyzed all processes and identified all fundamental issues and assisted in appropriate resolutions. Performed routine equipment maintenance to prevent downtime. Analyzed all process data with various statistical tools and software’s Used SQL and JMP to analyze the data and yield for individual Reactors Transenterix INC, Associate Engineer ​Morrisville, NC 02/2017 – 07/2017 Testing of Surgical Robotic Devices for reliability and stability Test Documentation of Surgical Robotic Devices using Good Documentation Practices Documentation to evaluate device design regarding design issues in testing phase Documentation of Technical and Instruction Manuals Perform manual and auto testing of code (selenium). Three Star Enterprises, Assistant Software Engineer, ​Dubai 02/2015 – 01/2016 As a part of Software Development Team. I was responsible for development Report Writing (Software Requirement Specification) Analyzing of Functional and Non-Functional Requirements Creating a Database using SQL server Creating and Modifying ERD and Sequence Diagrams in updating phase of database. Fincon Information Technology, Intern Software Engineer, ​Dubai 01/2014 – 02/2015 Was responsible for Analysis and Design activities and has work on all aspect of product life cycle I was assigned on projects and implementation of process flows, using Microsoft .Net Framework 2.0, 3.0, 3.5 and 4.0, MS SQL Server 2005 and 2008, and MS project Report writing using standards of software requirement document that were based on Agile Methodology and Scrum Model

• Designing, maintaining and developing Website. • Increasing website's Search Engine Optimization (SEO) and marketing (SEM). • Monitoring Web traffic, performance and capacity. • To create layout and integrate graphics for the website. • To Write web design programs in variety of languages like HTML or JavaScript. • Design, build, or maintain web sites, using authoring or scripting languages, content creation tools, management tools, and digital media. • Perform web site tests according to planned schedules, or after any web site or product revisions. • Evaluate code to ensure that it is valid, is properly structured, meets industry standards and is compatible with browsers, devices, or operating systems.

I am a self taught frontend developer with experience building sites from scratch using Adobe XD for making the design and React.js for the Front End. I am currently looking for a Junior position where I can gain some hands on experience in a solid company. My goal is to grow within the company and be an asset to the team by quickly adapting and learning with little supervision. If you have any questions please let me know and I will be glad to be of assistance. Thank you for your consideration

I am eager to apply for this role. With a Bachelor’s degree in Mathematics, training in Software Engineering from DigitalCrafts and my hands-on experience using Python, JavaScript, Node.Js and React, I am confident in my abilities to develop and implement software applications. I enjoy being challenged with projects that require me to work outside my comfort zone and current knowledge set as continuing to learn new languages and development techniques are important to me. Your listed requirements closely match my background and skills. I would like to highlight a few key requirements that I align with strongly: •I am skilled in designing, testing, and developing software. •I have a thorough understanding of data structures and algorithms •I am knowledgeable of back-end development best practices •I have hands-on software troubleshooting experience •Lastly, I have a proven track record of proper documentation for future maintenance and upgrades.

A former digital producer with an extensive editorial background. Now a certified full-stack web developer experienced in building applications from scratch to deployment, and freelancing to help businesses construct websites. Passionate about React.js, effective at combining creativity and problem solving to develop user-friendly applications. Known among staff as a positive self-starter with excellent abilities multitasking and attention to detail.

20 plus years programming websites. Also have a large background fixing PC Computers.

Web developer with 5+ years of experience creating web sites and single web page sites for clients using HTML, CSS, and JavaScript. I also have programed in Asp.Net using both C# and VB .net and MS SQL Server to support data-driven applications for websites.

Computer engineer with professionalism and attention to detail. Bachelor of Engineering Degree in Computer Engineering and experience with software and circuit design and development. Knowledge of JavaScript and Node.js as well as Python, Django framework, C and C++.

I'm a FrontEnd Web Developer based in the US with skills in HTML, CSS, JavaScript, Sass, React, Git, GitHub, jQuery and more. Having returned to the US after six years living in Shanghai, China, I've worked a large variety of jobs, including English Teaching, managed an improv training center, corporate training, and worked for several top Tech Start-ups. I speak Mandarin Chinese and Turkish fluently, though I am a native English speaker. I am relatively new to Tech but have an impressive resume and am ready to learn anything! See more at https://zachdanz.codes

Hi, My name is Jesus Bohorquez, I am a frontend Web Developer with knowledge on JS, SASS, CSS, VUE.JS, Google Firebase, and node.js. I also have experience as language teacher, teaching English & Spanish to Teens and adults.

I am a web developer based in New York. I have designed, developed, and maintained 25+ active websites for small businesses ranging from restaurant franchises to marketing consultants & branding agencies. Having worked in the online ordering business, I have also been responsible for front-end mobile app design for restaurants and e-commerce clients.

I have worked with clients both domestically in the United States and internationally during my time spent living in Manchester, England, engaging with a European market. Throughout my career I have collaborated with a wide array of teams to create and develop products, campaigns, assets, and websites that best fit within the scope of each project I have been a part of. My knowledge of industry specific software such as Adobe Creative Cloud, WordPress, and Figma is advanced proficient as well as my knowledge of front-end frameworks such as Bootstrap in addition to HTML, CSS, and JavaScript.

Over 5 years of web design experience making unique web experiences with a highly responsive design. I combine my other skills in graphic design and visual storytelling to create compelling interactive sites that engage customers.

A determined, highly motivated young professional whose career objective is to excel and grow within the ecosphere of website development. By utilizing past work experience and expanding on new skills, the trajectory of work-place success will be brought to fruition by learning new abilities, development languages, and technologies that will facilitate a robust career pathway.

Example Features Built: • Dynamic provider filter for care seekers (similar to Amazon.com product filter) • Email service through implementation of 3rd party API, SendGrid • Implemented role based routing and permission based access to various components • Component that implements tree-type data structure with recursive functions • Admin dashboard for real time tracking of company key performance indicators utilizing chart.js • Configured a complex sorting algorithm with advanced dynamic subqueries in SQL • Integration and routing of new users with seamless register and login process • Created a dynamic appointment scheduling algorithm and API • Developed location API to dynamically filter care providers and jobs by zip code

I'm a Full-Stack Web Developer. I really enjoy solving complex problems. My focus is always on Web Development. Also i love web design. I am self-motivated and hard worker person. I always think that i can do better and better. I never stop learning new skills. I truly believe i can bring a lot to the table. Also i have 4+ years of experience in Software QA as a Tester. This knowledge helps me in Web development. I truly believe that i can bring a lot to the table.

Demonstrated history of working in the tech, entertainment and financial services industry. Skilled in several programming languages, creative software, and multimedia. Received a Bachelor of Arts (B.A.) focused in Computer Graphics from The Ohio State University College of Arts and Sciences.

I am a multidisciplinary Software Engineer and Visual Designer who loves designing vibrant websites and applications. As a lifelong learner and passionate tech-enthusiast, I am constantly searching for new trends in the industry in order to create cutting edge products. I seek the opportunity to leverage my creative and analytical skills to create great products with real users in mind.

I am a creative and innovative Software Engineer who has spent the last year teaching Full-Stack development to over 100 students as well as writing production level code for the New York City Department of Parks and Recreation. As both a teacher and a Web Development consultant, I have an innate ability to break down complex code into intuitive, interactive solutions that support a diverse set of stakeholders. I seek the opportunity to utilize my talents as both an engineer and an educator to advance companies' development needs and train the next generation of Software Engineers.

Hello.   My name is Peter and I am a Full Stack Designer (Web Design, UI/UX Design & Front End Dev) with several years of experience who loves to create innovative, creative and fun solutions, designs and user experiences.  My technical knowledge, background in Psychology and love for storytelling and design are key to turning out effective, easy to use, intuitive, functional, elegant and fun online experiences for various industries and users.   Please visit my site for samples of my work (http://www.peterkeras.com).

I'm Erickson Fruelda, most of the people call me eric or ric. I'm a web developer/designer. I've been in the industry for more than 5 years, working in a company or freelancing. I love what i'm doing, it brings out my creative side. I am passionate in everything that i do and i always give it a 100%. I love playing guitar and singing in karaoke, i listen to different genres of music but i'm most into rock and roll music especially all the classics from the 70's 80's 90's and 00's. I love to play basketball and do outdoors activities such as mountain biking and hiking. I'm also a loving husband and a father to my very adorable and cute daughter, and last and not the least, i love to drink beer and hangout with my buddies.