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    281 ecmascript trabajados encontrados, precios en USD

    A react...to completion with projects that are technologically sound and aesthetically impressive. Technical skills: ● Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model. ● Thorough understanding of React Native and its core principles ● Prior experience with popular React workflows (such as Flux or Redux) ● Familiarity with more current specifications of ECMAScript ● Familiarity with RESTful APIs ● Familiarity with HTML / CSS ● GIT experience is a plus. ● Knowledge of modern authorization mechanisms, such as JSON Web Token ● Familiarity with modern front-end build pipelines and tools ● Ability to understand business requirements and translate them into technical requirements. ● Familiarity with code versioning tools

    $736 - $920
    $736 - $920
    0 ofertas

    ...efficiently - Take full responsibility for task/project execution - Ability to prioritize own work and respect deadlines - Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model - Thorough understanding of React.js and its core principles - Prior experience with popular React.js workflows (such as Flux or Redux) - Familiarity with more current specifications of EcmaScript - Prior experience with data structure libraries (e.g., ) - Knowledge of isomorphic React is a plus - Familiarity with RESTful APIs - Familiarity with HTML / CSS - GIT experience is a plus - Knowledge of modern authorization mechanisms, such as JSON Web Token - Familiarity with modern front-end build pipelines and tools - Experience with common front-end development tools su...

    $19 / hr (Avg Bid)
    $19 / hr Oferta promedio
    63 ofertas

    ...Create and maintain software applications in frontend and backend environments. BACKEND SKILLS: Use of PHP through the framework Symfony (version 4+). Clear understanding of the MVC pattern and Object-Oriented programming. Creation of API Restful services with JSON. Use of GIT as a version control system. FRONTEND SKILLS Experience with the implementation of client-side technologies like AJAX, ECMAScript 6, JSX, HTML, Jquery and SCSS. Knowledge implementing frontend frameworks like REACT and JQuery. SYSTEMS ADMINISTRATION Use and configuration of Apache server environments. Knowledge using Linux systems and the command line interface. Configuration and maintenance of Centos Web Panel. Use of communication protocols like SSH and FTP. Administration and maintenance of postgres d...

    $22 / hr (Avg Bid)
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    ...and the JavaScript object model # Thorough understanding of React.js and its core principles # Experience with PWA (Progressive Web App), SPA (single page app) implementation, responsive web design implementation, microservices, and API based flexible backend construction # Experience with popular React.js workflows (such as Flux or Redux) #Familiarity with newer specifications of EcmaScript # Experience with data structure libraries (e.g., ) # Knowledge of React Native is a plus # Familiarity with RESTful APIs # Experience building features like Personalization, Complex user mgmt. and security requirements, Secure document mgmt. (upload, download, permissioning, Online collaboration tools, Alerts, notifications, Chatbot / live chat/video chat integration

    $315 (Avg Bid)
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    4 ofertas

    BRG LLC, is looking for a software developer to create a parsing script to create a usable file with the data. Qualifications • Prior successful completion of 835 parsing and data analysis • Mapping from various file formats (X12, X12 HIPAA, XML, Flat File Positional, CSV, NCPDP) • Comprehensive ...Positional, CSV, NCPDP) • Comprehensive understanding of HIPAA transaction sets • A strong understanding of EDI programming practices, standards and conventions. Technical skills • Experience with EDI document standards for Healthcare Transaction Sets 270/271, 276/277, 834, 835, 837, etc. • Certified / familiar in one or more of the following programming/scripting languages: JavaScript/ECMAScript, PHP, Python, Ruby, Groovy, Perl, Lua, Bash...

    $38 / hr (Avg Bid)
    Acuerdo de Confidencialidad
    $38 / hr Oferta promedio
    13 ofertas

    ...working as a React.js Developer. 3) In-depth knowledge of JavaScript, CSS, HTML, and front-end languages. 4) Knowledge of REACT tools including Webpack, Enzyme, Babel, Redux, and Flux. 5) Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model 6) Knowledge of modern authorization mechanisms, such as JSON Web Token 7) Familiarity with newer specifications of EcmaScript 8) Knowledge of performance testing frameworks including Mocha and Jest 9) Excellent troubleshooting skills. Thank You...

    $788 (Avg Bid)
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    ...responsibilities here Required Skills & Qualifications Deep understanding of React.js and its fundamentals, ideally including modern features like hooks Excellent understanding of Javascript including the OOP concept and how shadow DOM and DOM work Experience with widely used React.js state managers like Flux, Redux, Thunks or Sagas (if known which are used, specify) Knowing modern ECMAScript (currently ECMAScript 8) Experience with data structure libraries like Knowledge of RESTful APIs Understanding isomorphic React (optional, if applicable for your team) Know how to implement authorisation with mechanisms like OAuth, JSON Web Token (specify if known which mechanism is used by your project) Familiarity with modern front-end build pipelines and tools like Webpack, Ba...

    $661 (Avg Bid)
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    I am working on a partially completed programming reference website: I wish to embed 100 short (30s?) YouTube videos into the website, on the following topics: -development environments -HTML -BootStrap -CSS -Cordova -SEO -ECMAScript -HTML DOM -JQUERY -advanced Web APIs -other JavaScript extensions and tools -SVG -Canvas -WebGL Examples include: - How to setup an IIS server with PHP support: - How to embed a Google Map: - How to embed a Facebook plugin: I will show the full list of 100 topics later. The instructions have generally been supplied on the website. If not, you will need to Google

    $56 (Avg Bid)
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    ...interactive code boxes, because they will be generated automatically for you by the PHP compiler (script to be given to you later). Ideally, bidders for this project should have some very basic understanding of HTML and CSS. I will hire four freelancers for this project: Freelancer A: -HTML (the front part already done) -BootStrap -CSS -Cordova Freelancer B: -SVG -Canvas -WebGL Freelancer C: -ECMAScript -HTML DOM -SEO Freelancer D: -JQUERY -advanced Web APIs -other JavaScript extensions and tools As you bid, please tell me your order of choices (eg. CBAD), starting with your most preferred choice. Do update me with your work early to ensure you are on the right track. You should bid on your first choice, but if possible please also tell me your bids for the three other choi...

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    6 ofertas

    We are looking for a senior frontend developer for a long term collaboration. if you can't do full-time work, please don't apply to this job. The most important thing is to pass the test. - Required skills: React.js, Vue.js, TypeScript, ECMAScript, Material UI, HTML, CSS, JavaScript. - Sign NDA - Test Task

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    ...Create and maintain software applications in frontend and backend environments. BACKEND SKILLS: Use of PHP through the framework Symfony (version 4+). Clear understanding of the MVC pattern and Object-Oriented programming. Creation of API Restful services with JSON. Use of GIT as a version control system. FRONTEND SKILLS Experience with the implementation of client-side technologies like AJAX, ECMAScript 6, JSX, HTML, Jquery and SCSS. Knowledge implementing frontend frameworks like REACT and JQuery. SYSTEMS ADMINISTRATION Use and configuration of Apache server environments. Knowledge using Linux systems and the command line interface. Configuration and maintenance of Centos Web Panel. Use of communication protocols like SSH and FTP. Administration and maintenance of postgres d...

    $31 / hr (Avg Bid)
    Destacado Acuerdo de Confidencialidad
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    59 ofertas

    ...high-quality code - Optimizing components for maximum performance across a vast array of web-capable devices and browsers Skills - Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model - Thorough understanding of React.js and its core principles - Experience with popular React.js workflows (such as Flux or Redux) - Familiarity with newer specifications of EcmaScript - Experience with data structure libraries (e.g., ) - Knowledge of isomorphic React is a plus - Familiarity with RESTful APIs - Knowledge of modern authorization mechanisms, such as JSON Web Token - Familiarity with modern front-end build pipelines and tools - Experience with common front-end development tools such as Babel, Webpack, NPM, etc. - Ability to understand business re...

    $2347 (Avg Bid)
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    ...for maximum performance across a vast array of web-capable devices and browsers {{Add other relevant responsibilities here}} Skills Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model Thorough understanding of React.js and its core principles Experience with popular React.js workflows (such as Redux, Saga) Familiarity with newer specifications of EcmaScript Experience with data structure libraries (e.g., ) Knowledge of isomorphic React is a plus Familiarity with RESTful APIs Knowledge of modern authorization mechanisms, such as JSON Web Token Familiarity with modern front-end build pipelines and tools Experience with common front-end development tools such as Babel, Webpack, NPM, etc. Ability to understand business requirements

    $15 - $25 / hr
    Sellado Acuerdo de Confidencialidad
    $15 - $25 / hr
    7 ofertas
    React developer Finalizado left

    I'm looking for React JS developer. Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model. -Experience with data structure libraries (e.g., ) -Knowledge of isomorphic React is a plus, React Hooks - Familiarity with newer specifications of EcmaScript -Knowledge of modern authorization mechanisms, such as JSON Web Token - Be able to take high-level UI design ideas and converting them to mockups. - Familiarity with modern front-end build pipelines and tools

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    I am looking for a senior frontend developer. Skills: React.js, Vue.js, HTML, CSS, JavaScript, TypeScript, ECMAScript Let's chat.

    $12 / hr (Avg Bid)
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    24 ofertas

    ...for maximum performance across a vast array of web-capable devices and browsers {{Add other relevant responsibilities here}} Skills Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model Thorough understanding of React.js and its core principles Experience with popular React.js workflows (such as Redux, Saga) Familiarity with newer specifications of EcmaScript Experience with data structure libraries (e.g., ) Knowledge of isomorphic React is a plus Familiarity with RESTful APIs Knowledge of modern authorization mechanisms, such as JSON Web Token Familiarity with modern front-end build pipelines and tools Experience with common front-end development tools such as Babel, Webpack, NPM, etc. Ability to understand business requirements

    $15 - $25 / hr
    Sellado Acuerdo de Confidencialidad
    $15 - $25 / hr
    12 ofertas

    ...monitoring. Perform analysis of requirements working with the Product Owner and collaborate with other members in the team in order to translate requirements into shippable implementation. Work independently executing technical assignments. Make independent decisions and take action within established practices and procedures. Team player. At least 5+ years of experience in Node.js / TypeScript / ECMAScript/Python - must Experience building microservices / Restful APIs - must Excellent problem-solving skills and ability to analyze and infer requirements, working in an Agile team development environment. Experience working on GCP / K8s. Experience working with relational / NoSQL databases. Experience with Git, Docker, and CI/CD. Experience in TDD - an advantage About Octopol Fo...

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    ...the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product is important. Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model Thorough understanding of React.js and its core principles Experience with popular React.js workflows (such as Flux or Redux) Familiarity with newer specifications of EcmaScript Experience with data structure libraries (e.g., ) Knowledge of isomorphic React is a plus Familiarity with RESTful APIs Knowledge of modern authorization mechanisms, such as JSON Web Token Familiarity with modern front-end build pipelines and tools Experience with common front-end development tools such as Babel, Webpack, NPM, etc. Ability to understand business requireme...

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    Create a online course with translation in Spanish and English (i can help u with the Spanish translation Review) i will provide you the style guidelines and topics about it Deadline: 3 weeks

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    Hello, Freelancers Happy new year! I am looking for a reliable individual frontend developer for a long term collaboration. Note: - If you are not able to willing to do a...Note: - If you are not able to willing to do a short test task, please don't waste your time. it's non-payable. I don't need the source code. you can share it via teamviewer or anydesk. I need to check your skill and experience. - If you don't have linkedin profile and are not available for VIDEO call and NDA sign, please don't apply to this job. Required skills React.js, Vue.js, TypeScript, ECMAScript, JavaScript, CSS, HTML, BootStrap, Material UI Looking forward to chat with the best candidate. Please write down "read description" at the top of the proposal. If not, I ...

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    Full Stack Developer Finalizado left

    ...designed and built for speed and scalability Design and construction of our REST API Integrating our front-end UI with the constructed API Design and implementation of continuous integration and deployment {{ Add any other relevant responsibilities here }} Skills At least three years’ experience with: Writing HTML, CSS, and JavaScript. Being up on latest practices is a must, e.g., HTML5, CSS3, and ECMAScript 6 (minimum) A relevant back-end programming language {{ e.g., PHP, Python, Ruby or JavaScript }} Database design and management, including being up on the latest practices and associated versions Server management and deployment for the relevant environment Familiarity with a relevant and globally supported framework—both front-end and back-end, if necessary&mdash...

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    Hello, Freelancers Happy new year! I am looking for a reliable individual frontend developer for a long term collaboration. Note: If you don't have linkedin profile and are not available for VIDEO call and NDA sign, please don't apply to this job. Required skills React.js, Vue.js, TypeScript, ECMAScript, JavaScript, CSS, HTML, BootStrap, Material UI Looking forward to chat with the best candidate. Please write down "read description" at the top of the proposal. If not, I will ignore your message. Kind regards, Alex

    $12 / hr (Avg Bid)
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    32 ofertas

    Hello, Freelancers Happy new year! I am looking for an individual full-stack developer for a long term collaboration. He should have leadership and self-driven experience in previous. Note: If you don't have linkedin profile and are not available for video call, please don't apply to this job. Required skills Frontend: React.js, Vue.js, TypeScript, ECMAScript, JavaScript, HTML, CSS, SCSS Backend: PHP, Node.js, Codeigniter, Laravel, MySQL, MongoDB Looking forward to chat with the best candidate. Kind regards, Alex

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    ...developers who are well versed with ReactJS and Django. We want the contractor to work on-site at one of our offices in Bangalore, India. Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model Thorough understanding of React.js and its core principles Experience with popular React.js workflows (such as Flux or Redux) Familiarity with newer specifications of EcmaScript Experience with data structure libraries (e.g., ) Knowledge of isomorphic React is a plus Familiarity with RESTful APIs Knowledge of modern authorization mechanisms, such as JSON Web Token Familiarity with modern front-end build pipelines and tools Experience with common front-end development tools such as Babel, Webpack, NPM, etc. Ability to understand business requ...

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    Web/IT Developer Finalizado left

    Craft elegant and extensible solutions, at scale, using modern Front End frameworks and technologies to deliver feat...deliver features that people interact with, and rely on, every day. Manage and drive complex technical projects from the planning stage through to execution. Collaborate closely with other Software Engineers across the organization. Advocate standards-driven technology. Basic Qualifications: - Software development experience with Front End frameworks such as Angular - Experience with TypeScript, EcmaScript Webpack and NodeJS - Software development experience in JavaScript, HTML5 and CSS preprocessors - Experience working with Data Structures or Algorithms - Experience with browser-based development tools - Experience with Source Control such as Git or TFS - Bachelo...

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    • The front-end developers should be strong in React and Redux. • Familiar with Object Oriented Programming. • They should have hands-on working experience in pulling live data from Api and displaying it on live charts. • The person should also know some NodeJS to...in pulling live data from Api and displaying it on live charts. • The person should also know some NodeJS too as he/she will be pulling live data from the database. • The candidate has hands-on experience building Complex UIs and using third-party plug-ins. Mandatory • The candidate has experience working with various version control systems like (GIT) • Must be a team player. • Knowledge of ECMAScript Standards is a must. • Experience working in a lean startup environmen...

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    REQUIREMENTS You are—ideally: A JavaScript expert capable of working with any major frontend framework and library Extensively experienced with Vue.js/React Up to date with ECMAScript 2015 (and newer) Fluent in state management patterns and solutions (Redux/MobX/ngrx/Vuex) Capable of working with TypeScript Experienced with developing and maintaining large-scale Single Page Applications Proficient in responsive web design Strongly experienced with testing methodologies dedicated to the front-end world (JS Unit tests, E2E tests) Able to precisely communicate your ideas and feedback to the team and client Oriented on helping our clients achieve their business goals While approaching any technical issues, keeping in mind a high-level business perspective Fluent in English (both ...

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    HI, we hava a team of agents in the phillipines that help us with our night shift, we are looking for a developer to support them and work on our tool if things are good. its a chrome extension and javascript experience is needed, specially ECMAScript this is a monthly position, initially for the remainder of the year, but if work is good it could become Indefinite

    $1040 (Avg Bid)
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    Async patterns Finalizado left

    Explain async patterns in ECMAScript (ES), Including callbacks, promises and async await.

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    ...improving our JS and TS based open-source products, creating integrations with third-party SAAS products, performing technical analysis of business requirements, providing bullet-proof functionality in cooperation with QA team, supporting fellow team members with your tech knowledge. What are our main requirements? At least 3 years of commercial experience in JavaScript Up to date with the latest ECMAScript standards Strong UI knowledge with SCSS expertise Deep understanding of Vue.js and modern frontend solutions Knowledge of Node.js Fluency in English What else would be appreciated? Experience with Progressive Web Apps Knowledge about frontend performance optimization Familiarity with TypeScript Webpack Elasticsearch Redis GraphQL NestJS Security knowledge Understanding of ...

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    ...build prototypes, and provide feedback. • Work with the QA engineering team. • Help improve the technical quality of our work through regular technical design and code reviews. • Share your technical knowledge and expertise. • Communicate effectively with engineers, product managers, customers, partners, and other leaders. Requirements to be successful in this role: • Write modern JavaScript/ECMAScript code that is clean, well-tested, and reusable. • Develop, optimize, and scale React/ReactNative applications/components in a production environment. • Develop and test components that are able to optimistically work with our backend technologies. • Strong communication and technical writing skills. • Prior knowledge or ability to quickl...

    $240 (Avg Bid)
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    IBM cloud services Finalizado left

    Async patterns in ECMAScript (ES), Including callbacks, promises and async await.

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    want to develop small website using HTML, styling using CSS, scripting with ECMAScript and testing web application.

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    Develop website Finalizado left

    .../ Skills / Experience: ·Proven experience as a Full Stack Developer or similar role ·Experience developing web applications ·Familiarity with common stacks ·Comprehensive knowledge of multiple front-end languages and libraries. Being up on latest practices is a must, e.g., HTML5, CSS3, CSS pre-processors, bundlers, and associated languages/syntaxes/libraries (SASS and Webpack) as well as ECMAScript 6 (minimum) ·Knowledge of multiple back-end languages (e.g. PHP, Python) and Laravel frameworks ·Familiarity with databases (e.g. MySQL, MariaDB, MsSQL Server), web servers (e.g. Nginx) and UI/UX design ·Proficiency with version control (Git/Sourcetree/Bitbucket) ·Excellent communication and teamwork skills ·Great ...

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    .../ Skills / Experience: ·Proven experience as a Full Stack Developer or similar role ·Experience developing web applications ·Familiarity with common stacks ·Comprehensive knowledge of multiple front-end languages and libraries. Being up on latest practices is a must, e.g., HTML5, CSS3, CSS pre-processors, bundlers, and associated languages/syntaxes/libraries (SASS and Webpack) as well as ECMAScript 6 (minimum) ·Knowledge of multiple back-end languages (e.g. PHP, Python) and Laravel frameworks ·Familiarity with databases (e.g. MySQL, MariaDB, MsSQL Server), web servers (e.g. Nginx) and UI/UX design ·Proficiency with version control (Git/Sourcetree/Bitbucket) ·Excellent communication and teamwork skills ·Great ...

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    32 ofertas

    .../ Skills / Experience: ·Proven experience as a Full Stack Developer or similar role ·Experience developing web applications ·Familiarity with common stacks ·Comprehensive knowledge of multiple front-end languages and libraries. Being up on latest practices is a must, e.g., HTML5, CSS3, CSS pre-processors, bundlers, and associated languages/syntaxes/libraries (SASS and Webpack) as well as ECMAScript 6 (minimum) ·Knowledge of multiple back-end languages (e.g. PHP, Python) and Laravel frameworks ·Familiarity with databases (e.g. MySQL, MariaDB, MsSQL Server), web servers (e.g. Nginx) and UI/UX design ·Proficiency with version control (Git/Sourcetree/Bitbucket) ·Excellent communication and teamwork skills ·Great...

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    .../ Skills / Experience: ·Proven experience as a Full Stack Developer or similar role ·Experience developing web applications ·Familiarity with common stacks ·Comprehensive knowledge of multiple front-end languages and libraries. Being up on latest practices is a must, e.g., HTML5, CSS3, CSS pre-processors, bundlers, and associated languages/syntaxes/libraries (SASS and Webpack) as well as ECMAScript 6 (minimum) ·Knowledge of multiple back-end languages (e.g. PHP, Python) and JavaScript frameworks (e.g. Vue.js, Node.js) ·Familiarity with databases (e.g. MySQL, MariaDB, MsSQL Server), web servers (e.g. Nginx) and UI/UX design ·Proficiency with version control (Git/Sourcetree/Bitbucket) ·Excellent communication and teamw...

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    React Js Project Finalizado left

    We are looking for a react.js developer to join an existing team for 6 - 10 week period. You will have a minimum of 7 years development experience with the last 3 years in react. The following technical skills are a minimum: 3+ years of extensiv...Single Page Application with Web responsive design for mobile and web using React JS, HTML 5, CSS 3 and Bootstrap. Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model. Thorough understanding of React.js and its core principles. Experience with common front-end development tools such as Babel, Webpack, NPM, yarn, etc. Familiarity with newer specifications of EcmaScript (ES6) Ability to understand business requirements and translate them into technical requirements Good verbal and written communicat...

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    I am trying to complete a book, titled 'Mastering Front-End Web Development', with 15 chapters, by 20 Nov 2020. Your job will be to complete the chapter on React.js for me. You must be: 1) Complete: You must cover every feature, keyword, function, usage etc. of the most recent version of React. Total knowledge of HTML, CSS, ECMAScript-2020 and Web APIs can be assumed for the reader. In addition, you must include all issues raised in the most upvoted questions on the first three pages tagged with React on StackOverflow. React Native, Redux and should be covered too. So should a brief introduction to Angular, Vue, and Ember. 2) Concise: You must complete everything in 30 to 70 pages. A sample page has been attached here

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    ReactJS Developer Finalizado left

    ... why needs to be built, and when needs to be delivered so that everyone can be on the same page Desired Candidate Profile Strong proficiency in JavaScript, CSS, HTML, including DOM manipulation and the JavaScript object model Thorough understanding of React.js and its core principles Experience with popular React.js workflows (such as Flux or Redux) Familiarity with newer specifications of EcmaScript Experience with data structure libraries (e.g., ) Knowledge of isomorphic React is a plus Familiarity with RESTful APIs Knowledge of modern authorization mechanisms, such as JSON Web Token Familiarity with modern front-end build pipelines and tools Experience with common front-end development tools such as Babel, Webpack, NPM, etc. Ability to understand business requirements and tr...

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    Aplikasi desktop memakai node js yang akan terhubung dg aplikasi server dan middleware menggunaka API GRPC. Skill yang dibutuhkan untuk proyek ini antara lain : • Menguasai TypeJS/Javascript/EcmaScript • Menguasai NodeJS 12.x > • Menguasai Front End : VUE/Angular/React • Menguasai Library : Express, GRPC, SOAP, JSON • Menguasai Template Render : Mustache • Menguasai Apps Bundling : • Menguasai Database Connection : SQL Server, MongoDB

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    Frontend Developer Finalizado left

    ...practices. • Contribute in a highly collaborative, team-first environment and communicate effectively. Required Skills: • Candidate must be highly self-directed and motivated to take initiative. • Comfortable with ambiguity at the start, effective at driving towards certainty. • Must have advanced skills developing with JavaScript on the server-side. • Working knowledge of latest features in ECMAScript (ES), and can describe things like prototypal inheritance, de-structuring, the spread operator, this, and other advanced JavaScript concepts. • Understands the internals of Node.js such as the event loop, asynchronous programming, streams, and node ecosystem concerns (i.e. versioning and deployment) • Experience with a server-side Node.js framewor...

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    We are looking for a highly skilled ReactJS, NodeJs developer for a long term collaboration who is comfortable with both front and back end programming. Tech stack : - React-redux - Nodejs typescript - Mongodb - SCSS - Axios - Docker - Jest Unit testing - react-modal - redux-saga - if you have actually read this post start conversation with: rocketscience! - CI/CD - Gitlab Pipelines - ECMAScript 6 - Use of Version Control in a commercial environment (Git) - Test driven development As we are searching for long term collaborations, we have a prepared a small task for the candidate developers in order to have an idea on both the quality of their code as their skillevel.

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    Hi, I'm looking for a medium level developer who has a basic understanding of web development. It would be bonus if he had the following concepts. - HTML5, EcmaScript 6, PHP, React. - WordPress content management system - Contact forms with mail sender and autoresponder (if needed) - MailChimp, Social Media, Analytics and other libraries integration as needed

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    React Developer Finalizado left

    I am looking person who has Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model Thorough understanding of React.js and its core principles Prior experience with popular React.js workflows (such as Flux or Redux) Familiarity with more current specifications of EcmaScript Prior experience with data structure libraries (e.g., ) Knowledge of isomorphic React is a plus Familiarity with RESTful APIs Familiarity with HTML / CSS Strong programming skills Excellent communication and planning skills Design and build advanced applications for the Hybrid App platform Work with outside data sources and APIs Unit-test code for robustness Usability, and General reliability Bug fixing and improving application performance

    $675 (Avg Bid)
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    11 ofertas

    Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model Thorough understanding of React.js and its core principles Prior experience with popular React.js workflows (such as Flux or Redux) Familiarity with more current specifications of EcmaScript Prior experience with data structure libraries (e.g., ) Knowledge of isomorphic React is a plus Familiarity with RESTful APIs Familiarity with HTML / CSS Strong programming skills Excellent communication and planning skills Design and build advanced applications for the Hybrid App platform Work with outside data sources and APIs Unit-test code for robustness Usability, and General reliability Bug fixing and improving application performance.

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    1 ofertas
    WordPress Developer Finalizado left

    ...a challenge Love your work, and are looking for an opportunity where you can love it even more English language skills are important, but you don’t need to be a Shakespearean actor or anything BONUS POINTS Write code with accessibility and web standards in mind Experience with latest CSS features (e.g. grid, flexbox, animation, svg, etc) Experience with ES2015+/ES6 and up to date with newest ECMAScript specifications Front-end performance optimisation Experience with GIT/Bitbucket JOB BENEFITS Offer very attractive working conditions for the right candidate 28 days paid leave per annum (up to 35 days) Opportunities for paid travel to attend WordCamps and other industry conferences Long service leave (3 months off paid) after you’ve been with us for a while Up to 2 mo...

    $15 / hr (Avg Bid)
    $15 / hr Oferta promedio
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    ...Experience with cloud message APIs and usage of push notifications. Knowledge of code versioning tools Collaborate with the rest of the engineering team to design and launch new features. Highly experienced with back-end programming languages, such as PHP, Python, Ruby, Java, .NET, JavaScript, etc Writing HTML, CSS, and JavaScript. Being up on latest practices is a must, e.g., HTML5, CSS3, and ECMAScript 6 (minimum) Database design and management, including being up on the latest practices and associated versions Server management and deployment for the relevant environment Familiarity with a relevant and globally supported framework—both front-end and back-end, if necessary Ideally, familiarity with CSS preprocessors, bundlers, and associated languages/syntaxes/libraries s...

    $409 (Avg Bid)
    $409 Oferta promedio
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    App development Finalizado left

    ...APIs for deep integrations with both platforms Diagnose and fix bugs and performance bottlenecks for performance that feels native Maintain code and write automated tests to ensure the product is of the highest quality. Skills & Requirements Must have BTech, BE, MS in Computer Science or related technical discipline 2+ years deep experience in building mobile apps Firm grip on Javascript, ECMAscript (OOJS) and its nuances including ES6+ Deep hands-on understanding of React Native, React JS, Node JS, JSX Hands-on experience on Android and iOS in creating Hybrid and native applications Hands-on on React native development tools like IDEs (Nuclide, Atom, Sublime Text, or Visual), Chrome debugging tools, ESLint, React Native CLI, Watchman Good understanding of REST API Exper...

    $481 (Avg Bid)
    $481 Oferta promedio
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    Looking for freelance frontend engineers with extensive experience in frontend development, skilled with ECMAScript 2015 and frontend web technologies. Experience with React, TypeScript, Webpack, Babel and a testing framework like e.g. Jest is also essential. This is for a client based in Germany for a project of at least 3 months, likely stretching to 6-9. Nice team, English-speaking environment, fintech project. Please provide your hourly rates. Preference given to persons based in Brazil, South America overall, eastern Europe due to client location.

    $18 / hr (Avg Bid)
    $18 / hr Oferta promedio
    49 ofertas

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