Hire expert
Javascript ES6 Experts
for any job

Millions of people use Freelancer to turn their ideas into reality.

Hire a top Javascript ES6 Expert now

Trusted by leading brands and startups

Freelancers are ready — get bids in seconds

Post your project for free and connect with skilled freelancers ready to start today. Compare bids, ratings and portfolios, and only pay when you're happy with the work.

Live across Freelancer right now

~280 sec

to first bid

54+

bids per project

7k+

freelancers online

Not sure who to pick? Every freelancer comes with ratings, reviews and a portfolio you can compare before you hire.

Post your project — it's free

No upfront cost · pay only when you're happy with the work

Hire Javascript ES6 Experts

The Hawkesbury Geek

5.0

138

8.1

99%

Kurrajong, Australia

$35 USD per hour

G'day! I'm Brett, a full-stack developer with 20+ years of hands-on experience in website design, development, mobile & desktop app development, hosting, AI-driven automation, and advanced Excel-based data and financial solutions. I went through all levels of verification by Freelancer staff providing you with reassurance that I am one of the top developers on Freelancer. I build reliable, scalable websites and applications, and I help businesses use AI in a practical way — automating repetitive work, improving customer experience, and making systems smarter without unnecessary complexity. My core tech stack includes PHP, JavaScript, Python, C/C#, and Java, along with modern frameworks, AI, APIs, and industry-standard tools. What I Do 1. Website Design Figma, PSD, and Adobe XD to Responsive Layouts using CSS, Bootstrap, Tailwind CSS 2. WordPress - Custom themes & plugins - ACF, Gutenberg, Elementor, Divi, Beaver Builder, Oxygen, WPBakery - Advanced custom forms (Gravity Forms, WPForms, Contact Form 7) 3. Website & Application Development 3.1 Next.js & Modern Web Apps - Next.js websites and applications - Server-side rendering (SSR) & API integrations - Secure, scalable architecture 3.2 Front-End - HTML, CSS, JavaScript, jQuery - React.js, Angular, Vue.js, MUI - Bootstrap, Tailwind CSS 3.3 Back-End - Node.js (Express) - PHP (Laravel, Symfony, CodeIgniter, Yii, Zend) - Python (Django, Flask, FastAPI) - C# (.NET, .NET Core) 3.4 Full-Stack - MERN & MEAN stacks - Secure APIs, authentication & integrations 4. AI & Automation - AI chatbots and assistants for websites & internal tools - OpenAI / LLM integrations (chat, content, data processing) - Smart search, filtering & AI-powered features 5. E-commerce - WooCommerce, Shopify, Magento, Prestashop, OpenCart - Custom features, integrations & performance optimisation 6. Mobile App Development (Flutter & React Native) - Cross-platform mobile app development for iOS and Android - API integration (REST, GraphQL, Firebase, etc.) - Push notifications, authentication, payments & third-party services 7. Desktop Application Development (Electron) - Cross-platform desktop apps for Windows, macOS, and Linux using Electron - Building modern, responsive desktop UI using HTML, CSS, JavaScript, React, and Node.js - API integrations for cloud-connected desktop tools 8. Excel & Finance Automation - Advanced Excel solutions (formulas, pivot tables, dashboards) - Financial modelling, forecasting & reporting tools - Data cleaning, transformation & analysis - Automation using Excel, Google Sheets & scripts (VBA / Python) - Integration with APIs, CRMs, and business systems for real-time reporting 9. Hosting & Deployment - Hosting setup, optimisation & security - Ongoing maintenance and support I'm online pretty much 24x7 so you're never going to wait long for an answer. I'm easy to chat to and extremely keen to achieve a 5/5 result for both sides, get in touch.

Javascript ES6 ASP JavaScript Python Website Design

View Profile

Tech Domain Digital

4.9

6.8

97%

North Kellyville, Australia

$20 USD per hour

Welcome to Tech Domain Digital, where creativity meets technology. We help businesses build memorable brands, create engaging visual experiences, and develop high-performing websites that drive real business growth. ✨ What We Do Graphic Design (All Formats) Logo Design & Brand Identity Corporate Branding & Brand Guidelines UI/UX Design (Figma & Adobe XD) Wireframes, Prototypes & User Journey Design Children's Book Illustrations & Character Design Custom Illustrations & Digital Artwork Book Covers, Packaging & Label Design Brochures, Catalogs, Flyers, Posters & Marketing Materials Social Media Creatives & Content Design Pitch Decks, Business Presentations & Infographics Motion Graphics, 2D/3D Animation & Explainer Videos Video Editing & Animated Marketing Content Website Design & Development (WordPress, Shopify, Webflow, Wix & Squarespace) Frontend Development (HTML5, CSS3, JavaScript, TypeScript, Bootstrap, Tailwind CSS) Full-Stack Development (React.js, Angular, Vue.js, Node.js, Express.js, PHP, Laravel & MySQL) Custom Web Application Development REST API Development & Third-Party API Integrations Custom Frontend & PHP Development (HTML, CSS, JavaScript & PHP) eCommerce Solutions (Shopify, WooCommerce & Custom eCommerce Development) Website Audits, Performance Optimization, Speed Optimization & Ongoing Maintenance SEO, Technical SEO & AEO (Answer Engine Optimization) Google Ads (Search, Display, Shopping & Performance Max Campaigns) Digital Marketing & Social Media Management Email Marketing, Automation & High-Converting Landing Pages Website Hosting, Domain Management & Technical Support Web Scraping, Data Processing & Automation Solutions CMS Development & Customization (WordPress, Shopify, Webflow & Headless CMS) 👨‍💻 Who We Are Our team consists of experienced designers, developers, UI/UX specialists, illustrators, animators, SEO experts, and digital marketing professionals with over 10 years of industry experience. We combine creativity, strategy, and technical expertise to deliver solutions that strengthen your brand, increase visibility, and help your business grow. 🔥 Why Choose Us? * 100% custom and original work * Complete branding, design, development, and digital marketing solutions * Modern, responsive, and performance-focused websites * Expertise in UI/UX, Figma, SEO, Google Ads, branding, illustration, animation, eCommerce, and digital marketing * Clear communication and collaborative approach * On-time delivery with ongoing support * Quality-driven solutions tailored to your business goals Whether you need a complete brand identity, UI/UX design, custom illustrations, explainer videos, a professional website, an eCommerce store, SEO, Google Ads management, or ongoing digital marketing support, Tech Domain Digital is committed to delivering impactful solutions that help your business stand out and succeed.

Javascript ES6 PHP JavaScript Website Design Graphic Design

View Profile

Muhammad A.

4.7

5.7

97%

Perth, Australia

$50 USD per hour

I provide complete IT services tailored to modern business needs, with a strong focus on Blockchain development, Artificial Intelligence, Machine Learning, Big Data, Web and Mobile app development, E-commerce platforms, and custom software solutions. I specialize in blockchain technologies including DEXs, DApps, NFTs, Web3, smart contracts, and DeFi applications across platforms like Ethereum, BSC, and Polygon. For web and mobile development, I work with Java, Python, PHP, and top JavaScript frameworks such as React.js, Node.js, Angular, and Vue.js—alongside mobile technologies like Flutter and React Native. My e-commerce solutions are built on platforms like WooCommerce, Shopify, and Magento, while my AI and machine learning services leverage tools such as TensorFlow and AWS to create intelligent, data-driven systems. If you're looking for secure blockchain integration, modern web and mobile development, scalable e-commerce systems, or custom AI-driven software, I’m here to help turn your ideas into powerful digital products.

Javascript ES6 PHP C Programming Java JavaScript

View Profile

Sajat Prasad S.

5.0

5.4

100%

banya, Australia

$50 USD per hour

Exceeding expectations. Building products that move businesses forward. As I'm a senior software engineer, I led a full-stack software engineering team focused on delivering scalable, high-performance digital products across web, mobile, cloud, AI, and automation platforms. I help startups, growing businesses, and product teams design, build, and scale production-ready applications with modern architecture and practical AI integration. With 7+ years of hands-on engineering experience and a broader team with 10+ years delivering digital products, we build software that is scalable, maintainable, secure, and aligned with business outcomes from day one. From architecture and MVP development to deployment and long-term scaling, we focus on turning ideas into reliable products that improve operations, automate workflows, and create better user experiences. What We Deliver AI-powered business automation and workflow systems Custom web applications and SaaS platforms Cross-platform mobile applications Scalable backend systems, APIs, and cloud architecture E-commerce solutions with Shopify, BigCommerce, WooCommerce, and Magento Product optimization, testing, monitoring, and CI/CD UI/UX-focused product development Blockchain and dApp product development AI & Automation Expertise I specialize in applying AI where it creates measurable product value: Intelligent workflow automation LLM-powered assistants and conversational systems Recommendation engines and personalization Predictive analytics and data-driven product features Integration with OpenAI APIs and custom ML services End-to-end AI pipelines from data processing to deployment Core Strengths End-to-end ownership From product planning and system architecture to deployment and scaling. Scalable architecture Built for performance, maintainability, and long-term growth. Business-first engineering Technology choices focused on speed, cost-efficiency, and product outcomes. Reliable execution Clear communication, clean code, and practical delivery. If you need a software engineer that can architect, build, and scale modern digital products — while integrating practical AI capabilities where they create real business value — I'm ready to help. Thanks

Javascript ES6 PHP Java JavaScript Python

View Profile

See more Javascript ES6 Experts

Clients rate our Javascript ES6 Experts

4.91 out of 5

from 26,256 reviews

How to hire a great freelance Javascript ES6 Expert

A JavaScript ES6 expert is a developer who specializes in writing modern ECMAScript 2015+ code, using features like arrow functions, classes, modules, destructuring, promises, and async/await to build fast, maintainable web applications. Hiring a JavaScript ES6 expert means bringing on a specialist who can architect clean front-end and back-end code, refactor legacy ES5 codebases, and ship production-ready features for browsers, Node.js servers, and mobile runtimes.

What a JavaScript ES6 expert delivers

ES6 introduced the syntax and language features that define modern JavaScript development. A skilled ES6 developer translates that toolkit into real business outcomes: faster page loads, smaller bundle sizes, fewer runtime bugs, and code that other engineers can read and extend without friction.

Typical deliverables include single-page applications, reusable component libraries, REST and GraphQL API clients, Node.js services, build pipelines, and migrations from older JavaScript codebases to current standards. An ES6 specialist also handles cross-browser compatibility through transpilers like Babel and bundlers like Webpack, Vite, or Rollup, ensuring code runs reliably across target environments.

Core ES6 features a specialist will use

When you hire a JavaScript ES6 expert, expect fluency in the full modern language specification, not just isolated features. The work usually involves:

Arrow functions, default parameters, rest and spread operators

Let and const block scoping to eliminate var-related bugs

Template literals for dynamic string composition

Destructuring assignment for objects and arrays

ES6 classes, inheritance, and static methods

Native modules with import and export syntax

Promises, async/await, and modern asynchronous patterns

Map, Set, WeakMap, and WeakSet data structures

Iterators, generators, and Symbol primitives

Proxy and Reflect for metaprogramming

Tools, frameworks, and ecosystem

A strong JavaScript developer pairs ES6 fluency with the surrounding ecosystem. Look for working knowledge of front-end frameworks such as React, Vue, Angular, or Svelte, and server-side runtimes including Node.js, Express, NestJS, and Deno. Build tooling expertise typically covers Babel, Webpack, Vite, Rollup, and esbuild.

For quality and testing, an ES6 specialist commonly uses ESLint, Prettier, Jest, Mocha, Vitest, Cypress, or Playwright. Version control through Git and GitHub or GitLab is standard, along with package management via npm, Yarn, or pnpm. Many ES6 developers also work with TypeScript, which builds on ES6 syntax with static typing.

Common tasks and project types

Building interactive SPAs and progressive web apps

Refactoring legacy ES5 or jQuery codebases to modern ES6+

Developing Node.js REST and GraphQL APIs

Creating reusable npm packages and component libraries

Implementing real-time features with WebSockets or Socket.IO

Optimizing bundle size, code splitting, and lazy loading

Writing unit, integration, and end-to-end test suites

Migrating JavaScript projects to TypeScript

Setting up CI/CD pipelines for JavaScript deployments

Industries that hire JavaScript ES6 developers

Modern JavaScript powers nearly every digital product, so demand spans sectors. E-commerce companies use ES6 developers to build storefronts on Shopify, Magento, or custom stacks. Fintech firms rely on them for trading dashboards, payment flows, and data visualization with D3.js or Chart.js. SaaS companies hire ES6 specialists for admin panels, user-facing apps, and integrations.

Other common use cases include media and publishing platforms, marketing agencies building campaign microsites, healthcare and education apps with strict accessibility requirements, and startups prototyping MVPs that need to scale into production systems.

How to evaluate JavaScript ES6 candidates

Strong candidates show consistent shipping history, clean public code, and the ability to explain trade-offs in plain language. Review GitHub repositories for ES6 syntax usage, module organization, and test coverage. Check portfolios for production applications, not just tutorial projects.

Useful signals include contributions to open-source projects, npm packages they maintain, and experience working with the framework that matches your stack. Sample interview questions to copy and use:

Can you explain the difference between var, let, and const, and when you would choose each?

How do promises, async/await, and callbacks compare, and when would you reach for each pattern?

Walk me through how you would refactor a callback-heavy ES5 module into modern ES6+ syntax.

How do ES6 modules differ from CommonJS, and how does that affect bundling?

Describe a time you debugged a tricky issue caused by this, closure scope, or hoisting.

Why hire JavaScript ES6 experts on Freelancer.com

Freelancer.com gives you access to a global pool of vetted JavaScript developers with verified skills, public ratings, and portfolio evidence you can review before awarding any work. Whether you need a quick bug fix, a long-term front-end engineer, or a full team to rebuild a legacy app, you can compare freelancers on Freelancer.com side by side on experience, reviews, and proposed approach.

Clients on Freelancer.com set their own budgets and receive competitive bids from developers worldwide, with Milestone Payments holding funds until you approve delivered work. That structure makes it straightforward to post a project on Freelancer.com and engage talent with confidence at any scope.

Ready to ship modern JavaScript? Post a project on Freelancer.com today and connect with skilled JavaScript ES6 experts ready to deliver.

What are the steps to hiring a freelance JavaScript ES6 expert?

Hiring a JavaScript ES6 developer on Freelancer.com is a structured process built around a clear brief, strong proposals, and verified profile evidence. The clearer you are about the stack, deliverables, and target environment, the better the bids you will receive. Here is how to run the process.

Step 1: Post your project on Freelancer.com

The brief is the single biggest determinant of bid quality. A vague post attracts generic bids; a specific JavaScript brief filters for developers whose ES6, framework, and tooling experience matches your needs. Head to the post project page , where you fill in the scope, timeline, and budget before publishing the project for freelancers to bid on.

Specify the framework or runtime: React, Vue, Angular, Node.js, or vanilla ES6

List required tooling such as Webpack, Vite, Babel, Jest, or ESLint

Describe deliverables: features, components, APIs, test coverage, or documentation

Note browser or Node version targets and any accessibility or performance benchmarks

Include timeline, budget range, and whether the work is fixed-price or hourly

Attach mockups, existing code samples, or API specs where available

Step 2: Review bids from freelancers

Bids on Freelancer.com are short proposals, not just price quotes. They show how each developer interprets your brief, what technical approach they would take, and what timeline they consider realistic. Read carefully and shortlist candidates whose understanding of your JavaScript work matches what you described.

Look for a clear technical approach referencing ES6 features and your chosen framework

Note clarifying questions about edge cases, browser support, or testing requirements

Check that proposed timelines account for testing, code review, and deployment

Confirm proposals reference relevant tools such as Webpack, Babel, or Jest

Review attached sample work, GitHub links, or npm packages

Use Freelancer.com chat to ask shortlisted developers follow-up technical questions

Step 3: Evaluate freelancers and award the project

The final decision combines proposal quality with profile evidence. For JavaScript work, weigh portfolio depth across multiple projects rather than a single polished demo, and look for consistency in code quality, testing discipline, and on-time delivery.

Review portfolio projects built with ES6 and your target framework

Check star ratings and the volume of completed JavaScript projects

Read written client reviews for signals on communication and code quality

Confirm verified payment method, completion rate, and on-time delivery rate

Look for public GitHub activity, npm packages, or open-source contributions

Award the project and set up Milestone Payments so funds release only when you approve each deliverable

What is the difference between a JavaScript developer and a JavaScript ES6 expert?

A general JavaScript developer may work in older ES5 patterns or mix conventions, while an ES6 expert specializes in the modern language specification and the tooling around it. That distinction matters when you need clean module structure, async/await flows, and code that integrates with current frameworks like React or Vue without legacy baggage.

Do I need a JavaScript ES6 expert or a TypeScript developer?

TypeScript is a superset of modern JavaScript, so a strong ES6 developer can usually pick up TypeScript quickly. If your codebase already uses TypeScript or you want compile-time type safety, hire someone with explicit TypeScript experience. If you are working in plain JavaScript and prioritize speed and flexibility, an ES6 specialist is the right fit.

Can I hire a JavaScript ES6 freelancer for a one-off project?

Yes. Many ES6 developers on Freelancer.com take on short engagements such as bug fixes, performance audits, single feature builds, or codebase migrations. You can also hire ongoing for retainer work or full project delivery, depending on scope.

How long does a typical JavaScript ES6 project take?

Timelines depend on scope. A small refactor or feature add may take a few days, while building a full SPA, API, or migrating a legacy codebase can run several weeks to multiple months. A clear brief and defined acceptance criteria keep timelines predictable.

Should I hire a freelancer or an agency for JavaScript work?

For focused work, a single freelance ES6 expert often delivers faster and with less overhead than an agency. For larger builds requiring designers, back-end engineers, and QA, you can assemble a small team of freelancers on Freelancer.com or hire a freelance technical lead to coordinate.