Upwork home
Sign up
Secondary

Hire the best JavaScript Developers in Rijeka, HR

Check out JavaScript Developers in Rijeka, HR with the skills you need for your next job.
Hire freelancers
Clients rate JavaScript developers
Rating is 4.9 out of 5.
4.9/5
based on 258 client reviews
  • $50 hourly

    • 5.0/5
    • (4 jobs)
    Hi, I am Mihael and I will solve your problems! Development, Design, Custom solutions for YOUR needs A S A P ! From EU with love - Your timezone is my timezone!
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    Lumen Micro Framework
    MySQL
    PostgreSQL
    Shopify
    UX & UI
    WordPress
    UX Research
    Prototype
    Figma
    Laravel
    PHP
    API
    Back-End Development
    Front-End Development
  • $50 hourly

    • 4.7/5
    • (6 jobs)
    Webflow Developer and Designer with 3+ years experience and 100+ Webflow tasks completed. Experience working in a YC startup, delivering daily Webflow updates to various stage startups.
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    Figma
    CSS
    Responsive Design
    Webflow
    HTML
    Landing Page
    Web Design
    Web Development
    Website
    Website Prototyping
    Front-End Development
    Web Hosting
    Git
  • $60 hourly

    • 5.0/5
    • (9 jobs)
    🎯 Web Developer | Front-End Specialist | HTML, CSS, JavaScript, TypeScript, Redux I've been on this web development journey for 16 years, diving deep into HTML, CSS, JavaScript, and TypeScript, and becoming pretty handy with Redux along the way. I also know my way around back-end tech like Ruby and Python. 🔥 Efficiency-Focused, Driven by Excellence I've been part of some long-haul projects where I've put my heart into making things better—whether that’s refining code, collaborating with teammates, or just bringing my best to the table every day. I’m all about quality and keeping the momentum going. ⭐ Bringing Positive Vibes and Clear Communication I'm known for my positive energy and my straightforward, easy-going communication style. I try to make work feel a little less like work and more like a place where great things happen. I’ve been told I have a knack for lifting team spirits and getting everyone on the same page. 🤝 Team Player, Front-End Enthusiast I love digging into front-end challenges and finding smart, efficient solutions. I’m easy to talk to, friendly, and always ready to help out, which I think makes a difference in building strong, collaborative teams. 💼 Dependable, Dedicated, and Ready for the Next Challenge I’m all about showing up, staying loyal, and doing my best work—even when things get tough. I believe in pushing myself and my team to deliver great results, and I like to think my enthusiasm is pretty contagious! More than just a web developer, I’m someone who brings passion, dedication, and a bit of personality to every project. If you're looking for a front-end expert with a strong background in JavaScript, TypeScript, React, and Redux who genuinely enjoys collaborating and making an impact, let’s connect!
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    Jest
    TypeScript
    Redux
    React
    RSpec
    Front-End Development
    Sass
    HTML
    CSS
    Git
    MySQL
    PostgreSQL
    Ruby on Rails
  • $50 hourly

    • 5.0/5
    • (9 jobs)
    Hello! I’m Mateo, a senior full-stack developer from Europe with over a decade of development experience, specializing in the VILT stack (Vue, Inertia, Laravel, Tailwind CSS). My goal is simple: to help you achieve your project objectives with efficient, scalable, and user-friendly solutions tailored to your unique needs. ✅ Building Solutions that Work for You: I’m committed to understanding your project goals deeply. Whether you need a full-scale application or specific features, I design solutions that align precisely with your objectives, ensuring every aspect contributes to your end vision. ✅ Fast Prototyping and Clear Feedback Loops: Quick prototyping and iteration are key to refining a product that genuinely meets user needs. By working in small, manageable steps, I make sure you see and experience your product’s development early on, allowing us to adjust and enhance as we go. ✅ Seamless Growth with a Scalable Architecture: I prioritize building an architecture that grows with your project, so you’re ready to scale smoothly when demand increases, all while keeping flexibility for future features. ✅ A Design that Puts Users First: Great UI/UX is essential for user satisfaction and engagement. I create interfaces that are clean, intuitive, and responsive, ensuring a great experience for your users across all devices. ✅ Reliable Performance and Security: I prioritize performance optimizations to ensure your application is fast and efficient, handling high loads smoothly. Plus, I follow best practices for security and data integrity, safeguarding user data and building trust. ✅ Effortless Integrations: I help make your project more powerful with tailored integrations, automating workflows, and connecting to valuable data sources so your application can do more with less. My aim is to provide long-term value for you by creating solutions that fit your current needs and can evolve as your project grows. Let’s connect and discuss how we can bring your vision to life!
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    Progressive Web App
    Sass
    MySQL Programming
    PostgreSQL Programming
    Vue.js
    Laravel
    Node.js
    AngularJS
  • $30 hourly

    • 4.6/5
    • (5 jobs)
    Hey! I am a full-stack web/app developer with two years of experience working as a freelancer and for other companies. I am ninja in skills like HTML5, CSS3, PHP, JavaScript, jQuery, NodeJS(ExpressJS), React, TypeScript, Cypress and WordPress. In terms of WordPress, I am proficient in: - creating WordPress pages from scratch e.g. , setting up a server (for both staging and live site) - creating custom plugins or editing existing plugins (custom store for WooCommerce) - creating custom themes or child themes - creating or editing pages with page builders (Elementor, Divi, Beaver Builder) - troubleshooting plugin errors - creating custom forms Beside WordPress, I have created custom static pages, with custom animations and functionality created with CSS and JavaScript(jQuery). My communication skills are great, fluent in English, both writing and speaking - favorite way of communication are video/audio calls instead of just using text messages. I love to work so be free to invite me for a job interview, where we can discuss more detail about your demands for project. Cheers!
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    TypeScript
    SCSS
    SQL
    jQuery
    ExpressJS
    React
    RESTful API
    HTML
    WordPress
    CSS
    API
    PHP
    Node.js
    React Native
  • $30 hourly

    • 4.8/5
    • (4 jobs)
    Hello! I'm Ana-Maria - a passionate front-end developer with over 5 years of development experience. I believe one must never stop learning so I always thrive to follow modern web development practices and new technologies. I know that customer’s satisfaction is the key to success so you can always expect: ☑ clear, polite and timely communication ☑ respecting the deadlines and budget ☑ fast and SEO-friendly code ☑ clean and well-documented code ☑ testing deliverables on all devices and on all major browsers 🤝 WHAT I BRING TO YOUR PROJECT: ✔️ Expertise in Vue.js and React for dynamic and reactive UI development ✔️ Mastery of Three.js for creating 3D web experiences ✔️ Smooth, intricate CSS animations to elevate the user experience ✔️ HTML code that is fully SEO compliant (page load speed, best practices etc.) ✔️ Clean, easy-to-maintain code that ensures scalability and flexibility 🎯HOW CAN I HELP YOU ACHIEVE YOUR GOALS: ✔️ Turn your vision into reality: I transform design concepts into fully functional, user-friendly web applications, ensuring your users enjoy a seamless experience across all devices. ✔️ Enhance user engagement: By building intuitive and responsive interfaces, I help increase user satisfaction, leading to higher retention rates and more meaningful interactions with your product. ✔️ Improve project efficiency: With clean, maintainable code and attention to detail, I reduce technical debt and ensure that your project remains scalable and easy to update as your business grows. ✔️ Collaborative problem-solving: I work closely with your team, offering insights and solutions that align with your goals, while being responsive to feedback to ensure that the end result exceeds expectations. 🛠️ OTHER TOOLS I USE: ✔️ Git for version control ✔️ Jira Software, Asana, Trello, and Git issues for task management ✔️ Strong understanding of team workflows, ensuring smooth and efficient project completion I’m comfortable working in remote and international teams, and communication is key for me—I’m fluent in English and regularly collaborate with project managers, colleagues, and clients to make sure we’re always on the same page. I’m always open to feedback and believe that collaboration leads to the best results. If you’re looking for a frontend developer who can deliver responsive, interactive, fast and well-structured web applications, let’s connect!
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    October CMS
    Vuex
    Front-End Development
    Landing Page
    CSS 3
    HTML5
    Vuetify
    Bootstrap
    Tailwind CSS
    SCSS
    Sass
    CSS
    HTML
    Vue.js
  • $40 hourly

    • 0.0/5
    • (0 jobs)
    I am an experienced Full Stack Developer with a strong background in both frontend and backend development. I am passionate about teamwork and have previously worked in an Internet Service Provider (ISP) environment, where collaboration and efficiency were key to our success. My expertise spans a wide range of technologies and platforms, including: ✔ Streaming & Multimedia: Advanced skills in Streaming, Video/Audio/Image Processing, and using technologies such as WebRTC, FFmpeg, and GStreamer. ✔ Communication Platforms: Proficient in Jitsi, FreePBX, Zoom, and Twilio, with extensive experience in VoIP, VoD, and OTT solutions. ✔ Smart TV & Mobile Platforms: Skilled in developing for LG, Tizen, Android TV, Roku, WebOS, Amazon TV, Android, and iOS. ✔ Real-Time & Networking: Deep knowledge in socket programming, M3U8 streaming, and ensuring optimal real-time communication experiences. I am dedicated to delivering high-quality, scalable, and efficient solutions while maintaining open and clear communication with all team members and stakeholders.
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    Twilio API
    Amazon Web Services
    VoIP
    WebRTC
    Python
    Docker
    React
    Live Streaming Setup
    NGINX
    Real Time Stream Processing
    Video Stream
    GStreamer
    FFmpeg
    C++
  • $40 hourly

    • 0.0/5
    • (0 jobs)
    Hi! My name is Ivan and I'm specialized in creating high quality Wordpress websites. I've just started my freelancing career after working in a programming agency for 3 years. I will help you transform your personal or business concept into a successful WordPress based website. I have a passion for providing my clients with modern, clean and fully validated sites. I focus on functional design. This means websites and graphic medium should not only look good, but work flawlessly and meet their intended function. Through design, I concentrate on the message you want to convey, and I help bring that to life using the latest in design and technical standards.
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    WordPress Theme
    Bootstrap
    Twitter/X Bootstrap
    Web Design
    Responsive Design
    CSS
    Search Engine Optimization
    HTML
    WordPress
  • $50 hourly

    • 0.0/5
    • (0 jobs)
    Professional in customer service with more than 7 years of experience in dealing with clients from different countries. My unique professional experience is built from years of customer service, creative problem solving and building customer loyalty. A productive Full-Stack Blockchain/Web/Mobile developer with a passion for change and breaking previous records. My passion is creating world-class web applications.
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    HTML
    React
    Angular
    Redux
    React Native
    Blockchain
    CSS 3
    Bootstrap
    Front-End Development
    Rust
    CSS
    Node.js
    Blockchain Architecture
  • $15 hourly

    • 0.0/5
    • (0 jobs)
    My name is Krietian Jezidzic, I am 27 years old, from Rijeka, Croatia.I am a Full Stack Web developer.
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    CSS Framework
    Vue.js
    CSS
    HTML
    React
    Node.js
  • $40 hourly

    • 0.0/5
    • (0 jobs)
    Professional in customer service with more than 7 years of experience in dealing with clients from different countries. My unique professional experience is built from years of customer service, creative problem solving and building customer loyalty. A productive Full-Stack Blockchain/Web/Mobile developer with a passion for change and breaking previous records. My passion is creating world-class web applications.
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    Blockchain, NFT & Cryptocurrency
    NFT Marketplace
    Blockchain
    Solidity
    Front-End Development
    Smart Contract
    web3.js
    Full-Stack Development
    React
    Web Development
    Vue.js
    TypeScript
    Rust
    Angular
  • $35 hourly

    • 0.0/5
    • (0 jobs)
    Experienced Developer professional with strong leadership and relationship building skills. Certified Blockchain Developer, developing the Applications in Java and MEAN. Experience in developing Decentralized Blockchain applications using Ethereum and Hyper ledger. Highly professional blockchain developer with 10 years of experience, solid leadership skills, and unrivalled building skills. Competent in cloud platforms (AWS and Azure), databases (PL/SQL, MySQL, and SQL), tools (VS Code and Eclipse IDE), version control (Git), Ethereum tools (EthPM, Ganache CLI, Truffle, Geth, Solidity, Ethereum Virtual Machine, and Remix), debugging, and product testing.
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    Web3
    Blockchain, NFT & Cryptocurrency
    NFT Marketplace
    Blockchain
    Solidity
    Front-End Development
    Smart Contract
    Full-Stack Development
    Angular
    Vue.js
    Rust
    React
    TypeScript
  • $30 hourly

    • 0.0/5
    • (0 jobs)
    Professional in customer service with more than 7 years of experience in dealing with clients from different countries. My unique professional experience is built from years of customer service, creative problem solving and building customer loyalty. A productive Full-Stack Blockchain/Web/Mobile developer with a passion for change and breaking previous records. My passion is creating world-class web applications.
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    Angular
    Vue.js
    Blockchain, NFT & Cryptocurrency
    Blockchain
    Smart Contract
    NFT Marketplace
    Solidity
    Full-Stack Development
    Front-End Development
    Web Development
    Rust
    TypeScript
  • $40 hourly

    • 0.0/5
    • (0 jobs)
    I cherish my time very well. I am working with different programming tasks for the last 10 years. So when you are choosing me, you can expect your job will be done in short terms and perfectly. I would not say I will do something that I can't do. Because I have ability to communicate about your task clearly, don't worry about discussion. I think it is very important that clear communication, deadline, high-quality code/result. So I will do the best for keeping these. These are my skills. 1. Blockchain - Smartcontract development using Solidity, web3.js and ether.js integration - Solana development using Rust, Anchor framework - Golang, C++, Java, C# - What I can provide ✓ Creating an exchange Trading platforms with 3rd part liquidity API, Margin trading etc. like binance.com, bybit.com, or Bitmex.com ✓ NFT marketplace, Defi/Dapp Development, DeFi Consulting (swaps, liquidity pools, borrowing and lending, staking, yield farming, impermanent loss, governance tokens) ✓ NFTs (ERC-721, ERC-1155, Flow, Solana, BSC, Polygon, Rarible, Opensea, Nifty, etc) ✓ ICO| STO| IEO- Developing from scrach + Marketing ✓ Smart Contract (ERC20 + ERC21) and Audit ✓ IOT solutions using blockchain such as in Farming ✓ Peer to peer platform ✓ Wallet development (HOT /COLD/ETHER/P2P/ ETH WALLET) ✓ Cryptocurrency Pricing Website ✓ Crypto Arbitrage ✓ Forking coin 2. Frontend - React, React StyledComponent, Next.js, Typescript, Redux(toolkit) - Vue.js, Nuxt.js - Angular( 2 - 12) - Bootstrap, Tailwindcss - UI design based XD, Figma, PSD, Zeplin 3. Backend - Node.js , Express.js - Django, Python, Flask - YII, CI, Laravel, Php 4. Database - MogoDb, MySql, Postgresql, firebase - AWS services
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    Smart Contract
    web3.js
    Solidify
    Solana
    Tailwind CSS
    Vue.js
    Next.js
    Material UI
    Rust
    Node.js
    React
  • $30 hourly

    • 0.0/5
    • (0 jobs)
    Hello, I am Danijel Soldatic and I am a Senior WordPress Developer & Conversational AI Specialist with over 10 years of experience crafting dynamic web solutions. I combine advanced WordPress development expertise with cutting-edge chatbot integration capabilities to create engaging, automated, and highly functional websites that drive business growth. With extensive experience in full-stack development, I specialize in: - Custom WordPress theme and plugin development WooCommerce & e-commerce solutions Advanced Custom Fields (ACF Pro) Elementor & major page builders PHP 8, MySQL, JavaScript/jQuery Git version control & CI/CD workflows WordPress Multisite & REST API Performance & security optimization Chatbot development and AI integration -Chatbot Development Skills: Custom WordPress chatbot plugin development Integration with DialogFlow, BotPress, MobileMonkey ChatGPT API integration for WordPress Multi-language chatbot support Conversational flow optimization Analytics and conversation tracking I've successfully delivered 50+ WordPress projects ranging from custom corporate websites to complex e-commerce platforms. My solutions have helped businesses automate customer support, enhance user engagement, and scale their online presence effectively. I am committed to delivering clean, efficient, and maintainable code while ensuring optimal site performance and security. Available for both short-term projects and long-term collaborations.
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    REST API
    MobileMonkey
    Dialogflow
    Microsoft Bot Framework
    Chatbot
    MySQL
    Elementor
    Advanced Custom Fields Plugin
    WooCommerce
    Node.js
    WordPress Plugin
    WordPress Theme
    WordPress
    PHP
  • $20 hourly

    • 0.0/5
    • (0 jobs)
    I'm an aspiring individual passionate about tech and AI! I can help you with: - any kind of AI & Automation development - Full Product Management from start to finish
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    WhatsApp
    Chatbot Development
    Product Development
    Bubble.io
    Web Application
    Web Development
    Product Management
    Artificial Intelligence
  • $85 hourly

    • 0.0/5
    • (0 jobs)
    Full Stack Developer specializing in WordPress ecosystem, AI integration, and enterprise solutions. Currently developing a groundbreaking €1M-valued WordPress plugin that revolutionizes Elementor with AI capabilities. Technical expertise includes: Frontend: React, Vue.js, Next.js, HTML5, CSS3/SASS, JavaScript, TypeScript Backend: PHP, Python, Node.js, Java, REST APIs Database: MySQL, MongoDB, PostgreSQL CMS: WordPress Core, Plugin/Theme Development, WooCommerce DevOps: AWS, Docker, Git, CI/CD pipelines Specialized services: Custom WordPress plugin and theme development AI integration and implementation Custom Elementor widgets development Enterprise system architecture Next.js application development Drag & drop builder creation Full-stack web applications Cloud infrastructure setup API development and integration Performance optimization I focus on delivering scalable, maintainable solutions with clean code and excellent documentation. I also strongly emphasize clear communication and meeting project deadlines. I am available for both complex enterprise projects and focused development tasks. Let's discuss how my expertise can help bring your project to life.
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    API
    SQL
    Python
    Vue.js
    React
    WordPress e-Commerce
    WordPress Theme
    WordPress Plugin
    WordPress Development
    WordPress
    PHP
    Artificial Intelligence
    Web Development
    Web Application
  • $20 hourly

    • 5.0/5
    • (6 jobs)
    💯 100% Job Success Score Over the last 4 years, my extensive knowledge of WordPress has empowered a diverse range of businesses, online stores, blogs, and portals to achieve their envisioned functionalities and accomplish their business goals. ✅ WordPress Development ✅ WooCommerce Development ✅ Custom WordPress Plugin Development ✅ WordPress Bug Fix ✅ WordPress Optimization I specialize in: - Custom plugin development, tailored to your unique requirements - Expert bug analysis and troubleshooting to ensure smooth functionality - Enhancing and improving existing plugins to optimize performance and functionality What my clients say: ⭐️ Speed delivery, understood the requirements and nailed it. RECOMMENDED! ⭐️ Antonio did an exceptional job throughout the process. He showcased remarkable flexibility by readily accommodating customizations as needed, resulting in a truly tailored final outcome that exceeded expectations. Tech Skills: 🛠 PHP, AJAX, jQuery, React 🛠 Javascript, HTML, CSS, Bootstrap 🛠 MySQL, PostgreSQL Let's collaborate to enhance your WordPress and WooCommerce experience starting today!
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    WordPress e-Commerce
    WordPress Malware Removal
    AJAX
    Plugin Development
    WordPress Optimization
    WordPress Development
    WordPress Bug Fix
    PHP
    CSS
    HTML
    WooCommerce
    WordPress Plugin
    WordPress
  • $35 hourly

    • 0.0/5
    • (0 jobs)
    Experienced Developer professional with strong leadership and relationship-building skills. Certified Blockchain Developer, developing the Applications in Java and MEAN. Experience in developing Decentralized Blockchain applications using Ethereum and Hyper ledger., CAREER ASPIRATION Over the next 3 years I want to maintain and extend current client- and server-side applications responsible for integration and business logic & involved in the global blockchain community-work on implementing and integrating the latest improvement proposals. FAVORITE QUOTE Many of life's failures are people who did not realize how close they were to success when they gave up.
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    Front-End Development
    MEAN Stack
    React Native
    MERN Stack
    Smart Contract
    LAMP Stack
    Back-End Development
    MEVN Stack
    Full-Stack Development
    TypeScript
    Rust
    Vue.js
    React
    Node.js
  • $35 hourly

    • 0.0/5
    • (0 jobs)
    Experienced Developer professional with strong leadership and relationship-building skills. Certified Blockchain Developer, developing the Applications in Java and MEAN. Experience in developing Decentralized Blockchain applications using Ethereum and Hyper ledger., CAREER ASPIRATION Over the next 3 years I want to maintain and extend current client- and server-side applications responsible for integration and business logic & involved in the global blockchain community-work on implementing and integrating the latest improvement proposals. FAVORITE QUOTE Many of life's failures are people who did not realize how close they were to success when they gave up.
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    MEAN Stack
    Game Development
    Smart Contract
    MERN Stack
    MEVN Stack
    React Native
    LAMP Stack
    Blockchain
    Unity
    Full-Stack Development
    Node.js
    React
    Vue.js
    Rust
  • $30 hourly

    • 0.0/5
    • (0 jobs)
    Senior software engineer with a bachelor's in computer science and 7 years of experience in web development. Focused on creating collaborative efforts between support and engineering teams to implement system or product level changes to benefit end-users and super ambitious professional with a vast array of knowledge in different programming languages, responsive frameworks, databases, and best code practices.
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    CI/CD
    Svelte
    Blockchain
    RESTful API
    DevOps
    Docker
    React
    Django
    Node.js
    Laravel
    GraphQL
    Amazon Web Services
    ExpressJS
    Golang
  • Want to browse more freelancers?
    Sign up

How hiring on Upwork works

1. Post a job

Tell us what you need. Provide as many details as possible, but don’t worry about getting it perfect.

2. Talent comes to you

Get qualified proposals within 24 hours, and meet the candidates you’re excited about. Hire as soon as you’re ready.

3. Collaborate easily

Use Upwork to chat or video call, share files, and track project progress right from the app.

4. Payment simplified

Receive invoices and make payments through Upwork. Only pay for work you authorize.

Trusted by

How do I hire a JavaScript Developer near Rijeka, on Upwork?

You can hire a JavaScript Developer near Rijeka, on Upwork in four simple steps:

  • Create a job post tailored to your JavaScript Developer project scope. We’ll walk you through the process step by step.
  • Browse top JavaScript Developer talent on Upwork and invite them to your project.
  • Once the proposals start flowing in, create a shortlist of top JavaScript Developer profiles and interview.
  • Hire the right JavaScript Developer for your project from Upwork, the world’s largest work marketplace.

At Upwork, we believe talent staffing should be easy.

How much does it cost to hire a JavaScript Developer?

Rates charged by JavaScript Developers on Upwork can vary with a number of factors including experience, location, and market conditions. See hourly rates for in-demand skills on Upwork.

Why hire a JavaScript Developer near Rijeka, on Upwork?

As the world’s work marketplace, we connect highly-skilled freelance JavaScript Developers and businesses and help them build trusted, long-term relationships so they can achieve more together. Let us help you build the dream JavaScript Developer team you need to succeed.

Can I hire a JavaScript Developer near Rijeka, within 24 hours on Upwork?

Depending on availability and the quality of your job post, it’s entirely possible to sign up for Upwork and receive JavaScript Developer proposals within 24 hours of posting a job description.

Looking to hire for long-term or full-time assignments? See how Full-time hiring on Upwork simplifies the process.