Hire the best JavaScript Developers in Sao Carlos, BR

Check out JavaScript Developers in Sao Carlos, BR with the skills you need for your next job.
Clients rate JavaScript developers
Rating is 4.8 out of 5.
4.8/5
based on 793 client reviews
  • $40 hourly
    Are you not familiar with development? Having bugs in your software? Want a new feature developed? If you said yes to any of these questions, I can help you out. Send me a message/request with what you need and I will promptly take the time to explain what your project needs and possible steps forward! If you are looking for my background, I am currently a Senior Software Engineer with a degree in Computer Science with years of freelancing. Have a look at my previous projects!
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    Google Apps Script
    Bulma
    Svelte
    React
    Node.js
    MongoDB
    CSS
    Bootstrap
    PostgreSQL
    HTML
    Front-End Development
  • $49 hourly
    As an expert App Analyst and Developer with 3+ years of experience, I specialize in planning, setting up, implementing, and optimizing app tracking systems. With nearly 3 years of expertise, I have successfully collaborated with a diverse range of companies, from banks and e-commerce platforms to gaming, utilities, and local shops. Whether you're a medium-sized business or a large enterprise, I have the skills and knowledge to help you understand and improve user interactions on your app. Key Expertises: - Google Analytics 4 & Google Tag Manager: Mastery in tracking and analyzing app performance and user behavior. - Mobile Measurement Partners (MMPs): Proficient in Appsflyer, Adjust, and Singular for comprehensive app attribution and analytics. - Flexible Engagement: Available for consultancy to guide your development and business teams through tag plans and quality assurance, or hands-on implementation, coding, and testing. What Can I Do for You: Google Analytics 4: - Set up GA4 from scratch, ensuring accurate tracking and reporting. - Plan and implement tagging strategies tailored to your business needs. - Configure custom events and parameters to capture essential user interactions. - Provide insights and actionable recommendations based on GA4 data. - Help in defining and tracking key performance indicators (KPIs). Google Tag Manager: - Set up and configure GTM for efficient tag management. - Implement tags directly in GTM. - Plan and execute comprehensive tag plans to track user behavior. - Conduct QA to ensure all tags are firing correctly and capturing accurate data. - Provide ongoing support and troubleshooting for GTM implementations. Appsflyer and Other MMPs: - Set up and configure Appsflyer, Adjust, and Singular for app attribution and analytics. - Plan and implement tagging strategies for comprehensive tracking. - Integrate MMPs with other analytics and marketing platforms. - Conduct QA and troubleshooting for accurate data attribution. - Provide insights on user acquisition, engagement, and retention. I am open to both short-term and long-term projects, dedicated to delivering high-quality results and actionable insights to enhance your app’s performance. Let’s work together to track and optimize your app’s success.
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    Data Collection
    KPI Metric Development
    C#
    Swift
    Kotlin
    Google Tag Manager
    Firebase
    Google Analytics 4
    Google Analytics
  • $33 hourly
    Experienced Fullstack Web Developer with a demonstrated history of working in the information technology and services industry with over 7 years of profession experience. ✔ Backend: Node.js, PHP- Laravel, Symfony, CakePHP, Ruby-RoR, C#-.Net, Python-Django, Haskell/Purescript/Clojure ✔ Frontend: Javascript & Typescript-React, Angular, Vue, Bootstrap/Jquery, Gatsby ✔ Database: MySQL, PostgreSQL, MongoDB, MSSQL ✔ Web Games: Phasor, Pixi, Canvas, WebGL ✔ DevOps: AWS, Azure, Digital Ocean ✔ CMS & CRM: Wordpress, Magento, Zoho, VTiger ✔ Dev Tools: Git, Gulp, Webpack, WebSocket, WebRTC PS: Strong engineering professional with a Bachelor of Engineering (B.E.) focused in Computer Engineering from Centro Universitário Central Paulista.
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    Haskell
    React
    Clojure
    PHP
    Angular
  • $16 hourly
    Hello, I'm Gustavo. A Javascript front-end Development specialist by UpWork (my certification is below on my profile). I specialize in responsive and mobile friendly websites development using HTML5/CSS3, JavaScript, TypeScript, React and Next.js, including sites for startup companies, small businesses and individuals. My goal is to help companies and people to enhance their services or products. Therefore I always focus on my customer necessity, in order to bring a practice, simple and modern solution. I can create a website from design concept to a completed, soft and clean site. I can also help maintaining and updating existent sites.
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    API
    Web Development
    styled-components
    Next.js
    Git
    CSS
    Website
    TypeScript
    Front-End Development
    HTML
    React
    Responsive Design
    HTML5
  • $10 hourly
    I’m a developer experienced in building websites for small and medium-sized businesses. Whether you’re trying to win work, list your services, or create a new online store, I can help.
    vsuc_fltilesrefresh_TrophyIcon JavaScript
    Problem Solving
    DevOps
    TypeScript
    Django
    Python
  • 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 Sao Carlos, on Upwork?

You can hire a JavaScript Developer near Sao Carlos, 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 Sao Carlos, 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 Sao Carlos, 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.