Senior Frontend Developer

cVortex

Senior Frontend Developer responsible for designing and maintaining distributed systems with a focus on performance. Collaborate with cross-functional teams for robust solutions in a growing technology environment.

Posted 6/27/2026full-timeRemote • BrasilSeniorWebsite

Tech Stack

Tools & technologies

GraphQLJavaScriptNode.jsReactTypeScriptWebpack

About the role

Key responsibilities & impact

Design, implement, and maintain distributed systems in C/C++ with a focus on performance, security, and scalability, ensuring business SLAs.
Perform code reviews and define code quality standards.
Diagnose and fix performance issues, memory leaks, and concurrency problems, supporting the support team as needed.
Train team members when necessary.
Collaborate with product, QA, and infrastructure teams to deliver robust solutions.
Document technical decisions and processes.

Requirements

What you’ll need

5+ years of experience with JavaScript, CSS, and HTML.
Strong knowledge of React, TypeScript, and Styled Components.
Experience with REST APIs and GraphQL.
Experience with unit testing.
Ability to write clean, modern, testable, and well-documented code.
Experience with medium to large, complex applications.
Experience with tooling (Webpack, CRA, Node.js, etc.).

Benefits

Comp & perks

🌐 Worldwide ❌ Jobs You've Hidden ⭐️ Saved Jobs ✅ Applied Jobs ✉️ Email Alerts 👤 Account cVortex Website LinkedIn All Job Openings 51 - 200 employees ☁️ SaaS 🤖 Artificial Intelligence 🤝 B2B SaaS
Artificial Intelligence
B2B cVortex is an omnichannel customer service platform that centralizes and automates customer interactions across WhatsApp, Facebook/Instagram, Telegram, email, voice and other channels. The company combines AI-powered chatbots, workflow automation and a Copilot assistant to create conversational flows, automate responses, route tickets, and provide real-time analytics and reporting. cVortex is a Meta/WhatsApp Business API partner and offers integrations, implementation and national support for enterprises in sectors like finance, healthcare, education and ISPs. Senior Frontend Developer 🔥 29 minutes ago ⏰ Full Time 🟠 Senior 💻 Frontend Engineer / Web Developer 🗣️🇧🇷🇵🇹 Portuguese Required GraphQL JavaScript Node.js React TypeScript Webpack Apply Now Find Hiring Managers Customize resume + cover letter Report problem ☆ Save ☑️ Mark as applied ❌ Hide 📋 Description
Design, implement, and maintain distributed systems in C/C++ with a focus on performance, security, and scalability, ensuring business SLAs.
Perform code reviews and define code quality standards.
Diagnose and fix performance issues, memory leaks, and concurrency problems, supporting the support team as needed.
Train team members when necessary.
Collaborate with product, QA, and infrastructure teams to deliver robust solutions.
Document technical decisions and processes. 🎯 Requirements
5+ years of experience with JavaScript, CSS, and HTML.
Strong knowledge of React, TypeScript, and Styled Components.
Experience with REST APIs and GraphQL.
Experience with unit testing.
Ability to write clean, modern, testable, and well-documented code.
Experience with medium to large, complex applications.
Experience with tooling (Webpack, CRA, Node.js, etc.). Apply Now 📊 Check your resume score for this job Improve your chances of getting an interview by checking your resume score before you apply. Check Resume Score Similar Jobs Mid-level Full-Stack Developer – Front-end Focus 🔥 3 hours ago Buzzmonitor 51 - 200 ☁️ SaaS 🤝 B2B 🤖 Artificial Intelligence Website LinkedIn All Job Openings Dev Pleno focused on Front-end (Next.js/React) at Buzzmonitor, a tech firm innovating social listening. Open to Junior-advanced with back-end aspirations. ⏰ Full Time 🟡 Mid-level 🟠 Senior 💻 Frontend Engineer / Web Developer 🗣️🇧🇷🇵🇹 Portuguese Required Django JavaScript Next.js React TypeScript Frontend Software Engineer 🔥 6 hours ago Wave by Bemobi 51 - 200 📡 Telecommunications ☁️ SaaS 🤝 B2B Website LinkedIn All Job Openings Frontend Software Engineer developing web applications using React and TypeScript. Working in a remote team at Wave, focused on agile development and best practices. ⏰ Full Time 🟡 Mid-level 🟠 Senior 💻 Frontend Engineer / Web Developer 🗣️🇧🇷🇵🇹 Portuguese Required GraphQL JavaScript Next.js React TypeScript Test Position – React 🕒 Yesterday Grupo Bimbo 10,000+ employees 👥 B2C 🛒 Retail Website LinkedIn All Job Openings Gupy is a startup looking for a React Developer. The role involves user support, KPI management and collaboration with tech teams. ⏰ Full Time 🟡 Mid-level 🟠 Senior 💻 Frontend Engineer / Web Developer 🗣️🇧🇷🇵🇹 Portuguese Required Desenvolvedora Fullstack, Node/React – Especialista I 🕒 2 days ago Grupo Boticário 10,000+ employees 💄 Beauty 🛒 Retail 🧘 Wellness Website LinkedIn All Job Openings Desenvolver APIs REST e interfaces web para o Grupo Boticário usando Node.js e React. Colaborar com times multifuncionais para aumentar a eficiência das operações de beleza. ⏰ Full Time 🟡 Mid-level 🟠 Senior 💻 Frontend Engineer / Web Developer AWS Cloud Cypress Docker Google Cloud Platform GraphQL JavaScript Jest Kubernetes Mocha Node.js NoSQL React Redux SQL Analista de Sistemas Pleno, React Js 🕒 June 15 Riachuelo 10,000+ employees 🛒 Retail 👗 Fashion 🛍️ eCommerce Website LinkedIn All Job Openings Analista de Sistemas Pleno developing front-end applications using React Js for Riachuelo, responsible for coding in Java/SpringBoot and implementing APIs and microservices. ⏰ Full Time 🟡 Mid-level 🟠 Senior 💻 Frontend Engineer / Web Developer 🗣️🇧🇷🇵🇹 Portuguese Required Apache AWS Azure Java JavaScript React Spring Boot SpringBoot View More Frontend Engineer Jobs 🌐 Worldwide Built by Lior Neu-ner. I'd love to hear your feedback — Get in touch via DM or support@remoterocketship.com Search Search Jobs by country Search jobs by city Search jobs by job title Search entry-level jobs Search junior-level jobs Search senior-level jobs Search jobs by tech stack Search jobs by contract type Search remote internships Search remote part-time jobs Remote jobs Anywhere in the World Companies Hiring Anywhere in the World Companies Hiring Sales People Anywhere in the World Companies Hiring Software Engineers Anywhere in the World Resources Advice Tips for finding remote jobs Interview questions and answers Resume examples Cover letter examples Post a job Affiliates Privacy policy Terms of service Job board SEO course AI Apply Copilot OpenClaw job finder Jobs by Country Remote jobs anywhere in the world (Worldwide remote jobs) Remote jobs United States Remote jobs Australia Remote jobs Brazil Remote jobs Canada Remote jobs France Remote jobs Ireland Remote jobs Germany Remote jobs Netherlands Remote jobs Spain Remote jobs UK Popular Jobs Remote data analyst jobs Remote customer support jobs Remote executive assistant jobs Remote marketing jobs Remote product designer jobs Remote product manager jobs Remote project manager jobs Remote recruiter jobs Remote sales jobs Remote software engineer jobs Jobs by Type Remote full-time jobs Remote part-time jobs Remote contract jobs Remote internship jobs Remote entry-level jobs Remote jobs with no experience required Remote junior jobs (1-3 years of experience) Digital nomad jobs Remote jobs with no degree required Freelance remote jobs Temporary remote jobs Remote jobs hiring now Stay at home mom jobs

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Hard Skills & Tools

CC++JavaScriptCSSHTMLReactTypeScriptStyled ComponentsREST APIsGraphQL

Soft Skills

code reviewstrainingcollaborationdocumentation