Front-End Developer, Senior

SysMap Solutions

Desenvolvedor Front-End SR at Grupo SysMap focusing on high-quality web and mobile applications. Involves collaboration with multidisciplinary teams and ensuring UI/UX best practices.

Posted 5/13/2026full-timeRemote • 🇧🇷 BrazilSeniorWebsite

Tech Stack

Tools & technologies

AndroidAngularAWSFirebaseFlutterGraphQLIoTJavaScriptKotlinNext.jsNode.jsReactReact NativeTypeScriptVue.js

About the role

Key responsibilities & impact

Work on the development and evolution of Web and Mobile applications with a focus on high-quality Front-End;
Build modern, responsive, high-performance interfaces following UI/UX best practices and user experience principles;
Collaborate with multidisciplinary teams (Product, UX, Back-End, QA) in an agile environment;
Actively participate in technical decisions, front-end architecture and the definition of coding standards;
Ensure quality through automated testing, version control and CI/CD pipelines;
Contribute to the maintenance, optimization and scalability of the applications;
Support integrations with APIs, cloud services and mobile/IoT devices when required.

Requirements

What you’ll need

Solid experience in Front-End development for Web and Mobile;
Strong proficiency in JavaScript/TypeScript, Node.js and modern frameworks (React, Angular, Vue, Next.js or similar);
Experience with React Native and the full app store publishing cycle;
Experience with REST/GraphQL APIs, automated testing, CI/CD and Git;
Familiarity with AWS, Firebase and build tools;
Good understanding of UI/UX best practices, responsive design and a mobile-first approach;
Experience working in agile teams;
Additional knowledge of Android/Kotlin, Flutter, IoT, databases and advanced testing will be considered a plus.

Benefits

Comp & perks

Position also open to candidates with disabilities (PWD)

ATS Keywords

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Hard Skills & Tools

Front-End developmentJavaScriptTypeScriptNode.jsReactAngularVueNext.jsReact NativeREST APIs

Soft Skills

collaborationagile methodologytechnical decision-makingcoding standardsquality assuranceproblem-solvingcommunicationuser experience principlesteamworkadaptability