Mid-Level Software Developer – Frontend

Montreal Oficial

. Build high-performance user interfaces with excellent usability, accessibility, and visual experience consistency.

Posted 10/22/2026full-timeGoiânia • BrazilMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in building high-performance user interfaces with a focus on usability, accessibility, and visual consistency. Proficient in integrating complex interfaces with REST and GraphQL APIs while applying modern frontend technologies and methodologies.

Highest-signal resume keywords

ReactTypeScriptAgile DevelopmentCSS-in-JSResponsive Interface Design

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

User Interface DevelopmentVisual PrototypingPerformance OptimizationDesign Systems MaintenanceMobile-First ApproachEnd-to-End TestingTechnical SEOProgressive Web AppsReduxZustand

Tools & Technologies

ViteWebpackStyled ComponentsTailwindCypressPlaywrightSentryNew Relic

Industry Keywords

Core Web VitalsFrontend MonitoringAgentic AILLMsPrompt Engineering

Tech Stack

Tools & technologies

CypressGraphQLJavaScriptReactReduxTypeScriptWebpack

About the role

Key responsibilities & impact

Build high-performance user interfaces with excellent usability, accessibility, and visual experience consistency.
Apply UX concepts, visual prototyping, and interface design principles.
Implement complex, responsive interfaces.
Continuously optimize performance based on Core Web Vitals metrics.
Ensure the accessibility of developed interfaces.
Create components and maintain Design Systems.
Integrate interfaces with REST and GraphQL APIs.
Implement layouts with a Mobile-First approach.
Produce the software artifacts to be delivered by the Squad.

Requirements

What you’ll need

Completed higher education (technology degree, bachelor’s degree, and/or lato sensu postgraduate and/or stricto sensu graduate studies) in Information Technology.
Experience as a Mid-Level Software Developer and in agile development.
Experience with React and TypeScript.
Experience with Vite and Webpack.
Experience with CSS-in-JS, Styled Components, or Tailwind.
Experience with Redux, Zustand, and React Query.
Knowledge of end-to-end testing with Cypress or Playwright, technical SEO, and Progressive Web Apps (PWAs) is desirable.
Knowledge of frontend monitoring tools, such as Sentry or New Relic, is desirable.
Knowledge of Agentic AI, LLMs, and prompt engineering best practices is desirable.