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Montreal Oficial

Mid-Level Software Developer – Frontend

Montreal Oficial

. Build high-performance user interfaces for web applications.

Posted 9/18/2026full-timeRemote • BrazilMid-LevelSeniorWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in building high-performance user interfaces using React and TypeScript, with a strong focus on accessibility and performance optimization. Proficient in integrating with REST and GraphQL APIs while maintaining design systems and applying UX principles.

Highest-signal resume keywords
ReactTypeScriptAgile DevelopmentCore Web VitalsResponsive Design

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
User Interface DevelopmentVisual PrototypingMobile-First ApproachCSS-in-JSStyled ComponentsTailwindReduxZustandReact QueryEnd-to-End Testing
Tools & Technologies
ViteWebpackCypressPlaywrightSentryNew Relic
Industry Keywords
Information TechnologyDesign SystemsProgressive Web AppsTechnical SEOAccessibility

Tech Stack

Tools & technologies
CypressGraphQLJavaScriptReactReduxTypeScriptWebpack

About the role

Key responsibilities & impact
  • Build high-performance user interfaces for web applications.
  • Apply UX concepts, visual prototyping, and interface design principles.
  • Implement complex, responsive interfaces with a Mobile-First approach.
  • 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.
  • Produce the software deliverables expected from the Squad.

Requirements

What you’ll need
  • Completed higher education (technologist degree, bachelor's degree, and/or lato sensu postgraduate and/or stricto sensu graduate studies) in Information Technology or a related field.
  • Experience as a Mid-Level Software Developer and in agile development.
  • Experience with React and TypeScript.
  • Knowledge of Vite and Webpack.
  • Knowledge of CSS-in-JS, Styled Components, or Tailwind.
  • Knowledge of Redux, Zustand, and React Query.
  • Preferred: experience with end-to-end testing using Cypress or Playwright, technical SEO, and Progressive Web Apps (PWAs).
  • Preferred: knowledge of frontend monitoring tools such as Sentry or New Relic.
  • Preferred: knowledge of agentic AI, LLMs, and prompt engineering best practices.

Benefits

Comp & perks
  • A collaborative, respectful, and supportive work environment
  • Investment in talent development
  • This position is also open to people with disabilities