Mid-Level/Senior Frontend Developer

Finaya

. Develop features using React Native and React Web .

Posted 9/29/2026full-timeBarueri • BrazilSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in React and React Native development, with a strong focus on implementing design systems and integrating APIs. Proficient in automated testing and familiar with AI coding tools, contributing to continuous product evolution in a client-focused environment.

Highest-signal resume keywords

React Native DevelopmentTypeScriptAutomated TestingGit and Pull Request WorkflowsCI/CD

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

React DevelopmentReact Native DevelopmentTypeScriptAutomated TestingAPI IntegrationCode ReviewUnit TestingIntegration TestingBackend DevelopmentDesign Systems

Soft Skills

OwnershipCritical ThinkingCollaborationProblem SolvingCommunication

Tools & Technologies

GitAI Coding ToolsNode.jsREST APIs

Industry Keywords

FintechFinancial ProductsAccessibility

Tech Stack

Tools & technologies

Node.jsReactReact NativeTypeScript

About the role

Key responsibilities & impact

Develop features using React Native and React Web
Implement interfaces following the design system and team standards
Integrate with APIs and backend services
Use AI to accelerate repetitive tasks and code generation
Maintain and enhance existing code
Write tests for your own code (unit and integration)
Test on devices before marking work as ready
Review colleagues’ code with a critical and constructive perspective
Identify and fix issues before they reach users
Participate in discovery and product discussions
Understand the context of the client and end user
Propose technical and UX improvements
Contribute to the product’s continuous evolution
Work in product/client-focused squads
Perform frequent deployments in an environment without a dedicated QA team

Requirements

What you’ll need

Solid experience with React or React Native
TypeScript
Comfortable with Git and pull request workflows
Experience with automated testing
Familiarity with AI coding tools
Willingness to learn the other stack (React ↔ React Native)
Ownership — able to work without constant supervision
Experience in fintech or financial products (a plus)
Knowledge of accessibility (a plus)
Experience with design systems (a plus)
Familiarity with backend development (Node.js, REST APIs) (a plus)
Experience with CI/CD (a plus)

Benefits

Comp & perks

Competitive salary
Equipment provided (Mac and device for testing)
Flexible working hours
Opportunities to grow with the company