Staff Engineer – Senior

FCamara Consulting & Training

. Develop and enhance features in React Native (iOS and Android), as well as web applications using React and Vue.js .

Posted 10/23/2026full-timeRemote • BrazilSeniorWebsite

Core Competencies

Role fit

Core Competencies

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

Demonstrates expertise in developing and enhancing applications using React Native, React, and Vue.js, with a strong focus on unit testing, code quality, and architectural best practices. Proven ability to collaborate effectively in cross-functional teams within a fintech environment.

Highest-signal resume keywords

React Native DevelopmentTypeScript ProficiencyUnit Testing with JestVue.js ExperienceCI/CD Knowledge

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

React DevelopmentVue.js DevelopmentTypeScriptUnit TestingReact HooksContext APIState ManagementClean Code PrinciplesSOLID PrinciplesFirebase

Soft Skills

CollaborationProblem-SolvingTechnical Refinement

Tools & Technologies

GitJestTesting LibraryCI/CD ToolsFirebase Remote ConfigFirebase Realtime Database

Industry Keywords

FintechFinancial PlatformsFeature-Based Architecture

Tech Stack

Tools & technologies

AndroidFirebaseiOSJavaScriptJestReactReact NativeTypeScriptVue.js

About the role

Key responsibilities & impact

Develop and enhance features in React Native (iOS and Android), as well as web applications using React and Vue.js
Participate in the entire development lifecycle, including technical refinement, implementation, code reviews, and releases
Write and maintain unit tests, ensuring adequate coverage of critical application flows
Contribute to architecture decisions and development best practices within the squad
Identify opportunities for improvement and continuously reduce technical debt
Collaborate with cross-functional teams in a distributed development environment

Requirements

What you’ll need

3+ years of production experience with React Native and/or React
Advanced knowledge of TypeScript, including advanced typing, generics, and development best practices
Experience writing unit tests using Jest and Testing Library
Solid knowledge of React Hooks, the Context API, and state management
Experience with Git, participation in code reviews, and collaborative work
Ability to work simultaneously on mobile and web projects
Experience with Vue.js, particularly the Composition API
Experience working on fintech or financial platform projects
Knowledge of Clean Code and SOLID principles applied to front-end development
Experience with Firebase (Remote Config and Realtime Database)
Knowledge of CI/CD for mobile and web applications
Familiarity with Package-by-Feature architecture (Feature-Based Architecture)

Benefits

Comp & perks

Work on real-world products used daily by thousands of users, with a direct impact on the business
Collaborative technical environment focused on quality, code reviews, and knowledge sharing
Autonomy to propose improvements, evolve architectures, and influence technical decisions
Modern, continuously evolving technology stack, with opportunities to learn across different development contexts