Senior React Engineer

Há 19 horas


Rio de Janeiro, Brasil Ranger Technical Resources Tempo inteiro

Sr Front End Engineer #2487Position Summary:Our partner, a leading SaaS provider of unified IT operations solutions, is seeking a Senior Front-End Engineer to join their team. As a Senior Engineer, you will bring technical expertise to the end-to-end design and development of innovative products and applications. We’re looking for a motivated, passionate engineer with strong experience in React and modern front-end technologies to join the team. Your contributions will be pivotal in shaping our digital products, with a focus on UI/UX design principles, user experience, and best software engineering practices. This role presents a fantastic opportunity to innovate and drive change, with the chance to directly impact products used by diverse, global customers.Experience and Education:Bachelor’s degree in Computer Science, Computer Engineering, or a related field (or equivalent experience).7+ years of hands-on experience in front-end enterprise software development, with a strong emphasis on JavaScript, CSS and React.Proven track record of component-based user interface development experience, including how to construct and deconstruct components to create composable and reusable UI Elements.Solid experience with accessibility, internationalization, adaptive UI, responsive design, and other core UX considerations.Technology Skills and Strengths:ReactTypeScript/JavaScriptCSSDesign System Software (Figma, Storybook, and others)UI/UX Core Design PrinciplesAWS or other major cloud platformsTest-Driven Development (Jest, React Testing Library, Cypress, Playwright, Selenium, and others)Advanced Architecture Principles (DDD, event-driven systems)Containerization: Docker, KubernetesPerformance Optimization (profiling, load balancing, refactoring)Cloud Architecture & Scalability best practicesGIT Source ControlPrimary Job Responsibilities:Architect, build, and maintain complex front-end applications using React and TypeScript, ensuring scalable, maintainable, and high-performance solutions.Own the full lifecycle of features from technical scoping and UX collaboration, through implementation, deployment, monitoring, and iterative improvement.Design and implement reusable component libraries, UI patterns, and internal design systems that can be shared across teams and projects.Collaborate closely with product managers, designers, and back-end engineers to shape user-facing features, influence API design, and deliver polished, intuitive user experiences.Drive application performance improvements by proactively profiling, identifying bottlenecks, optimizing rendering patterns, and improving load times.Implement modern testing strategies unit, integration, and end-to-end tests using tools like Jest, React Testing Library, and Cypress to ensure product reliability and prevent regressions.Ensure accessibility best practices are built into every component and page, delivering inclusive experiences across a diverse range of users and devices.Handle front-end deployments via modern CI/CD pipelines, managing build optimizations, preview environments, and release tracking.Uphold high coding standards through thoughtful code reviews, constructive feedback, and occasional mentorship of mid-level and junior engineers.Continuously advocate for front-end quality, scalability, security, and best practices, helping shape architectural decisions and team engineering culture.Stay current with evolving front-end technologies and frameworks (React 18+, Next.js, modern state management), and bring forward ideas to keep products modern, performant, and developer friendly.



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