Mid-Level Frontend Engineer (React.js) - 4 Months - Remote - Octopus by RTG

About the Role

We are looking for a Mid-Level Frontend Engineer with strong experience in building scalable, customer-facing web applications using  React.js  and  Next.js . The ideal candidate has experience working on production applications, collaborating with cross-functional teams, and writing clean, maintainable, and performant code.

Responsibilities

• Develop and maintain modern web applications using React.js and Next.js.

• Build responsive, reusable, and accessible UI components.

• Collaborate with designers, backend engineers, and product teams to deliver new features.

• Optimize application performance, Core Web Vitals, and user experience.

• Integrate REST APIs and GraphQL services.

• Implement state management solutions such as Redux Toolkit or TanStack Query.

• Participate in code reviews and maintain high code quality.

• Troubleshoot production issues and monitor application performance.

• Contribute to frontend architecture and reusable component libraries.

• Follow Agile development practices and participate in sprint planning.

Requirements

• 3–5 years of frontend development experience.

• Strong experience with  React.js .

• Good experience with  Next.js .

• Strong knowledge of JavaScript (ES6+) and TypeScript.

• Solid understanding of HTML5, CSS3, and responsive design.

• Experience with Tailwind CSS or Bootstrap.

• Experience consuming REST APIs and/or GraphQL.

• Familiarity with state management using Redux Toolkit, Redux, or TanStack Query.

• Experience using Git.

• Understanding of frontend architecture and reusable component design.

• Good problem-solving and debugging skills.

• Very Good English communication skills.

Tech Stack

• React.js

• Next.js

• JavaScript (ES6+)

• TypeScript

• HTML5

• CSS3

• Tailwind CSS

• Redux Toolkit

• TanStack Query

• REST APIs

• GraphQL

• Git

• Jest

• React Testing Library

• Docker

• AWS (nice to have)

• Sentry

• CI/CD