Frontend Developer (React) – Junior / Middle
Careerswift
- 勤務地
- Anywhere
- 掲載日
- 2026年10月5日
応募する前に、企業のウェブサイトで現在も募集中かどうかと詳しい条件を確認してください。
仕事内容
操作画面は日本語です。企業が掲載した求人の職種名や説明文は原文のまま表示され、英語の場合があります。
We are looking for a Frontend Developer (React) to join our growing engineering team. Whether you're a strong Junior ready to take the next step or a Middle-level developer looking for new challenges, we'd love to hear from you.
In this role, you'll work closely with designers, backend developers, and product managers to build intuitive, responsive, and high-performance web applications. You'll contribute to new feature development, improve user experience, and help maintain a scalable and maintainable frontend architecture.
Responsibilities
Develop and maintain modern web applications using React.
Build responsive, user-friendly interfaces based on UI/UX designs.
Collaborate with backend developers to integrate RESTful APIs and GraphQL services.
Write clean, reusable, and maintainable code following best practices.
Optimize application performance, accessibility, and responsiveness.
Debug, troubleshoot, and resolve frontend issues.
Participate in code reviews and contribute to improving development standards.
Stay up to date with modern frontend technologies and best practices.
Requirements
Junior Level
2+ years of commercial experience with React.
Good knowledge of JavaScript (ES6+) and/or TypeScript.
Understanding of HTML5, CSS3, and responsive web development.
Experience with Git and version control workflows.
Familiarity with REST APIs.
Basic understanding of component-based architecture.
Strong problem-solving skills and willingness to learn.
Good English communication skills.
Middle Level
4+ years of commercial frontend development experience.
Strong experience with React and modern JavaScript/TypeScript.
Experience with state management solutions (Redux, Zustand, Context API, etc.).
Experience integrating REST and/or GraphQL APIs.
Solid understanding of performance optimization and frontend best practices.
Experience with modern CSS solutions (Tailwind CSS, Styled Components, SCSS, Material UI, etc.).
Knowledge of testing frameworks (Jest, React Testing Library, Cypress) is a plus.
Ability to work independently and collaborate in an agile environment.
Nice to Have
Experience with Next.js.
Familiarity with CI/CD pipelines.
Experience with Docker.
Knowledge of accessibility (WCAG) standards.
Experience working with cloud platforms such as AWS, Azure, or GCP.
Understanding of modern frontend build tools (Vite, Webpack).
What We Offer
100% remote work with flexible working hours.
Opportunity to work on modern, scalable web applications.
Supportive and collaborative engineering team.
Professional growth and learning opportunities.
Competitive salary based on experience and skills.
Interesting international projects using modern technologies.
Compensation
$65000–$85000 for Junior level depending on experience and qualifications.
$90000-$115000 for Middle level depending on experience and qualifications.
Additional benefits and employment details will be discussed during the hiring process.
Equal Opportunity
CareerSwift is an equal opportunity employer. We consider all qualified applicants for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, or any other characteristic protected by applicable law.
Location: Remote
Seniority Level: Junior/Middle
Salary Range: 65,000 - 115,000 USD (gross, annually)