> Markdown version of [/jobs/ext/1256525-sr-applications-developer-react-js-developer](https://www.wearedevelopers.com/jobs/ext/1256525-sr-applications-developer-react-js-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Sr. Applications Developer (React.JS Developer) - **Company:** Avacend Inc - **Location:** Milwaukee, WI, United States - **Experience:** Expert - **Salary:** $153,088.0 - **Contract:** Temporary to permanent - **Skills:** JavaScript (Programming Language), Amazon Web Services, Application Performance Management, HTML5, Microsoft Azure, Browser Compatibility, Cascading Style Sheets (CSS), Github, JSON, Performance Tuning, Responsive Web Design, Software Engineering, TypeScript, Tailwind, ReactJS, Ios Frameworks, Git, Containerization, Webpack, Information Technology, Build Tools, Front End Software Development, React Redux, React Testing Library, Restful APIs, Es2015, Software Version Control, Docker, Jenkins - **Published:** July 13, 2026 - **Apply:** https://www.careerjet.com/jobad/us06d5fdf0df4847ab36d37b5c2de4a924 ## About the Role Bachelor's degree in computer science, Software Engineering, or a related field. Proven experience in React.js development with at least 3+ years of hands-on experience. Strong proficiency in JavaScript (ES6+), HTML5, CSS3, and modern front-end build tools (Webpack, Babel). Experience with state management libraries (Redux, Context API) and React hooks. Knowledge of version control systems (Git) and CI/CD tools (Jenkins, GitHub Actions). Understanding of responsive design principles and cross-browser compatibility. Excellent analytical and problem-solving skills with attention to detail. Strong communication skills and ability to work collaboratively in a team environment. Preferred Skills Experience with TypeScript and modern testing frameworks (Jest, React Testing Library). Familiarity with performance optimization techniques for React applications. Knowledge of UI frameworks like Material-UI, Chakra UI, or Tailwind CSS. Exposure to cloud platforms (AWS, Azure) and containerization (Docker) is a plus. Reason for Request: Requirements: Top 3 skills: React.js development , JavaScript (ES6+), HTML5, CSS3, State management libraries, TypeScript ## Description We are seeking a talented and highly motivated React Developer to join our team. In this role, you will be responsible for designing, developing, and maintaining dynamic and responsive web applications using React.js. Your expertise in front-end development will play a crucial role in delivering high-quality and engaging digital experiences to our users. Key Responsibilities Design, develop, test, and implement responsive web applications using React.js, ensuring seamless user experiences across devices and browsers. Collaborate with UX/UI designers to translate design mock-ups into interactive and visually appealing components. Build reusable components and front-end libraries for future use, optimizing for performance and scalability. Integrate RESTful APIs and third-party services into React applications using JSON and modern JavaScript practices. Implement state management solutions (e.g., Redux, Context API) to maintain application consistency. Ensure application performance, accessibility, and security best practices. Conduct thorough testing (unit, integration, and end-to-end) to ensure applications meet functional and performance requirements. Maintain clear and comprehensive technical documentation for React projects and codebases. Provide technical support and troubleshoot issues, ensuring timely resolution of problems. Work closely with cross-functional teams, including designers, back-end developers, product owners, and project managers, to deliver successful projects., We are seeking a talented and highly motivated React Developer to join our team. In this role, you will be responsible for designing, developing, and maintaining dynamic and respon… + 4 hours ago + Apply easily, Role: React Developer Location: 1201 SOUTH SECOND ST, Milwaukee, Wisconsin / Remote Duration: 5 months Pay Rate: $70 W2 and $75 C2C. 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