Senior Front End Engineer

ZipRecruiter; Paramus (NJ); Remote; USD 100,000 - 140,000; Full time

Job summary

A leading digital innovation agency is seeking a Senior Front-End Engineer with expertise in JavaScript and React. The role involves leading the development of scalable front-end solutions for high-profile projects, collaborating with cross-functional teams, and optimizing application performance. This contract position offers remote work flexibility and requires candidates to be located in the US.

Benefits

Work on innovative, high-impact projects

Supportive and collaborative team environment

Flexibility of remote work

Qualifications

• 5+ years of professional experience as a front-end engineer.
• Proven expertise in building scalable front-end architectures with React.
• Strong understanding of front-end performance optimization techniques.

Responsibilities

• Lead the design, development, and implementation of user-facing features using React and JavaScript.
• Collaborate with designers and back-end engineers to create seamless interfaces.
• Conduct code reviews to maintain high coding standards.

Skills

React

JavaScript

Accessibility standards

Front-end performance optimization

CSS frameworks

Git workflows

Problem-solving

Job description

Job Description

About ROSE

ROSE is an award-winning digital innovation agency focused on helping leading brands leverage cutting-edge technology to innovate and delight their customers. As one of the INC 5000 fastest-growing private companies and the fastest-growing Black-owned digital agency in the US, we pride ourselves on the quality of our work and partnerships with our clients.

We've used WebAR to launch a new shoe line for Adidas for over 110m viewers, rebuilt the technology powering the New York Lottery, helped Patrón bring gifting into the metaverse, and collaborated with Leonardo DiCaprio and Re:wild to rewild the world. Our team has won multiple Webby and Shorty awards, been featured in Vogue, WWD, and Harper's Bazaar, and most importantly, enjoyed the work we do. Our mission is to create the most innovative digital agency of our time by serving as our clients' guide and partner in digital innovation.

About This Position

We are seeking a Senior Front-End Engineer with deep expertise in JavaScript and React to join our Engineering team. In this role, you will lead the development of robust and scalable front-end solutions for high-profile projects. You’ll collaborate with cross-functional teams to build exceptional user interfaces, optimize application performance, and drive innovation across various client initiatives.

This is a contract position with remote work flexibility. Candidates must be located and authorized to work in the US.

Responsibilities

1. Lead the design, development, and implementation of user-facing features using React and JavaScript.
2. Collaborate with designers and back-end engineers to create seamless, responsive, and accessible interfaces.
3. Architect and maintain reusable components and front-end libraries to ensure consistency and scalability across projects.
4. Optimize application performance by profiling and addressing bottlenecks in rendering and data-fetching processes.
5. Build and integrate APIs, ensuring robust data flow and state management using tools like Redux or Context API.
6. Ensure cross-browser and cross-device compatibility through thorough testing and debugging.
7. Conduct code reviews to maintain high coding standards and mentor junior front-end engineers.
8. Work with stakeholders to translate business requirements into technical solutions, ensuring timely delivery of features.
9. Stay updated on the latest developments in front-end technology, proposing and implementing innovations to improve workflows and solutions.
10. Implement best practices in front-end development, including accessibility (WCAG standards), responsive design, and secure coding.

Qualifications

• 5+ years of professional experience as a front-end engineer, with a focus on React and modern JavaScript (ES6+).
• Proven expertise in building scalable and maintainable front-end architectures with React.
• Strong understanding of front-end performance optimization techniques and tools like Lighthouse, Webpack, and Vite.
• Experience with state management tools such as Redux, Context API, or MobX.
• Familiarity with building and consuming RESTful and GraphQL APIs.
• Deep understanding of accessibility standards (WCAG 2.1 or higher) and best practices for inclusive user interfaces, including experience with screen readers, ARIA roles, and keyboard navigation.
• Experience with CSS frameworks like Tailwind, Styled Components, or SCSS to implement responsive and accessible designs.
• Proficient in Git workflows, including branching, merging, and code reviews.
• Experience with testing frameworks like Jest, React Testing Library, or Cypress.
• Solid understanding of front-end security practices, such as XSS prevention and secure data handling.
• Excellent communication skills for technical and non-technical audiences.
• Strong problem-solving skills and adaptability to unexpected challenges.
• Experience with CI/CD pipelines and tools like CircleCI is a plus.

Additional Qualifications

• Familiarity with server-side rendering and frameworks like Next.js.
• Experience working in fast-paced agency environments or on enterprise-level projects.
• Exposure to cloud platforms like AWS for front-end deployments.

Why Join ROSE?

• Work on innovative, high-impact projects with globally recognized brands.
• Be part of a supportive, collaborative, and creative team.
• Enjoy the flexibility of remote work while contributing to cutting-edge solutions.

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