About us:

First Line Software is a global outsourcing company that partners with top-tier clients worldwide to deliver high-quality software solutions. For this opportunity, you will be working with a US-based digital agency, contributing to multiple web development projects using Optimizely and modern frontend technologies.

As a Senior Frontend Developer, you will collaborate on various projects, focusing on building and maintaining high-performance, scalable web applications. Your role will involve working with Optimizely to develop dynamic, responsive, and personalized user experiences, while collaborating with other teams to ensure seamless integration and performance.

Your responsibilities:

Develop and maintain frontend features for Optimizely-driven web applications.
Collaborate with backend developers and designers to improve user experience.
Implement Optimizelys tools to create dynamic and personalized web features.
Optimize web pages for maximum speed, scalability, and responsiveness across devices.
Troubleshoot and debug frontend issues across different browsers and platforms.
Ensure the technical feasibility of UI/UX designs and maintain best practices.
Keep up to date with new web technologies, trends, and React best practices.

Requirements:

5+ years of proven experience as a React frontend developer.
Proficiency in HTML5, CSS3, and CSS preprocessors (e.g., SASS, LESS).
Hands-on experience with Optimizely.
Expertise in JavaScript and working with RESTful APIs and JSON.
Familiarity with version control using Git.
Experience with build tools such as Webpack, Gulp, or Grunt.
Understanding of cross-browser compatibility issues and responsive design principles.
Familiarity with TypeScript and state management libraries (e.g., Redux, MobX, Recoil).
Knowledge of GraphQL and Next.js or other server-side rendering frameworks.
Experience with testing frameworks (e.g., Jest, Mocha).
Familiarity with A/B testing and experimentation frameworks.
Experience with CI/CD pipelines (e.g., Jenkins, CircleCI).
Exposure to cloud platforms like AWS or Azure, and serverless architecture.

The FLS Difference:

Our modern stack projects are the right mix of exciting and challenging.
Gain access to our diverse range of training programs, courses, and certifications.
Choose your work style-remote, on-site, or hybrid in one of our stunning offices. We offer the freedom of flexible working hours.
Enhance your language skills with our corporate English classes.
Work from anywhere and explore the world with our Workation program.
Be part of a supportive, innovative culture that values your growth and success.

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Sr Frontend Optimizely Developer