Senior UI – React Developer

at Cognizant Technology Solutions
Published November 26, 2023
Location Bellevue, WA
Category Default  
Job Type Full-time  


Senior UI - React Developer (Hybrid)

Cognizant Interactive

Cognizant is a strategic partner to the Fortune 2,000, helping the world's most influential companies to build software and solutions, empowering our clients' businesses and enabling their competitive advantages.

Cognizant Interactive helps clients reinvent products, experiences, and business models to create new value, and differentiation and drive revenue in the digital economy. We take an experience-centered approach that uses human insights to take ideas from vision to outcome and building end to experience solutions that enable brands to transform their customer and employee experiences using design, marketing, and commerce capabilities

Job Summary

Cognizant is looking for a Senior UI React Developer with five to eight years of experience in developing customized products for our clients. The role is expected to drive technology discussions and analyze the current landscape for gaps in addressing business needs. Cognizant needs a motivated individual to challenge the status quo and provide thought leadership/standard processes to enhance our current services and technologies.

An ideal candidate is someone who enjoys working in a fast-paced, collaborative environment. Someone who values the "team" and improves the opinions and expertise of their teammates to deliver quality.

You must be legally authorized to work in the United States without the need for employer sponsorship, now or at any time in the future

Cognizant will not sponsor H-1B or other U.S. work authorization for this role.

Location: Bellevue, Washington


  • In-depth knowledge of JavaScript, CSS, HTML5, and web standards (WAI-ARIA)
  • Building reusable components and front-end libraries for future use
  • Create quality mockups, and prototypes and come up with Design Documents
  • Design and develop new custom components to meet project requirements.
  • Experience using micro apps, resource bundles, webpack, redux, flux etc.
  • Experience in integrating the backend APIs with the front end.
  • Identifying web-based user interactions.
  • Troubleshooting interface software and debugging application codes.
  • Developing and implementing front-end architecture to support user interface concepts.
  • Monitoring and improving front-end performance.
  • Experience in analyzing and identifying the root cause of any production failure and documenting.


  • React.js Fundamentals: Proficient understanding of React.js and its core concepts. Knowledge of JSX syntax and the virtual DOM.
  • JavaScript and ES6: Strong proficiency in JavaScript, including ES6 features. Understanding of asynchronous programming and promises.
  • HTML and CSS: Solid understanding of HTML and CSS. Experience in creating responsive and visually appealing user interfaces.
  • Component-Based Architecture: Ability to design and implement React components following best practices. Understanding of component lifecycle methods.
  • State Management: Familiarity with state management in React applications. Experience with solutions like React Hooks, Context API, or state management libraries (e.g., Redux).
  • Routing:Knowledge of client-side routing in single-page applications using libraries like React Router.
  • API Integration: Experience working with RESTful APIs and integrating them into React applications. Understanding of asynchronous data fetching.
  • Version Control/Git: Proficient use of Git for version control. Understanding of branching, merging, and pull requests.
  • Responsive Design: Knowledge of responsive web design principles. Ensuring that UIs are optimized for various devices and screen sizes.
  • Debugging and Performance Optimization: Proficient in debugging React applications using browser developer tools. Ability to optimize application performance.
  • Testing: Experience with testing frameworks for React applications (e.g., Jest, Enzyme). Writing unit tests to ensure the reliability of components.
  • 5 to 8+ years of experience

The Salary rate for this position is between $72K - 130K, depending on the experience and other qualifications of the successful candidate.

This position is also eligible for Cognizant's discretionary annual incentive program, based on performance and subject to the terms of Cognizant's applicable plans.

Benefits: Cognizant offers the following benefits for this position, subject to applicable eligibility requirements:

  • Medical/Dental/Vision/Life Insurance
  • Paid holidays plus Paid Time Off
  • 401(k) plan and contributions
  • Long-term/Short-term Disability
  • Paid Parental Leave
  • Employee Stock Purchase Plan

Disclaimer: The salary rate, other compensation, and benefits information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.

Why Choose Cognizant?

It takes a lot to succeed in today's fast-paced market, and Cognizant Technology Solutions has become a leader in the industry. We love big ideas and even bigger dreams. We stand out because we put human experiences at the core.

Our associates enjoy robust benefits and training opportunities from our industry-recognized, award-winning Academy team. You will have access to hundreds of technical training to keep your skills fresh and have opportunities to obtain certifications in the newest technologies.

Everything we do at Cognizant we do with passion-for our clients, our communities, and our organization. It's the defining attribute that we look for in our people.

If you're comfortable with ambiguity, excited by change, and excel through autonomy, we'd love to hear from you!

Cognizant is recognized as a Military Friendly Employer and is a coalition member of the Veteran Jobs Mission. Our Cognizant Veterans Network Assists Veterans in building and growing a career at Cognizant that allows them to demonstrate the leadership, loyalty, integrity, and commitment to excellence instilled in them through participation in military service.

Cognizant is an equal-opportunity employer provider and is committed to creating a diverse environment. Cognizant considers all applicants without regard to race, creed, color, national origin, ancestry, age, marital and family status, disabilities, sexual orientation or preference, veteran status, or any other classification protected by state, federal, or local law.

About Cognizant

Headquartered in the U.S., Cognizant is a member of the S&P-500, Nasdaq-100, and Fortune 200, and was recently ranked as the Fastest-Growing "All-Star" by Fortune Magazine. Cognizant leverages a highly flexible business model, a seamless global delivery network, and deep domain expertise to deliver to a long list of world-class companies that are leaders in their own space.


Employee Status : Full Time Employee

Shift : Day Job

Travel : No

Job Posting : Nov

About Cognizant

Cognizant (Nasdaq-100: CTSH) is one of the world's leading professional services companies, transforming clients' business, operating and technology models for the digital era. Our unique industry-based, consultative approach helps clients envision, build and run more innovative and efficient businesses. Headquartered in the U.S., Cognizant is ranked 185 on the Fortune 500 and is consistently listed among the most admired companies in the world. Learn how Cognizant helps clients lead with digital at or follow Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.

Cognizant is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law.

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