Senior React Developer (On Site)

Cognizant • Washington, DC • 1h ago

As a Senior React Developer, you will make an impact by contributing to the architecture and design of software systems, ensuring scalability and maintainability. You will be a valued member of the Digital Engineering team and work collaboratively with the manager and stakeholders.

Important Disclaimers:

**Please note: A few of our roles may require in-person interviews at Cognizant offices or client locations, depending on project or client needs.

Candidate must be legally authorized to work in the United States without the need for employer sponsorship, now or at any time in the future. Please note, this role is not able to offer visa transfer or sponsorship now or in the future*

In this role, you will:**

Develop React UI components in collaboration with stakeholders, ensuring scalability, modularity, and maintainability.

Clearly communicate critical UI design decisions, define requirements and constraints, and provide input for project effort estimation.

Design and implement micro front-end architectures for seamless integration across components and services.

Establish UI strategies for new features, ensuring rollout plans are safe, progressive, and reversible.

Decompose monolithic UIs into smaller, independently deployable units.

Coordinate communication and data sharing between micro front-end components.

Apply asynchronous service patterns where appropriate.

Leverage deep understanding of business processes and organizational complexities to guide solution design.

Deliver solutions that are practical, flexible, resilient, scalable, reusable, and aligned with strategic goals.

Advocate for component-based development to promote reusability and consistency.

Build and maintain UI pattern libraries for cross-product use.

Ensure compliance with established UI guidelines and standards.

Implement best practices for optimizing JavaScript, CSS, and HTML.

Contribute to the development of reusable UI frameworks, methodologies, and deliverables.

Utilize REST API calls via libraries like Axios and apply patterns such as Promises.

Address daily technical challenges and escalate risks or issues to management promptly.

Stay current with emerging technologies and tools to enhance IT development and delivery.

Incorporate security best practices and standards into all UI design

Work model : On Site

Location : Washington, DC

At Cognizant, we strive to provide flexibility wherever possible, and we are here to support a healthy work-life balance though our various wellbeing programs. Based on this role's business requirements, this is an onsite position requiring 5 days a week in a client or Cognizant office in Washington DC.

The working arrangements for this role are accurate as of the date of posting. This may change based on the project you're engaged in, as well as business and client requirements. Rest assured; we will always be clear about role expectations.

What you need to have to be considered:

About 10+ years of experience in designing and developing React based micro front-end development and solutions

Proficiency in React and related UI technologies

Good experience in developing web applications using HTML5, JQuery, CSS3, ReactJS and JavaScript for UI components.

Proven track record of building large-scale, production-grade UI applications

Familiarity with micro front-end patterns (e.g., single-spa, module federation)

Good experience to use GenAI tools (Ex. Github copilot)

Strong understanding of responsive design principles.

Proficiency in at least one wireframing/prototyping tool (e.g., Axure, Omnigraffle).

Command over DOM manipulation and performance optimization.

Ability to deliver functionality incrementally adopting agile practices

Experience with version control systems (e.g., Git)

Excellent problem-solving skills.

Strong communication and collaboration abilities.

Familiarity with micro-frontends, implementing microservices and container-based architectures and deployments (e.g., Docker, Cloud Foundry, Kubernetes).

Strong teamwork and interpersonal skills and the ability to communicate with all management levels.

Able to take personal responsibility and accountability for timely response to client queries, requests or needs, working to remove obstacles that may impede execution or overall success

-- We're excited to meet people who share our mission and can make an impact in a variety of ways. Don't hesitate to apply, even if you only meet the minimum requirements listed. Think about your transferable experiences and unique skills that make you stand out as someone who can bring new and exciting things to this role.

Salary and Other Compensation:

Applications will be accepted until 12/30/2025.

The annual salary for this position is between $68K - $135K depending on 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, 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.

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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