Senior Node.js Developer

About the roleAs a Node.js Developer, you will make an impact by building and maintaining scalable, secure, and high-performance backend services that support modern web applications. You will be a valued member of a cross-functional engineering team working in a modern, cloud-native environment, collaborating closely with frontend, QA, product, and DevOps partners across a distributed team.Our frontend applications are built in React, backend services are developed in Node.js, and both leverage modern JavaScript with Jest for unit testing. We follow a continuous integration and continuous deployment (CI/CD) model, ship in small, frequent increments, and deploy applications and services to the Azure Cloud.7- 8+ years of IT.

In this role, you will:Design, develop, test, and maintain backend services and REST/GraphQL APIs using Node.js frameworks such as Express, NestJS, or FastifyImplement business logic, data validation, and error handling with a focus on performance, scalability, and reliabilityBuild and maintain integrations with third-party services such as payments, messaging, identity, and analytics platformsWork with SQL and/or NoSQL databases to design schemas, write efficient queries, and optimize performanceCollaborate closely with frontend engineers building React-based web applications to define API contracts and resolve end-to-end issuesWrite unit and integration tests using Jest and participate in code reviews to ensure quality and maintainabilityApply security best practices, including authentication, authorization, OWASP considerations, and secrets managementContribute to CI/CD pipelines, feature flags, automated testing, vulnerability scanning, and deployment processesMonitor, debug, and resolve production issues in Azure-hosted environmentsCreate and maintain technical documentation for APIs, services, and operational runbooks

Work modelWe believe hybrid work is the way forward as we strive to provide flexibility wherever possible. Based on this role's business requirements, this is a hybrid position requiring a set number of days per week in a client or Cognizant office in Louisville, KY or Dallas, TX. The working arrangements for this role are accurate as of the date of posting and may change based on project or business requirements. Rest assured, we will always be clear about role expectations.Please note: This role will require an in-person meet and greet at our Cognizant offices or client location.

What you must have to be consideredHands-on experience developing backend services and APIs using Node.js (Express, NestJS, Fastify)Strong experience designing and consuming RESTful and/or GraphQL APIsProficiency with modern JavaScript and backend development best practicesExperience working with SQL and/or NoSQL databases, including schema design and performance optimizationExperience writing unit and integration tests using Jest or similar testing frameworksFamiliarity with CI/CD pipelines, automated testing, and modern deployment practicesUnderstanding of backend security fundamentals, including authentication, authorization, and OWASP guidelinesStrong debugging, problem-solving, and collaboration skills

These will help you stand outExperience partnering with React-based frontend teamsExperience deploying and operating applications in the Azure CloudFamiliarity with feature flags, vulnerability scanning, and production monitoringExperience working in distributed, global teamsBackground supporting high-availability, customer-facing systemsCognizant will only consider applicants for this position who are legally authorized to work in the United States without requiring company sponsorship now or at any time in the future.Applications will be accepted until March 24th, 2026.Salary and Other Compensation:The annual salary for this position is between $68,422 to $114,000 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 PlanDisclaimer: 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.