Cognizant

Sr Full Stack Engineer (React.js / Node.js)

Cognizant$75K — $135K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Strong experience developing full-stack applications with React.js and Node.js.
  • Hands-on expertise in backend frameworks like NestJS, Express, or Fastify.
  • Proven experience in building and managing Docker containerized applications.
  • Proficiency in AWS cloud services and cloud-native architectures.
  • Experience with container orchestration technologies such as AWS ECS, EKS, or Kubernetes.
  • Strong understanding of software engineering best practices and application scalability.

Responsibilities

  • Design and develop responsive frontend applications using React.js and modern JavaScript frameworks.
  • Build scalable backend services and APIs using Node.js, including NestJS and Express.
  • Develop and deploy containerized applications utilizing Docker and cloud technologies.
  • Collaborate with cross-functional teams to define and implement software solutions.
  • Support cloud deployments and infrastructure using AWS services and container orchestration platforms.

Benefits

  • 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
Full Job Description
Senior Full Stack Engineer (React.js / Node.js)

About the Role

As a Senior Software Engineer, you will make an impact by designing, developing, and delivering scalable full-stack applications that power modern digital experiences. You will be a valued member of the Modern Digital Engineering team and work collaboratively with architects, product owners, designers, and engineering teams to build high-performing, cloud-native solutions.

*Please note that this position is not eligible for visa transfer or sponsorship now or at any time in the future*

In This Role, You Will:
  • Design and develop responsive frontend applications using React.js and modern JavaScript frameworks.
  • Build scalable backend services and APIs using Node.js, including NestJS, Express, or Fastify.
  • Develop and deploy containerized applications using Docker and cloud-native technologies.
  • Collaborate with cross-functional teams to define, design, and implement high-quality software solutions.
  • Support cloud deployments and infrastructure leveraging AWS services and container orchestration platforms such as ECS, EKS, AWS Fargate, or Kubernetes.

Work Model

We 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 attendance in a client or Cognizant office in New York, NY. Regardless of your working arrangement, we are here to support a healthy work-life balance through our various wellbeing programs.

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.

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

What You Need to Have to Be Considered
  • Strong experience developing full-stack applications using React.js and Node.js.
  • Hands-on experience with backend frameworks such as NestJS, Express, or Fastify.
  • Experience building and managing containerized applications using Docker.
  • Proficiency with AWS cloud services and modern cloud-native architectures.
  • Experience with container orchestration technologies, including AWS ECS, EKS, AWS Fargate, or Kubernetes.
  • Strong understanding of software engineering best practices, APIs, and application scalability.

These Will Help You Stand Out
  • Experience working within Modern Digital Engineering environments.
  • Knowledge of microservices and distributed system architectures.
  • Experience implementing CI/CD pipelines and DevOps practices.
  • Familiarity with frontend performance optimization and application security best practices.
  • Experience working in Agile delivery teams and collaborating with global stakeholders.

Applications will be accepted until July 31 st , 2026.

Salary and Other Compensation: The annual salary for this position is between $ 75,000 to $ 135,000 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 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.

About Cognizant

TriZetto is Powering Integrated Healthcare Management. With technology solutions touching more than half the U.S. population today, TriZetto is uniquely positioned to drive the convergence of core benefit administration, care management and constituent engagement. TriZetto provides premier information technology solutions that enable payers and other constituents in the healthcare supply chain to improve the coordination of benefits and care for healthcare consumers.

Cognizant Careers

Join the vibrant team at Cognizant, a leading provider of information technology, consulting, and business process services. Cognizant is not just a company; it's a community where innovation, leadership, and diversity are valued and where every team member is encouraged to thrive.

Work You’ll Do

At Cognizant, we are dedicated to helping the world's leading companies build stronger businesses — not just for today but for the future. This commitment to growth and sustainability is what makes Cognizant a unique place to advance your career.

Explore Job Opportunities

Whether you're looking for an entry-level position or a more senior role, Cognizant offers a plethora of job opportunities that could be perfect for you. Our hiring process is designed to be transparent and engaging, ensuring that every candidate is able to showcase their skills and potential fully.

Innovative Work

Join a team where innovation is at the core of everything we do. Cognizant’s professionals are not just part of a company; they're part of a groundbreaking environment that combines technology, insights, and leadership to foster innovation across global industries.

Internship Programs

Kickstart your career with Cognizant’s internship programs. These opportunities allow you to gain hands-on experience, develop your professional skills, and network with experts in your field. An internship at Cognizant is a stepping stone to full-time employment and a chance to see how your studies apply in the real world.

Professional Growth and Development

Cognizant is committed to the professional growth of its employees. With access to cutting-edge training, leadership programs, and diversity initiatives, you can build a career that’s equipped for the demands of tomorrow’s business landscape.

Benefits and Culture

Our employees enjoy a range of benefits designed to support their physical, financial, and emotional well-being. Cognizant’s culture is built on a foundation of respect and inclusivity, where everyone’s contribution is valued. Join us and be part of a team that celebrates diversity and is driven to make a positive impact on the world.

Stay Connected

Join Our Team Search open positions that match your skills and interests. We look for passionate, curious, creative, and solution-driven team players. Ready to take the next step in your career journey? Explore the exciting employment and career opportunities waiting for you at Cognizant.

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Networking and Interviews

Enhance your career prospects at Cognizant through our robust networking events. Prepare your resume, sharpen your interview skills, and connect with leaders across the industry to unlock new career paths. At Cognizant, we don’t just offer jobs; we offer career journeys. Be part of a team that’s committed to your long-term career growth and professional development. Join Cognizant today and be a part of our success story.
Learn more about Cognizant
Size
340,400 employees
Market Cap
$28.7 billion
Industry
Net Income
$1.3 billion
Founded
1994
5 Year Trend
+6.5%
Revenue
$16.6 billion
NASDAQ

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