Demo

Senior Full Stack Java Developer (React)

Cognizant
Mountain View, CA Full Time
POSTED ON 7/28/2026
AVAILABLE BEFORE 8/26/2026
We are seeking a highly skilled Senior Full Stack Java Developer to design, develop, and maintain scalable enterprise applications. The ideal candidate will have strong expertise in Java, Spring Boot, Microservices, and React.js, with experience building modern cloud-native applications. This role requires close collaboration with cross-functional teams to deliver high-quality software solutions that align with business objectives.

In This Role, You Will

  • Design, develop, and maintain enterprise-grade applications using Java, Spring Boot, and Microservices architecture.
  • Build responsive and interactive user interfaces using React.js, JavaScript/TypeScript, HTML5, and CSS3.
  • Design, develop, and consume RESTful APIs while integrating front-end applications with backend services.
  • Develop and optimize database structures, queries, and integrations using PostgreSQL, MySQL, or Oracle.
  • Participate in code reviews, testing, debugging, and performance tuning activities.
  • Support CI/CD implementation and automate deployment processes.
  • Develop and deploy cloud-native solutions leveraging AWS, Azure, or GCP.
  • Utilize containerization and orchestration technologies such as Docker and Kubernetes to support modern deployment strategies.

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 3 days a week in a client office in Mountain View, California. Regardless of your working arrangement, we are here to support a healthy work-life balance though 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

  • Minimum 10 years of experience in Java, Spring Boot, and Microservices-based application development.
  • Hands-on experience with React.js, JavaScript/TypeScript, HTML5, and CSS3.
  • Proven experience designing and consuming REST APIs and integrating front-end applications with backend services.
  • Strong understanding of Object-Oriented Programming (OOP), design patterns, and software engineering principles.
  • Experience with relational databases such as PostgreSQL, MySQL, or Oracle.
  • Proficiency with Git, version control practices, and CI/CD pipelines.
  • Experience working in Agile/Scrum development environments.
  • Knowledge of cloud platforms (AWS, Azure, or GCP) and container technologies such as Docker and Kubernetes.

Salary And Other Compensation

The annual salary for this position is between $63,000 to $ 99,500 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.

Salary : $63,000 - $99,500

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