Senior Full Stack Engineer (Java & React)

Cognizant; Trenton (NJ); Remote; USD 110,000 - 117,000; Full time

Benefits offered by this job

Medical Insurance

Dental Insurance

Vision Insurance

Life Insurance

Paid Time Off

401(k)

Disability Insurance

Parental Leave

Stock Purchase Plan

Job summary

Cognizant in the United States is seeking a Senior Java Full Stack Engineer with 7+ years of experience to design and build cloud-native enterprise applications using Java, Spring Boot, React, and AWS.

You will work remotely with cross-functional teams across the SDLC, contribute to architecture, code reviews, CI/CD, and ensure scalability, security, and high performance. Docker/Kubernetes and AWS certs are a plus.

Qualifications

• 7+ years of experience developing enterprise applications with Java and Spring Boot.
• Strong hands-on experience with React, JavaScript/TypeScript, HTML5, and CSS3.
• Experience building microservices and RESTful APIs in distributed environments.
• Hands-on experience with AWS cloud services and modern software delivery practices.
• Experience in Agile/Scrum teams.

Responsibilities

• Design, develop, and maintain enterprise-grade microservices and RESTful APIs using Java and Spring Boot.
• Build responsive and user-friendly web applications using React, JavaScript/TypeScript, HTML5, and CSS3.
• Collaborate with Product Owners, Architects, QA teams, and other stakeholders throughout the Agile development lifecycle.
• Contribute to application architecture, code reviews, testing strategies, and development best practices.
• Support CI/CD processes, troubleshoot production issues, and help ensure scalability, security, and performance.

Skills

Java

Spring Boot

React

AWS

Agile/Scrum

RESTful APIs

Tools

JavaScript/TypeScript

HTML5

CSS3

React

Docker

Kubernetes

CI/CD

AWS CloudFormation

Job description

About the role

We are seeking a highly skilled Senior Java Full Stack Engineer with 7+ years of experience developing modern, scalable enterprise applications. In this role, you will design and build cloud-native solutions using Java, Spring Boot, React, and AWS while collaborating with cross-functional teams throughout the software development lifecycle. You will play a critical role in delivering high-quality applications, driving technical excellence, and contributing to architectural decisions that support business growth and innovation.

In this role, you will:

• Design, develop, and maintain enterprise-grade microservices and RESTful APIs using Java and Spring Boot.

• Build responsive and user-friendly web applications using React, JavaScript/TypeScript, HTML5, and CSS3.

• Collaborate with Product Owners, Architects, QA teams, and other stakeholders throughout the Agile development lifecycle.

• Contribute to application architecture, code reviews, testing strategies, and development best practices.

• Support CI/CD processes, troubleshoot production issues, and help ensure application scalability, security, and performance.

Work model: Remote

We strive to provide flexibility wherever possible. Based on this role's business requirements, this is a Remote position.

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.

What you need to have to be considered:

• 7+ years of experience developing enterprise applications using Java and Spring Boot.

• Strong hands-on experience with React, JavaScript/TypeScript, HTML5, and CSS3.

• Experience building microservices and RESTful APIs in distributed application environments.

• Hands-on experience working with AWS cloud services and modern software delivery practices.

• Experience working in Agile/Scrum teams, including sprint planning, estimation, and delivery activities.

These will help you stand out:

• Experience with Docker, Kubernetes, or containerized application deployments.

• Knowledge of CI/CD pipelines, DevOps practices, and automation tools.

• Experience with automated testing frameworks and quality engineering practices.

• AWS certifications such as AWS Certified Developer or AWS Certified Solutions Architect.

• Experience supporting large-scale modernization or cloud transformation initiatives.

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

Salary and compensation:

The annual salary for this position will be between $ 110,000 to $ 117,000 per year depending on the experience and other qualifications of the successful candidate. This position is also eligible for Cognizant’s discretionary annual incentive program and stock awards, based on performance and subject to the terms of Cognizant’s applicable plans.

Applications will be received by October 28th, 2026.

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.

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.