React Js Java Developer Jobs in Naperville, IL (NOW HIRING)

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Location - Chicago IL
Job Description
We are seeking a highly skilled Senior Java Full Stack React JS Developer with 7+ years of experience to join our growing technology team. The ideal candidate will be responsible for the complete application lifecycle, including technical design, development, testing, deployment, and maintenance of enterprise-grade applications.
The role requires expertise in Java, Spring Boot, ReactJS, AWS Cloud, and modern DevOps practices, along with strong experience in delivering scalable solutions within Agile/Scrum and SAFe environments. The candidate will collaborate with cross-functional teams to build robust, high-performance applications while driving continuous improvement and engineering excellence.
Key Responsibilities

• Design, develop, test, deploy, and support enterprise-scale applications using Java, Spring Boot, ReactJS, and TypeScript.
• Build scalable, reusable, and maintainable frontend and backend components.
• Develop high-quality code following industry best practices and coding standards.
• Participate in application architecture and technical design discussions.
• Prepare detailed technical design documents and solution specifications.
• Ensure applications meet scalability, security, performance, and reliability requirements.
• Design and develop RESTful APIs and SOAP-based web services.
• Implement integrations with internal and external systems.
• Ensure API performance, security, and maintainability.
• Maintain, troubleshoot, and enhance existing Spring Boot applications.
• Perform root cause analysis and resolve production issues.
• Support application upgrades, patching, and modernization initiatives.
• Develop and deploy cloud-based solutions on AWS.
• Leverage Infrastructure as Code (IaC) using Terraform or AWS CDK.
• Collaborate with DevOps teams for infrastructure automation and cloud optimization.
• Develop ETL processes, data pipelines, and automation scripts using Python.
• Work with structured and semi-structured data sources.
• Support data integration activities involving Snowflake, Delta Lake, and relational databases.
• Participate actively in Agile ceremonies including sprint planning, standups, retrospectives, and backlog grooming.
• Collaborate with Product Owners, Architects, QA teams, and business stakeholders.
• Contribute to continuous improvement initiatives within Agile and SAFe frameworks.
• Identify bottlenecks and recommend improvements to development processes and workflows.
• Drive automation, code quality, and engineering best practices.

Backend- Java (Spring boot) and Rest API
Frontend- React JS, Typescript
Cloud/ Infrastructure- AWS (S3,IAM, RDS, Glue, Lamda, CloudWatch, OpenSearch) Terraform / CDK
The base compensation range for this role in the posted location is: 85000 - 100000
Capgemini provides compensation range information in accordance with applicable national, state, provincial, and local pay transparency laws. The base compensation range listed for this position reflects the minimum and maximum target compensation Capgemini, in good faith, believes it may pay for the role at the time of this posting. This range may be subject to change as permitted by law.
The actual compensation offered to any candidate may fall outside of the posted range and will be determined based on multiple factors legally permitted in the applicable jurisdiction.
These may include, but are not limited to: Geographic location, Education and qualifications, Certifications and licenses, Relevant experience and skills, Seniority and performance, Market and business consideration, Internal pay equity.
It is not typical for candidates to be hired at or near the top of the posted compensation range.
In addition to base salary, this role may be eligible for additional compensation such as variable incentives, bonuses, or commissions, depending on the position and applicable laws.
Capgemini offers a comprehensive, non-negotiable benefits package to all regular, full-time employees. In the U.S. and Canada, available benefits are determined by local policy and eligibility and may include:

• Paid time off based on employee grade (A-F), defined by policy: Vacation: 12-25 days, depending on grade, Company paid holidays, Personal Days, Sick Leave

• Medical, dental, and vision coverage (or provincial healthcare coordination in Canada)
• Retirement savings plans (e.g., 401(k) in the U.S., RRSP in Canada)
• Life and disability insurance
• Employee assistance programs
• Other benefits as provided by local policy and eligibility

Important Notice: Compensation (including bonuses, commissions, or other forms of incentive pay) is not considered earned, vested, or payable until it becomes due under the terms of applicable plans or agreements and is subject to Capgemini's discretion, consistent with applicable laws. The Company reserves the right to amend or withdraw compensation programs at any time, within the limits of applicable legislation.
Disclaimers
Capgemini is an Equal Opportunity Employer encouraging inclusion in the workplace. Capgemini also participates in the Partnership Accreditation in Indigenous Relations (PAIR) program which supports meaningful engagement with Indigenous communities across Canada by promoting fairness, accessibility, inclusion and respect. We value the rich cultural heritage and contributions of Indigenous Peoples and actively work to create a welcoming and respectful environment. All qualified applicants will receive consideration for employment without regard to race, national origin, gender identity/expression, age, religion, disability, sexual orientation, genetics, veteran status, marital status or any other characteristic protected by law.
This is a general description of the Duties, Responsibilities and Qualifications required for this position. Physical, mental, sensory or environmental demands may be referenced in an attempt to communicate the manner in which this position traditionally is performed. Whenever necessary to provide individuals with disabilities an equal employment opportunity, Capgemini will consider reasonable accommodations that might involve varying job requirements and/or changing the way this job is performed, provided that such accommodation does not pose an undue hardship. Capgemini is committed to providing reasonable accommodation during our recruitment process. If you need assistance or accommodation, please reach out to your recruiting contact.
Please be aware that Capgemini may capture your image (video or screenshot) during the interview process and that image may be used for verification, including during the hiring and onboarding process.
Click the following link for more information on your rights as an Applicant in the United States. http://www.capgemini.com/resources/equal-employment-opportunity-is-the-law
Capgemini is a global business and technology transformation partner, helping organizations to accelerate their dual transition to a digital and sustainable world, while creating tangible impact for enterprises and society. It is a responsible and diverse group of 340,000 team members in more than 50 countries. With its strong over 55-year heritage, Capgemini is trusted by its clients to unlock the value of technology to address the entire breadth of their business needs. It delivers end-to-end services and solutions leveraging strengths from strategy and design to engineering, all fueled by its market leading capabilities in AI, generative AI, cloud and data, combined with its deep industry expertise and partner ecosystem.