Java Software Developer Jobs in Buffalo, NY (NOW HIRING)

Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way you'd like, where you'll be supported and inspired by a collaborative community of colleagues around the world, and where you'll be able to reimagine what's possible. Join us and help the world's leading organizations unlock the value of technology and build a more sustainable, more inclusive world.
Location
This is a 5 days onsite role based in Irving, TX.
About the job you're considering
The Capgemini team offers extensive career opportunities and provides mentoring and coaching for teammates. This role is an experienced professional with a strong background in software development.
Position Summary
We are seeking a hands-on Senior Full Stack Developer who can effectively combine software development, solution design, technical leadership, stakeholder engagement, and mentoring while delivering complex enterprise applications. The ideal candidate will work closely with business users, client architects, and cross-functional technical teams to design, develop, and implement scalable, secure, and high-quality solutions.
Key Responsibilities
Application Development

• Develop and maintain backend services using Java, Spring Boot, and Microservices architecture.
• Build modern, scalable, and responsive front-end applications using React JS.
• Design, optimize, and manage PostgreSQL databases and work with Amazon Redshift for data warehousing requirements.
• Translate business requirements into robust technical solutions aligned with enterprise architecture standards and best practices.
• Ensure application performance, scalability, maintainability, and security.

Integration & Data Management

• Design and implement enterprise-grade integrations, including:
• REST and SOAP APIs
• FTP/SFTP integrations
• ETL and data processing pipelines
• Kafka-based messaging solutions
• Troubleshoot and resolve issues related to data flow, transformation, synchronization, and integrations.
• Collaborate with multiple systems and platforms to ensure seamless enterprise connectivity.

#DI-CM1
Technical Leadership

• Conduct code reviews, design reviews, and enforce development best practices.
• Mentor and guide developers on coding standards, architecture principles, and software engineering best practices.
• Assign, monitor, and review development tasks to ensure quality and timely delivery.
• Participate in architecture discussions, design workshops, and technical solution reviews.

Technical Skills
Backend Technologies

• Java
• Spring Boot
• Microservices Architecture

Frontend Technologies

• React JS (Hooks, State Management, Modern Frameworks)

Databases & Data Technologies

• PostgreSQL
• Amazon Redshift

Testing & Quality Assurance

• JUnit
• Mockito
• Test-Driven Development (TDD)

Integration & Messaging

• Apache Kafka
• REST APIs
• SOAP Services
• ETL/Data Pipelines
• FTP/SFTP Integrations

Cloud & DevOps

• Docker
• Kubernetes
• AWS and/or Azure
• CI/CD Tools:
• Jenkins
• Azure DevOps
• GitHub Actions

Security & Development Tools

• API Security (OAuth, JWT)
• GitLab
• JIRA
• Agile Methodologies
• AI-assisted Development Tools:
• GitHub Copilot
• Windsurf

Preferred Qualification

• Experience designing and implementing enterprise-scale applications.
• Strong understanding of cloud-native architectures and distributed systems.
• Experience with large-scale data integration and messaging platforms.
• Exposure to modern software engineering practices and DevOps methodologies.

Ideal Candidate Profile
The ideal candidate is a Senior Full Stack Developer with deep expertise in Java, Spring Boot, React JS, PostgreSQL, Kafka, enterprise integrations, cloud technologies, and Agile delivery methodologies. The individual should be capable of leading technical implementation efforts, mentoring development teams, driving architectural discussions, and confidently engaging with clients and business stakeholders to deliver business-critical enterprise solutions.
The base compensation range for this role in the posted location is:$73,150 to $174,000
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.