Cognizant

Senior Java Developer (Microservices, Kafka, Cloud)

Cognizant$70K — $120K *
Information Technology
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • 8+ years of hands-on experience in Java development with strong expertise in Java 15+
  • Proven experience building RESTful APIs and microservices using Spring Boot
  • Strong experience with Docker in cloud-native environments
  • Hands-on expertise with Kafka and MQ for event-driven architectures
  • Solid understanding of relational and NoSQL databases
  • Experience with version control systems and Agile methodologies
  • Strong problem-solving and analytical skills

Responsibilities

  • Design, develop, and maintain scalable high-performance applications using Java (15+) and modern frameworks
  • Build and manage microservices with Spring Boot and integrate with Angular front-end applications
  • Develop and deploy containerized applications using Docker in cloud environments
  • Implement event-driven architectures using Kafka and MQ for real-time messaging
  • Collaborate with cross-functional teams to deliver high-quality software solutions
  • Troubleshoot and optimize applications for performance and security
  • Refactor codebases for enhanced efficiency and maintainability

Benefits

  • Medical/Dental/Vision/Life Insurance
  • Paid Holidays & Paid Time Off
  • 401(k) plan with contributions
  • Long-term/Short-term Disability
  • Paid Parental Leave
  • Employee Stock Purchase Plan
Full Job Description
Job Summary

We are looking for a highly skilled Senior Java Developer (Microservices, Kafka, Cloud) with deep expertise in microservices architecture, event-driven systems, and cloud-native application development. This role is ideal for a hands-on engineer with strong experience in Java 15+, Spring Boot, Kafka, and modern containerization technologies. You will play a key role in designing and building scalable, high-performance applications while collaborating with cross-functional teams to deliver robust and innovative solutions.

About the Role

As a Senior Java Developer, you will be responsible for developing enterprise-grade, cloud-native applications using modern Java frameworks and microservices architecture. You will design, build, and deploy scalable backend services while contributing to front-end integration using Angular.

A core part of your role will involve implementing event-driven architectures using Kafka and MQ to support real-time processing and communication across distributed systems. You will also work with Docker to containerize applications and ensure seamless deployment in cloud environments.

This role requires strong collaboration across engineering and product teams, as well as a commitment to coding best practices, performance optimization, and continuous improvement. You will actively contribute to architectural decisions, mentor team members, and stay current with evolving technologies in the Java ecosystem.

*Please note, this role is not able to offer visa transfer or sponsorship now or in the future*

In this role, you will:
• Design, develop, and maintain scalable and high-performance applications using Java (15+) and modern frameworks
• Build and manage microservices using Spring Boot and integrate with Angular-based front-end applications
• Develop and deploy containerized applications using Docker in cloud-native environments
• Implement event-driven architectures using Kafka and MQ for real-time messaging and data processing
• Collaborate with cross-functional teams to define, design, and deliver high-quality software solutions
• Troubleshoot, debug, and optimize applications for performance, scalability, and security
• Refactor existing codebases to enhance efficiency, maintainability, and reliability
• Follow best practices in software development, including testing, code reviews, and documentation
• Stay updated with emerging tools, technologies, and industry trends in Java and cloud ecosystems

Work Model

At Cognizant, we strive to provide flexibility wherever possible, and we are here to support a healthy work-life balance though our various wellbeing programs. Based on this role's business requirements, this is an onsite position requiring 5 days a week 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 though our various wellbeing programs.

*Please note, this role is not able to offer visa transfer or sponsorship now or in the future*

Required Qualifications
• 8+ years of hands-on experience in Java development with strong expertise in Java 15+
• Proven experience building RESTful APIs and microservices using Spring Boot
• Strong experience with Docker and working in cloud-native environments
• Hands-on expertise with Kafka and MQ for event-driven architecture and messaging systems
• Solid understanding of relational and NoSQL databases
• Experience with version control systems (e.g., Git) and Agile development methodologies
• Strong problem-solving, debugging, and analytical skills
• Ability to work effectively in a fast-paced, collaborative environment

Preferred Qualifications
• Experience with CI/CD pipelines and automation tools
• Knowledge of Kubernetes or container orchestration platforms
• Experience with testing frameworks such as JUnit and Mockito
• Exposure to front-end technologies, particularly Angular (Angular 19+) or RxJS

Additional Information

We welcome applicants who share our mission and can make an impact in a variety of ways. Even if you don't meet every listed requirement, we encourage you to apply. Consider your transferable experience and unique skills that may bring fresh perspective to the role.

Salary and Other Compensation

Applications will be accepted until June 14 th , 2026.
The annual salary for this position ranges from $70,000 - $120,000, depending on experience and qualifications.
This position is also eligible for Cognizant's discretionary annual incentive program, based on performance and subject to applicable plan terms.

Benefits

Cognizant offers the following benefits for this role (subject to eligibility):
• Medical/Dental/Vision/Life Insurance
• Paid Holidays & Paid Time Off
• 401(k) plan with contributions
• Long-term/Short-term Disability
• Paid Parental Leave
• Employee Stock Purchase Plan

Disclaimer

The salary, benefits, and compensation information listed above is accurate as of the posting date. Cognizant reserves the right to modify this information at any time, in accordance with 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.

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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.

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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.

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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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