Cognizant

Senior Java Backend Engineer/ Java Microservices Engineer

Cognizant$70K — $105K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 5-7 years of experience in Java development, specifically Java 17+ and Spring Boot
  • Strong grasp of Spring Cloud, Spring Security, and Spring Data JPA
  • Experience with messaging technologies such as Kafka or RabbitMQ
  • Familiarity with OAuth 2.0, JWT, and API security techniques
  • Proficiency with SQL/NoSQL databases including PostgreSQL, MongoDB, and Redis
  • Hands-on experience with Docker and Kubernetes in cloud environments like AWS, GCP, or Azure

Responsibilities

  • Design and develop RESTful microservices using Java 17+ and Spring Boot 3
  • Maintain integrations with IoT devices and third-party APIs
  • Implement real-time data messaging pipelines using Kafka or RabbitMQ
  • Write unit tests and integration tests with JUnit and Mockito
  • Collaborate with product and DevOps teams to manage CI/CD pipelines
  • Participate in architecture reviews to define team best practices

Benefits

  • Flexible working hours
  • Health, dental, and vision insurance
  • Retirement plan with company match
  • Professional development opportunities
  • Employee recognition programs
Full Job Description
*Please note, this role is not able to offer visa transfer or sponsorship now or in the future*

Overview

We are looking for a skilled Java Engineer to design and deliver scalable, cloud-native microservices within our Connected Services platform. You will own the full software lifecycle - from architecture through deployment - building robust APIs and event-driven systems that power real-time device and data integrations.

Responsibilities
• Design and develop RESTful and event-driven microservices using Java 17+ and Spring Boot 3
• Build and maintain integrations with IoT devices, third-party APIs, and connected platforms
• Implement messaging pipelines with Kafka or RabbitMQ for real-time data streaming
• Write clean, testable code with JUnit, Mockito, and integration test suites
• Collaborate with product and DevOps on CI/CD pipelines (Docker, Kubernetes, Helm)
• Participate in architecture reviews and define best practices for the team

Required Skills
• Experience with Java (Java 17+ preferred) and Spring Boot ecosystem
• Strong knowledge of Spring Cloud, Spring Security, and Spring Data JPA
• Experience with Kafka, RabbitMQ, or similar messaging technologies
• Familiarity with OAuth 2.0, JWT, and API security patterns
• Proficient with SQL/NoSQL databases (PostgreSQL, MongoDB, Redis)
• Hands-on with Docker and Kubernetes in cloud environments (AWS, GCP, or Azure)

Nice to Have
• Experience with MQTT, AMQP, or CoAP for IoT device communication
• Knowledge of OpenAPI / Swagger specification and contract-first design
• Exposure to service mesh (Istio, Linkerd) and observability tooling
• Contributions to open-source Java or Spring Boot projects

Compensation: - $70,000 to $105,000 + COLA and 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. Application will be accepted by 7/30/2026

Additional employment information
Compensation 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.

Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.

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.

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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.

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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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