Java Full Stack Engineer

Cognizant; Sunnyvale (CA); On-site; USD 113,000 - 133,000; Full time

Benefits offered by this job

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

Job summary

Cognizant in Sunnyvale is seeking a Senior Full Stack Java Developer to design, build, and maintain enterprise-grade applications using Java, Spring Boot, and Microservices. You will develop RESTful APIs, ensure security and scalability, and collaborate with architects, product owners, and stakeholders on digital transformation efforts.

The role emphasizes cloud-native development on Azure and other platforms, with emphasis on DevOps practices, observability, and reliable releases.

Qualifications

• 5–7 years of enterprise software development with Java
• Strong proficiency in Java 8/11/17 and Spring ecosystem
• Experience designing Microservices and RESTful APIs
• Knowledge of distributed systems and event-driven patterns
• Hands-on cloud experience (Azure/AWS/GCP) and containerization
• CI/CD tooling (Git, Jenkins, Azure DevOps, GitHub Actions) and DevOps practices
• Experience with testing (JUnit, Mockito) and observability tools

Responsibilities

• Design and develop enterprise applications using Java, Spring Boot, REST APIs, and Microservices
• Build scalable, secure back-end services for high-volume processing
• Develop cloud-native solutions on Azure and other clouds
• Design distributed systems and integration patterns
• Implement observability and monitoring with logs, metrics, tracing
• Support CI/CD pipelines and DevOps for reliable releases
• Troubleshoot production issues and drive performance improvements

Skills

Java

Spring Boot

Microservices

Cloud platforms

REST APIs

Distributed systems

DevOps

Kafka/JMS

Education

Bachelor's degree in Computer Science

Tools

Docker

Kubernetes

Azure

AWS

OpenShift

Job description

Job Summary

We are seeking a Senior Full Stack Java Developer to design, develop, and maintain enterprise-grade applications using Java, Spring Boot, Microservices, and cloud-native technologies. This role will focus on building scalable, secure, and high-performing solutions that support critical business operations and digital transformation initiatives. The ideal candidate will have strong experience in distributed systems, cloud platforms, DevOps practices, API development, and modern software engineering methodologies. This position requires close collaboration with architects, product owners, business stakeholders, and engineering teams to deliver reliable and resilient enterprise applications.

Key Responsibilities

• Design, develop, and maintain enterprise applications using Java, Spring Boot, REST APIs, and Microservices architecture.
• Build scalable, secure, and high-performance backend services supporting business-critical and high-volume transaction processing systems.
• Develop cloud-native solutions leveraging Azure and other cloud platforms for compute, storage, networking, monitoring, and security services.
• Design and implement distributed systems, service integration patterns, and event-driven architectures to ensure availability, resiliency, and scalability.
• Develop and maintain RESTful APIs and asynchronous integrations using technologies such as Kafka, JMS, RabbitMQ, or Azure Event Hub.
• Apply object-oriented design principles, software design patterns, and clean coding standards to build maintainable and extensible applications.
• Implement automated unit, integration, and end-to-end testing to ensure software quality and reliability.
• Optimize application performance through code tuning, caching strategies, database optimization, and resource management.
• Participate in architecture reviews, code reviews, technical discussions, and engineering governance activities.
• Implement observability and monitoring capabilities using logging, metrics, tracing, alerting, and APM tools.
• Support CI/CD pipelines and DevOps practices to enable reliable releases and automated deployments.
• Troubleshoot production issues, perform root cause analysis, and implement proactive improvements to enhance system stability and operational excellence.

Qualifications

• 5–7 years of experience in enterprise software development with strong hands‑on expertise in Java-based application development.
• Strong proficiency in Java 8/11/17 and the Spring ecosystem, including Spring Boot, Spring MVC, Spring Security, and Spring Data.
• Extensive experience designing and developing Microservices-based architectures and RESTful APIs.
• Strong understanding of distributed systems, API gateway patterns, service discovery, resiliency patterns, and event‑driven architecture.
• Hands‑on experience with cloud platforms such as Microsoft Azure, AWS, or Google Cloud Platform.
• Experience with containerization and orchestration technologies such as Docker, Kubernetes, or OpenShift.
• Knowledge of messaging and streaming technologies including Kafka, JMS, RabbitMQ, or Azure Event Hub.
• Experience working with relational and NoSQL databases such as SQL Server, Oracle, PostgreSQL, MongoDB, or Cosmos DB.
• Strong understanding of CI/CD pipelines, Git, Jenkins, Azure DevOps, GitHub Actions, or similar DevOps platforms.
• Experience implementing automated testing using JUnit, Mockito, API testing tools, and software quality frameworks.
• Familiarity with monitoring and observability tools such as Splunk, ELK, Grafana, Prometheus, Dynatrace, or Azure Application Insights.
• Strong troubleshooting, performance tuning, secure coding, communication, and problem‑solving skills.

Applications will be accepted until 30 Oct 2026.

Salary and Other Compensation

The annual salary for this position is between $[113,000 - 132,500] depending on experience and other qualifications of the successful candidate.

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.

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