Cognizant

Java Full Stack Developer (Senior/Lead)

Cognizant
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2 days ago
Plano, TX, USASenior / Staff+
H1B sponsor

Responsibilities

  • Design, build, and scale API-first, cloud-native applications using Java, Spring Boot, microservices, REST APIs, and event-driven architecture.
  • Develop end-to-end full-stack capabilities with React, TypeScript/JavaScript, Node.js, and Java/Spring Boot.
  • Build and operate scalable AWS solutions using Docker, Kubernetes, ECS/EKS, serverless technologies, Kafka, SNS, and SQS.
  • Integrate generative and agentic AI capabilities, including LLMs/SLMs, MCP, RAG, and agent orchestration frameworks.
  • Establish engineering practices for automated and performance testing, infrastructure as code, observability, security, and application performance.

Requirements

  • 8+ years of professional software engineering experience, including designing or architecting cloud-native AWS services.
  • Hands-on expertise with Java 11/17/21, Spring Boot, microservices, REST APIs, JSON, OpenAPI, asynchronous messaging, and API integration patterns.
  • Full-stack experience with React, TypeScript/JavaScript, Node.js, Java, and Spring Boot.
  • Experience deploying cloud-native applications on AWS with Docker, Kubernetes, ECS/EKS, serverless technologies, Kafka, SNS/SQS, SQL, and NoSQL databases.
  • Experience with CI/CD, infrastructure as code such as Terraform or CloudFormation, automated testing, observability, performance tuning, and application security.
  • Preferred qualifications include generative or agentic AI integration, Python, micro frontends, CEN/XFS APIs, WebSockets, Redis, DynamoDB, DocumentDB, PostgreSQL, MySQL, Aurora, observability platforms, AI-assisted development tools, prompt engineering, or commercial banking experience.

Benefits

  • Medical, dental, vision, and life insurance; paid holidays and paid time off; 401(k) plan and contributions; long-term and short-term disability; paid parental leave; and an employee stock purchase plan, subject to eligibility.
  • Onsite work five days per week at a client or Cognizant office in New York City, with flexibility subject to business, project, and client requirements.

Tech Stack

Categories

Cognizant

About Cognizant

10,000+ employees

Cognizant is a public IT services and consulting firm that designs, builds, and runs enterprise technology, including digital engineering, cloud modernization, data/AI, and managed services. It sells consulting, systems integration, and outsourcing on multi-year engagements to large enterprises in healthcare, banking, retail, communications, and manufacturing. Founded in 1994 and headquartered in Teaneck, New Jersey, Cognizant is NASDAQ-listed (CTSH) and a Fortune 500 company.

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