Cognizant is looking for a Principal Node.js & Java Developer to specialize in legacy system modernization and migration, with a focus on migrating monolithic applications to modern architectures.
Requirements
- 20+ years of experience in software development with a strong background in Java (Spring, Hibernate, JPA) and Node.js (Express.js, Nest.js).
- Expertise in legacy system migrations, including monolithic-to-microservices transformations.
- Strong knowledge of cloud computing platforms (AWS, Azure) and serverless computing.
- Hands-on experience in database modernization, schema refactoring, and ETL pipeline development.
- Experience with API modernization, including RESTful APIs, GraphQL, and event-driven patterns.
- Deep understanding of DevOps, CI/CD pipelines (Jenkins, GitHub Actions, GitLab CI/CD), and Infrastructure as Code (Terraform, Ansible, CloudFormation).
- Strong experience in performance optimization, security hardening, and system reliability improvements.
Responsibilities
- Assess, analyze, and design modernization strategies for legacy NodeJS/Java applications, monolithic architectures, and outdated database systems.
- Lead the migration of legacy applications to microservices-based, cloud-native architectures using Java (Spring Boot, Hibernate) and Node.js (Express/Nest.js).
- Refactor and rewrite legacy codebases to improve scalability, maintainability, and performance.
- Implement automated migration tools, API gateways, and middleware solutions to ensure smooth integration with modern applications.
- Collaborate with business stakeholders, architects, and DevOps teams to define migration roadmaps, ensuring minimal disruption to business operations.
- Enhance legacy systems with event-driven architectures (Pulsar/Kafka) for real-time processing.
- Implement cloud-native solutions on AWS leveraging containerization (Docker, Kubernetes) and serverless technologies.
Other
- 20+ years of experience in software development.
- Please note, this role is not able to offer visa transfer or sponsorship now or in the future.
- Excellent problem-solving, analytical, and stakeholder management skills.
- 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.
