Cognizant
Principal Node.js & Java Developer – REMOTE
Cognizant, Mangum Store, North Carolina, United States
Principal Node.js & Java Developer – Legacy Code Migration Specialist (REMOTE)
Join Cognizant as a Senior/Extremely experienced developer with 20+ years of experience specializing in legacy system modernization and migration.
Key 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Assess, analyze, and design modernization strategies for legacy NodeJS/Java applications, monolithic architectures, and outdated database systems.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.
Establish CI/CD pipelines, automated testing frameworks, and DevSecOps practices to accelerate modernization efforts.
Provide technical leadership, mentoring, and best practice guidance to development teams during the transition.
Required Skills & Experience
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.
Proven ability to reverse‑engineer complex legacy systems, understand business logic, and design modern replacements.
Excellent problem‑solving, analytical, and stakeholder management skills.
Preferred Qualifications
Experience with AI‑driven code refactoring tools and automated legacy code analysis.
Experience in Cold Storage & Warehouse Management Systems (WMS) & Automated Retrievals and Storage systems.
Supply chain logistics, inventory management, and warehouse automation.
Experience with low‑code/no‑code platforms for rapid modernization.
Contributions to open‑source modernization frameworks or cloud migration tools.
Benefits & Compensation
Annual salary: $131,000 – $180,000 + bonus depending on experience and qualifications.
Additional discretionary annual incentive program.
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.
Applications will be accepted until January 11, 2026.
We do not offer visa transfer or sponsorship now or in the future.
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Key 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.
Establish CI/CD pipelines, automated testing frameworks, and DevSecOps practices to accelerate modernization efforts.
Provide technical leadership, mentoring, and best practice guidance to development teams during the transition.
Required Skills & Experience
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.
Proven ability to reverse‑engineer complex legacy systems, understand business logic, and design modern replacements.
Excellent problem‑solving, analytical, and stakeholder management skills.
Preferred Qualifications
Experience with AI‑driven code refactoring tools and automated legacy code analysis.
Experience in Cold Storage & Warehouse Management Systems (WMS) & Automated Retrievals and Storage systems.
Supply chain logistics, inventory management, and warehouse automation.
Experience with low‑code/no‑code platforms for rapid modernization.
Contributions to open‑source modernization frameworks or cloud migration tools.
Benefits & Compensation
Annual salary: $131,000 – $180,000 + bonus depending on experience and qualifications.
Additional discretionary annual incentive program.
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.
Applications will be accepted until January 11, 2026.
We do not offer visa transfer or sponsorship now or in the future.
#J-18808-Ljbffr