REMOTE-Principal Node.js & Java Developer Legacy Code Migration

Cognizant Technology Solutions-posted 3 months ago
$131,000 - $180,000/Yr
Full-time • Senior
Remote • Durham, NC
Professional, Scientific, and Technical Services
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Looking for Super Senior/Extremely experienced Node.js & Java Developer with 20+ years of experience specializing in legacy system modernization and migration. The ideal candidate will have deep expertise in Java, Node.js, microservices, cloud computing, and database modernization, with a strong background in migrating monolithic applications to modern architectures. This role requires technical leadership, hands-on expertise, and strategic planning to ensure seamless transitions from legacy systems to scalable, high-performance solutions.

  • Assess, analyze, and design modernization strategies for legacy NodeJS/Java applications, monolithic architectures, and outdated database systems.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.
  • 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.
  • 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.
  • 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
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