Mainframe Legacy Modernization Engineer

• Posted 7 days ago • Updated 7 days ago
Contract W2
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Contract Independent
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Job Details

Skills

  • AWS
  • Cobol
  • DB2
  • agentic AI

Summary


Role: Senior Software Engineer / Lead Engineer Legacy Modernization & Agentic AI (AWS)

Skills Required: Cobol, DB2, AWS, Agentic AI

Location: Remote

Contract

Position Summary

We are looking for experienced Software Engineers to support a large-scale Legacy Modernization initiative. The ideal candidate will possess strong expertise in AWS cloud technologies, a solid understanding of legacy mainframe applications, and experience building AI-powered agentic workflows. This role involves modernizing mission-critical systems, leveraging cloud-native architectures, and enabling intelligent automation through AI agents.

We are looking for Engineers, having deep database modernization expertise, particularly around legacy mainframe databases.

Key Responsibilities

  • Analyze, understand, and modernize legacy mainframe applications built on COBOL, IMS, and DB2.
  • Design and implement cloud-native solutions on AWS as part of modernization and migration initiatives.
  • Develop and deploy Agentic AI workflows that automate business processes, code modernization, analysis, and operational tasks.
  • Build scalable APIs, microservices, and event-driven architectures to replace legacy workloads.
  • Collaborate with business stakeholders, architects, database teams, and platform engineers to define modernization strategies.
  • Perform application decomposition, dependency analysis, and migration planning.
  • Implement best practices around security, observability, resiliency, and performance optimization on AWS.
  • Support data migration, schema transformation, and modernization of legacy database platforms.
  • Participate in architecture reviews, code reviews, and technical design discussions.

Required Skills & Experience

Core Skills

  • 6+ years of software engineering experience.
  • Strong hands-on experience with AWS Cloud Services (Lambda, ECS/EKS, API Gateway, Step Functions, S3, RDS, DynamoDB, CloudFormation/Terraform, etc.).
  • Experience working with Legacy Mainframe Applications.
  • Good understanding of:
    • COBOL
    • IMS
    • DB2
    • Batch Processing Systems
    • Mainframe Integration Patterns
  • Experience designing and developing Agentic AI workflows, autonomous agents, and AI-driven automation solutions.
  • Strong programming experience in one or more modern languages such as:
    • Python
    • Java
    • Node.js
  • Experience with Microservices and API-based architectures.
  • Knowledge of CI/CD, DevOps, and Infrastructure as Code practices.

Preferred Qualifications

  • Experience with application modernization and cloud migration programs.
  • Knowledge of Generative AI platforms, LLMs, RAG architectures, orchestration frameworks (LangGraph, CrewAI, AutoGen, LangChain, etc.).
  • Experience with containerization technologies such as Docker and Kubernetes.
  • Familiarity with event-driven and serverless architectures.
  • Prior experience in financial services, insurance, or other enterprises running large-scale mainframe workloads.

Database Modernization Specialist

One of the selected engineers should have strong expertise in:

  • DB2 Database Architecture and Administration.
  • Data Modeling and Database Design.
  • Database Migration and Modernization Strategies.
  • Legacy-to-Cloud Database Transformation.
  • Data Quality, Data Reconciliation, and Validation.
  • AWS Database Services (Aurora, RDS, DynamoDB, Redshift).
  • Performance Tuning and Query Optimization.
Data Integration and ETL/ELT pipelines
Employers have access to artificial intelligence language tools (“AI”) that help generate and enhance job descriptions and AI may have been used to create this description. The position description has been reviewed for accuracy and Dice believes it to correctly reflect the job opportunity.
  • Dice Id: 10124157
  • Position Id: 2026-32633
  • Posted 7 days ago
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