Back-end Software Development Engineer #1066763
Position Description:    
5+ years of software development experience, including hands-on experience building Java applications and working with IBM Mainframe (z/OS) systems. Candidates who have recently transitioned from mainframe development to Java are encouraged to apply.

Key Responsibilities
Develop and enhance applications using Java and Spring Boot, including new features, APIs, and integrations.
Support and maintain production applications across Java and mainframe environments.
Work with mainframe systems to understand existing business logic, troubleshoot issues, and support application changes or integrations.
Build, maintain, and troubleshoot COBOL programs and batch workflows using JCL and standard z/OS utilities.
Develop and support online transaction applications using IMS DC.
Write and tune SQL queries for DB2, and work with VSAM files as needed.
Investigate production issues, resolve batch abends, perform root-cause analysis, and support incident resolution.
Use relevant development and analysis tools, such as File Manager and IMS debugging tools.

Required Qualifications
5+ years of hands-on application development and production support experience.
Practical experience developing applications using Java and Spring Boot.
Mainframe development or support experience on IBM z/OS, ideally including COBOL, JCL, and batch processing.
Experience with REST APIs, application integration, and relational databases.
Ability to troubleshoot issues across application, batch, and data-processing workflows.
Strong problem-solving, communication, and collaboration skills.
Mainframe Experience Experience with the following is valuable: COBOL and JCL IMS DC online transaction processing DB2 and embedded SQL VSAM Batch-abend troubleshooting and root-cause analysis
Mainframe debugging and analysis tools, such as File Manager and IMS debug

Preferred Qualifications
Experience with IMS DB and DL/I calls.
Experience modernizing or integrating mainframe applications with Java-based services.
Familiarity with microservices, automated testing, and CI/CD practices.    

Skills Required:    
Spring Boot
AI
Java
Mainframe Systems
JCL
DB2    

Skills Preferred:    
SonarQube, GCP, Pub/Sub    

Experience Required:    
Engineer Exp: Proficient In 2 coding lang. or adv. Prac. in 1 lang. 6+ years in IT; 4+ years in development of Java and Mainframe    
Experience Preferred:    
Prompt Engineering: Experience crafting effective prompts and workflows for code understanding, documentation, and generation.
LLM Integration: Exposure to building applications that integrate LLMs (e.g., RAG pipelines, embeddings, vector databases, LangChain, or similar frameworks).
Python: Familiarity with Python for scripting, notebooks, and AI/ML tooling.
Cloud: Experience with cloud platforms (GCP, AWS, or Azure) and their AI/ML services.
Legacy Modernization: Prior experience reverse-engineering or modernizing legacy systems.
Documentation Tooling: Experience generating architecture diagrams, API docs, or knowledge bases (including AI-assisted approaches).    

Education Required:    
Bachelor's Degree    

Additional Information :    
5+ years of software development experience, including hands-on experience building Java applications and working with IBM Mainframe (z/OS) systems. Candidates who have recently transitioned from mainframe development to Java are encouraged to apply.