Mainframe Developer

Stefanini Group • Dearborn, MI

3d • Onsite

About The Position

Stefanini Group is hiring a Mainframe Engineer in Dearborn, MI. This role is responsible for designing, developing, testing, and maintaining software applications and products to meet customer needs. Full-stack software engineering roles, including those responsible for developing both user interfaces and server-side components, also fall within this job function. Employees are expected to leverage AI-assisted development tools and techniques to accelerate delivery, improve code quality, and enhance team productivity.

Requirements

• CA-7
• Performance Testing
• Job Control Language (JCL)
• Root Cause Analysis
• Software Testing
• z/OS
• AIPGEE
• Batch Processing
• SQL
• IBM DB2
• GitHub
• TSO/ISPF
• REST APIs
• Customer Information Control System (CICS)
• Application Support
• Program Analysis
• COBOL
• Mainframe Systems
• JSON
• Application Testing
• Agile Software Development
• GitHub Copilot
• AI-Assisted Development
• Prompt Engineering
• LLM API Integration
• AI Code Review
• 10+ years of experience in IT
• 8+ years of experience in software development

Nice To Haves

• Process Improvement
• Google Cloud Platform
• BigQuery
• Data Migration
• Data Management

Responsibilities

• Engage with customers to deeply understand their use cases, pain points, and requirements, demonstrating empathy and advocating for user-centric software solutions.
• Solve complex problems by designing, developing, and delivering solutions using various tools, programming languages, frameworks, methodologies-including Agile-and technologies, including AI-assisted coding tools such as GitHub Copilot, OpenCode, or similar LLM-based development assistants.
• Assess software application or service requirements and determine the most suitable technology stack, integration method, deployment strategy, and related technical approaches.
• Create high-level software architecture designs that outline the overall structure, components, and interfaces of applications.
• Define and implement software testing strategies, guidelines, policies, and processes in alignment with organizational vision, industry regulations, and market best practices.
• Continuously improve performance, optimize applications, and implement new technologies to maximize development efficiency.
• Apply programming practices such as test-driven development, continuous integration, and continuous delivery.
• Support security practices that safeguard user data, including encryption and anonymization.
• Develop and maintain back-end applications, including APIs and microservices, using server-side programming languages.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior