Mainframe Developer

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Job Description

A Mainframe Developer specializes in designing, developing, and maintaining applications on mainframe systems, crucial for organizations reliant on legacy technologies. Responsibilities include coding, testing, and debugging, often utilizing languages like COBOL and DB2. Required skills include problem-solving and proficiency in mainframe tools. Typically working in IT departments, collaboration occurs with system analysts and project managers. Career progression may lead to senior developer or architect roles, with opportunities to transition into modern technologies or IT leadership.

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What Mainframe Developer say about these tools

Liam Miller

exe.dev

5.0

Instant sandboxes with an AI coder inside — game changer

I prototype AI features for clients and needed a quick, clean sandbox. Disposable Linux VMs spin up in seconds, I SSH in, and the Shelley AI coding agent runs inside the VM to write and test code. Exposing apps over HTTPS is fast, and I can automate everything with the API. It totally changed how I prototype.

Mohammed Khan

exe.dev

5.0

Secure, scalable classroom sandboxes with API control

I run a remote software course and need private, per-assignment sandboxes. IAM-based sharing with private-by-default infra lets me grant and revoke access instantly, without risk. The API-first VM creation lets me provision dozens of environments in minutes, so demos and grading stay consistent. SSH access from any device and HTTPS hosting make student projects easy to run.