| What it does | Practice for the new AI-assisted coding interview format with real codebases and an AI assistant
| Free tutorials and resources for COBOL and mainframe technologies
|
|---|
| Stage | Startup
| Not given
|
|---|
| Founded | 2025
| Not given
|
|---|
| Based in | Not given
| Not given
|
|---|
| Pricing model | Freemium
| Free
|
|---|
| Pricing | Free: a few complete problems with every stage and the first stage of additional problems. Nyrion Pro: $19/month or $149/year (35% off).
| Not given
|
|---|
| Key features | - Real multi-stage codebases instead of algorithm snippets
- AI assistant in the editor for directing and collaboration
- Test-gated progression with escalating requirements
- AI interviewer evaluation and detailed reports
- Problems tagged by company and difficulty level
- Coverage of multiple major tech company formats
- Persistent sessions and progress tracking
- Curated and continuously monitored problem content
- No AI solution generation without user direction
| - Comprehensive COBOL tutorials covering basic syntax to advanced techniques
- Step-by-step guides for JCL, COBOL, CICS, DB2, and z/OS concepts
- Progress tracking and practical challenges
- DB2 and VSAM data storage technologies
- Community forum for mainframe learners
- Quick reference guides and cheat sheets
- Interview questions and glossary resources
- Mainframe and COBOL job board
|
|---|
| What makes it different | - Practices the actual AI-assisted format now used by major tech companies, not traditional algorithm interviews
- Built by engineers who experienced these new interview formats themselves
- Problems curated from real candidate reports with continuous monitoring and updates
- Evaluates and reports on agent direction skills, not just solution correctness
- Free tier lets you try the format fully before paying
| - Preserves and shares mainframe knowledge as experienced professionals retire
- Designed for beginners and career changers with practical examples
- Guidance on integrating mainframe systems with modern technologies
- Comprehensive coverage of all major mainframe technologies and tools
- Completely free learning platform with no subscription required
|
|---|
| Free plan | Not given
| Not given
|
|---|
| Open source | Not given
| Not given
|
|---|
| Platforms | Not given
| Not given
|
|---|
| Public API | Not given
| Not given
|
|---|
| Community votes | 0 | 0 |
|---|
| DR (Domain Rating by Ahrefs) | 7 ▲ +1 (up) since last check | 11 ● no change since last check |
|---|
| Trust Flow (Majestic) | 7 | 7 |
|---|
| Citation Flow (Majestic) | 26 | 28 |
|---|
| Referring domains (Majestic) | 21 | 47 |
|---|
Nyrion
MainframeMaster