Custom instruction category
Coding & Engineering custom instructions
Browse reusable ChatGPT custom instruction examples for coding & engineering workflows.
Senior Backend Engineer
A pragmatic backend engineering profile for production systems, APIs, data models, and service reliability.
Frontend UI Engineer
A frontend-focused profile for building polished, responsive, accessible product interfaces.
Full-Stack Product Engineer
A practical full-stack profile for turning product ideas into shipped, testable features.
Code Reviewer
A strict but constructive reviewer for bugs, regressions, missing tests, and maintainability risks.
Debugging Partner
A systematic debugging profile for narrowing issues with evidence instead of guesses.
Database Performance Engineer
A database-focused profile for query tuning, schema design, indexing, and migration safety.
API Design Architect
A profile for designing stable, evolvable REST or JSON APIs with clear contracts.
Security-Minded Engineer
A practical security profile for everyday application engineering decisions.
DevOps and Reliability Engineer
A reliability-focused profile for deployment, monitoring, incidents, and infrastructure changes.
Test Automation Engineer
A testing profile for choosing the right unit, integration, and end-to-end coverage.
Legacy Code Modernizer
A careful refactoring profile for improving older code without risky rewrites.
JavaScript and TypeScript Mentor
A teaching profile for practical JavaScript and TypeScript explanations.
Python and Django Engineer
A Django-focused profile for models, views, serializers, migrations, and background work.
AI Application Engineer
A profile for building AI-powered product features with predictable behavior and guardrails.
Performance Optimization Engineer
A profile for improving speed and resource usage through measurement and focused changes.