Inspiration

In the high-velocity world of startups and hackathons, "move fast and break things" is the mantra. But often, what gets broken is code quality, security, and scalability. We noticed that junior developers and solo founders often lack the guidance of a seasoned Principal Engineer to review their work. We asked ourselves: "What if we could digitize the wisdom of a Staff Engineer and make it available to everyone, instantly?" That's how Staff Check was born—an AI-powered mentor that doesn't just find bugs, but architects your future. "Don't just ship it. Get a StaffCheck."

What it does

Staff Check is an autonomous "AI Principal Engineer" that performs high-fidelity audits on public GitHub repositories. Unlike simple linters, it understands architectural context.

  1. Deep Code Analysis: It scans your entire codebase for Security Vulnerabilities (OWASP), PII leaks, and hardcoded secrets.
  2. Architectural Review: It identifies "code smells" and anti-patterns that technical debt is made of.
  3. Scalability Roadmap: Uniquely, it provides a strategic plan to refactor monolithic code into production-grade microservices.
  4. Audio Briefing: It even synthesizes an "Executive Audio Briefing" using ElevenLabs, so you can listen to your code review on the go.

How we built it

We built a robust, cloud-native architecture leveraging best-in-class tools:

  • Google Cloud & Gemini 3 Flash Preview: The brain of our operation. We use the latest Gemini models for their massive context window to ingest and understand entire repositories at once.
  • FastAPI & Python: The high-performance backend that orchestrates the workflow.
  • MongoDB Atlas: Serves as our persistence layer, storing detailed audit history.
  • Vultr: Provides the raw compute power to host our inference engine and backend.
  • ElevenLabs: Converts text-based insights into human-like audio summaries.
  • Snowflake: Used for analyzing vulnerability trends across audited repos.

Challenges we ran into

  • Context Windows: Even with modern LLMs, fitting large repositories into a single context window was tricky. We had to optimize how we fetch and feed code to the model using the GitHub API.
  • Hallucination vs. Reality: Tuning the AI to be "strict" like a senior engineer without generating false positives was a prompt engineering challenge.
  • Integration Overload: Orchestrating a workflow that touches GitHub, Google Cloud, Vultr, MongoDB, and ElevenLabs required precise asynchronous programming to keep the user experience snappy.

Accomplishments that we're proud of

  • "Senior" Level Insight: We achieved a level of analysis that feels genuinely human-like—identifying architectural flaws, not just syntax errors.
  • Seamless Pipeline: We successfully integrated a complex stack (AI, Database, Voice, Cloud) into a simple API that anyone can query.
  • Gemini 3 Integration: Being among the first to leverage the speed and intelligence of Gemini 3 Flash Preview for code auditing.

What we learned

  • The "Senior" Gap: We learned that the difference between junior and senior code is often structural, not functional. AI is surprisingly good at spotting these structural nuances.
  • The Power of Multimodal: Combining text analysis with audio output creates a much more engaging "mentorship" experience than just reading a log file.

What's next for Staff Check

  • Private Repo Support: Adding secure authentication to audit private codebases.
  • IDE Extension: Bringing Staff Check directly into VS Code for real-time mentorship.
  • Auto-Refactoring: Moving from "suggesting" changes to automatically opening Pull Requests with the recommended microservices architecture.

Built With

  • fastapi
  • gemini3
  • githubrestapi
  • python
  • uvicorn
Share this project:

Updates