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Adrean Jan Quidor (Kofeejan)

[ SERVICES ]

Services

Full-stack builds, AI workflow automation, and game development — scoped work with clear deliverables and handoff.

Hiring for a full-time role? Skip to projects for engineering depth.

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Contact for quote · scoped engagements

AI Workflow Automation

Identify and eliminate manual bottlenecks with AI — built for small teams, deployable anywhere.

[ INCLUDED ]

  • Workflow discovery and automation scoping
  • AI-assisted triage, classification, or document processing
  • Flexible model integration (Gemini, OpenAI, local models)
  • Cloud or on-premise deployment
  • Handoff documentation

[ OUT OF SCOPE ]

  • Custom model training
  • Ongoing prompt tuning beyond delivery
  • Third-party API licensing costs
PythonAIRAGAutomationGCPLocal Deployment

Full Stack Development (Backend-Focused)

End-to-end development with a backend-first approach — from API design and database modeling to frontend integration and serverless deployment.

[ INCLUDED ]

  • REST API design and implementation
  • Database schema design (PostgreSQL / Neon)
  • Authentication and authorization
  • Frontend implementation (React / Next.js)
  • Serverless deployment (GCP Cloud Run / AWS Lambda)
  • API documentation

[ OUT OF SCOPE ]

  • UI/UX design and prototyping
  • Ongoing maintenance beyond agreed scope
  • Third-party service licensing costs
PythonFastAPINestJSReactNext.jsPostgreSQLGCPAWS

Game Development

Generalist game development support — from systems and mechanics to levels and boss design.

[ INCLUDED ]

  • Game systems and mechanic design
  • Level design and layout
  • Animation implementation
  • Boss mechanics and encounter design
  • Unity / C# development

[ OUT OF SCOPE ]

  • Art asset creation (sprites, models)
  • Sound design and music
  • Publishing and store submission
UnityC#Game DesignLevel DesignAnimation

[ PROCESS ]

How a project runs

  1. [ 01 ]

    Discovery call

    30-minute scope review — problem, constraints, timeline, and fit.

  2. [ 02 ]

    Proposal

    Written scope, deliverables, timeline, and a quote based on your needs.

  3. [ 03 ]

    Build & deliver

    Incremental checkpoints, async updates, and handoff with docs.

[ FAQ ]

FAQ

How many revisions are included?
Two revision rounds per milestone are included. Additional scope changes are quoted separately before work continues.
Who owns the IP?
You own the deliverables upon final payment. I retain the right to describe the work in my portfolio unless under NDA.
How do we communicate?
Async-first via email or Slack. Weekly sync calls available for active builds. I reply within 24 hours on business days.

Ready to scope a build? Share project type, budget, and timeline on the contact page.

Start a project