Course platform + payments
Bilingual Django LMS: guest checkout, Bold + PayPal, 12-month access, 100-question exam and cost-controlled AI tutor.
Digital product for Claude Architect certification prep: low-friction funnel (guest checkout), retention, lead magnet, 1:1 mentoring and B2B track, with rate-limited AI tutor.
The challenge
- 1Charge locally and globally (Bold + PayPal).
- 2Unlock access automatically after payment.
- 3Control AI tutor cost.
- 4SEO/GEO/AEO + ES/EN i18n.
The approach
Django + HTMX
LMS and catalog with native i18n and static Tailwind.
Idempotent payments
Bold (HMAC) and PayPal Smart Buttons + webhooks.
Guarded tutor
Keyword RAG + cache/rate-limit.
Growth loops
Lead-magnet mini-quiz and mentoring/B2B plans.
Visitor → Django LMS → Bold/PayPal → 12-month access → lessons/exam + RAG tutor on Postgres.
System layers
- 01Sales catalog / landing
- 02Accounts + timed access
- 03Bold/PayPal payments
- 04Courses + exam
- 05RAG assistant
- 06B2B leads / mentoring
Applied stack
- Django
- HTMX
- PostgreSQL
- Bold
- PayPal
- RAG
- Tailwind
Design decisions
Guest checkout
Less friction = more conversion for digital goods.
Dual PSP
LatAm coverage (Bold) + global (PayPal).
Tutor rate-limits
Course margin must not evaporate into tokens.
Outcomes
- 12m
- Post-payment access
- 100
- Exam questions
- 2
- PSPs (Bold + PayPal)
Key points
- Guest checkout: account created after payment.
- Unit economics protected on the AI tutor.
- Render/Railway ready with WhiteNoise.
Fit / how to hire
Hire this if you need senior product/engineering for EdTech or growth-with-payments who protects unit economics, not just checkout. Deliverables: funnel → charge → access → retention, with the AI tutor's cost under control.
Book a technical call
