Selling online courses is one of the highest-leverage side hustles for developers. You do the work once — recording, editing, and publishing — and earn money every month thereafter. Developer courses on Udemy alone generate $500M+ annually, and independent creators on platforms like Podia and Teachable keep 90%+ of revenue. The challenge is no longer "can you make money with courses" but "how do you create a course that stands out in 2026?"
Course Platforms Compared
| Platform | Revenue Share | Best For | Monthly Fee | Key Feature |
|---|---|---|---|---|
| Udemy | You keep 37% (organic) or 97% (your link) | Discovery, reaching new audiences | Free | 500M+ users, built-in search traffic |
| Teachable | You keep 95% (Pro plan) | Building your own brand | $39-119/mo | Full control, bundles, coupons, affiliates |
| Podia | You keep 100% (no transaction fees) | All-in-one: courses + community + email | $39-79/mo | Built-in email marketing, webinars |
| Skillshare | Royalty pool based on watch time | Supplemental income, short-form content | Free | Low barrier to publish, recurring royalty |
| Gumroad | 10% (free) or $10/mo (flat) | Simple, one-off course sales | Free or $10/mo | Dead simple, great for small courses |
Picking a Winning Course Topic
Best for: Developers who enjoy teaching and have deep knowledge in a specific technology or framework. Weak spot: Courses take 40-80 hours to produce — do not create one without validating demand first.
The IDEAL framework for topic selection:
- I — Interest: You genuinely enjoy the topic and can speak about it for hours
- D — Demand: People are already searching for this (check Udemy bestsellers, Google Trends, YouTube search volume)
- E — Expertise: You have real, production-level experience (not just reading docs)
- A — Angle: Your course has a unique spin — "React for Backend Developers" vs generic "Learn React"
- L — Longevity: The technology has staying power (React, Python, AWS — not a framework released last month)
Course Pricing Strategy
| Course Type | Length | Price Range | Example |
|---|---|---|---|
| Mini-course / Workshop | 1-3 hours | $19-49 | "Docker in 2 Hours for Developers" |
| Standard Course | 5-12 hours | $49-149 | "Complete Next.js 15 Bootcamp" |
| Premium Deep Dive | 15-30 hours | $149-499 | "System Design for Senior Engineers" |
| Cohort-Based Course | 4-8 weeks live | $500-2,000 | "AI Engineering Bootcamp" |
Bottom line: Start with a mini-course ($29-49) on a platform like Gumroad or Podia to validate your topic and teaching style. Use the feedback to create a premium full course. The money is not in the course itself — it is in the audience you build around it, which leads to consulting, speaking, and higher-ticket offers. See also: YouTube Channel Guide and Selling Digital Products.