Sequential Developer Roadmap

Learn Ecommerce & CRO
In Step-by-Step Order

No random articles or disconnected jargon. Follow structured, chronological learning tracks that take you from core domain logic to advanced Shopify & CRO engineering.

Start Step 1: Catalog Architecture → Explore 4 Master Tracks
The Big Picture

Master Architecture Flow

How ecommerce domain concepts connect sequentially from catalog entry to optimization:

1. Catalog

Product & Variant

Merchandising structure & SKUs

→
2. Inventory

Stock & Location

Multi-warehouse inventory

→
3. Checkout

Order & Payment

Transactions & fulfillment

→
4. Growth

Metrics & CRO

Hypotheses & A/B testing

Master Chronological Tracks

Choose a track and follow the sequential steps in exact order:

01 Track 1 12 Steps in Sequence

Product & Catalog Architecture

Learn how products, variants, SKUs, barcodes, catalogs, and inventory fit together.

Start Track (Step 1) →
Step-by-Step Sequence:
  1. 1 Product concept
  2. 2 Variant concept
  3. 3 Product vs Variant comparison
  4. 4 Shopify Product Architecture shopify
  5. 5 SKU (Stock Keeping Unit) concept
  6. 6 Barcode (UPC / EAN / GTIN) concept
  7. 7 SKU vs Barcode comparison
  8. 8 Inventory concept
  9. 9 Catalog concept
  10. 10 Catalog vs Inventory comparison
  11. 11 Shopify Inventory Architecture shopify
  12. 12 Shopify Variant Architecture shopify
02 Track 2 11 Steps in Sequence

Commerce Participants, Pricing & Discounts

Master the relationships between merchants, vendors, customers, prices, discounts, and coupons.

Start Track (Step 1) →
Step-by-Step Sequence:
  1. 1 Merchant concept
  2. 2 Ecommerce Supply Chain concept
  3. 3 Retailer concept
  4. 4 Vendor concept
  5. 5 Merchant vs Vendor comparison
  6. 6 Customer concept
  7. 7 User vs Customer comparison
  8. 8 Price & Compare-At Price concept
  9. 9 Discount concept
  10. 10 Coupon & Promo Code concept
  11. 11 Discount vs Coupon comparison
03 Track 3 13 Steps in Sequence

Orders, Payments & Fulfillment

Understand checkout orders, payment gateway authorizations, multi-location inventory, and shipping.

Start Track (Step 1) →
Step-by-Step Sequence:
  1. 1 Order concept
  2. 2 Order vs Transaction comparison
  3. 3 Payment Gateway concept
  4. 4 Location concept
  5. 5 Warehouse concept
  6. 6 Third-Party Logistics (3PL) concept
  7. 7 Warehouse vs Location comparison
  8. 8 3PL vs In-House Fulfillment comparison
  9. 9 Shopify Location Architecture shopify
  10. 10 Fulfillment concept
  11. 11 Subscription Commerce concept
  12. 12 Product Bundles concept
  13. 13 Shopify Selling Plan Architecture shopify
04 Track 4 19 Steps in Sequence

Metrics, CRO & Experimentation

Learn conversion rate formulas, hypotheses, A/B testing logic, and optimization frameworks.

Start Track (Step 1) →
Step-by-Step Sequence:
  1. 1 Conversion Rate metric
  2. 2 Revenue metric
  3. 3 CRO Hypothesis cro
  4. 4 Profit Margin metric
  5. 5 A/B Testing & Experimentation cro
  6. 6 Revenue vs Profit comparison
  7. 7 Margin vs Markup comparison
  8. 8 KPI (Key Performance Indicator) metric
  9. 9 CRO (Conversion Rate Optimization) cro
  10. 10 Conversion Goal cro
  11. 11 Quantitative Research in CRO cro
  12. 12 Qualitative Research in CRO cro
  13. 13 CRO Insight cro
  14. 14 CRO Opportunity cro
  15. 15 Control vs Variation comparison
  16. 16 CRO Test Plan cro
  17. 17 Personalization cro
  18. 18 Shopify PDP Optimization Guide shopify
  19. 19 Ecommerce CRO Audit Framework cro

Type a keyword like Variant, SKU, Conversion Rate, or Hypothesis