47 public Stripe New Grad Phone/Onsite coding problems reported from September 2021 through September 2026.

Interview reports: Part 1 · Part 2 · 2026 coding patterns （2026 candidates reports by Sep 22 :)

First of all, a special thank-you to the fren's friend for their patience! I said two days. It took two more.

Ranking 1 — Newest Reported

1. Validate Six-Column Business CSV Rows — 2 reports: 2026-09-22, 2025-11-21 · Phone
2. WebSocket Load Balancer — Parts 1–5 — 9 reports: 2026-09-16, 2026-07-26, 2025-12-03, 2025-11-16, 2025-11-11, 2025-11-08, 2025-10-30, 2025-10-03, 2025-09-23 · Onsite
3. Financial Account Ledger — 4 reports: 2026-09-14, 2026-09-11, 2026-09-10, 2026-09-08 · Phone
4. Rank Linked Merchants by Weighted Shared Attributes — 3 reports: 2026-09-09, 2026-01-05, 2025-12-04 · Phone
5. Project and Filter Structured Records — 2 reports: 2026-09-09, 2025-11-13 · Phone
6. Business Account KYC Verification — Parts 1–5 — 7 reports: 2026-09-07, 2026-05-04, 2025-12-07, 2025-11-17, 2025-11-16, 2025-11-10, 2025-11-07 · Phone
7. Evaluate Ordered Action Rules — 2 reports: 2026-08-30, 2026-08-29 · Phone
8. Invoice / Payment Reconciliation — 9 reports: 2026-08-13, 2026-08-10, 2026-07-28, 2026-02-20, 2026-02-09, 2026-02-07, 2026-01-05, 2025-04-09, 2025-03-18 · Phone
9. Linked Merchants Within Two Hops — 2 reports: 2026-08-13, 2026-01-05 · Phone
10. Account Balance Manager Part 1 - Calculate Totals — 4 reports: 2026-05-11, 2026-02-09, 2026-01-15, 2025-01-17 · Onsite
11. Account Balance Manager Part 2 - Reject Overdrafts — 4 reports: 2026-05-11, 2026-02-09, 2026-01-15, 2025-01-17 · Onsite
12. URL / Path Segment Compression Part 1 — 3 reports: 2026-04-08, 2023-11-17, 2023-09-18 · Phone/Onsite
13. URL Segment Compression Part 2 — Bounded Minor Parts — 3 reports: 2026-04-08, 2023-11-17, 2023-09-18 · Phone/Onsite
14. Email Subscription Scheduler — 12 reports: 2026-02-20, 2026-02-13, 2026-01-28, 2025-12-09, 2025-12-08, 2025-11-12, 2025-11-08, 2025-11-05, 2024-12-23, 2024-11-27, 2024-11-26, 2024-09-18 · Onsite
15. Shipping Cost Calculator Part 1 - Fixed Per-Unit Price — 12 reports: 2026-02-17, 2026-01-16, 2025-12-22, 2025-11-19, 2025-11-16, 2025-11-12, 2025-11-08, 2025-10-29, 2025-06-24, 2025-01-02, 2024-12-23, 2024-10-05 · Phone
16. Shipping Cost Calculator Part 2 - Volume-Tiered Pricing — 12 reports: 2026-02-17, 2026-01-16, 2025-12-22, 2025-11-19, 2025-11-16, 2025-11-12, 2025-11-08, 2025-10-29, 2025-06-24, 2025-01-02, 2024-12-23, 2024-10-05 · Phone
17. Shipping Cost Calculator Part 3 - Mixed Fixed/Incremental Tiers — 12 reports: 2026-02-17, 2026-01-16, 2025-12-22, 2025-11-19, 2025-11-16, 2025-11-12, 2025-11-08, 2025-10-29, 2025-06-24, 2025-01-02, 2024-12-23, 2024-10-05 · Phone
18. Transaction Fee Calculator Part 3 — Merchant / Provider Waiver — 3 reports: 2026-02-17, 2026-02-13, 2026-01-08 · Phone
19. Transaction Fee Calculator — Parts 1–2: Basic Fee Calculation and Conditional Fee Rules — 3 reports: 2026-02-13, 2026-01-12, 2026-01-08 · Phone
20. BitFont Part 3 - Decode Run-Length-Encoded Rows — 4 reports: 2026-02-07, 2025-09-28, 2024-12-25, 2024-08-07 · Onsite
21. BitFont Part 1 - Render a Character — 4 reports: 2026-02-07, 2025-09-28, 2024-12-25, 2024-08-07 · Onsite
22. BitFont Part 2 - Render a Word — 4 reports: 2026-02-07, 2025-09-28, 2024-12-25, 2024-08-07 · Onsite
23. Validate Timestamped Message Records — 1 report: 2026-01-17 · Phone
24. Filter Contacts by Email Domain — 1 report: 2026-01-16 · Onsite
25. Transaction Fraud Report Part 4 — Smart Fraud Error Reporting — 1 report: 2026-01-15 · Phone
26. Transaction Fraud Report Part 1 — Verify Data Integrity — 1 report: 2026-01-15 · Phone
27. Transaction Fraud Report Part 2 — High-Risk Rule Validation — 1 report: 2026-01-15 · Phone
28. Transaction Fraud Report Part 3 — User Behavior Matching — 1 report: 2026-01-15 · Phone
29. Transaction Fee Calculator — Volume-Based Discounts — 1 report: 2026-01-12 · Phone
30. Record Linkage Part 1 - Directly Linked Records — 2 reports: 2026-01-05, 2025-12-04 · Phone
31. Account Scheduler - Availability and Acquire — 1 report: 2025-12-04 · Onsite
32. Record Linkage Part 3 - Full Connected Component — 1 report: 2025-12-04 · Phone
33. HTTP Accept-Language Matching (Exact, Prefix, Wildcard) — 4 reports: 2025-01-02, 2021-09-27, 2021-07-23, 2021-05-10 · Phone
34. Currency Conversion Through Exchange Paths — 1 report: 2025-01-02 · Phone
35. Parse and Expand Supported Card Identifiers — 1 report: 2025-01-02 · Phone
36. Select Compatible Card Applications — 1 report: 2024-11-12 · Phone
37. Register and Transfer Brazilian Receivables — 2 reports: 2024-11-08, 2023-12-21 · Phone
38. Brazilian Receivables Part 3 — Partial Contracts — 1 report: 2024-11-08 · Phone
39. Parse and Enrich Imported Card Data — 1 report: 2023-12-21 · Phone
40. Resolve Visible User Features — 2 reports: 2023-11-30, 2023-10-24 · Phone
41. Weighted Server Load Balancer with TTL — 2 reports: 2023-11-30, 2023-11-17 · Onsite
42. Schedule Invoice Emails and Delinquencies — 2 reports: 2023-11-17, 2020-10-29 · Onsite
43. Sliding-Window Rate Limiter — 2 reports: 2023-11-17, 2021-04-23 · Onsite
44. Rebalance Bank Accounts to a Minimum Balance — 1 report: 2023-11-17 · Onsite
45. URL Segment Compression Part 3 — Global Token Budget — 1 report: 2023-11-17 · Onsite
46. Mutual Wishlist Rankings — 1 report: 2021-09-27 · Phone
47. Calculate Server Shutdown Penalty — 1 report: 2021-09-27 · Phone

Ranking 2 — Most Frequently Reported

1. Email Subscription Scheduler — 12 reports: 2026-02-20, 2026-02-13, 2026-01-28, 2025-12-09, 2025-12-08, 2025-11-12, 2025-11-08, 2025-11-05, 2024-12-23, 2024-11-27, 2024-11-26, 2024-09-18 · Onsite
2. Shipping Cost Calculator Part 1 - Fixed Per-Unit Price — 12 reports: 2026-02-17, 2026-01-16, 2025-12-22, 2025-11-19, 2025-11-16, 2025-11-12, 2025-11-08, 2025-10-29, 2025-06-24, 2025-01-02, 2024-12-23, 2024-10-05 · Phone
3. Shipping Cost Calculator Part 2 - Volume-Tiered Pricing — 12 reports: 2026-02-17, 2026-01-16, 2025-12-22, 2025-11-19, 2025-11-16, 2025-11-12, 2025-11-08, 2025-10-29, 2025-06-24, 2025-01-02, 2024-12-23, 2024-10-05 · Phone
4. Shipping Cost Calculator Part 3 - Mixed Fixed/Incremental Tiers — 12 reports: 2026-02-17, 2026-01-16, 2025-12-22, 2025-11-19, 2025-11-16, 2025-11-12, 2025-11-08, 2025-10-29, 2025-06-24, 2025-01-02, 2024-12-23, 2024-10-05 · Phone
5. WebSocket Load Balancer — Parts 1–5 — 9 reports: 2026-09-16, 2026-07-26, 2025-12-03, 2025-11-16, 2025-11-11, 2025-11-08, 2025-10-30, 2025-10-03, 2025-09-23 · Onsite
6. Invoice / Payment Reconciliation — 9 reports: 2026-08-13, 2026-08-10, 2026-07-28, 2026-02-20, 2026-02-09, 2026-02-07, 2026-01-05, 2025-04-09, 2025-03-18 · Phone
7. Business Account KYC Verification — Parts 1–5 — 7 reports: 2026-09-07, 2026-05-04, 2025-12-07, 2025-11-17, 2025-11-16, 2025-11-10, 2025-11-07 · Phone
8. Financial Account Ledger — 4 reports: 2026-09-14, 2026-09-11, 2026-09-10, 2026-09-08 · Phone
9. Account Balance Manager Part 1 - Calculate Totals — 4 reports: 2026-05-11, 2026-02-09, 2026-01-15, 2025-01-17 · Onsite
10. Account Balance Manager Part 2 - Reject Overdrafts — 4 reports: 2026-05-11, 2026-02-09, 2026-01-15, 2025-01-17 · Onsite
11. BitFont Part 3 - Decode Run-Length-Encoded Rows — 4 reports: 2026-02-07, 2025-09-28, 2024-12-25, 2024-08-07 · Onsite
12. BitFont Part 1 - Render a Character — 4 reports: 2026-02-07, 2025-09-28, 2024-12-25, 2024-08-07 · Onsite
13. BitFont Part 2 - Render a Word — 4 reports: 2026-02-07, 2025-09-28, 2024-12-25, 2024-08-07 · Onsite
14. HTTP Accept-Language Matching (Exact, Prefix, Wildcard) — 4 reports: 2025-01-02, 2021-09-27, 2021-07-23, 2021-05-10 · Phone
15. Rank Linked Merchants by Weighted Shared Attributes — 3 reports: 2026-09-09, 2026-01-05, 2025-12-04 · Phone
16. URL / Path Segment Compression Part 1 — 3 reports: 2026-04-08, 2023-11-17, 2023-09-18 · Phone/Onsite
17. URL Segment Compression Part 2 — Bounded Minor Parts — 3 reports: 2026-04-08, 2023-11-17, 2023-09-18 · Phone/Onsite
18. Transaction Fee Calculator Part 3 — Merchant / Provider Waiver — 3 reports: 2026-02-17, 2026-02-13, 2026-01-08 · Phone
19. Transaction Fee Calculator — Parts 1–2: Basic Fee Calculation and Conditional Fee Rules — 3 reports: 2026-02-13, 2026-01-12, 2026-01-08 · Phone
20. Validate Six-Column Business CSV Rows — 2 reports: 2026-09-22, 2025-11-21 · Phone
21. Project and Filter Structured Records — 2 reports: 2026-09-09, 2025-11-13 · Phone
22. Evaluate Ordered Action Rules — 2 reports: 2026-08-30, 2026-08-29 · Phone
23. Linked Merchants Within Two Hops — 2 reports: 2026-08-13, 2026-01-05 · Phone
24. Record Linkage Part 1 - Directly Linked Records — 2 reports: 2026-01-05, 2025-12-04 · Phone
25. Register and Transfer Brazilian Receivables — 2 reports: 2024-11-08, 2023-12-21 · Phone
26. Resolve Visible User Features — 2 reports: 2023-11-30, 2023-10-24 · Phone
27. Weighted Server Load Balancer with TTL — 2 reports: 2023-11-30, 2023-11-17 · Onsite
28. Schedule Invoice Emails and Delinquencies — 2 reports: 2023-11-17, 2020-10-29 · Onsite
29. Sliding-Window Rate Limiter — 2 reports: 2023-11-17, 2021-04-23 · Onsite
30. Validate Timestamped Message Records — 1 report: 2026-01-17 · Phone
31. Filter Contacts by Email Domain — 1 report: 2026-01-16 · Onsite
32. Transaction Fraud Report Part 4 — Smart Fraud Error Reporting — 1 report: 2026-01-15 · Phone
33. Transaction Fraud Report Part 1 — Verify Data Integrity — 1 report: 2026-01-15 · Phone
34. Transaction Fraud Report Part 2 — High-Risk Rule Validation — 1 report: 2026-01-15 · Phone
35. Transaction Fraud Report Part 3 — User Behavior Matching — 1 report: 2026-01-15 · Phone
36. Transaction Fee Calculator — Volume-Based Discounts — 1 report: 2026-01-12 · Phone
37. Account Scheduler - Availability and Acquire — 1 report: 2025-12-04 · Onsite
38. Record Linkage Part 3 - Full Connected Component — 1 report: 2025-12-04 · Phone
39. Currency Conversion Through Exchange Paths — 1 report: 2025-01-02 · Phone
40. Parse and Expand Supported Card Identifiers — 1 report: 2025-01-02 · Phone
41. Select Compatible Card Applications — 1 report: 2024-11-12 · Phone
42. Brazilian Receivables Part 3 — Partial Contracts — 1 report: 2024-11-08 · Phone
43. Parse and Enrich Imported Card Data — 1 report: 2023-12-21 · Phone
44. Rebalance Bank Accounts to a Minimum Balance — 1 report: 2023-11-17 · Onsite
45. URL Segment Compression Part 3 — Global Token Budget — 1 report: 2023-11-17 · Onsite
46. Mutual Wishlist Rankings — 1 report: 2021-09-27 · Phone
47. Calculate Server Shutdown Penalty — 1 report: 2021-09-27 · Phone