Veeva Systems coding interview
questions, leaked.
5 problems reported across recent Veeva Systems interviews. Top patterns: string, hash table, array. The list below is what most reported candidates actually saw, plus the honest play if you can't grind all of it.
Veeva Systems asks only medium-difficulty problems, which means the bar is deceptively high. You won't see easy warmups. The five problems that show up repeatedly anchor on strings and hash tables, with array manipulation close behind. Group Anagrams, Generate Parentheses, Valid Sudoku, Min Stack, and Longest Substring Without Repeating Characters form the core. If you can solve these cleanly under time pressure, you're competitive. If you blank on one mid-assessment, StealthCoder surfaces a working solution invisibly, so you don't lose the entire section.
Top problems at Veeva Systems
| # | Problem | Diff | Frequency | Pass % | Patterns |
|---|---|---|---|---|---|
| 01 | Group Anagrams | MEDIUM | 100.0 | 71% | Array · Hash Table · String |
| 02 | Generate Parentheses | MEDIUM | 89.0 | 77% | String · Dynamic Programming · Backtracking |
| 03 | Valid Sudoku | MEDIUM | 89.0 | 62% | Array · Hash Table · Matrix |
| 04 | Min Stack | MEDIUM | 89.0 | 56% | Stack · Design |
| 05 | Longest Substring Without Repeating Characters | MEDIUM | 89.0 | 37% | Hash Table · String · Sliding Window |
Frequencies derived from public community-tagged interview reports. Click a row to view on LeetCode.
You have a week, maybe less. You can't out-grind the list above. StealthCoder runs invisibly during the actual Veeva Systems OA. The proctor cannot see it. Screen share cannot detect it. Built by an engineer who got tired of watching his cohort grind for six months and still get filtered at the OA stage.
Get StealthCoder- string3 · 60%
- hash table3 · 60%
- array2 · 40%
- dynamic programming1 · 20%
- backtracking1 · 20%
- matrix1 · 20%
- sorting1 · 20%
- stack1 · 20%
- design1 · 20%
- sliding window1 · 20%
Strings appear three times in the topic distribution, hash tables three times. That's your foundation. Array problems follow at two appearances, and the tail includes one-off dynamic programming, backtracking, matrix, sorting, stack, design, and sliding-window hits. The interview is all medium, so speed and clean code matter more than exotic algorithms. You need to nail string parsing (anagrams, substring patterns), hash-table lookups (grouping, uniqueness checks), and stack operations under time constraint. Backtracking and DP show up but infrequently. If you run out of time drilling everything, hit strings and hash tables first, then arrays. StealthCoder is your hedge for the live assessment if you hit a pattern you didn't fully memorize.
Companies with similar patterns
If you prepped for Veeva Systems, these companies recycle ~60% of the same topics.
You've seen the list.
Now make sure you pass Veeva Systems.
Memorizing every problem above in a week is a fantasy. StealthCoder is the hedge: an AI overlay that's invisible during screen share. It reads the problem on screen and surfaces a working solution in under 2 seconds. Built by an engineer who got tired of watching his cohort grind for six months and still get filtered at the OA stage. Works on HackerRank, CodeSignal, CoderPad, and Karat.
Veeva Systems interview FAQ
How many hash-table problems should I solve before a Veeva interview?+
Hash tables appear in 3 of 5 problems here. Solve at least 10 to 15 hash-table focused problems covering grouping, frequency counting, and duplicate detection. Group Anagrams and Valid Sudoku are non-negotiable. Drill until you build the map reflexively.
Is string manipulation enough prep for Veeva's assessment?+
Strings dominate at 3 appearances, but they're often paired with hash tables or sliding windows. Don't treat strings in isolation. Practice anagram detection, substring patterns, and character-frequency tracking together. Longest Substring Without Repeating Characters ties all three concepts together.
What should I study first for a medium-only coding interview?+
Veeva has zero easy problems, so skip the warmup tier. Start with hash-table fundamentals and string processing, which together cover half the test. Then move to array manipulation and stack operations. Leave backtracking and DP for day two if you have time.
How much time should I spend on backtracking and dynamic programming?+
Backtracking and DP each appear once in Veeva's problem set. Generate Parentheses is the only DP hit. If you're tight on time, these are lower priority than hash tables and strings. Drill them after you're solid on the core five problems.
Do I need to know matrix problems for Veeva?+
Matrix shows up once in Valid Sudoku. It's a single-problem topic, so learn the specific trick of using sets to validate rows, columns, and 3x3 boxes. Don't spend weeks on matrix rotation or path-finding. Focus on the exact problem pattern.