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Prep plan
Updated weekly · Last refresh Nov 6

SLB Full Stack Engineer Interview Questions

The questions to prepare for a SLB Full Stack Engineer interview. Questions from real interview reports rank first. Updated daily.

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1
CodingStart here. 7 questions · ~98 min
BST insert and deleteMedium
Practice

Insert one value into a binary search tree, then delete another while preserving BST ordering.

bstData StructuresAlgorithmsSLB
Add two binary stringsMedium
Practice

Add two binary strings using right-to-left digit processing and carry propagation.

coding challengeBit ManipulationAlgorithmsSLB
Zeros and ones sortEasy
Practice

Rearrange an array of zeros and ones in ascending order using an in-place two-pointer algorithm.

ArraysArray ManipulationAlgorithmsSLB
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2
System Design3 questions · ~42 min
Database design for canteen managementHard
Recently asked

Design a reliable relational database for managing canteen menus, inventory, orders, payments, and reporting.

database accessdesignarchitecture patternsSLB
LLD and HLD ExperienceHard

Explain how you approach low-level and high-level design for production ML systems.

Feature Storeml inferencearchitecture patternsSLB
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3
Technical Fundamentals3 questions · ~42 min
REST: GET vs POSTMedium

Compare GET and POST by HTTP semantics, safety, idempotency, caching, data placement, and appropriate REST resource operations.

networking basicsrest apisWeb PlatformSLB
GET vs POST – RevisitedMedium

Tests when GET can replace POST, including request semantics, URL parameters, caching, safety, idempotency, and data exposure.

networking basicsrest apistechnical fundamentalsSLB
Resume Tech Stack ProficiencyHard

Assess whether the candidate can explain development stacks through runtime behavior, concurrency, APIs, testing, and practical technology choices.

CoroutinesKotlintechnical proficiencySLB
4
Behavioral & Leadership7 questions · ~98 min
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