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Updated weekly · Last refresh Nov 11

SLB Software Engineer Interview Questions

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

50questions
~11htotal time
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1
System DesignStart here. 10 questions · ~138 min
Design an End-To-End ML System ArchitectureHard

Design an end-to-end ML architecture, justify the technology stack, and explain the tradeoffs and factors behind each decision.

cloud architectureml inferencearchitecture patternsSLB
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2
Coding19 questions + 1 drill · ~272 min
Linked List SortingMedium
Practice

Explain linked list advantages over arrays, then sort a singly linked list using merge sort.

ArraysData StructuresAlgorithmsSLB
Balanced Parentheses CodingMedium
Practice
Practice drill

Use a recursive CTE to determine whether each stored string has balanced parentheses, including empty and NULL inputs.

Codingnull handlingData ManipulationStripe
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3
Technical Fundamentals8 questions · ~110 min
Scrum FundamentalsMedium
Recently asked

Evaluates your understanding of Scrum concepts and how you work in agile teams.

ScrumSLB
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4
SQL & Data Manipulation3 questions + 2 drills · ~61 min
API 200 Status CodeEasy
Recently asked

Evaluates your understanding of HTTP semantics used in API communication.

APIsSLB
Top Wells Per Region SQLMedium
Practice
Practice drill

Rank oil wells within each region by total production and return the top three using PostgreSQL window functions.

Window FunctionsJoinsRankingSLB
Unique Elements and Top-K FrequenciesMedium
Practice
Practice drill

Return the first row for each unique value, then rank the k most frequent values.

large datasetsData Structurescomplex queriesEverlaw
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5
Behavioral & Leadership5 questions · ~69 min
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6
More topics5 questions · ~69 min
MOSFET Power ElectronicsMedium
Recently asked

Evaluates your fundamentals in power electronics and MOSFET concepts.

SLB
Stream Sensor Data via RESTHard
Recently asked

Tests API design for real-time streaming, scalability, and fit for SLB offshore-to-cloud data flows.

Stream Processingrest apisCloudSLB
Isolating and Building Docker AppsMedium
Recently asked

Assesses containerization skills and practical Dockerfile composition.

dockercontainerizationSLB
OOP Concepts for Drilling ToolsMedium
Recently asked

Tests OOP fundamentals and class design thinking in an energy equipment context.

technicaltechnical experienceoopSLB
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The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.