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Updated weekly · Last refresh Aug 30

Alcatel-Lucent Motive Software Engineer Interview Questions

The questions to prepare for a Alcatel-Lucent Motive Software Engineer interview. Questions from real interview reports rank first. Updated weekly.

50questions
~9htotal time
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1
CodingStart here. 9 questions · ~99 min
Merge Two Sorted Linked ListsEasy
Practice

Merge two sorted singly linked lists into one sorted list by relinking existing nodes.

RecursionLinked ListsSortingAlcatel-Lucent Motive
Two Sum ProblemEasy
Practice

Find two indices in an array whose values add up to a target using a hash map.

Hash TablesArraysTwo PointersAlcatel-Lucent Motive
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2
SQL & Data Manipulation7 questions + 2 drills · ~97 min
3
System Design8 questions · ~88 min
Design Cold Start RecommendationsHard

Design a recommendation system strategy for new users and new items when interaction history is sparse or missing.

Cold StartFeature StoreRecommendation SystemsAlcatel-Lucent Motive
Design a Personalized Product RecommenderHard

Design an end-to-end product recommendation system for a large e-commerce marketplace with strict latency and freshness needs.

Feature StoreFeature DriftModel ServingAlcatel-Lucent Motive
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4
Execution9 questions · ~99 min
Design a Production Rollback PlanMedium

Design a rollback plan for a failed production deployment, including triggers, ownership, validation, and safe recovery steps.

Rollback PlanSuccess CriteriaRisk AssessmentAlcatel-Lucent Motive
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5
Pipelines6 questions · ~66 min
Backfill Missing Customer DataHard

Design a safe backfill for missing customer records after an upstream fix, with idempotent reprocessing and data quality checks.

IdempotencyDependenciesBackfillingAlcatel-Lucent Motive
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6
Security & Infrastructure9 questions · ~99 min
MO and MT Call FlowsHard

Evaluates ability to reason through mobile-originated and mobile-terminated procedures.

Alcatel-Lucent Motive
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7
More topics2 questions · ~22 min
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The finish line: interview-readyComplete all 50 questions plus 2 hands-on drills to finish this plan.