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Updated weekly · Last refresh Sep 20

Span Construction & Engineering Software Engineer Interview Questions

The questions to prepare for a Span Construction & Engineering Software Engineer interview. Questions from real interview reports rank first. Updated daily.

30questions
~4htotal time
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1
SQL & Data ManipulationStart here. 5 questions + 2 drills · ~65 min
Second Highest Without AggregatesHard
Practice

Find the second highest salary in each department without using aggregate functions.

SubqueriesRankingSelf-JoinsSpan Construction & Engineering
React and MySQL BasicsMedium

Tests understanding of React fundamentals and basic database integration concepts.

reactmysqlSpan Construction & Engineering
Second Highest Trader SalaryEasy
Practice
Practice drill

Find the second highest distinct salary from a single table using basic PostgreSQL ordering and limiting.

SubqueriesRankingSortingeClinicalWorksNNeenOpal CanadaInformatica
Refactoring a Slow QueryMedium
Practice
Practice drill

Refactor a slow Candid Health claims query using pre-aggregation, latest-event logic, and monthly payer metrics.

Performance Tuningdatabase optimizationCTEsCandid Health
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2
Coding14 questions · ~125 min
Checking Whether a Number Is PrimeEasy

Explain how to test whether an integer is prime efficiently using trial division up to the square root.

MathSearchingGreedySpan Construction & Engineering
Linked Lists vs ArraysEasy

Compare arrays and linked lists by memory layout, access cost, and update performance, and explain when each is the better choice.

Linked ListsArraysSearchingSpan Construction & Engineering
Method Overloading vs OverridingEasy

Compare method overloading and method overriding in object-oriented programming, including binding, inheritance, and polymorphism.

javaabstractionoopSpan Construction & Engineering
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3
Behavioral & Leadership8 questions · ~71 min
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4
More topics3 questions · ~27 min
I2C vs SPIMedium

Assesses understanding of common hardware communication protocols and tradeoffs.

i2cspiSpan Construction & Engineering
Entity Framework for Backend WorkEasy

Tests understanding of ORM concepts and practical benefits for backend database access.

databasetechnical experienceFrameworksSpan Construction & Engineering
Project Architecture and ChallengesMedium

Tests ability to explain system design decisions and communicate technical problem-solving.

recent projectsProblem Solvingtechnical experienceSpan Construction & Engineering
The finish line: interview-readyComplete all 30 questions plus 2 hands-on drills to finish this plan.