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Johnson Controls Software Engineer Interview Questions

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

50questions
~7htotal time
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1
CodingStart here. 10 questions · ~85 min
Anagram DetectionEasy
Practice

Determine whether two lowercase words are anagrams using a frequency map in O(n) time.

string manipulationJohnson Controls
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2
Execution5 questions · ~43 min
Tell Me About YourselfEasy

Deliver a concise introduction that connects your experience, Solutions Architect strengths, and interest in the University of Cincinnati.

Success CriteriaExecutionRoadmappingJohnson Controls
Your Strengths and WeaknessesEasy

Give a specific, self-aware account of your strengths and weaknesses, supported by relevant examples and improvement actions.

Trade-offsSuccess CriteriaExecutionJohnson Controls
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3
Security & Infrastructure13 questions · ~111 min
PLC, Transformers, and Control SystemsMedium

Assesses breadth of electrical and control-system fundamentals for machinery and building systems.

Johnson Controls
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4
Technical Fundamentals13 questions · ~111 min
SolidWorks Tool DesignMedium

Evaluates your practical CAD/design workflow knowledge and technical communication.

Johnson Controls
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5
System Design3 questions · ~26 min
Chiller Plant Management SystemMedium

Assesses understanding of HVAC chiller plant management concepts.

Johnson Controls
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6
Behavioral & Leadership4 questions · ~34 min
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7
More topics2 questions · ~17 min
OOP and SQL JoinsMedium

Evaluates understanding of OOP concepts and practical SQL join usage.

JoinssqlJohnson Controls
Transformer TypesMedium

Tests knowledge of data transformation components used in ML/data pipelines.

transformersdata processingETLJohnson Controls
Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
SQL for Branch Performance TrendsHard
Practice
Practice drill

Aggregate monthly branch metrics, compare month-over-month trends, and flag unusually high transaction activity.

Lag/LeadDate FunctionsJoinsJohnson ControlsByline Bank.
SQL for Monthly SLA AttainmentMedium
Practice
Practice drill

Calculate monthly team SLA performance with ticket counts, on-time rates, and percentage-point changes from the prior month.

Window FunctionsLag/LeadDate FunctionsJohnson Controls
SQL Query by Employee IDMedium
Practice
Practice drill

Retrieve an employee and trace their reporting chain from normal employee through manager, director, vice president, and CEO.

data relationshipsnull handlingJoinsInfor
The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.