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Updated weekly · Last refresh Aug 30

Blentech Software Engineer Interview Questions

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

12questions
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1
ExecutionStart here. 7 questions · ~56 min
Real-Time PLC Data CollectionMedium

Tests understanding of real-time constraints, data pipelines, and safe integration with control systems.

real-time systemsBlentech
Cloud Data Outage from FloorHard

Tests incident response, resilience design, and data integrity strategies for industrial systems.

manufacturingCloudBlentech
API Integration Between SystemsMedium

Tests systems integration understanding and ability to design for interoperability and reliability.

system integrationAPIsBlentech
Git Version Control and DocsMedium

Tests collaboration practices, traceability, and maintainable engineering workflows.

version controlgitdocumentationBlentech
Edge to Cloud Communication DebugMedium

Tests diagnostic skills across network and application layers in an industrial edge-to-cloud setup.

TroubleshootingBlentech
Balancing Hotfixes and StabilityMedium

Tests prioritization, risk management, and disciplined engineering practices.

Blentech
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2
Behavioral & Leadership4 questions · ~32 min
Interest in MQTT and Industrial ProtocolsEasy

Tests familiarity with industrial messaging and readiness to work with Blentech edge and cloud systems.

learningBlentech
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3
More topics1 question · ~8 min
SQL and Reporting DatabasesMedium

Tests database querying skills and ability to support reporting needs reliably.

database managementsqlreportingBlentech

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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
SQL Bookstore Schema PracticeEasy
Practice
Practice drill

Use a CTE, joins, and distinct aggregates to calculate Meta Logistics bookstore payment metrics.

sql queriessqlpythonMeta Logistics
Top 5 Products Per MonthMedium
Practice
Practice drill

Rank completed product sales by month using joins, aggregation, date truncation, and ROW_NUMBER().

sqlCGICgi NederlandCGI Group
Top Users by Recent Transaction VolumeMedium
Practice
Practice drill

Find the top 3 users by completed transaction volume in the last 30 days using joins and aggregation.

Data Analysisquery optimizationsqlTTier 1 BankRevolutChime
The finish line: interview-readyComplete all 12 questions plus 3 hands-on drills to finish this plan.