Company interview vault

Tech Mahindra Mid-level (3–5 years) System design

#3631

How would you design a scalable file upload service? — Tech Mahindra interview

Reported in Tech Mahindra interview loops. Design question around large files, durability, and secure uploads.

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Tech Mahindra Mid-level (3–5 years) Coding / DSA

#3632

Explain Union-Find for dynamic connectivity problems — Tech Mahindra interview

Reported in Tech Mahindra interview loops. Disjoint set union structure used in graph connectivity interviews.

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Tech Mahindra Mid-level (3–5 years) Coding / DSA

#3633

How do you find median of two sorted arrays in log time? — Tech Mahindra interview

Reported in Tech Mahindra interview loops. Hard interview classic requiring binary search partition logic.

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Tech Mahindra Mid-level (3–5 years) Coding / DSA

#3634

When would you use a Trie for prefix search? — Tech Mahindra interview

Reported in Tech Mahindra interview loops. Data structure trade-off question for autocomplete and dictionary lookups.

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Tech Mahindra Mid-level (3–5 years) Coding / DSA

#3635

Explain minimum window substring sliding window approach — Tech Mahindra interview

Reported in Tech Mahindra interview loops. Advanced string window question seen in strong coding interviews.

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HCLTech Mid-level (3–5 years) Technical deep dive

#3636

How do SOLID principles help in real-world codebases? — HCLTech interview

Reported in HCLTech interview loops. OOD theory-to-practice question for maintainability.

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HCLTech Mid-level (3–5 years) Technical deep dive

#3637

Design a parking lot system using OOD principles — HCLTech interview

Reported in HCLTech interview loops. Object-oriented design classic testing modeling and extensibility.

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HCLTech Mid-level (3–5 years) Technical deep dive

#3638

How do you manage secrets safely in CI/CD pipelines? — HCLTech interview

Reported in HCLTech interview loops. Security-focused DevOps interview question for pipeline hardening.

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HCLTech Mid-level (3–5 years) Technical deep dive

#3639

How should Terraform state be managed in teams? — HCLTech interview

Reported in HCLTech interview loops. Infrastructure as code question around remote state and safety.

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HCLTech Mid-level (3–5 years) Technical deep dive

#3640

Compare blue-green and canary deployment strategies — HCLTech interview

Reported in HCLTech interview loops. Release engineering question focused on risk mitigation.

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HCLTech Mid-level (3–5 years) Technical deep dive

#3641

How do you debug CrashLoopBackOff in Kubernetes? — HCLTech interview

Reported in HCLTech interview loops. DevOps troubleshooting interview question for container orchestration.

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HCLTech Mid-level (3–5 years) Technical deep dive

#3642

How do you optimize unnecessary React re-renders? — HCLTech interview

Reported in HCLTech interview loops. Frontend performance question around memoization and state modeling.

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HCLTech Mid-level (3–5 years) Technical deep dive

#3643

When to choose asyncio vs threading in Python? — HCLTech interview

Reported in HCLTech interview loops. Python concurrency interview topic for backend roles.

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HCLTech Mid-level (3–5 years) Technical deep dive

#3644

Explain transaction propagation in Spring Boot — HCLTech interview

Reported in HCLTech interview loops. Framework internals question common in backend interviews.

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HCLTech Mid-level (3–5 years) Manager / leadership

#3645

Describe successful cross-functional collaboration — HCLTech interview

Reported in HCLTech interview loops. Behavioral question on working with product, design, and support teams.

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