Tier 2 & Tier 3

Stripe, Airbnb, Snowflake, Databricks, Cloudflare, and 30+ more, each with its own loop.

Tier 2

Tier 3

Cloudflare

tier-3

Hard

3–5 weeks. HM screen prioritized earlier. Live coding mimicking day-to-day (debugging/refactoring, not tree traversal). Take-home + Code Pair extension. System design forbids managed services.

Domain Deep-diveStrong System Design
2 topics0%

Datadog

tier-3

Hard

3–6 weeks, 4–5 stages. Tech phone screen → onsite 4–5 rounds: 2 pair-programming CoderPad coding, system design (Excalidraw), debugging/production-simulation round, behavioral/HM.

AI ProhibitedDomain Deep-dive
1 topics0%

Atlassian

tier-3

Tough

Values-led loop. Pair-programming coding rounds, system design, behavioral mapped to 5 values.

Culture Heavy
0 topics0%

HubSpot

tier-3

Tough

Take-home + technical conversation + behavioral aligned to HEART culture.

Culture Heavy
0 topics0%

Twilio

tier-3

Tough

API design + integration scenarios + system design + behavioral.

Project-based
0 topics0%

New Relic

tier-3

Tough

Observability domain depth. Coding + system design + behavioral.

Domain Deep-dive
0 topics0%

Okta

tier-3

Tough

IdP/SSO + auth flows + coding + design.

Domain Deep-dive
0 topics0%

Splunk

tier-3

Tough

Search + ingest + SPL flavor. Coding + system design.

Domain Deep-dive
0 topics0%

MongoDB

tier-3

Hard

DB internals + concurrency + DDIA-level system design.

Domain Deep-diveStrong System Design
1 topics0%

Elastic

tier-3

Hard

Search + Lucene internals + observability depth.

Domain Deep-diveStrong System Design
0 topics0%

Confluent

tier-3

Hard

Kafka + stream processing depth. Coding + system design + behavioral.

Domain Deep-diveStrong System Design
1 topics0%

PagerDuty

tier-3

Tough

Incident-response domain + system design.

Domain Deep-dive
0 topics0%

Zendesk

tier-3

Tough

Coding + system design + behavioral.

Project-based
0 topics0%

Workday

tier-3

Tough

Enterprise HR/finance SaaS. Coding + system design + behavioral.

Domain Deep-dive
0 topics0%

ServiceNow

tier-3

Tough

Workflow platform depth. Coding + design + behavioral.

Domain Deep-dive
0 topics0%

VMware

tier-3

Hard

Virtualization + systems internals. C/C++ heavy for kernel roles.

Domain Deep-dive
0 topics0%

Cisco

tier-3

Tough

Networking depth. C/C++ for systems roles.

Domain Deep-dive
0 topics0%

IBM (Cloud)

tier-3

Tough

Enterprise cloud + AI. Coding + system design + behavioral.

Project-based
0 topics0%

SAP

tier-3

Tough

Enterprise ERP/HANA depth.

Domain Deep-dive
0 topics0%

HashiCorp

tier-3

Hard

~5 rounds over 3–5 weeks. No LeetCode; pair programming/machine-coding in Go; PR-style code-review round; Raft/Paxos/IaC depth. Remote-first.

Project-basedDomain Deep-dive
0 topics0%