What are you building?

Pick the closest fit.

Web applicationSaaS, marketplace, internal portal, dashboards.

Mobile appiOS + Android, possibly with a thin web admin.

API onlyBackend service powering apps or partners.

AI-heavy productLLM agents, RAG, semantic search, ML features.

VoIP / realtimeTelephony, voice bots, WebRTC, streaming.

Expected users in year one?

Realistic, not aspirational. The stack should fit the volume you'll actually hit.

Under 10,000Early product, small audience, mostly internal.

10k–100kGrowing product, multi-tenant SaaS.

100k–1MScale starts to matter; caching and queues needed.

Over 1MPlan for distributed services and serious infra.

Real-time features?

Chat, collaborative editing, live dashboards, voice or video.

Yes — WebSocketsChat, notifications, collaborative editing.

Yes — streaming / voiceWebRTC, audio/video, telephony.

No real-timeStandard request / response is fine.

Any AI or ML features?

LLM featuresChatbots, copilots, document understanding.

Vector / semantic searchRAG over your data, embeddings.

Forecasting / classical MLPredictions, recommendations, classification.

NonePlain product features only.

Who will maintain it?

Just meFounder developer or solo technical lead.

2–5 engineersA small in-house team.

5+ engineersA bigger team, possibly split across squads.

We're hiringPick a stack that's easy to hire for.

Existing infrastructure?

None — greenfieldStarting from scratch.

AWSWe have an AWS account and ops capability.

GCPWe're on Google Cloud.

AzureMicrosoft-aligned shop.

On-prem / hybridData centre or regulated workloads.

Budget posture?

Very tightLean MVP, hosted DBs, minimal infra.

ModerateStandard cloud, paid services where it helps.

FlexibleCost is secondary to speed and reliability.

Compliance requirements?

HIPAAProtected health information.

PCICard data in scope.

Strict GDPREU residency, full audit trail.

None / standardNormal data protection, no regulated data.

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Tech stack quiz

Why this stack

Want engineers who already build this?

Email me the full recommendation

Want a senior engineer
to sanity-check the stack?

Tech stack quiz

Why this stack

Want engineers who already build this?

Email me the full recommendation

Want a senior engineerto sanity-check the stack?

Want a senior engineer
to sanity-check the stack?