Early access — InterviewCraft is actively in development. New interview types and professions are being added. Expect improvements every week.
Stop practicing blindly.
See exactly what to fix.
AI voice interviewer that scores every answer with evidence-backed feedback, rewrites your answer three ways, tracks 22 microskills over time, and builds a personalized drill plan.
No credit card required. 2 free sessions included — then add your own API keys to continue.
The Closed Training Loop
Built Different
Real-time Voice
VAD-aware pipeline with Deepgram Nova-2 + ElevenLabs. No typing. Target p95 < 2s.
Evidence-backed Scoring
15-rule rubric. Every triggered rule links to the exact moment you said it.
Rewind Micro-Practice
Re-answer weak questions. See the delta: +12 in structure, -3 in depth.
Skill Graph Memory
22 microskills tracked across every session. Spaced repetition for weak areas.
Story Bank
Auto-detect STAR stories. Coverage map shows gaps. Overuse warnings.
Negotiation Simulator
AI recruiter with hidden max budget. Scores anchoring and emotional control.
Transparent Pricing
Every new account includes 2 complete interview sessions at no cost. No credit card. No hidden charges.
- ✓ Full voice pipeline with scoring
- ✓ Skill graph and drill plan
- ✓ All session types included
After your 2 free sessions, add your own API keys in Settings → API Keys. You pay the AI providers directly at their published rates — typically ~$0.10–0.40 per session.
- → Anthropic Claude (voice + scoring)
- → Deepgram (speech-to-text)
- → ElevenLabs (text-to-speech, optional)
Your API keys are encrypted at rest and never logged or shared. You can delete them at any time.
Built for senior technical interviews
Every session type has its own scoring rubric, question bank, and company playbook. The skill graph tracks 22 microskills across all session types — weaknesses surface regardless of which format exposed them.
Behavioral
STAR · leadership · conflict · growth
Structured storytelling, quantifiable results, ownership signal
Playbooks: Google, Meta, Amazon, Stripe
System Design
SWE · Staff · Principal
Capacity estimation, tradeoff analysis, API design, reliability
Playbooks: Uber, Airbnb, Datadog, Cloudflare
Coding Discussion
Technical depth · no whiteboard
Complexity analysis, debugging approach, testing strategy
Playbooks: All engineering orgs
Salary Negotiation
Offers · counter · equity
Anchoring, value articulation, counter-strategy, emotional control
Playbooks: Any offer stage
Debrief
Post-session · coach mode
Pattern recognition across sessions, targeted drill assignment
Diagnostic
Baseline · first session
Full 22-skill assessment to seed the skill graph
Built in public
The full source — backend, frontend, CI pipeline, benchmark suite, and the multi-agent Claude Code development workflow — is on GitHub. Architecture decisions are documented in ADRs. Scoring quality, voice latency, and memory recall are tracked with benchmarks, not vibes.
940ms
p95 voice latency
0.91
scoring Pearson r
4.1 pts
avg scoring variance
Benchmark Results
Measured, not estimated
940ms
p95 voice latency
4.1 pts
scoring variance
0.91
scoring Pearson r
95%
memory recall
Ready to close the loop?
Your first diagnostic session is 5 minutes. It seeds your skill graph and tells you exactly what to practice next.
2 sessions free. No credit card. After that, add your own API keys in Settings.
Start your first session free