Ace Live Coding & System Design Interviews with Real-Time AI Teleprompter

{ const userId = authenticate(req); redisPub.set(\`presence:\${userId}\`, 'ONLINE', 'EX', 60); ws.on('message', async (data) => { const message = JSON.parse(data.toString()); await redisPub.publish(\`room:\${message.roomId}\`, JSON.stringify(message)); }); });` } } }, behavioral: { category: 'STAR-T METHOD BEHAVIORAL', latency: '290ms', interviewer: 'Tell me about a high-severity production outage you diagnosed, and how you communicated with stakeholders under stress.', talkingPoint: 'I lead with calm ownership: First stabilize by rolling back or rate-limiting, then communicate every 15 minutes with actionable metrics, followed by a blameless post-mortem that adds automated circuit breakers.', languages: { python: { name: 'Speaking Script', file: 'STAR_Response_Script.md', time: '2.5 Min Pitch', space: 'Leadership', code: `### Situation: - During Black Friday spike, our payment webhook service P99 latency degraded from 80ms to 4.8s. - 503 errors began failing downstream cart conversions. ### Task: - Immediately isolate root cause without corrupting ledger state, while briefing the CTO every 15 mins. ### Action: - Identified DB connection pool exhaustion caused by un-indexed webhook idempotency lookup query. - Executed immediate fallback: Enabled Redis sliding-window deduplication filter upstream. - Shed non-critical webhook traffic to 50% capacity via cloud edge rate-limiting. ### Result & Takeaway: - Full system recovery within 14 minutes with zero lost transactions. - Implemented automated connection pool canary alerts in Prometheus to prevent regressions.` }, java: { name: 'Key Bullet Points', file: 'SpeakingPrompts.txt', time: 'Summary Bullets', space: 'Leadership', code: `[KEY BULLETS TO DELIVER CONFIDENTLY] 1. Never blame colleagues; focus on system telemetry & automated circuit breakers. 2. Emphasize: 'I initiated the incident command channel within 2 minutes.' 3. Metrics to cite: 'Recovered P99 from 4800ms back down to 64ms within 14 minutes.' 4. Post-mortem deliverable: Created a blameless post-mortem doc with 3 action items.` }, typescript: { name: 'Executive Summary', file: 'ExecutiveSummary.md', time: 'Briefing', space: 'Leadership', code: `[STAKEHOLDER BRIEFING FORMAT] - Current Status: Degraded / Mitigating - Customer Impact: 2.1% of checkout webhooks delayed (0% data loss) - Action Taken: Redis cache bypass + connection pool bump - Time to Resolution: 14 mins` } } } } }" class="mt-14 max-w-5xl mx-auto rounded-3xl border border-slate-800 bg-slate-950/95 p-3 sm:p-6 shadow-2xl shadow-indigo-950/50 backdrop-blur-2xl">