# Gap Analysis: Current vs. Production-Ready

**Last Updated:** Feb 1, 2026
**Overall Completion:** ~55%

---

## **Critical Gaps (Blocking Production Release)**

### **1. V1→V2 Migration Incomplete**

- **Status:** ❌ **BLOCKING**
- **Current:** v2 folders (04-System-Design-Library/, 05-ML-MLOps/, 06-Data/, 07-Infra-DevOps/) have only index stubs
- **Legacy exists:** Full content in v1 folders (04-SYSTEM-DESIGN-LIBRARY/, 05-ML-MLOPS/, 06-DATA/, 07-INFRA-DEVOPS/)
- **Impact:** Users must navigate two parallel trees; confusing
- **Fix:** Copy 18 files from v1 into v2 structure
- **Effort:** 1–2 hours

### **2. Real Interview Experiences Missing**

- **Status:** ❌ **BLOCKING**
- **Current:** [08-Company-Specific-Notes/](08-Company-Specific-Notes/) has only 5 high-level files (40–80 lines each)
- **Required:** Google.md, Amazon.md, Meta.md, Apple.md, Netflix.md with:
  - Actual interview rounds (coding + system design + behavioral)
  - Common questions + how to approach them
  - Real feedback snippets ("you talked too fast," "good edge cases")
  - Company-specific rubrics
- **Impact:** Candidates don't know what to actually expect
- **Fix:** Create 5 detailed company guides (500–800 lines each)
- **Effort:** 4–6 hours

### **3. Study Schedules Not Detailed**

- **Status:** ⚠️ **CRITICAL**
- **Current:** [06-Study-Plans/](06-Study-Plans/) referenced in README but folder exists only in legacy [08-CAREER/](08-CAREER/)
- **Required:**
  - `junior-3-month-plan.md` (weekly breakdown, daily tasks)
  - `mid-6-month-plan.md` (weekly breakdown, daily tasks)
  - `senior-4-month-plan.md` (weekly breakdown, daily tasks)
- **Format:** Week-by-week calendar with specific topics + reps
- **Impact:** Candidates don't know what to do on Monday
- **Fix:** Create 3 detailed schedules (300–400 lines each)
- **Effort:** 3–4 hours

### **4. Mock Interview Feedback Templates Missing**

- **Status:** ❌ **BLOCKING**
- **Current:** [05-Mock-Interviews/](05-Mock-Interviews/) has only stub
- **Required:**
  - Self-evaluation rubric (coding + system design + behavioral)
  - Peer review template (feedback format)
  - Post-interview debrief checklist
  - Video/async interview guide
- **Impact:** Candidates can't measure progress
- **Fix:** Create 4 templates (200–300 lines each)
- **Effort:** 2–3 hours

### **5. Governance Files Missing**

- **Status:** ⚠️ **IMPORTANT**
- **Current:** No CONTRIBUTING.md, LICENSE, CHANGELOG
- **Required:**
  - `CONTRIBUTING.md` (how to add interview experiences, company-specific tips)
  - `LICENSE.md` (MIT or CC-BY-4.0)
  - `CHANGELOG.md` (version history)
  - `.gitignore` + `git init` setup
- **Impact:** Not professionally shareable on GitHub
- **Fix:** Create 4 files (~100–200 lines each)
- **Effort:** 1–2 hours

---

## **High-Priority Gaps (Significant Content Missing)**

### **6. Real Engineer Quotes + Stories Limited**

- **Status:** ⚠️ **HIGH**
- **Current:** Mostly references to official docs (TIH, Amazon, Google)
- **Missing:** Personal stories, failure cases, unexpected insights
- **Examples needed:**
  - "I failed my first Amazon loop because I didn't ask clarifying questions" → how to avoid
  - "Meta cares more about tradeoffs than perfect code" → interview insight
  - "Google's bar raiser round is different; they probe deeper on one topic"
- **Fix:** Integrate into company-specific docs (add 10–15 real stories)
- **Effort:** 3–4 hours (needs research or crowdsourcing)

### **7. DSA Content Not in V2 Structure**

- **Status:** ⚠️ **HIGH**
- **Current:** DSA lives in legacy [01-FOUNDATIONS/01-DSA-and-Coding.md](01-FOUNDATIONS/01-DSA-and-Coding.md); referenced in v2 but not expanded
- **Missing:** Structured DSA roadmap with:
  - Topic-by-topic breakdown (arrays, strings, trees, graphs, DP)
  - Interview patterns (two pointers, sliding window, BFS/DFS, etc.)
  - Common mistakes (off-by-one, edge cases, complexity errors)
  - LeetCode problem mapping (which problems test what)
- **Fix:** Create v2 DSA folder with 7–8 detailed guides
- **Effort:** 4–5 hours

### **8. Resume ATS Optimization Not Detailed**

- **Status:** ⚠️ **HIGH**
- **Current:** [04-Resume-LinkedIn-GitHub/](04-Resume-LinkedIn-GitHub/) reference in README, but exists only in legacy
- **Missing:**
  - ATS keyword list for each role (backend, MLE, SRE, etc.)
  - Resume templates with real examples
  - What kills resumes (common mistakes)
  - Action verb list + metrics
- **Fix:** Create v2 resume section with 3–4 detailed guides
- **Effort:** 2–3 hours

### **9. System Design Example Solutions Incomplete**

- **Status:** ⚠️ **MEDIUM**
- **Current:** [02-System-Design/example-designs/](02-System-Design/example-designs/) mentioned in spec but exists only as legacy
- **Missing:** Deep dive for URL shortener, news feed, chat, rate limiter, file storage
- **Current in legacy:** Generic templates but not real solutions
- **Fix:** Write 5 example solutions (300–400 lines each)
- **Effort:** 4–6 hours

### **10. Company Leveling + Salary Context**

- **Status:** ⚠️ **MEDIUM**
- **Current:** [08-Company-Specific-Notes/05-Geography-Leveling.md](08-Company-Specific-Notes/05-Geography-Leveling.md) exists but is bare
- **Missing:**
  - IC level definitions (IC1→IC7)
  - What each level expects in interviews
  - Approximate salary ranges (anonymized data)
  - How to negotiate level
- **Fix:** Expand 05-Geography-Leveling.md (500+ lines)
- **Effort:** 2–3 hours

---

## **Lower-Priority Gaps (Nice-to-Have)**

### **11. Negotiation Specifics by Company**

- **Status:** ℹ️ **NICE-TO-HAVE**
- **Current:** [07-Offer-Negotiation/](07-Offer-Negotiation/) referenced in legacy but sparse
- **Missing:** Company-by-company negotiation tactics (Google vs Amazon vs Meta equity terms)
- **Effort:** 2 hours

### **12. Interview Day Logistics Checklist**

- **Status:** ℹ️ **NICE-TO-HAVE**
- **Current:** Basic coverage in [03-INTERVIEWS/09-Interview-Day-Operations.md](03-INTERVIEWS/09-Interview-Day-Operations.md)
- **Missing:** Equipment checklist, timezone management, backup plans
- **Effort:** 1 hour

### **13. Post-Interview Analysis Template**

- **Status:** ℹ️ **NICE-TO-HAVE**
- **Current:** Not present
- **Missing:** How to reflect on interviews and iterate
- **Effort:** 1 hour

---

## **Fix Priority Order (Recommended)**

| #   | Gap                        | Effort | Impact    | Do First? |
| --- | -------------------------- | ------ | --------- | --------- |
| 1   | V1→V2 migration            | 1–2h   | CRITICAL  | ✅ YES    |
| 2   | Real interview experiences | 4–6h   | CRITICAL  | ✅ YES    |
| 3   | Study schedules (detailed) | 3–4h   | CRITICAL  | ✅ YES    |
| 4   | Mock interview templates   | 2–3h   | CRITICAL  | ✅ YES    |
| 5   | Governance files           | 1–2h   | IMPORTANT | ✅ YES    |
| 6   | DSA v2 structure           | 4–5h   | HIGH      | ⏭️ NEXT   |
| 7   | Resume ATS optimization    | 2–3h   | HIGH      | ⏭️ NEXT   |
| 8   | Real engineer stories      | 3–4h   | HIGH      | ⏭️ NEXT   |
| 9   | System design examples     | 4–6h   | MEDIUM    | ⏭️ NEXT   |
| 10  | Leveling + salary context  | 2–3h   | MEDIUM    | ⏭️ NEXT   |

**Total Effort to Production:** ~25–35 hours

---

## **Success Criteria (Definition of "Done")**

✅ No v1/v2 duplication confusion
✅ All 5 company guides completed (Google/Amazon/Meta/Apple/Netflix)
✅ Study schedules include daily tasks
✅ Mock interview templates have real rubrics
✅ `git init` + CONTRIBUTING.md live
✅ All internal links verified
✅ No placeholders or "TODO" markers