// build_guide
// How to build AI Resume Builder and ATS Optimisation for Indian Job Seekers
Indian job seekers apply to 50+ roles per week, yet most resumes are one-size-fits-all. An AI that rewrites bullet points to match a JD and scores ATS compatibility solves a daily pain point for 5M+ active job seekers. Claude API handles nuanced rewriting better than GPT-3.5 at equivalent cost. Puppeteer generates pixel-perfect PDFs server-side. Razorpay freemium (3 free tails, then ₹199/month) is proven for this segment.
Complexity 6/10AI Product
// recommended_stack
FrontendNext.js (App Router)
BackendNestJS
DatabasePostgreSQL
AuthSupabase Auth
HostingVercel + Railway
ExtraClaude API (resume tailoring)
ExtraRazorpay (one-time + subscription)
ExtraPuppeteer (PDF generation)
// cost_and_timeline
USD min
$6,000
USD max
$10,000
INR min
₹5.6L
INR max
₹9.3L
Typical AI Product projects cost $6,000–$18,000 USD and take 10–16 weeks with an Indian dev team. See the full cost guide →
// timeline_breakdown
2 weeksAuth, profile builder & template engine
3 weeksAI tailoring engine + ATS scorer + PDF export
2 weeksFreemium billing, dashboard & version history
// mvp_features[]
## What to build in the MVP
—Resume upload (PDF/Word) with AI extraction to structured profile
—Job description paste → AI tailored resume variant generation
—ATS compatibility score with keyword gap analysis
—Multiple resume templates (modern, minimal, ATS-safe)
—Server-side PDF export via Puppeteer
—Dashboard with version history and per-JD variants
// risk_flags[]
## Engineering risks to plan for
!Claude API token costs compound at scale — implement per-user monthly token budgets before launch.
!ATS scoring requires a constantly updated keyword database; build a simple CMS to update it without redeployment.
!PDF generation via Puppeteer requires a headless Chrome instance — factor in memory costs on Railway.
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// related_resources