const ajay = {
role: "Backend Engineer · AI Systems Builder",
company: "Es Magico Experiences Pvt. Ltd.",
location: "Lucknow, Uttar Pradesh, India 🇮🇳",
scale: "1M+ daily active users (Mission Prerna, Govt. of UP)",
aiStack: ["OpenAI GPT-4o", "LangChain", "Sarvam-AI", "Groq", "LangGraph"],
coreStack: ["NestJS", "Node.js", "PostgreSQL", "Redis", "Docker", "Python"],
devOps: ["GitHub Actions", "AWS", "Kong Gateway", "Grafana", "Prometheus", "Loki"],
auth: ["Keycloak", "FusionAuth", "LinkedIn OAuth", "JWT"],
domains: ["GovTech", "EdTech", "B2B SaaS", "AI/ML", "FinTech"],
openTo: "Remote backend / AI backend / Full Stack Developer roles worldwide",
};- 🏗️ Currently architecting NestJS microservices for a 1M+ DAU government education platform under the Nipun Bharat initiative
- 🤖 Building production AI systems — conversational AI for telephony, AI sales coaching backends, healthcare AI pipelines
- 📉 Reduced system MTTR by 40% with full observability (Grafana + Prometheus + Loki)
- ⚡ Cut deployment cycles from weekly → daily via GitHub Actions + Docker CI/CD
- 📝 Technical writer — deep dives on NestJS architecture & PostgreSQL internals at gist.github.com/Ajay-Maury
- 📦 Published NPM package author (Spin Wheel React Component)
Backend
Databases
DevOps & Cloud
Auth & Security
Frontend
| Project | Description | Stack | Scale |
|---|---|---|---|
| Mission Prerna | State-wide GovTech education backend — Nipun Bharat (Govt. of UP) | NestJS · TimescaleDB · Redis · Docker | 🔥 1M+ DAUs |
| AI Call Assistant | Real-time conversational AI for telephony with VAD & barge-in detection | Python · Django · Twilio · GPT-4o · LangChain · Sarvam-AI | ⚡ Sub-second latency |
| AI Coach Backend | End-to-end AI sales coaching — audio → STT → classification → AI recommendations | Django · Celery · Azure Speech · Groq · LangChain | 🤖 Full AI pipeline |
| Pixel Vault | Image management platform — JWT auth, full-text search, Cloudinary, Swagger | Node.js · Express · PostgreSQL · Prisma · Docker | 📦 Open source |
| Cofounder Match | Secure multi-channel auth + attribute-based co-founder matching engine | NestJS · Keycloak · LinkedIn OAuth · Redis | 🔐 Multi-provider auth |
| Spin Wheel | Customizable interactive spinning wheel — published NPM package | React · TypeScript · Canvas | 📦 NPM published |
Deep dives on NestJS architecture and PostgreSQL internals → gist.github.com/Ajay-Maury
| Article | Topic | Read time |
|---|---|---|
| NestJS Dependency Injection Guide | Architecture · DI patterns | 10 min |
| Kong Gateway Docker Integration | DevOps · API Gateway | 8 min |
| NestJS Refresh Tokens & Sessions | Auth · Security | 15 min |
| NestJS Caching & Query Optimization | Redis · Performance | 20 min |
| NestJS Pagination Guide | Cursor + offset patterns | 8 min |
| NestJS User Scaffolding | Architecture · Tutorial | 12 min |
Open to remote backend & AI backend roles worldwide — ajaymaurya6798@gmail.com



