Ajitesh Pathak Ajitesh1405

Hi, I'm Ajitesh Pathak 👋

🛠️ Backend Engineer with 5+ years of experience building scalable, production-grade systems for global enterprise clients including BCG and UK-based platforms.
⚙️ Specialized in Node.js, NestJS, and microservices architecture, with working proficiency in Python for scripting, automation, and AI/LLM tooling, and deep ownership of end-to-end backend delivery across ERP, survey, and real-time platforms.
🔐 Strong in high-performance REST APIs, optimized SQL systems, and secure RBAC-driven architectures on AWS and Azure.
🤖 Actively focused on AI-powered backend engineering — integrating OpenAI APIs, LangChain, RAG pipelines, and agentic workflows into intelligent, context-aware systems.
📍 Based in Noida, India.

Languages

Backend

Databases

Cloud & DevOps

AI & LLM

Security

🪢 knot — Self-hosted personal AI assistant on Telegram. Reads Gmail/Outlook and calendar, drafts and sends replies with human-in-the-loop approval, schedules meetings, and builds an inspectable Neo4j knowledge graph. TypeScript
📋 Task-Manager — Task management application. JavaScript
🔗 engagement_module — Engagement / community interaction module. JavaScript
🔄 cicd-demo — Continuous integration / deployment pipeline demonstration.

Production-grade systems delivered for global enterprise clients across ERP, survey, real-time, and AI platforms.

🏢 Praxis Pro — Client: SPNX Consulting Sole Backend Owner
- Enterprise ERP/EMS platform. Architected scalable SQL Server schemas across 4 modules, RBAC-secured backend systems, and AWS-based CI/CD release cycles with high availability.
📊 Survey Management System — Client: BCG
- Configurable survey engine with dynamic branching, conditional workflows, and analytics aggregation; adopted enterprise-wide across multiple BCG teams.
🌐 Infogain Engagement — Client: Infogain
- Delivered backend services and REST APIs as part of enterprise client delivery.
🏠 Fluid Ideas — Client: UK Real Estate Platform
- REST APIs and normalized data models powering multi-location property and pricing systems, built for scale and maintainability over growing datasets.
🤖 AI Chatbot & LLM Integrations — Client: SPNX Consulting
- Production chatbot backends with context tracking, session management, and logging; agentic LangChain workflows for multi-step reasoning, tool usage, and memory orchestration.
👥 Hikinjo — Client: VectoScalar
- Backend services for a real-time, transaction-driven community platform — posts, offers, payments, and notifications.
🗂️ Aspire — Client: VectoScalar
- Secure ESS & feedback APIs (timesheet, leave, payroll) handling multi-country compliance and complex policy workflows across timezones.

SPNX Consulting Pvt. Ltd. — Software Engineer (Oct 2023 – Present)
- Sole backend owner of Praxis Pro, an enterprise ERP/EMS platform: architected scalable SQL Server schemas across 4 modules, secure RBAC systems, and AWS/CI-CD release pipelines.
- Built a configurable survey engine for BCG with dynamic branching and analytics aggregation, adopted enterprise-wide.
- Delivered REST APIs and normalized data models for Fluid Ideas, a UK real-estate platform.
- Building production-grade AI chatbot backends and agentic LangChain workflows with memory orchestration and multi-step reasoning.
VectoScalar — Software Engineer (Sep 2022 – Sep 2023)
- Built secure APIs for the Aspire ESS platform handling multi-country compliance and payroll logic, plus backend services for the Hikinjo real-time community platform.
Tata Consultancy Services (TCS) — Assistant System Engineer (Apr 2021 – Sep 2022)
- Managed enterprise infrastructure — servers, storage, backups — ensuring high availability and rapid incident resolution.

Designing scalable backends today, building intelligent agentic systems for tomorrow.