Ashish Kumar

Senior Technical Lead - Backend & AI Engineer

📧 ashi.patel546@gmail.com
📱 +91-9716160389
📍 Delhi, India

🎯 Professional Summary

Technical Leader & Senior AI Engineer with 5.5+ years of proven expertise in architecting and delivering enterprise-scale solutions across backend development, artificial intelligence, and system integration. Currently leading 4 major technical initiatives at Blink Charging including EV CRM with Salesforce integration, ETL data pipelines, real-time WebSocket communication systems, and cutting-edge AI chatbot implementations.

Recognized for transforming complex business requirements into scalable microservices architectures, successfully managing cross-functional teams, and pioneering AI-driven solutions that enhance user experience and operational efficiency. Expert in full-stack development with deep specialization in Node.js, Python, AI/ML technologies, and cloud-native architectures.

Core Strengths: Technical Leadership, Microservices Architecture, Generative AI, System Integration, Team Management, and Delivering Mission-Critical Applications from Concept to Production.

🛠️ Technical Expertise

🚀 AI & Machine Learning

Generative AI Agentic AI LangChain CrewAI Gradio Python

⚡ Backend Technologies

Node.js Nest.js Express.js FastAPI TypeScript JavaScript Python Django

🏗️ Architecture & DevOps

Microservices Docker Kubernetes AWS Serverless Kafka Redis

💾 Databases & Storage

PostgreSQL MongoDB MySQL DynamoDB Amazon Redshift DocumentDB

🎨 Frontend & Tools

React.js Next.js Vue.js HTML5/CSS3 Bootstrap

🔧 Additional Technologies

WebSockets LoopBack4 TypeORM JWT Reveal BI ETL Git

🌟 Core Competencies

Leadership & Management

Team Leadership Project Management Mentoring Strategic Planning

Problem Solving

Complex Problem Solving Algorithm Design Performance Optimization System Architecture

💼 Professional Experience

Sr. Software Engineer
Blink Charging Software Pvt. Ltd., Noida
Aug 2024 - Present
📊 Project 1: Advanced ETL Data Pipeline System
Architected and developed sophisticated ETL (Extract, Transform, Load) services to handle massive volumes of charging station data across multiple databases. The system powers business intelligence, reporting, and data analytics for strategic decision-making.
Key Implementations:
  • Multi-Database ETL: Built services connecting PostgreSQL, MongoDB, DynamoDB, and DocumentDB for comprehensive data processing
  • Amazon Redshift Integration: Implemented data lake architecture for large-scale analytics and reporting
  • Automated Statement Generation: Developed cron jobs for monthly statement generation (host & user) with S3 upload
  • On-Demand Reporting: Created flexible reporting system with PDF/CSV export and advanced filtering
  • Data Quality Assurance: Implemented validation and error handling mechanisms for data integrity
Node.js Python Amazon Redshift PostgreSQL MongoDB DynamoDB DocumentDB AWS S3 Cron Jobs
🔌 Project 2: Real-Time WebSocket Communication System
Designed and implemented a robust real-time communication infrastructure to establish seamless connectivity between EV chargers and server systems. This critical system enables live monitoring, control, and data exchange for optimal charging operations.
Technical Achievements:
  • Dual WebSocket Implementation: Developed services using both Socket.io and WS for different client requirements
  • Real-Time Monitoring: Enabled live tracking of charger status, session data, and operational metrics
  • Scalable Architecture: Built to handle thousands of concurrent connections with minimal latency
  • Error Handling & Reconnection: Implemented robust error recovery and automatic reconnection mechanisms
  • Security & Authentication: Integrated JWT-based authentication for secure charger-server communication
WebSockets Socket.io WS Library Node.js Real-time Communication JWT Authentication Load Balancing
🤖 Project 3: AI-Powered Intelligent Chatbot Systems
Spearheaded the development of advanced AI chatbot solutions to revolutionize user interaction across mobile and web platforms. Implemented both generative AI and agentic AI technologies to provide intelligent, context-aware assistance.
AI Solutions Delivered:
  • Driver Mobile Chatbot: Developed intelligent conversational AI using LangChain and FastAPI for real-time user assistance and support
  • Advanced Admin & Host Chatbot: Created sophisticated agentic AI system using CrewAI with autonomous decision-making capabilities for complex operational queries
  • Interactive UI Development: Implemented user-friendly chatbot interfaces using Gradio for seamless user interaction
  • Natural Language Processing: Integrated advanced NLP capabilities for context understanding and intelligent responses
Python FastAPI LangChain CrewAI Gradio Generative AI Agentic AI NLP
🔗 Project 4: URL Shortening Service
Designed and implemented a custom URL shortening service for Blink Charging to streamline communication and enhance user experience across web and mobile platforms. The system efficiently converts lengthy URLs into compact, user-friendly links while maintaining reliability and performance.
Key Features Developed:
  • High-Performance Shortening: Engineered efficient algorithm to generate unique, compact URL identifiers
  • Redis Caching: Implemented Redis for high-speed URL resolution and reduced database load
  • Analytics Integration: Built tracking capabilities to monitor link usage and engagement metrics
  • API Development: Created RESTful endpoints for URL creation and resolution with proper authentication
  • Scalable Architecture: Designed system to handle millions of URL redirects with minimal latency
Node.js Redis REST API Express.js PostgreSQL Load Balancing Caching
🔋 Project 5: EV CRM System with Salesforce Integration
Leading the development of a comprehensive Customer Relationship Management system specifically designed for EV charging operations. The platform integrates seamlessly with Salesforce to provide unified customer data management, host onboarding workflows, and operational analytics.
Key Features & Implementations:
  • Salesforce Integration: Built robust API connections for bi-directional data sync between EV platform and Salesforce CRM
  • Host Management Portal: Developed comprehensive backend services for host station operations and management
  • Customer Journey Automation: Implemented automated workflows for customer onboarding and support processes
  • Operational Analytics: Created dashboards and reporting systems for business intelligence
Node.js Nest.js TypeScript Salesforce APIs PostgreSQL TypeORM JWT Authentication
🏗️ Additional Infrastructure & Integration Work
Platform-Wide Contributions:
  • Reveal BI Integration: Implemented comprehensive business intelligence system with extensive customizations to overcome Power BI limitations
  • Infrastructure Migration: Led transition from Docker Compose to Kubernetes for enhanced scalability and deployment efficiency
  • API Throttling & Security: Implemented advanced throttling mechanisms and JWT authentication across all services
  • Quality Assurance: Established comprehensive testing frameworks using Docker for local development and testing
  • Team Coordination: Managing daily coordination with remote teams and local development task distribution
Docker Kubernetes Reveal BI Kafka Git/Bitbucket Jira API Gateway
Technical Lead Full-Stack | Sr. Software Developer
GIIT Solutions, Gurugram
Nov 2021 - Jul 2024
🔋 EV Station Management System
Led the complete development of a microservices-based EV charging platform with multiple user portals and advanced CRM capabilities. Designed scalable architecture supporting 1000+ concurrent users.
Node.js Nest.js Java Spring Boot PostgreSQL MongoDB Docker AWS
🏥 Healthcare Portal (US-based)
Developed comprehensive healthcare service platform with questionnaire-based recommendations and dynamic PDF generation. Managed team of 5 developers and successfully migrated legacy PHP systems to Node.js.
LoopBack4 React.js MySQL Docker GitLab
🎓 College Admission Portal
Built end-to-end admission management system with automated appointment scheduling and comprehensive admin portal. Migrated entire codebase from Express.js to Nest.js for improved maintainability.
Nest.js Next.js TypeScript SQL Server TypeORM
🛠️ DevOps Tools Plugins (Israel-based)
Developed cloud-agnostic DevOps plugins supporting AWS, GCP, and Azure services. Created auto-integration system for seamless plugin deployment across multiple environments.
Node.js Vue.js AWS SDK GCP SDK Azure SDK MongoDB
Software Developer
Tag11 Infotech Pvt. Ltd., Jaipur
Jun 2019 - Nov 2021
🍺 Online Beer Store (Canada - 450+ Stores)
Developed comprehensive e-commerce platform with store locator, home delivery, and pickup options. Implemented JWT authentication with session-cookies for enhanced security.
Express.js Nest.js React.js SQL Server
💰 Wealth Bazaar Portal
Built mutual fund transaction platform with SEBI-authenticated API integration. Developed from scratch with monolithic architecture for reliable financial operations.
Express.js MySQL Bootstrap HTML/CSS
🏦 Banking Software
Developed complete banking operations software with intuitive user interface and robust backend architecture for secure financial transactions.
Express.js PostgreSQL Bootstrap JavaScript

🎓 Education

Bachelor of Engineering - Computer Science (2006-2010)
Institution of Electronic and Telecommunication Engineers, New Delhi
Higher Secondary Education
CBSE, New Delhi

🏆 Certifications & Achievements

🏅 Associate Member of IETE
Institution of Electronics and Telecommunication Engineers
Professional Engineering Recognition
Advanced JavaScript
Cutshort (Certificate No. 51737)
Advanced Node.js
Cutshort (Certificate No. 60850)
Python Certification
Cutshort (Certificate No. 49866)
HTML/CSS Certification
Cutshort (Certificate No. 50040)
3 Star Rating - Problem Solving
HackerRank