Full Stack Engineer & Web Developer
I design and build modern, high-performing web platforms, scalable microservices, and AI-powered systems that solve complex engineering problems.
I design solutions that make an impact.
I'm a Full Stack Developer & Systems Engineer with a passion for creating digital experiences that are not only performant and scalable, but also clean, resilient, and user-friendly.
Specialized in Next.js 15, React 19, Python FastAPI microservices, real-time WebRTC media streams, and AI-powered automation platforms that bridge modern UI ergonomics with robust backend infrastructure.
Some of my recent projects
LinkUp Real-Time
Encrypted Chat & WebRTC Video Calling Platform
Full-stack real-time collaboration platform featuring end-to-end encrypted messaging, dynamic group channels, and peer-to-peer WebRTC video calling.
PuppyCare Platform
Modern Pet Adoption, Wellness & Shelter Management SaaS
Full-stack digital pet adoption platform with interactive pet profiles, verified shelter partner matching, automated vaccination records, and adoption pipeline tracking.
DataPulse AI Analytics
Automated CSV Analytics & Conversational AI Chatbot Engine
Intelligent data visualization and CSV analytics engine. Ingests raw tabular data, computes statistical distributions, and allows natural language chat queries via LLM pipelines.
What I can do for you
UI/UX & Frontend
Designing clean, modern and hyper-responsive interfaces with Next.js 15, React 19, and Tailwind CSS.
Web & API Engineering
Building fast, scalable backend microservices, REST & WebSocket endpoints with Python FastAPI & Node.js.
AI & LLM Integration
Integrating intelligent AI chatbots, RAG document search, and autonomous multi-agent tool-calling pipelines.
Cloud & Performance
Architecting low-latency architectures with Redis caching, Celery async queues, Docker, and AWS EC2.
Technical Proficiency Matrix
Comprehensive engineering stack across programming languages, modern reactive frontends, distributed backend microservices, databases, DevOps pipelines, AI/RAG systems, analytics, and developer tools.
Programming Languages
Core LanguagesProficient in modern dynamically and statically typed languages for full-stack engineering, high-throughput microservices, and system programming.
Frontend & Reactive UI
Client-Side EngineeringBuilding hyper-responsive, token-streaming interfaces with Next.js 15, React 19, Tailwind CSS, and optimized client state management.
Backend & Distributed APIs
High-Throughput MicroservicesConstructing asynchronous, horizontally scalable services, RESTful APIs, and real-time bi-directional WebSockets with Python and Node.js.
Databases & Data Storage
Persistence & In-Memory CachingArchitecting resilient relational schemas, high-speed document stores, and in-memory key-value caches for low-latency retrieval.
DevOps & Cloud Infrastructure
Automation & Cloud DeliveryAutomating CI/CD pipelines, containerizing services with Docker, and provisioning cloud compute on AWS EC2.
AI & RAG Engineering
Autonomous Agents & LLMsDesigning retrieval-augmented generation (RAG) pipelines, conversational agents, and tool-calling flows using LangChain, LangGraph, and OpenAI.
Data Analytics & Visualization
Mathematical & Statistical InsightsIngesting, cleaning, aggregating tabular datasets, and rendering visual charts with NumPy, Pandas, and Matplotlib.
Developer Tools & Environments
Engineering ProductivityLeveraging next-generation agentic coding environments and advanced CLI runtimes for accelerated software development.
Project Live Playground
Experience the core engineering pipelines built by Vishal Singh: test Mail Pilot AI's bilingual summaries, LinkUp's encrypted WebRTC room, and Bank2XML's parser.
Database pool exhaustion causing API latency spikes (>800ms). Immediate remediation required prior to client presentation.
डेटाबेस कनेक्शन पूल फुल होने के कारण एपीआई लेटेंसी 800ms से अधिक हो गई है। क्लाइंट डेमो से पहले तत्काल समाधान आवश्यक है।
“I've identified the bottleneck in our unindexed foreign key query on the statements table. Deploying a migration and connection pooling patch right now.”
Competitive & Network Profiles
Coding Platforms & Professional Networks
Have a project in mind?
I'm always open to discussing new projects, high-throughput microservices, SaaS platforms, or engineering opportunities.
Get In Touch & Collaborate
Direct Contact Information
Open for full-time senior engineering opportunities, high-throughput backend architecture, or AI/LLM system consulting.