I'm Muhammad Husnain, a Senior Full Stack Engineer &amp; AI Developer with 5+ years of experience in intelligent systems, financial technology, and distributed architectures.
Currently architecting RAG systems, conversational AI agents, and high-frequency trading platforms with FIX protocol integrations for institutional operations.
Key Skills:
Python, TypeScript, JavaScript, Node.js, React.js, Next.js, FastAPI, PostgreSQL, MongoDB, Redis, Qdrant, OpenAI, LangChain, GraphQL, WebSockets, AWS, Docker
<a href="#">View my projects →</a>
When I'm not coding, I enjoy exploring new technologies and contributing to open-source projects.

<h2>Current Role</h2>
SemiLiquid | Senior Full Stack Engineer &amp; AI Developer (Remote) 
February 2025 - Present | London, UK
<ul>
<li>Architected intelligent RAG (Retrieval-Augmented Generation) systems with vector databases and semantic search capabilities</li>
<li>Developed LangGraph-based multi-agent conversational AI with state management and conditional routing</li>
<li>Built memory-enhanced AI platforms using Mem0 for long-term context preservation and user personalization</li>
<li>Implemented high-frequency orderbook service handling institutional trading operations with FIX protocol integrations</li>
<li>Established comprehensive observability stack using Grafana, Prometheus, and Loki for distributed system monitoring</li>
<li>Pioneered asynchronous queue processing systems using Redis/RQ for concurrent AI model inference</li>
</ul>
<h2>Previous Experience</h2>
Antematter | Full Stack Engineer (Remote) 
June 2023 - February 2025 | Islamabad, PK
<ul>
<li>Developed enterprise-scale Progressive Web Applications with role-based authentication, push notifications, and offline-first architecture</li>
<li>Implemented Strapi CMS integration with advanced SEO optimizations including Open Graph protocols, dynamic sitemaps, and structured data</li>
<li>Built GraphQL APIs optimizing data fetching patterns and reducing network overhead for mobile clients</li>
<li>Published npm package &quot;virtual-scroll-library&quot; improving rendering performance for large datasets</li>
<li>Architected offline caching strategies using Service Workers and background sync for seamless user experience</li>
</ul>
PowerJames | Frontend Engineer (Remote) 
January 2022 - December 2023 | Germany
<ul>
<li>Developed smart EV charging application using React.js and WebSocket connections for real-time charge monitoring</li>
<li>Implemented advanced caching strategies and code splitting techniques improving admin panel performance</li>
<li>Designed role-based access control system with granular permission management</li>
<li>Built responsive dashboards for energy consumption analytics and charging station management</li>
</ul>
Vital Educators | Full Stack Engineer (Remote) 
January 2021 - December 2022 | London, UK
<ul>
<li>Architected and launched VitalEducators platform from inception using Next.js and Chakra UI</li>
<li>Developed robust backend infrastructure with Nest.js and PostgreSQL ensuring data integrity and horizontal scalability</li>
<li>Implemented real-time teacher-student communication system using WebSocket protocol</li>
<li>Built comprehensive testing suite achieving high code coverage and reducing production incidents</li>
</ul>
<h2>Education</h2>
Bachelor of Science in Computer Science 
COMSATS University | September 2019 - February 2023
<h2>Technical Expertise</h2>
Languages &amp; Frameworks: Python, TypeScript, JavaScript, Node.js, React.js, Next.js, Nest.js, Express.js, FastAPI
AI/ML &amp; Vector Databases: OpenAI GPT-4, LangChain, LangGraph, Mem0, Qdrant, OpenAI Embeddings, RAG Systems, Conversational AI
Backend &amp; Databases: PostgreSQL, MongoDB, Prisma ORM, Redis, GraphQL, WebSockets, RESTful APIs, Queue Processing (RQ)
Financial Protocols: FIX Protocol, REST/FIX Integration, Trading Systems, Order Management
DevOps &amp; Monitoring: AWS (EC2, S3, RDS, SES), Docker, NGINX, Grafana, Prometheus, Loki
Frontend: Redux Toolkit, TailwindCSS, Chakra UI, ShadCN, PWA, Micro-frontends
Other: AI Agent Development, Vector Search, Semantic Similarity, Strapi CMS, Firebase, Passkey Authentication, WebAuthn, Real-time Systems
<h2>Certifications &amp; Achievements</h2>
<ul>
<li>Published open-source npm package with active community adoption</li>
<li>Pioneer in production-ready AI/ML systems with RAG and conversational AI implementations</li>
<li>Contributed to multiple high-impact fintech, AI, and enterprise solutions</li>
<li>Expertise in building scalable, intelligent financial technology systems</li>
</ul>

Professional Experience

Senior Full Stack Engineer with expertise in distributed systems and financial technology. Currently architecting high-frequency trading systems at SemiLiquid.
Focus Areas:
<ul>
<li>Distributed systems and microservices</li>
<li>Financial technology and trading systems</li>
<li>Real-time applications and observability</li>
</ul>
Tech Stack: TypeScript, JavaScript, Node.js, React.js, Next.js, PostgreSQL, MongoDB, Redis, GraphQL, WebSockets, AWS, Docker
<a href="/experience">View detailed professional experience →</a>

About

Professional Summary