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𝗗𝗲𝗮𝗹𝗶𝗻𝗴 with slow APIs, unreliable backend systems, complex integrations, scaling problems, or an existing codebase that has become difficult to maintain? I help businesses turn these challenges into **reliable, scalable production systems** from designing the architecture and building APIs to integrating AI, optimizing databases, deploying to the cloud, and supporting the system in production. 💡 **𝗔𝗯𝗼𝘂𝘁 𝗠𝗲** I'm a **Senior Backend Engineer & Solution Architect with 5+ years of experience** building production-grade SaaS platforms, AI-powered applications, real-time systems, and financial/trading solutions. My core expertise is **Python, FastAPI, Flask, Django, PostgreSQL, Redis, microservices, event-driven architecture, Azure, Docker, and AI/LLM integrations**. I don't just write code, I take ownership of the complete engineering lifecycle: **understanding the business requirement → architecture → development → integrations → deployment → optimization → production reliability.** 🎯 **𝗪𝗵𝗮𝘁 𝗜 𝗖𝗮𝗻 𝗛𝗲𝗹𝗽 𝗪𝗶𝘁𝗵** • **Backend & APIs:** Python, FastAPI, Flask, Django, REST APIs, WebSockets • **SaaS Platforms:** Multi-tenant architecture, RBAC, authentication, enterprise workflows • **AI & LLM:** LLM API integrations, AI workflows, automation, document processing • **Microservices:** Event-driven architecture, asynchronous processing, distributed systems • **Databases:** PostgreSQL, TimescaleDB, Redis, Elasticsearch, query optimization • **Cloud & DevOps:** Azure, AWS, Docker, CI/CD, serverless infrastructure • **FinTech & Trading:** FIX Protocol, trading systems, market data, order routing, real-time processing • **Integrations:** Third-party APIs, payment systems, ERP integrations, messaging systems 📌 **𝗣𝗿𝗼𝗷𝗲𝗰𝘁 𝗘𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲** **𝗘𝗻𝘁𝗲𝗿𝗽𝗿𝗶𝘀𝗲 𝗣𝗿𝗼𝗰𝘂𝗿𝗲𝗺𝗲𝗻𝘁 𝗦𝗮𝗮𝗦** Architected and delivered a multi-tenant procurement platform from the ground up, including procurement workflows, vendor management, financial integrations, real-time services, and enterprise APIs. • PostgreSQL multi-tenant architecture with strict tenant isolation • Scaled high-volume data beyond **100M+ rows** • Integrated Microsoft Dynamics 365 for procurement and finance • Built asynchronous processing using Redis and Celery • Designed Azure cloud infrastructure and deployment pipelines • Supported **10+ enterprise clients** **𝗥𝗲𝗮𝗹-𝗧𝗶𝗺𝗲 𝗧𝗿𝗮𝗱𝗶𝗻𝗴 𝗦𝘆𝘀𝘁𝗲𝗺** Architected and maintained a Python-based real-time trading signal engine processing live market data from multiple venues. • WebSocket market-data ingestion • Real-time tick-to-candle processing • 134-indicator strategy engine • Redis Streams and asynchronous processing • TimescaleDB for high-volume market data • Synthetic exchange testing and E2E reliability testing • Security and production reliability improvements **𝗙𝗜𝗫 & 𝗙𝗶𝗻𝗮𝗻𝗰𝗶𝗮𝗹 𝗧𝗿𝗮𝗱𝗶𝗻𝗴 𝗦𝘆𝘀𝘁𝗲𝗺𝘀** Built trading systems involving **FIX Protocol, order routing, arbitrage engines, and real-time financial data processing**, including low-latency trading workflows for the Pakistan Stock Exchange. 🚀 **𝗪𝗵𝘆 𝗪𝗼𝗿𝗸 𝗪𝗶𝘁𝗵 𝗠𝗲** • **5+ years** of professional software engineering experience • Strong production experience with **Python and backend architecture** • Experience designing systems from **zero → production → scale** • Comfortable improving existing systems without unnecessary rewrites • Strong focus on **performance, reliability, security, and maintainability** • Microsoft Certified **Azure Solutions Architect Expert** • Experience across **SaaS, AI, FinTech, trading, and enterprise systems** • Hands-on engineer, I design the architecture and write the code • Clear communication with both technical and non-technical stakeholders 𝗜𝗳 𝘆𝗼𝘂 𝗵𝗮𝘃𝗲 𝗮𝗻 𝗲𝘅𝗶𝘀𝘁𝗶𝗻𝗴 𝘀𝘆𝘀𝘁𝗲𝗺 𝘁𝗵𝗮𝘁 𝗻𝗲𝗲𝗱𝘀 𝘁𝗼 𝗯𝗲 𝘀𝗰𝗮𝗹𝗲𝗱, 𝗿𝗲𝗳𝗮𝗰𝘁𝗼𝗿𝗲𝗱, 𝗶𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗲𝗱, 𝗼𝗿 𝗯𝘂𝗶𝗹𝘁 𝗳𝗿𝗼𝗺 𝘀𝗰𝗿𝗮𝘁𝗰𝗵, 𝗜'𝗱 𝗯𝗲 𝗵𝗮𝗽𝗽𝘆 𝘁𝗼 𝗱𝗶𝘀𝗰𝘂𝘀𝘀 𝘁𝗵𝗲 𝗽𝗿𝗼𝗷𝗲𝗰𝘁 𝗮𝗻𝗱 𝘄𝗼𝗿𝗸 𝗼𝘂𝘁 𝘁𝗵𝗲 𝗿𝗶𝗴𝗵𝘁 𝘁𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗮𝗽𝗽𝗿𝗼𝗮𝗰𝗵.