Mueem Nahid

Software Engineer

Jun 2023 - Present • 3 yrs 4 mos

Developed and maintained large-scale customer-facing platforms serving international users. • Built core product features for a travel experience platform including real-time booking workflows, scheduling systems similar to calendar tools, and secure payment integration • Implemented location-based services using Google Maps APIs enabling real-time guide discovery and tracking • Developed real-time chat infrastructure using event-driven architecture improving user engagement and communication reliability • Integrated AWS services such as S3 and SES to enable scalable media storage and automated notification workflows • Mentored junior developers, conducted technical reviews, and contributed to production stability and performance optimization • Developed live order tracking delivery system using Flutter + Next.js improving operational visibility • Designed and developed a Retrieval-Augmented Generation (RAG) chatbot platform using LangChain, OpenAI embeddings, and ChromaDB to enable intelligent document search and context-aware responses • Built asynchronous processing architecture using Redis queues, background workers, and WebSockets which significantly improved system responsiveness and scalability • Implemented secure document ingestion pipeline with AWS S3 storage, semantic chunking, and vector indexing for fast similarity search • Led sprint planning and task distribution for a team of 4 engineers, improving delivery predictability and reducing production defects through structured code reviews • Developed complete Stripe subscription lifecycle system including webhook synchronization, payment failure recovery flow, and idempotent billing logic ensuring reliable revenue processing Tech Stack: Next.js, TypeScript, Prisma, PostgreSQL, LangChain, OpenAI API, Redis, Docker, AWS

Jr. Software Engineer

Nov 2021 - Jun 2023 • 1 yr 7 mos

Worked on multiple distributed systems and customer-facing SaaS products. • Built peer-to-peer car sharing platform from scratch including advanced search filtering, real-time chat, review system, and map-based discovery • Migrated data infrastructure from ElasticSearch to PostgreSQL improving performance and reducing operational cost • Developed high-performance travel API service using Golang and ORM-based data modeling • Contributed to carrier integration services across multiple microservices collaborating with international engineering teams • Built data processing pipelines using Django cron services running across distributed AWS EC2 environments Tech Stack: React, Next.js, Node.js, Python, Django, Golang, PostgreSQL, MongoDB, Docker, AWS