Hassan Nadeem

Redesigned backend with NestJS + Node.js (DDD, Actor Model) to decouple domains and boost resilience by 40%. Built secure auth with OTP login and rotating JWTs. Automated Dockerized CI/CD via GitHub Actions, cutting deployments from hours to minutes. Integrated Twilio, Stripe, and Veho APIs for OTP, payments, and logistics, raising accuracy and engagement by 35%.

●​ Developed backend infrastructure for ColorDesQ, an e-textiles platform, enabling scalable workflow automation and real-time brand–vendor collaboration for B2B markets.
●​ Built an Auto Approval feature to automate high-volume jobs—lab dips, dye lot swatches, and multi-stage approvals—reducing turnaround time by 40% and eliminating manual bottlenecks.

●​ Developed Python backend using FastAPI and Jinja2 template engines to deliver high-throughput APIs and dynamic document generation.
●​ Improved application navigation with XState, enabling predictable user flows and reliable state management.
●​ Worked on NestJS backend that integrated with Hasura to provide scalable GraphQL APIs, simplifying client integrations.

Led development of a pharma portal MVP using Node.js, MongoDB, and IAM-based access control with Material UI dashboards. Redesigned an ESG platform with React, Vue, and Highcharts, implementing CAR algorithms and PostgreSQL (Sequelize). Authored Swagger/OAS 3.0 docs and deployed scalable Linux-based solutions.

Engineered a multilingual search and translation platform using custom pipelines and Elasticsearch analyzers (Arabic, Persian, Urdu, Russian, French, English) for real-time cross-language discovery. Contributed to backend systems for a social media analytics suite, delivering real-time dashboards and predictive insights for a Dentsu subsidiary.

Engineered licensing for shared memory and SIP/VoIP subsystems in Afiniti’s v6 services using C++ (STL, Boost) on Linux for high-performance concurrency. Built a shared-memory debugger, co-developed a watchdog microservice, containerized services with Docker, and optimized inter-service communication via Kafka.

●​ Engineered a secure SMS server by integrating ESP8266 and SIM 800 modules, enabling encrypted messaging over Wi-Fi and cellular networks.
●​ Conducted Wireshark and Cisco Packet Tracer training programs, where I developed network simulations and showcased the real-time flow of data packets. Additionally, I provided demonstrations of Raw Socket programming/Packet inspection.