Abdul Hannan

• Architect and ship production SaaS platforms using Python/Django/FastAPI, PostgreSQL, Redis, REST APIs, webhooks, and modern JavaScript frontends for international clients.

• Led backend development for SimpleTalk.ai, building real-time and automation services that supported 24/7 operations as the client scaled to $1M+ in monthly recurring revenue.

• Built backend automation for Fastyr.ai, increasing processing capacity from 200 to 1,200 daily transactions and improving completion rates from 15% to 72%.

• Designed integration-heavy services connecting AI models, telephony, CRM, calendar, and external APIs with reliability-focused webhook handling and production monitoring.

• Built Hyperstack InfraHub, an enterprise GPU infrastructure portal for provisioning, usage analytics, billing, organizations, and real-time infrastructure status.

• Own production delivery end-to-end: system design, API implementation, PostgreSQL data modeling, Docker/AWS deployment, CI/CD, performance tuning.

• Developed production applications and backend integrations using Python and JavaScript, delivering multiple releases for international clients.

• Built API-driven monetization and analytics integrations spanning payment gateways, event tracking, and A/B testing infrastructure.

• Profiled and optimized application performance, memory usage, and asynchronous loading paths, reducing load times by 40% on key flows.

• Worked in Agile/Scrum teams across product, QA, and engineering, contributing to debugging, release management, and production support.

• Built maintainable client applications and backend integrations with a focus on API design, performance, and clean architecture.

• Integrated third-party SDKs and REST APIs for authentication, analytics, and content delivery; participated in code reviews and structured releases.