Ahmed Hasnain

ContentPen — AI Content Platform (Python, FastAPI) · Jan 2026 – Present Platform that runs keyword research → SERP/gap analysis → AI generation → SEO/AEO scoring → publishing → performance monitoring. 80,000+ articles generated, 30M+ organic visits driven.

1- Built FastAPI services powering content generation and agent execution pipelines
2- Implemented RAG retrieval with Pinecone to ground generated content in real source material and reduce hallucination in long-form output
3- Orchestrated multi-step, long-running agent workflows with Temporal, giving research → draft → optimize → publish durable execution that survives restarts and upstream provider failures
4- Integrated Agno for BYOK model routing across Anthropic, OpenAI, and Google providers
5- Built publishing integrations (WordPress, Webflow, Shopify) and Google Search Console ingestion powering analytics and content-decay detection
6- Diagnosed and resolved production integration failures: CMS bot protection (Cloudflare WAF, LiteSpeed anti-bot), provider rate limiting and 503 capacity errors, and model-specific API contract changes
7- Built the content planner dashboard in React/Next.js with bulk operations and multi-view scheduling

Replug — Link Marketing SaaS (Laravel, Vue.js) · Apr 2024 – Present 300,000+ active users · 9.9M+ short links · 80K+ bio pages · 50K+ QR codes · rated 4.8/5 on G2.

1- Designed the real-time click analytics system on ClickHouse, powering campaign dashboards and downloadable client reports
2- Built bulk CSV link creation supporting up to 100,000 links per batch
3- Implemented advanced traffic routing and A/B testing, enabling split, rotating, and personalized destinations from a single short link
4- Built custom domain infrastructure: automated SSL provisioning, DNS verification, and expiry/auto-renewal workflows across thousands of customer domains
5- Redesigned a 2000-domain synchronous DNS verification process into queued async jobs with rate limiting and exponential backoff, eliminating a recurring timeout failure mode
6- Wrote MongoDB aggregation pipelines across 10M+ document collections for subscription deduplication, usage metering, and cross-collection analytics reporting
7- Implemented Paddle Billing webhook handling for payment failures, retry scheduling, and subscription lifecycle events
8- Shipped the dynamic QR code generator and bio-link page builder (vCard, countdown, Q&A blocks)
9- Built a Laravel MCP server exposing Replug tooling to LLM clients over OAuth
10- Published the developer API documentation platform using Scribe + Scalar
11- Built and maintained the Replug Chrome Extension and internal admin tooling
12- Resolved customer-facing technical escalations directly through HelpScout

1- Built Laravel and Core PHP components following SOLID principles for a clinical operations platform
2- Designed and optimized SQL schemas for patient, scheduling, and billing data with integrity and access-control constraints
3- Developed Vue.js and jQuery interfaces for clinical and administrative workflows
4- Translated client operational requirements into technical specifications; delivered within Agile sprints with code review and unit testing

1- Built Laravel backend architecture across vendor management, catalog, order processing, and payouts
2- Implemented Stripe Connect for multivendor payments including split payouts and vendor onboarding
3- Developed Vue.js vendor dashboards and customer-facing storefront interfaces
4- Built and maintained REST APIs consumed by web and mobile clients
5- Optimized database queries and application performance as catalog and transaction volume grew

1- Delivered full-stack Laravel applications across multiple concurrent client projects
2- Built custom WordPress themes and plugins; integrated RESTful APIs
3- Handled cross-browser testing, debugging, and performance optimization

1- Built business websites for local and international clients using Elementor, WPBakery, and custom themes
2- Managed plugin integration, content systems, performance tuning, and SEO-friendly responsive layouts