Automating recurring payments and subscriptions via mobile money in Ghana.

Developing back-end systems and fintech platforms.

Architected and built a scalable FastAPI back end with MongoDB, JWT auth, RBAC, and async logic for high throughput.

Engineered mobile money payment integrations with retry logic, real-time updates, and async background processing (Cloud Tasks, Pub/Sub, Cloud Scheduler).

Designed indexed MongoDB schemas and optimized queries to support 1,000+ concurrent payment transactions.

Built secure REST APIs for internal services, third-party integrations, and USSD flows for offline users.

Automated deployments with Docker and GitHub Actions CI/CD on GCP, integrating monitoring, logging, and alerting.

Managed the full back-end lifecycle, from authentication to Webhook orchestration, ensuring seamless recurring payments with a 98% renewal success rate and <1% churn due to payment failures.

Designed and deployed a domain-optimized LLM pipeline (RAG), reducing lithium brine analysis time.

Built scalable back-end services on AWS (App Runner, S3, CodeBuild, SQS) with Docker, ensuring secure, automated deployments and high availability.

Implemented hybrid data management with PostgreSQL (structured data) and Pinecone (Vector DB) to enable context-aware semantic search.

Provided expert AI consulting and delivered tailored AI solutions.

Specialized in Generative AI, LLMs, and comprehensive end-to-end systems.

Built autonomous AI agents for a VC firm to automate data collection, analysis, and summarization.

Reduced manual research time by 75%, delivered real-time portfolio insights, and improved deal flow evaluation.

Designed and deployed a WhatsApp-based AI assistant, resolving 80% of customer queries autonomously and cutting response times by 90%, boosting customer loyalty.

Architected a web widget + WhatsApp assistant, enabling customers to search and shop using natural language.

Built a multimodal LLM pipeline to extract attributes when brand upload outfits and drive semantic search across 2K+ catalog items.

Integrated HeyBeauty's 2D avatar engine, allowing users to preview recommended outfits on themselves with real-time virtual try-ons.

Achieved 80% automation of all incoming queries and 90% faster response times, production-deployed on AWS with autoscaling, CI/CD, and observability for real-time reliability.

Delivered scalable, reliable AI-powered knowledge workflows by developing Besti, an LLM chatbot platform, overseeing Python back-end and AI architecture for enterprise usage.

Integrated multiple data sources, including documents, PDFs, websites, sitemaps, and cloud storage, to provide context-rich and accurate insights.

Built scalable FastAPI services with real-time streaming via Pusher, containerized with Docker, and deployed to GCP Cloud Run with automated monitoring dashboards in Grafana.