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Hyacinth Ampadu

@hyacinthampadu

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AI/Machine Learning Engineer and backend developer delivering scalable AI systems and production-grade backends.

Ghana

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What I'm looking for

I seek roles where I can build production-grade AI/ML systems, lead backend and MLOps efforts, work with LLMs, and drive measurable business impact in collaborative teams.

I am an AI/Machine Learning Engineer and backend developer with 6+ years of experience delivering AI/ML solutions and building scalable backend systems across fintech, SaaS, and generative AI platforms.

I architect end-to-end AI solutions, design secure high-performance Python backends (FastAPI/Flask), and deploy models and services on cloud platforms like GCP and AWS with CI/CD, containerization, and monitoring.

I have built and deployed LLM and LMM pipelines (RAG, LangChain, Hugging Face), integrated vector databases and semantic search (Pinecone, Qdrant), and implemented robust evaluation, human-in-the-loop validation, and safety guardrails for production reliability.

Across consulting, startups, and research projects I have improved time-to-insight, automated workflows, and driven measurable outcomes—reducing research time, increasing engagement, and delivering production-ready AI systems.

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Experience

Work history, roles, and key accomplishments

Founder / Backend Engineer

AkwaCash

Jan 2025 - Aug 2025 (7 months)

Architected and built a scalable FastAPI backend for a mobile-money subscription fintech, implemented MongoDB schemas, JWT/RBAC auth, asynchronous payment integrations with retry logic, and automated CI/CD on GCP to support high-throughput transactions.

fastAPI Python MongoDB JWT GCP)CI CD Payment Integration GCP

Founder / AI Consultant

JoAmpsConsult

Jul 2024 - Aug 2025 (1 year 1 month)

Founded a consultancy delivering generative AI and end-to-end AI solutions, including autonomous AI agents for investment analysis (75% reduction in manual research) and a WhatsApp AI assistant that resolved 80% of customer queries and cut response times by 90%.

Generative AI LLMs Deployment RAG

AI Engineer and Backend Developer

NextGenMaterials

Jan 2025 - Jun 2025 (5 months)

Designed and deployed a domain-optimized RAG LLM pipeline that reduced lithium brine analysis time from days to hours, built scalable AWS backend services with Docker, and implemented PostgreSQL + Pinecone hybrid data management and evaluation guardrails.

LLM RAG PostgreSQL Pinecone

Generative AI Engineer

EstiloAI

May 2024 - Dec 2024 (7 months)

Architected multimodal LLM pipelines and a web/WhatsApp shopping assistant using LangChain, Qdrant and Gemini, integrated a 2D avatar engine for virtual try-ons, and deployed a scalable AWS backend to pilot with multiple fashion brands.

Lang Chain Qdrant Gemini AWS

AI / Machine Learning Engineer

Webicient

May 2023 - Jul 2024 (1 year 2 months)

Delivered Besti, an enterprise LLM chatbot platform, building FastAPI backends, LangChain/LangGraph + Pinecone integrations, real-time streaming, data ingestion pipelines, BigQuery analytics and Looker dashboards to reduce reporting lag and enable reliable AI knowledge workflows.

fastAPI Lang Chain Pinecone BigQuery

AI / ML Consultant (Selected Projects)

Independent Projects

Jan 2019 - Apr 2023 (4 years 3 months)

Executed multiple ML projects including political tweet engagement (+25% engagement), rail temperature forecasting (±1°C at 48h), NFT trade prediction (10% ROI), and COVID-19 mortality prediction published in PeerJ Comp Sci.

PyTorch XGBoost NLP Spark

Graduate Assistant

Kwame Nkrumah University of Science and Technology

Sep 2019 - Jun 2020 (9 months)

Mentored undergraduate students in data science and machine learning research projects, providing technical guidance that supported successful project completion and degree attainment.

Mentoring Research Data Science