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Hafsah Garbati

@hafsahgarbati

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I build offline-first backend systems, ERP platforms, and reliable transaction infrastructure.

Nigeria

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What I'm looking for

I'm looking to build reliable backend, ERP, and transaction systems where offline-first design, scalable architecture, and practical business impact matter.

I've built offline-first transaction systems for low-connectivity environments, including BUK Pay, a campus wallet platform supporting 20+ user personas. I designed transaction queuing and sync-on-reconnect logic, optimized database paths to 1.6s average response latency, and achieved an 84.5 SUS usability score.

At BigTech Agency Ltd, I architected client-facing web platforms, email infrastructure, and internal tooling while standardizing deployment workflows that maintained 100% on-time milestone delivery. At Tavestack, I contributed to an ERP platform built to prevent business downtime for regional enterprises with intermittent connectivity.

I've also built Flask APIs, data verification pipelines, and Python quantitative finance models for bond pricing, yield analytics, and stochastic interest-rate simulations. I enjoy translating business requirements into practical, scalable technical systems.

Experience

Work history, roles, and key accomplishments

Systems Architect

BigTech Agency Ltd

Jan 2023 - Dec 2026 (3 years 11 months)

Architected and delivered client-facing technical systems, translating business requirements into technical specifications. Built and standardized deployment workflows, reducing service delivery lead times and maintaining 100% on-time milestone delivery for enterprise clients.

System Architecture Technical Specifications Client Engagement Project Management