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Wekesa Buyahi

@wekesabuyahi

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I build reliable fintech platforms, payment integrations, and scalable full-stack applications.

Kenya

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What I'm looking for

I'm looking to build reliable, scalable fintech and full-stack products, especially payment systems, backend platforms, workflow automation, and high-performing user experiences.

I've built fintech products at Vap Technologies and Sasapay, from creator tipping and marketplace payments to merchant settlement and utility-payment integrations.

At Sasapay, I improved merchant payment flows, helped increase merchant participation by 4%, and integrated services for electricity tokens, airtime, water bills, lending, and automated repayments.

I also develop scalable RESTful APIs and full-stack systems, including HRIS, supply-chain, logistics, and revenue-management platforms. My work spans secure authentication, role-based access, workflow automation, real-time tracking, and reliable transaction processing.

Earlier, I built and maintained React applications for Citizen Digital, using Redux, memoization, virtualization, and custom hooks to improve performance and usability. I work across Python, JavaScript, Django, React, Node, databases, Docker, Kubernetes, AWS, and monitoring tools.

Experience

Work history, roles, and key accomplishments

Current

Software Engineer

Current

Vap Technologies

Sep 2024 - Present (2 years)

Built and maintained a fintech-based content monetization platform, designed a supply chain management system, and engineered a two-sided marketplace platform with Stripe integration.

Payment Systems backend architecture System Architecture Workflow Automation Fintech Stripe Marketplace Systems Scalable Backend Design

Full Stack Developer

View Tech Limited

Oct 2022 - Jun 2024 (1 year 8 months)

Contributed to a Revenue Management System, led backend enhancements for a Merchant Portal, engineered payment integrations, and developed frontend features for Sasapay.