Product engineering
We develop complete products, including customer experiences and the internal operational systems that help teams run them. Our own products are practical evidence of this end-to-end approach.
From product requirements to production SaaS: mobile apps, web dashboards, backend APIs, tenancy, subscriptions, billing, testing and release.
Discuss this serviceDefine the smallest complete customer workflow and success criteria.
Build the user experience and its business-state foundation together.
Launch with measured quality checks and iterate based on feedback.
These products and client systems illustrate relevant engineering work. Each case study identifies the delivery context and supported platforms.
Our products
Rent collection and reconciliation software for landlords and property managers. RentPayor connects iOS and Android apps with a web management dashboard for landlords and property managers. It handles properties, leases, rent invoicing, M-Pesa collections, partial payments, automatic reconciliation, receipts, credits and reporting.
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School-fee billing and collection software with an Android parent experience and web administration dashboards for schools. Manages students, guardians, term invoicing, M-Pesa payments, receipts, balances and reconciliation.
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Hospital management information system connecting patient registration, OPD, emergency, inpatient care, orders, referrals, theatre, billing, ambulance, mortuary, duty coverage, patient movement, documents, and facility operations. It includes facility-bound Tuma M-Pesa patient billing and reconciliation, alongside SaaS subscription billing infrastructure.
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Voice-first journaling app that preserves the original recording, transcribes spoken entries, and uses AI to generate useful titles, summaries, and categories. Entries can be searched and revisited by date, linked to goals, supported by reminders and prompts, and protected with account, deletion, and optional biometric controls.
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Talk directly with the engineer responsible for your project. Joeltech Geek Systems works with businesses and founders in Kenya and across the world.