Embedded systems, payment infrastructure, and enterprise software. We build the software that runs quietly in the background — handling money and machines, day and night.
Firmware development for resource-constrained hardware. Real-time systems, device drivers, and bare-metal programming on microcontrollers.
EMV chip card integration, payment terminal firmware, gateway middleware, and transaction processing backends for POS environments.
End-to-end vending machine software, closed-loop payment systems, device control, transaction handling, and management dashboards.
High-reliability payment backend services. SOAP and REST APIs, transaction routing, reconciliation, and real-time settlement processing.
Connected device platforms, telemetry collection, remote management, and over-the-air firmware updates for field-deployed hardware.
Nextworld ERP platform development, connecting business processes with external systems, devices, and payment infrastructure.
Optotech is a systems engineering company based in South Africa, specialising in the intersection of hardware and software. From bare-metal firmware on microcontrollers to payment backends processing live transactions — we build infrastructure that works.
Founded by Hein de Kock, we bring deep experience across the full stack of embedded development, payment systems, and enterprise integration.