Salary: £40,000 - 50,000 per year Requirements: 5 years experience in IoT software, cloud integration or embedded systems Strong skills in PLC, CAN, Modbus or similar protocols Proficiency in API and cloud development (AWS/Azure, MQTT, WebSockets) Knowledge of secure firmware updates and encryption (TLS, AES) Comfortable working autonomously in a fast-moving start-up environment Background in EV charging, energy storage or industrial automation is a plus Responsibilities: Build IoT and cloud software for charger connectivity and monitoring Create telemetry and data pipelines (PLC, CAN) Enable secure remote control and bi-directional communication (MQTT/WebSockets) Deliver OTA firmware updates and REST APIs (OCPP/OCPI) Develop secure, scalable cloud infrastructure (AWS IoT, Azure, etc.) Collaborate closely with hardware and IoT partners to integrate systems end-to-end Technologies: API AWS Azure Cloud Embedded Firmware Hardware IoT MQTT PLC REST Security More: We are TUAL Technology, an innovative, VC-backed start-up based in Bicester, developing PowerUp, a high-power EV charging solution designed for grid-constrained sites. We integrate battery storage, smart energy management, and ultra-fast DC charging to offer seamless electrification. By working closely with enterprise customers across Europe, we are transforming the productivity and profitability of electric commercial vehicle fleets through intelligent, software-defined, cloud and IoT-enabled charging solutions. Joining us offers the chance to build and shape a core technology in a rapidly growing and dynamic environment. last updated 11 week of 2026