Location: Bicester, Oxfordshire, South East, UKLead Software Engineer
IoT & Full-StackLocation: Hybrid / BicesterType: PermanentSalary: Competitive, market-basedTUAL Technology is an innovative, VC-backed start-up based in Bicester, developing PowerUp
a high-power EV charging solution designed for grid-constrained sites. By integrating battery storage, smart energy management, and ultra-fast DC charging, TUAL delivers seamless electrification where traditional grid capacity falls short. Working with enterprise customers across Europe, TUAL is transforming the productivity and profitability of electric commercial vehicle fleets through a portfolio of intelligent, software-defined, cloud and IoT-enabled charging solutions.The RoleWere looking for a hands-on Lead Software Engineer to own the design and delivery of our IoT and cloud software platform. Youll connect our ultra-fast chargers, manage data and remote control functions, and ensure security and scalability across our systems.Youll work directly with the VP Product and VP Power Electronics, shaping architecture, integrations and performance
turning ideas into real, working solutions.________________________________________What Youll DoBuild IoT and cloud software for charger connectivity and monitoringCreate 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________________________________________Your Background5+ years experience in IoT software, cloud integration or embedded systemsStrong skills in PLC, CAN, Modbus or similar protocolsProficiency 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 environmentBackground in EV charging, energy storage or industrial automation is a plus________________________________________Why JoinThis is a chance to build the full IoT and cloud platform behind PowerUp
from architecture to deployment. Youll shape a core technology in a growing, well-funded start-up tackling real-world challenges in electrification.TPBN1_UKTJ