Happiest Minds is hiring for multiple technical leadership positions in Bangalore, including IoT Technical Lead, UI Architect, Cloud Architect, Mulesoft Lead, Magento Lead/Architect, and Big Data Architect. Candidates are required to have significant experience in relevant technologies such as Microsoft Azure IoT, enterprise application development, cloud architecture, software integration, and e-commerce development among others. The roles involve leading teams, developing innovative solutions, and utilizing modern technology stack in their respective domains.