Lead Full-Stack Engineer - Next.js/Kotlin, Energy Tech

Understanding Recruitment is seeking a Lead Software Engineer to head a full stack team in a hybrid role in Central London. You will balance architectural leadership with active hands-on development (Next.js/React.js on the frontend and Kotlin on the JVM) while guiding a small squad and collaborating with product managers and customers to deliver scalable, customer-facing energy platforms.

The role emphasizes hands-on delivery (about 70%) and people management (about 30%), with a focus on modern