Senior Java backend developer

Are you a seasoned Java Developer with a passion for building scalable, event-driven systems? Do you want to work on cutting-edge IoT solutions that drive efficiency in water utilities? At Float IoT, we are looking for a Senior Java Developer with Kafka expertise to join our IoT Gatekeeper team.

In this role, you will take a leading part in designing and developing our IoT Gatekeeper platform, a critical component of our technology stack that ensures secure and efficient management of connected devices inlarge-scale water networks. You will work with a modern tech stack, lead architectural decisions, and collaborate with a skilled development team to build innovative solutions that make a real-world impact.

If you’re ready to apply your Java expertise in a mission-driven environment and help shape the future of IoT, we’d love to hear from you!

What you’ll do

• Architect and implement scalable backend solutions for our IoT Gatekeeper, ensuring security, performance, and reliability.
• Guide a team of developers, share best practices, and contribute to technical decision-making.
• Develop event-driven architectures using Apache Kafka for seamless data processing and real-time device communication.
• Improve the efficiency of our Java-based infrastructure, focusing on scalability, resilience, and security.

What you bring

• 7+ years of experience in Java development, with expertise in backend system architecture.
• Proven experience with Kafka, handling event-driven data pipelines in a distributed environment.
• Proven strong leadership and communication skills to mentor developers and drive technical excellence.

What we offer

• Exciting, fast-paced projects : Work on innovative IoT solutions that have a real-world impact.
• A mission that matters : Help shape the future of water management and sustainability.
• A culture that rewards initiative : Your ideas and input matter. Take ownership of your work and make a difference.
• Attractive compensation and benefits : Competitive salary, flexibility, and a supportive team of top-tier engineers.

About the IoT Gatekeeper

The IoT Gatekeeper is Float IoT’s dedicated IoT platform for managing and securing connected water utility devices. It provides:

• Centralized device authentication for secure access management.
• Event-driven data processing using Apache Kafka.
• Real-time monitoring and analytics for large-scale water distribution networks, handling hundreds of millions of messages.
• A secure and scalable architecture using a modern tech stack:

Tech Stack:

• Java 11
• Apache Kafka
• TimescaleDB (PostgreSQL)
• React (TypeScript)
• Docker