Senior Fullstack Developer - Remote

Overview

We support our customers in making buildings more climate-friendly, more comfortable and more affordable with connected real estate, simple products and high processing and service quality. We provide our customers with efficient, tailored processes and applications for operating IoT infrastructures in real estate, as well as our flexible Enterprise-IoT-Suite, in which we manage data from many millions of sensors into intelligent products and services.

In Short

• Together with your team, you develop and maintain full-stack software solutions for an Android-based installer app and supporting backoffice tools in the field of real estate energy management.
• Implement installer workflows that guide technicians through device installation, replacement, including full digital documentation of installations.
• Build and operate backend services and APIs for data processing, validation, health checks, and integration with downstream systems (e.g. dispatching, billing, heat cost calculation).
• Design and maintain data models for buildings and installed devices, ensuring data quality and consistency.
• Collaborate closely with product, UX, and domain experts to deliver reliable, user-friendly solutions and continuously improve the platform.
• Participate in code reviews, architectural discussions, and continuous improvement of development practices, performance, and system stability.
• Support the full software lifecycle, from concept and implementation to testing, deployment, and maintenance.

Requirements

• Proactive, problem solving mindset
• Ability to communicate complex ideas in clear and concise way (in English)
• Strong collaboration skills and experience working closely with other teams (product, frontend, QA, DevOps, etc.)
• At least 5 years of experience working as a Software Developer
• Proficiency in development with Kotlin, Java or similar (JVM) languages
• Professional working experience with a frontend framework like Angular, React or Vue.js
• Solid understanding of object-oriented design, clean code principles, and software architecture
• Experience designing, implementing, and consuming RESTful APIs
• Good knowledge of relational databases (e.g. PostgreSQL, MySQL) and SQL
• You’re located in Germany

Benefits

• Modern hardware and the opportunity to work with cutting-edge technologies
• Besides our 100% remote work possibility, we offer an office in Hamburg (Hammerbrook) for a more personal collaboration
• Space and budget for personal growth
• Flexible working hours
• 30 days vacation
• Events for employees to celebrate our achieved goals and great team-spirit
• Community of Practice and Knowledge Nuggets for improving your skills
• Corporate Benefits and Mental Health Programme
• JobRad-Leasing
• Coffee, tea and water for free in our office