About The RoleAs a Senior Software Engineer (f/m/d), you will be part of a high-impact team designing and enabling our GROPYUS Smart Living and Smart Building experience through scalable systems. You will help define and implement the architecture and operations of our Building Operating System, ensuring a robust, scalable digital infrastructure aligned with GROPYUS' mission of sustainable, affordable smart buildings. We build cross-collaborative and diverse teams that focus on products and are not tethered by ancient legacy systems or reporting structures.What you will be doingDesign and operate scalable IoT systems powering smart homes and buildings, integrating a range of proprietary smart devices.Build and maintain a Building Digital Twin, creating a unified source of truth for the building's operational state.Develop internal tools to support and streamline Building Operating System workflows and processes.Own and deliver complex technical tasks, working independently and adapting quickly to changing priorities and system-wide challenges.Apply technical expertise across domains, balancing business needs and technical risk while contributing to architectural decisions and roadmap planning.Champion agile, test-driven development and automation—within CI/CD pipelines and across the entire engineering lifecycle.Ensure quality, maintainability, and observability of systems by following scalable design principles and best practices.Collaborate cross-functionally, working closely with Product Managers, Designers, and Engineers to deliver impactful solutions and mentor junior team members.Execute full lifecycle development, including deployment, compliance, monitoring, and documentation using tools like ADRs, RFCs, and system specs.Contribute to a culture of ownership, sustainability, and innovation, where curiosity and purpose drive real-world impact.About YouYou have experience designing and building as well as running and maintaining software, as a senior software developer.You have professional experience in modern software design patterns.You are experienced and/or desire to test pair and/or mob programming.You have strong understanding of Linux based operating systems and distributed system architecture.You have experience with Kotlin, Python, TypeScript, PostgreSQL, Redis, and Cloud Operations (Azure, GCP, AWS, or similar).You bring experience in designing and operating high availability systems.You participate in team strategy, roadmap definition, and sprint planning.A plus if you are familiar with connectivity technologies (Wi-Fi, BLE, Zigbee, LoRaWAN, NB-IoT, 5G, etc.) as well as MQTT, CoAP, Zigbee, Z-Wave, Thread, KNX, BACnet, Matter.A plus if you have experience with data ingestion, processing, and analytics pipelines for IoT data, including time-series databases and event-driven architectures.A plus if you have hands-on experience integrating sensors, controllers, and automation frameworks in a building environment.What We OfferAn unlimited contract with 30 vacation days.Flexible, hybrid work: you can work from home or come into the office on the schedule that works best for you. Travel and work from abroad for up to 40 days per year. Flexible hours to prioritize important moments in your day.Attractive perks and benefits: company pension, language courses (English/German), employee discounts with selected sustainable brands, and mental health support with anonymous sessions.Virtual Shares Program: participate in the success of GROPYUS.Ownership: you can truly make your mark with your work and contributions at all organizational levels.Opportunity to be part of something big: rethink an entire industry and foster sustainable, affordable living.Diverse and enriching work environment with colleagues from over 50 countries and a culture of inclusion.Join us on our mission to design buildings as continuously evolving products to create the most exciting and affordable experience for all. We build for people and conserve the resources of our planet. We can’t wait to get to know you. For more information, visit our website, and if you have any questions, please reach out via email. #J-18808-Ljbffr