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Strong fit if you lead architecture for production systems, thrive in climate-tech scale-ups, and want on-site Berlin work at a company growing financing and VPP capacity for home clean energy.
As Principal Software Engineer at 1KOMMA5° in Berlin, you set technical direction for systems that support home energy products and the virtual power plant. Typical work includes turning requirements into feasible designs, aligning with product and operations on constraints and interfaces, and coordinating delivery of software that must stay reliable as connected load scales.
The listing is for Berlin with remote set to no; plan for local presence unless the employer states otherwise.
Home clean-energy systems and a virtual power plant that has been reported at about 1 GW of shiftable load globally.
Deep software design experience, stakeholder coordination, and comfort owning complex systems—aligned with senior software engineering practice.
Public-domain labor data — prepare examples for 2–3 of these.
Website: 1komma5.com
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Principal Software Engineer (m/f/d) at 1KOMMA5° in Berlin What This Role Involves In this role, you will lead with clarity and decisiveness to shape our technical strategy and innovation efforts. You'll own critical architectural decisions, drive alignment across teams, and ensure execution at the highest technical standard. Your focus areas include building a virtual power plant using Heartbeat as the energy manager and evolving the customer experience app around this operating system. Additionally, you will be accountable for consistent execution of technical decisions by setting clear direction. Your Responsibilities Shape the organization's technical strategy and innovation efforts Own critical architectural decisions Drive alignment across teams Ensure execution at the highest technical standard Accountable for consistent execution of technical decisions by setting clear direction Support the digitization of operations and processes from ground operations to rooftop installations for installation companies Requirements Key requirements include a proven track record as a Principal Software Engineer, deep technical insight, and leadership experience. You should have a strong background in software engineering, with expertise in building complex systems and leading cross-functional teams. Knowledge of virtual power plants, energy management systems, and renewable energy technologies is beneficial. Excellent communication skills and the ability to drive alignment across diverse teams are essential. About the Company 1KOMMA5° is dedicated to living on wind and sunlight forever for free by building the energy system of the future with Heartbeat AI. We bring together regional craftsmanship and scalable software, controlling solar, batteries, heat pumps, and e-mobility as an intelligent, integrated overall system in our virtual power plant. Directly connected to the electricity market – in real time, fully automated. Our goal is to transition 1.5 million households to renewable energies by 2030. Applying for This Role To apply, complete your application directly on this page, or you'll be redirected to the employer's application platform to finish submitting there. Join us in shaping the energy world of tomorrow!
Generated for personal interview prep · 2026-08-01 UTC · getajob.ai