1KOMMA5°<br>                                We are looking for you to join our tech team in Berlin, Munich, or Hamburg. 1KOMMA5° is creating Germany's largest one-stop-shop for the sale, installation, and servicing of solar panels, heat pumps, electricity solutions, and charging infrastructure. And the best part? They are all interconnected!<br><br>Become a part of our mission and learn <a href="https://1komma5.com/de/ueber-uns/jobs/tech/">more</a> about our Product &amp; Tech team!                            Your mission<br>                                In tech we have two main work streams:<br><ul><li>Heartbeat: Building a virtual power plant levering our energy manager “Heartbeat” and evolving the customer experience app around this</li><li>Operating System for installation companies: Digitisation of operations and processes from ground operations to rooftop installations</li></ul>At 1KOMMA5°, we are looking for a top-tier Principal Software Engineer who leads with clarity, decisiveness, and deep technical insight. You will shape and own critical architectural decisions, drive alignment across teams, and ensure execution at the highest technical standard.<br><h3><strong><span style="font-family:Arial , Helvetica , sans-serif;font-size:14px;">Key responsibilities include but are not limited to:</span></strong></h3><ul><li>Shape the organisation's technical strategy and innovation efforts</li><li>Accountable for consistent execution of technical decisions by setting clear direction and holding teams accountable for implementation</li><li>Ensure continuously that our software architecture is shaped in close alignment with product management to support current and future product direction</li><li>Lead architectural direction to enable the delivery of scalable, maintainable, and state-of-the-art solutions</li><li>Translate business requirements into technical solutions</li><li>Tackle and resolve deep technical challenges with urgency and precision</li><li>Mentor and challenge engineers to accelerate their professional growth</li><li>Build and scale a high-performance tech organisation and engineering culture</li></ul><h3><strong><span style="font-family:Arial , Helvetica , sans-serif;font-size:14px;">Technologies you will work with include:</span></strong></h3><ul><li>Typescript/JavaScript/NodeJS (VueJS/NestJS)</li><li>Ruby on Rails</li><li>Flutter (Dart)</li><li>Google Cloud Platform</li><li>Terraform</li><li>GitHub Actions</li><li>IoT applications</li></ul>                            Your profile<br>                                You have:<br><ul><li>Extensive hands-on experience in software development with multiple general-purpose programming languages for a minimum of 5 years</li><li>A proven track record of architecting scalable and secure systems, demonstrating a strong commitment to quality</li><li>Extensive experience in designing and implementing APIs that enable seamless integration and system communication</li><li>An agile and result-oriented mindset, with a strong emphasis on collaboration and teamwork</li><li>Expertise in communicating with stakeholders in business terms and understanding the technical implications of their requirements</li><li>Industry-leading experience driving cross-functional teams and enforcing engineering alignment in fast-paced environments, including making and following through on critical technical decisions</li><li>Excellent verbal and written communication skills in English, with proficiency in German considered a plus</li></ul>Bonus points for:<br><ul><li>Experience with IaC (ideally Terraform)</li><li>Interest in climate tech industry</li></ul>We are an ambitious and dynamic company with a talented team. We require our engineers to be imaginative, enthusiastic, and willing to tackle new challenges as we strive to provide everyone with renewable energy technologies.                            Benefits<br>                                <ul><li>You are part of an international, dynamic, and highly motivated team of people who have proven to make things happen</li><li>With your work, you accelerate the "energy transition" and hence have a direct impact on our climate</li><li>Work with and learn from other super-smart colleagues</li><li>You will enjoy direct contact with core decision-makers</li><li>You will enjoy the best chances of entering full-time in one of Europe’s most thriving scaleups</li><li>You work remotely (Germany-wide), with offices in Hamburg, Berlin or Munich</li><li>Create a healthy balance alongside your work and enjoy all the benefits of the EGYM Wellpass</li><li>Benefits and discounts are yours with Futurebens</li><li>Whether city bike or e-bike - be flexible with our job bike leasing and do something good for the environment at the same time</li><li>Individualised opportunities for professional development</li><li>Reporting directly to the CTO</li></ul>                            

<p class="break-words white-space-pre-wrap t-black--light text-body-medium">1KOMMA5&deg; was founded in summer 2021 by entrepreneurs and industry experts with the aim of making buildings holistically CO2 neutral through the use of photovoltaics, heat pumps and charging infrastructure. This is implemented by providing technology for decentralized, clean energy, mobility and heat supply. Thanks to the intelligent energy management &ldquo;Heartbeat&rdquo; and the dynamic electricity tariff &ldquo;Dynamic Pulse&rdquo;, 1KOMMA5&deg; always guarantees the cheapest and cleanest electricity from sun and wind. 1KOMMA5&deg; participates in particularly innovative craft businesses in the areas of photovoltaics, electricity storage, charging infrastructure and heat pumps, on the one hand to strengthen regional crafts and on the other hand to enable high-quality advice and installation at the customer's site. 1KOMMA5&deg; currently operates over 65 locations with around 1,500 employees from Europe to Australia. In addition, 1KOMMA5&deg; is working on networking and controlling decentralized generation systems with the aim of fully realizing the potential of the decentralized energy transition. For this purpose, all installed systems become part of a networked IoT platform, which uses algorithms to guarantee optimal, automatic operational management over the life of the system.</p>

Principal Software Engineer (m/f/d)

1KOMMA5°<br>                                We are looking for you to join our tech team in Berlin, Munich, or Hamburg. 1KOMMA5° is creating Germany's largest one-stop-shop for the sale, installation, and servicing of solar panels, heat pumps, electricity solutions, and charging infrastructure. And the best part? They are all interconnected!<br><br>Become a part of our mission and learn&nbsp;<a href="https://1komma5.com/de/ueber-uns/jobs/tech/">more</a> about our Product &amp; Tech team!                            Your mission<br>                                In tech we have two main work streams:<br><ul><li>Heartbeat: Building a virtual power plant levering our energy manager “Heartbeat” and evolving the customer experience app around this</li><li>Operating System for installation companies: Digitisation of operations and processes from ground operations to rooftop installations</li></ul>At 1KOMMA5°, we are looking for a top-tier Principal Software Engineer who leads with clarity, decisiveness, and deep technical insight. You will shape and own critical architectural decisions, drive alignment across teams, and ensure execution at the highest technical standard.<br><h3><strong><span>Key responsibilities include but are not limited to:</span></strong></h3><ul><li>Shape the organisation's technical strategy and innovation efforts</li><li>Accountable for consistent execution of technical decisions by setting clear direction and holding teams accountable for implementation</li><li>Ensure continuously that our software architecture is shaped in close alignment with product management to support current and future product direction</li><li>Lead architectural direction to enable the delivery of scalable, maintainable, and state-of-the-art solutions</li><li>Translate business requirements into technical solutions</li><li>Tackle and resolve deep technical challenges with urgency and precision</li><li>Mentor and challenge engineers to accelerate their professional growth</li><li>Build and scale a high-performance tech organisation and engineering culture</li></ul><h3><strong><span>Technologies you will work with include:</span></strong></h3><ul><li>Typescript/JavaScript/NodeJS (VueJS/NestJS)</li><li>Ruby on Rails</li><li>Flutter (Dart)</li><li>Google Cloud Platform</li><li>Terraform</li><li>GitHub Actions</li><li>IoT applications</li></ul>                            Your profile<br>                                You have:<br><ul><li>Extensive hands-on experience in software development with multiple general-purpose programming languages for a minimum of 5 years</li><li>A proven track record of architecting scalable and secure systems, demonstrating a strong commitment to quality</li><li>Extensive experience in designing and implementing APIs that enable seamless integration and system communication</li><li>An agile and result-oriented mindset, with a strong emphasis on collaboration and teamwork</li><li>Expertise in communicating with stakeholders in business terms and understanding the technical implications of their requirements</li><li>Industry-leading experience driving cross-functional teams and enforcing engineering alignment in fast-paced environments, including making and following through on critical technical decisions</li><li>Excellent verbal and written communication skills in English, with proficiency in German considered a plus</li></ul>Bonus points for:<br><ul><li>Experience with IaC (ideally Terraform)</li><li>Interest in climate tech industry</li></ul>We are an ambitious and dynamic company with a talented team. We require our engineers to be imaginative, enthusiastic, and willing to tackle new challenges as we strive to provide everyone with renewable energy technologies.                            Benefits<br>                                <ul><li>You are part of an international, dynamic, and highly motivated team of people who have proven to make things happen</li><li>With your work, you accelerate the "energy transition" and hence have a direct impact on our climate</li><li>Work with and learn from other super-smart colleagues</li><li>You will enjoy direct contact with core decision-makers</li><li>You will enjoy the best chances of entering full-time in one of Europe’s most thriving scaleups</li><li>You work remotely (Germany-wide), with offices in Hamburg, Berlin or Munich</li><li>Create a healthy balance alongside your work and enjoy all the benefits of the EGYM Wellpass</li><li>Benefits and discounts are yours with Futurebens</li><li>Whether city bike or e-bike - be flexible with our job bike leasing and do something good for the environment at the same time</li><li>Individualised opportunities for professional development</li><li>Reporting directly to the CTO</li></ul>                            

Principal Software Engineer (m/f/d)

About the Job

About the Company

1KOMMA5°

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