Ostrom is revolutionizing the energy sector, driving the green energy transition by making renewable energy accessible and inclusive. We offer a cutting-edge energy management platform that helps consumers switch, track, and reduce their electricity consumption effortlessly. As a rapidly growing startup, Ostrom leverages a modern tech stack to power its platform. Our current technologies include iPhone/Mobile Compatibility, Viewport Meta, Common Crawl, Google Tag Manager, Apple Mobile Web Clips Icon, SSL by Default, Google Font API, HSTS, Google Analytics, and Euro. We foster a collaborative and transparent engineering culture, embracing remote-first principles with a commitment to flexibility and a flat hierarchy where everyone's voice matters. With a diverse team of 44+ employees from 14+ nationalities (and growing!), Ostrom is backed by €22.5M in funding and is committed to a sustainable environment. The company is based in Berlin, Germany but offers remote work options. Join us in our mission to build Europe's leading energy management platform and make a positive impact on the planet.

Avantus is a technology-driven company that specializes in software development, focusing on innovative solutions to meet industry demands.

Lunar Energy is a fast-growing global company founded in 2020, dedicated to transitioning homes to 100% clean energy. They design and engineer clean energy products, connect communities to form virtual power plants, and deliver an ecosystem of all-electric products for greener, cleaner, and more reliable energy.

PosiGen empowers low-to-moderate-income homeowners with affordable solar energy and energy efficiency solutions. As a leading Third Party Ownership (TPO) company, we're making a significant impact on energy independence and financial autonomy across the nation. We achieve this by providing comprehensive renewable energy systems and retrofits, lowering utility bills and increasing fiscal freedom for our customers. Our tech stack includes a robust infrastructure leveraging Amazon Web Services, Cloudflare hosting, and nginx, alongside security measures like DNSSEC and Let's Encrypt. We prioritize a data-driven approach using tools like CrUX for performance analysis. We're a growing team of 251-500 passionate individuals, united by our core values: integrity, kindness, collaboration, delivering on promises, and engaging passionately. We foster a flexible and inclusive work environment, with many roles offering remote options. PosiGen has experienced significant growth, securing over $635 million in funding and consistently recognized for our impactful work. We've been named a Top Inc. 5000 company, demonstrating our commitment to both innovation and social impact. Our focus on technological advancement and community engagement creates a rewarding and purpose-driven atmosphere for our employees. Our commitment extends beyond just providing clean energy – we're building a sustainable future, one home at a time. We offer competitive salaries, excellent benefits, and a supportive, collaborative culture where innovation and teamwork thrive. Join us and be part of something meaningful.

Enervee is a SaaS platform driving energy efficiency and consumer engagement. We empower energy companies and their customers to make informed, energy-smart purchasing decisions across 20+ product categories. Our platform leverages data science, behavioral science, and cutting-edge technology to deliver a simple, seamless user experience, influencing the decisions of over 50 million customers. We're making a tangible impact on energy consumption and environmental sustainability, working with utilities across the US and Europe. Our engineering team builds and maintains a scalable service-based architecture using a modern tech stack. This includes Python and Django/Flask for backend services, Angular and AngularJS for frontend development, PostgreSQL and Snowflake databases, and robust DevOps practices with Kubernetes and Docker. We prioritize automated deployments through self-hosted GitLab and utilize HashiCorp Vault for secure secrets management. We foster a collaborative and innovative environment, encouraging team members to voice their opinions and contribute to architectural decisions. We believe in transparency, and supporting a positive work environment is a core part of our company culture. Enervee is a remote-friendly company, providing a flexible and inclusive work environment for our team members across the US. We value diversity, innovation, and collaboration. We're a venture-backed startup with a strong track record of growth and a clear mission: to make every purchasing decision an energy-smart one. Our recent Series B funding enables us to continue expanding our platform and accelerating our impact on the energy efficiency market. We offer competitive compensation, unlimited PTO, excellent benefits, and the opportunity to work on impactful projects that contribute to a cleaner planet. Join our team and help us shape the future of energy-smart buying!

Electric Hydrogen is a company focused on innovative technologies in the hydrogen sector, aiming to advance commercial opportunities in the EMEA region.

Renew Home is a forward-thinking company that leverages innovative technologies to enhance its services, currently seeking to hire a Senior/Staff Product Designer for their remote team in the US.

Mainspring Energy is engineering advanced technology by developing a prototype of a linear generator that converts fuel to electricity. Mainspring was founded in 2010 by three Stanford engineers- Shannon Miller, Adam Simpson, and Matt Svrcek. Today Mainspring brings together a diverse, talented team of individuals who share the vision to address the growing threat of climate change and the need for affordable electricity for all.

King Energy is a rapidly growing next-generation energy company revolutionizing the commercial solar market. We install and manage solar power systems for multi-tenant properties, such as shopping centers and office buildings, providing clean, renewable energy to tenants while increasing property value for owners. Our innovative financing model and proprietary OneBill software platform streamline the entire process, from initial lease negotiations to long-term energy management. This results in significant cost savings for tenants and increased revenue for property owners. We leverage a robust tech stack, including Cloudflare hosting, Content Delivery Network (CDN), and various security protocols (DNSSEC, HSTS), to ensure efficient and secure operations. Our team is passionate about sustainable energy and committed to a remote-first work environment fostering collaboration and innovation. We prioritize efficient and scalable solutions, constantly refining our engineering practices to improve our software and deployment processes. King Energy is backed by significant venture capital funding and has already secured millions of dollars in investments, demonstrating strong market confidence in our model. We are proud of our contributions to a cleaner energy future and are committed to building a positive impact for our clients and the community. We're a small but mighty team of approximately 11-50 employees, and we’re looking for talented individuals to join us on our exciting journey. Our commitment to remote work, competitive compensation (base salary plus commission, stock options), and a comprehensive benefits package (health insurance, unlimited PTO) create a supportive and engaging work environment where individuals can thrive. We're proud to be recognized for our innovation and contributions to the renewable energy sector.

atmio is revolutionizing methane emission monitoring in the oil and gas sector. We've built an integrated operating system that effortlessly finds, fixes, and reports methane leaks, significantly reducing environmental impact. Our unique approach combines cutting-edge hardware and software, enabling efficient leak detection and repair, and streamlined regulatory reporting. We leverage a tech stack including Django, AWS (Lambda, ECS, databases, CI/CD), Terraform, and utilize data analysis and AI to pinpoint leaks with precision. Our team operates with a focus on collaboration, autonomy, and impactful work. We offer a remote-first culture, with hubs in Hamburg and Munich, fostering a flexible and supportive environment. We are passionate about environmental sustainability and are committed to providing our employees with professional development opportunities. We value a healthy work-life balance, offering access to mental health resources and benefits like flexible work hours and the Deutschlandticket for easy public transportation access. Founded in 2023, atmio has already secured significant seed funding and is experiencing rapid growth. We are actively expanding our team of talented individuals who share our commitment to innovation and environmental responsibility. Join us in making a real difference in the fight against climate change. We are a small but mighty team (<10 people) building something huge. Our culture prioritizes collaboration, transparency, and making a tangible impact. We empower our engineers to take ownership of their work and continuously learn and grow. We are committed to our mission and excited about what the future holds.