Senior Backend Engineer

Base Pay Range $130,000.00/yr - $200,000.00/yr About Cambio Cambio is a software platform for world‑class real estate decarbonization. We help commercial real estate owners and tenants bring their real estate portfolios to net‑zero using a machine‑learning‑driven, end‑to‑end real estate sustainability platform. Our mission is to take the real estate industry into the climate action era. We are proud to be the fastest growing startup in our category, with world‑class partners and investors including Y Combinator, Google, the U.S. Department of Energy, Stanford University and Fifth Wall. We are seeking team members who are passionate about building transformative products, enthusiastic about problem‑solving, and excited to work at the forefront of climate and real estate technology. Join us on our mission to achieve net zero by 2050. Things Our Engineers Love Mission‑driven: Climate can’t wait. We’re building real solutions for one of the most carbon‑intensive industries — real estate. Hypergrowth: We've tripled our ARR last year and we’re on track to do it again. AI‑forward: We're tripling our investment in AI to supercharge our platform and help customers decarbonize faster. World‑class team: Ex‑Google, Bain, Faire, One Medical, OMERS, Goldman Sachs, and more. High ownership: Join early, ship fast, and help shape the product, team, and culture from the ground up. Competitive compensation + meaningful early‑stage equity Role Overview As a Senior Backend Engineer at Cambio, you will play a critical role in architecting and developing the backbone of our software platform. Your mission will be to build robust, scalable, and maintainable backend systems that power our decarbonization platform. Collaborating closely with our engineering, product, and design teams, you will transform technical requirements and design into reality, crafting an exceptional product experience for our users. What You Will Be Doing Crafting Technical Requirements, Design, and Test Plans to develop products that align with the vision of our product and design teams. Writing maintainable, error‑resistant software, ensuring a seamless experience for users. Leading the scaling of our production software to accommodate customer growth. Standardizing web development practices, focusing on backend technologies. Delivering products that are readable, maintainable, and adhere to Cambio's high‑quality software standards. Creating automated test suites to ensure functionality and prevent regression. Contributing to Cambio's software framework, enhancing our platform, and tools to maintain and improve product quality. Qualifications 5+ years of experience as a Backend Engineer, with strong proficiency in Python Proven experience building backend systems, using frameworks such as Django or similar Demonstrated ability to propose multiple solutions, evaluate technical trade‑offs, and identify the most effective approach Strong collaboration and communication skills, with a track record of working closely with cross‑functional stakeholders Experience working at a startup environment (Series A or similar) is preferred, but not required Our Tech Stack Infra: AWS, Fargate, Redis, PostgreSQL, SQS, CDK, GitHub, retool Backend: Django REST framework, Celery Frontend: Next.js, Tailwind CSS LLM: AWS Bedrock, OpenAI, Claude Logistics Work Authorization: Authorization to work in the country where the job is located is required. Location: This is a hybrid role, requiring 2–3 days per week of in‑person collaboration. Seniority level: Mid‑Senior level Employment type: Full‑time Job function: Engineering and Information Technology Referrals increase your chances of interviewing at Cambio by 2x. Get notified about new Back End Developer jobs in Waterloo, Ontario, Canada. If you thrive on creating well‑crafted products and systems that have a disproportionate impact on the real estate industry’s path to net zero, we invite you to join our team. Apply now to embark on this journey with us. #J-18808-Ljbffr