Senior Fullstack Engineer About UsScaler is a sustainability data platform built for the real estate industry. We give real estate managers and investors the data they need to protect asset value, meet reporting obligations, and reduce long-term risk. The roleWe're looking for a senior fullstack engineer that will implement new products and features end to end. You'll design and build across the full stack, work closely with product and design to turn complex data into tools clients use daily, and contribute to the code review standards and architecture decisions that keep the codebase healthy as the team grows. This is a role for someone who wants to shape how the product develops, not just execute a backlog.What you'll doDesign and ship full-stack features across a data-intensive platform used by real estate investment teamsBuild and maintain features that put LLMs to work in production, including RAG pipelines, LLM integrations, guardrails, and evaluation frameworksLead architectural decisions for backend systems built to handle continued growth in data volume and client loadSet engineering standards across code reviews, testing, monitoring, and observabilityWhat you'll bringMinimum 6 years of fullstack engineering experience with a track record of shipping production systemsDeep experience in Python and JavaScript/TypeScript with strong command of CSSProduction experience with LLM integration, including prompt engineering, RAG pipelines, function calling, evals, or guardrailsExperience with one or more: FastAPI, Laravel, Vue.js, Tailwind CSS, EChartsProven ability to work with large, complex datasets and build systems that surface them clearlyExperience with web metrics, monitoring, and observability toolingStrong fundamentals in data structures and algorithms, applied to real engineering constraintsWorks well in a small, fast-moving team and owns outcomes, not just ticketsOur tech stackFront-end: Vue.js, Pinia, Vite, Tailwind CSS, EChartsBack-end: Laravel, Python, FastAPIInfrastructure: AWS, Kafka, Redis, Postgres, Nginx, Envoyer, DockerTools: Sentry, Linear, GitHub, NotionBenefits25 paid vacation days per yearEquity package giving you real ownership in the company and alignment with our long-term growthWe offer a hybrid work policy: 2 days working from home and 3 days in-office each weekFour months parental leaveAnnual personal development budgetWhy Scaler?When you join Scaler, you will collaborate with a team of curious, sharp, supportive, and genuinely enthusiastic individuals about Scaler's product and unique value. Our people are committed to making a positive impact on our customers' journey to achieving absolute zero carbon.At Scaler, we’re committed to building a workplace where everyone belongs. Employment opportunities are open to all, regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, veteran status, or any other characteristic protected by law