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Build the backend infrastructure behind an AI-native productivity platform.We're hiring on behalf of A1, an AI product team building the next generation of intelligent productivity applications. Their mission is simple: replace repetitive digital work with AI that can reliably complete real tasks on behalf of users.Rather than building another chatbot, the team is creating long-running AI workflows that manage conversations, coordinate actions, maintain context, and interact with external services—all with minimal user input.As a Backend Engineer, you'll build the systems that make those experiences possible.What you'll doYou'll own the backend services that power AI interactions in production, ensuring they remain fast, reliable, and scalable as the platform grows.Your responsibilities will include:Designing and building backend services for AI-powered product featuresDeveloping inference pipelines and orchestration layers around LLMsCreating reliable APIs used by web, desktop, and mobile applicationsOptimizing latency, throughput, caching, batching, and streamingBuilding monitoring, logging, alerting, and observability across production servicesDebugging distributed systems and improving platform reliabilityWorking closely with product, infrastructure, and AI engineers to continuously improve performanceWe're looking for someone who hasStrong backend engineering experience in production environmentsExperience building high-throughput, low-latency distributed systemsExcellent Python skills (Node.js is a plus)Hands-on experience deploying and operating services on Kubernetes and DockerExperience with SQL and NoSQL databasesFamiliarity with modern AI infrastructure, including LLM inference, embeddings, or multimodal modelsA pragmatic engineering mindset focused on shipping reliable softwareNice to haveExperience with OpenAI, Anthropic, or open-source LLMsExperience building AI orchestration or agent workflowsKnowledge of inference optimization techniquesExperience operating AI services at scaleTech stackPythonNode.jsPyTorchOpenAI, Anthropic, open-source LLMsSQL & NoSQLKubernetesDockerWhy this role is interestingThis isn't a traditional backend position.You'll be working on the infrastructure layer that connects cutting-edge AI models with real users. Your work will directly impact how quickly, reliably, and intelligently the product behaves in production.If you enjoy solving problems around distributed systems, AI infrastructure, performance, and reliability—and want to build technology used by millions of people—this is an opportunity to work on one of the most technically challenging parts of an AI-native product.
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