[Remote] Staff AI Engineer

Note: The job is a remote job and is open to candidates in USA. Robots & Pencils is a company that builds meaningful, scalable digital products to solve real business problems. They are seeking a Staff AI Engineer to support the development and delivery of complex, integration-heavy platforms, contributing to both hands-on development and team leadership.ResponsibilitiesBuild and maintain backend services using Python and Node.js, including serverless architectures (e.g., AWS Lambda, API Gateway)Develop and integrate APIs that support frontend applications and external systemsContribute to frontend features and ensure smooth integration across the stackWrite clean, maintainable, and well-tested code with strong unit testing practicesSupport the development and maintenance of workflows using orchestration tools (e.g., Sequencer / workflow engines, state machines)Contribute to event-driven processes and asynchronous system operations (e.g., SQS,EventBridge)Assist in improving reliability through better error handling and retriesDevelop RESTful APIs and support the BE architectureIntegrate with third-party services and internal systems, including AI-driven platformsAssist in optimizing performance and scalability of services using DynamoDB single-table design patterns (composite keys, transactional writes)Implement secure and reliable data handling practicesTroubleshoot issues in production environments with guidance from senior team membersContribute to logging, monitoring, and debugging effortsSupport deployment and release processes in cloud-native environments (AWS, Docker)Work closely with cross-functional teams across global locationsParticipate in code reviews and team discussionsTake ownership of assigned features and tasks, delivering end-to-end solutionsContinue developing technical skills and leveraging AI-assisted development tools (e.g., Claude Code)Skills6+ years of professional software engineeringStrong experience with Python and Node.jsExperience with LLM function/tool calling, prompt engineering, multi-agent orchestration, vector databases (OpenSearch), embeddings, streaming LLM responses, RAG conceptsExperience working with AWS cloud environments, including Lambda, DynamoDB (and Single-Table design), S3, SQS, EventBridge, Step Functions, etcExperience building and maintaining fullstack applicationsExposure to workflow orchestration tools (e.g., Sequencer or similar systems)Solid understanding of API design and backend systemsFamiliarity with databases (SQL and/or NoSQL, including scalable design patterns)Experience working in production environmentsStrong unit testing practices and maintainable test strategiesExperience with containerization (e.g., Docker)Demonstrated ability to reason about system-wide impacts of changes, including downstream effects across services and data layersDemonstrated ability to identify design gaps in requirements and raise them before they reach developmentExperience with Langfuse, synthetic AI testing, token cost optimization, reasoning effort configuration, Step Functions for AI workflowsCompany OverviewAn Applied AI Engineering Partner building AI systems designed for enterprise velocity and measurable business impact. It was founded in 2009, and is headquartered in Calgary, Alberta, CAN, with a workforce of 51-200 employees. Its website is https://robotsandpencils.com/.Company H1B SponsorshipRobots & Pencils has a track record of offering H1B sponsorships, with 1 in 2025, 1 in 2022, 1 in 2021. Please note that this does not guarantee sponsorship for this specific role.