[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.
Responsibilities
- Build 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 systems
- Contribute to frontend features and ensure smooth integration across the stack
- Write clean, maintainable, and well-tested code with strong unit testing practices
- Support 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 retries
- Develop RESTful APIs and support the BE architecture
- Integrate with third-party services and internal systems, including AI-driven platforms
- Assist in optimizing performance and scalability of services using DynamoDB single-table design patterns (composite keys, transactional writes)
- Implement secure and reliable data handling practices
- Troubleshoot issues in production environments with guidance from senior team members
- Contribute to logging, monitoring, and debugging efforts
- Support deployment and release processes in cloud-native environments (AWS, Docker)
- Work closely with cross-functional teams across global locations
- Participate in code reviews and team discussions
- Take ownership of assigned features and tasks, delivering end-to-end solutions
- Continue developing technical skills and leveraging AI-assisted development tools (e.g., Claude Code)
Skills
- 6+ years of professional software engineering
- Strong experience with Python and Node.js
- Experience with LLM function/tool calling, prompt engineering, multi-agent orchestration, vector databases (OpenSearch), embeddings, streaming LLM responses, RAG concepts
- Experience working with AWS cloud environments, including Lambda, DynamoDB (and Single-Table design), S3, SQS, EventBridge, Step Functions, etc
- Experience building and maintaining fullstack applications
- Exposure to workflow orchestration tools (e.g., Sequencer or similar systems)
- Solid understanding of API design and backend systems
- Familiarity with databases (SQL and/or NoSQL, including scalable design patterns)
- Experience working in production environments
- Strong unit testing practices and maintainable test strategies
- Experience with containerization (e.g., Docker)
- Demonstrated ability to reason about system-wide impacts of changes, including downstream effects across services and data layers
- Demonstrated ability to identify design gaps in requirements and raise them before they reach development
- Experience with Langfuse, synthetic AI testing, token cost optimization, reasoning effort configuration, Step Functions for AI workflows
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