Staff AI Engineer

About the Position

We are seeking a Staff AI Engineer with 6+ years of experience to join our team in Newark, NJ, focusing on developing and delivering complex AI-native platforms. At Robots & Pencils, we build meaningful, scalable digital products that solve real business problems. This role is ideal for an experienced engineer who thrives in hands-on development, can confidently own features and deployments, and contributes to team leadership within a pod.

Responsibilities

• Development

  • 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

• Workflow & System Orchestration

  • 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

• Backend & API Engineering

  • 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

• System Reliability & Support

  • 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)

• Collaboration & Growth

  • 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)

Requirements

• 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)

Nice to Have

• 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

We Offer

• Competitive salary
• Opportunity to work in a dynamic and innovative environment
• Advanced AWS Partnership and AWS Patterns Partnership

About the Company

At Robots & Pencils, we build meaningful, scalable digital products that solve real business problems. By joining us, you leverage our Advanced AWS Partnership and the highly exclusive AWS Patterns Partnership, a distinction held by only 11 companies worldwide out of 190,000.