AI Engineer
ONEBYZERO PTE. LTD.
Job Summary
You will develop and deploy AI/ML solutions focusing on Amazon Bedrock knowledge bases, skill marketplaces, and Microsoft Exchange integration, while supporting backend development and cloud infrastructure to enhance system observability, security, and cost management.
Responsibilities
- Design and implement document ingestion pipelines, vector indexing, and retrieval-augmented generation (RAG) tuning for Amazon Bedrock knowledge bases to optimize AI/ML model performance
- Develop and validate skill packaging and integrate AgentCore gateway with version control to enhance skills marketplace functionality
- Integrate Microsoft Exchange connector using Graph API and OAuth, managing draft-review-send workflows with human-in-the-loop patterns to improve communication processes
- Deploy AI/ML applications to ECS and AgentCore runtime environments ensuring reliable operation
- Aggregate APIs and shape responses in the backend-for-frontend (BFF) layer to streamline data delivery
- Implement authentication and session management using federated Active Directory and OAuth token exchange to secure user access
- Manage access control at agent, skill, and knowledge base levels using IAM policies, resource-level permissions, and sharing workflows to enforce security
- Monitor agent and large language model (LLM) performance using CloudWatch dashboards and Bedrock model invocation metrics to maintain system health
- Track costs and allocate billing through resource tagging and Cost Explorer reporting by user and department to optimize budget management
- Maintain audit logs for permission changes, agent/skill access, and knowledge base activity to ensure compliance and traceability
- Provision cloud infrastructure using Infrastructure as Code tools such as CloudFormation and CDK to automate environment setup
- Manage multi-environment deployments and go-live processes using CI/CD pipelines, runbooks, and scaling policies to ensure smooth releases
Preferred competencies and qualifications
- Experience in backend or application development focusing on API aggregation and authentication mechanisms
- Familiarity with DevOps practices including observability, cost tracking, audit logging, and infrastructure automation