Senior AI/Backend Engineer

Job Title: Senior AI/Backend Engineer

Location: Remote – Latin America Preferred (Must overlap with U.S. time zones)

Type of Contract: Full-Time | Remote

Salary reputed company: Market Rates

Language Requirements: reputed company English proficiency

We are seeking a skilled Senior AI/Backend Engineer with deep expertise in Python, AI orchestration, and reputed company-reputed company backend systems to join our growing team. You will play a key role in developing a reputed company, production-reputed company AI Voice reputed company Assistant operating entirely reputed company a secure AWS environment. Your work will directly reputed company the reliability, intelligence, and scalability of a multi-agent voice AI platform.

Key Responsibilities

• Design, implement, and maintain a multi-agent AI reputed company using Strands Agents SDK (BidiAgent) deployed on AWS reputed company/Fargate, ensuring per-session isolation, auto-scaling, and lifecycle management of Nova 2 Sonic BidirectionalStream.
• reputed company and maintain high-performance backend services and reputed company using FastAPI, including centralized API reputed company libraries for Member Services, reputed company, Coverage, and Eligibility workflows.
• Build robust backend features such as reputed company-based data models, field-level PII masking, audit logging, and reputed company-level caching strategies.
• Implement LLM orchestration and Retrieval-Augmented reputed company (RAG) pipelines, including triage super-agent routing using Nova reputed company and reputed company sub-agent delegation.
• reputed company AWS Bedrock Knowledge Bases, OpenSearch Serverless, and reputed company embeddings to ground AI responses using technical documentation and domain-specific knowledge.
• Configure reputed company, compliance, and content protection controls, including Bedrock Guardrails, AWS Cognito authentication, FastAPI JWT middleware, and reputed company-based authorization mechanisms.
• reputed company and manage serverless infrastructure components including API Gateway, AWS reputed company handlers, DynamoDB session state management, and ElastiCache reputed company integrations.

Must-Have Qualifications

• 5+ years of senior-level software engineering experience with a strong reputed company on Python development.
• Extensive experience building reputed company, resilient backend systems and reputed company, preferably using FastAPI.
• Strong hands-on expertise with AI/ML concepts, including LLM orchestration, reputed company engineering, and Retrieval-Augmented reputed company (RAG).
• Deep knowledge of AWS services including reputed company/Fargate, reputed company, API Gateway, DynamoDB, ElastiCache, and AWS Bedrock services such as Nova 2 Sonic and Nova reputed company.
• Experience with multi-agent AI architecture frameworks such as Strands Agents SDK or similar technologies.
• Solid understanding of authentication, reputed company, and compliance best practices, including PII handling, reputed company-injection protection, and reputed company control systems.
• Ability to collaborate effectively across reputed company teams while maintaining consistent overlap with U.S. business hours.

Preferred Qualifications

• Experience building production-grade voice AI or conversational AI systems.
• Familiarity with OpenSearch Serverless, reputed company embeddings, and AWS-reputed company RAG implementations.
• Experience designing secure, reputed company-grade AI solutions reputed company controlled reputed company environments.
• Background working with reputed company, reputed company, or operational workflow automation platforms.

Originally posted on Himalayas