Senior AI Engineer (Agentic AI)

Visa Hunt; Philippines; On-site; PHP 1,800,000 - 3,200,000; Full time

Job summary

Himalayas is seeking a Senior AI Engineer to lead the design and deployment of autonomous agent systems. You will build robust backends, orchestrate tool-calling logic, and manage retrieval architectures to deliver production-grade AI applications within an enterprise setting.

The role requires expertise in C# and/or Python, hands-on LLM experience, and a strong focus on security, governance, and observability in cloud environments such as Azure.

Qualifications

• 4+ years in backend or service-based architectures using C# and/or Python.
• At least 1 year of production experience with LLMs or agentic AI systems.
• Strong debugging across distributed APIs and asynchronous data flows.

Responsibilities

• Design and test multi-step agent workflows using recognised patterns.
• Integrate LLMs (Anthropic Claude / OpenAI) with enterprise APIs.
• Implement tool calling, orchestration pipelines, and failure resilience.
• Develop human-in-the-loop validation and escalation mechanisms.
• Build memory and retrieval architectures using vector databases and RAG.
• Manage prompt logic, semantic routing, and documentation.
• Deploy AI services in production with monitoring and observability.
• Ensure security, governance, and compliance in deployments.
• Collaborate with QA and operations to improve tests and runbooks.

Skills

C# / Python

LLM experience

Analytical reasoning

Tools

Azure AI Foundry

LangGraph

LangChain

Pinecone

Azure Cosmos DB

SQL Server

RESTful APIs

Job description

Our client, a leading enterprise enterprise, is seeking a Senior AI Engineer specializing in Agentic Workflows and LLM Integration. This specialized engineering role sits at the cutting edge of AI innovation, commanding an organization-wide mandate to design, deploy, and own multi-step autonomous agent systems. The successful candidate will build robust backend infrastructures, orchestrate tool-calling logic, and manage advanced retrieval architectures to deliver resilient, production-grade AI applications within an enterprise framework.

Key Accountabilities

AI Architecture & Agent Workflow Engineering

• Agent Execution Patterns: Design, build, and test highly complex, multi-step agent workflows utilizing established advanced architectural design patterns such as ReAct, planner-executor, and complex tool-chaining.
• LLM Core Integration: Integrate flagship Large Language Models (including Anthropic Claude and OpenAI) with legacy enterprise APIs and internal microservices, engineering robust fault tolerance for retries, edge cases, and degraded ecosystem states.
• Orchestration & Failure Resilience: Implement programmatic tool calling, function orchestration pipelines, and automated compensating actions to guarantee agent workflows remain stable under catastrophic or unexpected third-party failure conditions.
• Human-in-the-Loop Controls: Architect and deploy conditional human-in-the-loop validation frameworks, including automated executive approvals, smart escalations, and exception-handling logic mandated by business governance or risk considerations.

Data Engineering, Prompts & Retrieval (RAG)

• Context & Memory Architecture: Build and manage advanced agent memory retention layers and data retrieval mechanisms utilizing vector databases and Retrieval-Augmented Generation (RAG), tuning indexing schemas to ensure relevant context.
• Prompt Management: Develop, maintain, optimize, and version-control complex prompt logic, semantic routing rules, and supporting technical documentation in accordance with strict enterprise engineering standards.

Production Deployment, Security & Observability

• Cloud Operations: Deploy mission-critical AI services into production cloud environments, actively monitoring logs, distributed traces, and telemetry metrics to rapidly isolate and patch behavioral anomalies.
• Enterprise Governance: Ensure all deployed solutions strictly mirror enterprise-grade security controls, identity management requirements, and rigorous data governance protocols.
• Reliability Engineering: Partner with QA and Core Operations teams to continually upgrade automated test coverage, build out operational runbooks, establish incident response protocols, and drive system performance optimizations.

Requirements

Education & Experience

• Technical Tenure: Minimum of 4 years of hands-on experience developing backend or service-based software architectures using C# and/or Python.
• AI Specialization: At least 1 year of production-level experience working directly with large language models, structured prompt engineering frameworks, or agentic AI-enabled systems.
• Analytical Reasoning: Elite debugging skills with a proven capacity to reason across distributed APIs, asynchronous data flows, and non-deterministic AI system behaviors.

Technical Skills (Required)

• Programming Ecosystems: Production-grade fluency in C# and/or Python, including async workflow patterns, service building, and automated test frameworks.
• Cloud Platform: Microsoft Azure (encompassing compute, scalable storage, IAM identity models, and automated deployment pipelines).
• LLM Integration & Tooling: Direct integration with Claude and/or OpenAI APIs (handling tool calling, prompt tokenization, rate limit mitigation, and state error handling).
• Agent Orchestration Frameworks: Experience using Azure AI Foundry or Microsoft Agent Framework. Hands-on knowledge of LangGraph or LangChain is highly valued.
• Vector Architectures: Experience with Pinecone or equivalent vector databases (handling structural indexing, query retrieval, and semantic relevance tuning).
• APIs & Identity: RESTful API design, enterprise-grade service authentication, and secure service-to-service integrations.
• Observability Suites: Distributed application logging, performance metrics tracking, and transaction tracing in production scales.

Preferred Qualifications (Desirable)

• Containerization deployments utilizing Docker and Azure Container Services (AKS/ACA).
• Experience architecting relational databases (SQL Server) and NoSQL document stores (Azure Cosmos DB).
• Prior experience operating within highly regulated, compliance-driven, or audit-heavy corporate environments.
• Foundational understanding of emerging AI Governance and AI Security (OWASP Top 10 for LLMs) paradigms.

Originally posted on Himalayas