Sr. Software Engineer, AI

IntoneCCM; United States; Remote; USD 140,000 - 190,000; Full time

Job summary

Intone Inc. is seeking a Senior Software Engineer specializing in AI systems for a 12-month remote contract in the United States.

You will apply extensive software engineering expertise to build and refine AI-powered systems leveraging large language models for enterprise solutions. Responsibilities include integrating with modern LLM APIs, designing agentic systems with memory and orchestration, and building retrieval-augmented generation pipelines.

Qualifications

• 5+ years of software engineering experience.
• 2+ years of AI engineering or enterprise AI solution delivery experience.
• Hands-on experience building against modern LLM APIs (e.g., OpenAI, Anthropic, Azure OpenAI, Google).
• Experience building agentic systems with frameworks such as LangChain, LlamaIndex, Semantic Kernel, or Microsoft Agent Framework.
• Proficiency in Python, including async patterns, API clients, data processing, and testing.
• Experience with RAG architectures, vector stores, embedding pipelines, and retrieval strategies.
• Ability to write clean, maintainable production-grade code with test coverage.

Responsibilities

• Build and integrate applications against modern LLM APIs, including completions, embeddings, tool/function calling, and structured outputs
• Design and implement agentic systems with tool use, memory management, and orchestration capabilities
• Architect and optimize retrieval-augmented generation (RAG) systems, including vector store integration, embedding pipelines, and retrieval strategies
• Write clean, maintainable, production-grade code with comprehensive test coverage
• Mentor and collaborate effectively with distributed team members

Skills

Software engineering

AI engineering

LLM APIs

LangChain

LlamaIndex

Semantic Kernel

Microsoft Agent Framework

Python

Async programming

Testing

RAG

Vector stores

Embedding pipelines

Retrieval strategies

Code quality

Tools

OpenAI API

Anthropic API

Azure OpenAI

Google AI APIs

Job description

We are seeking a Senior Software Engineer with expertise in AI systems for a 12-month contract role based remotely in the United States. You will apply deep software engineering experience alongside specialized knowledge of large language models and enterprise AI solution delivery to build and refine AI-powered systems.

Responsibilities

• Build and integrate applications against modern LLM APIs, including completions, embeddings, tool/function calling, and structured outputs
• Design and implement agentic systems with tool use, memory management, and orchestration capabilities
• Architect and optimize retrieval-augmented generation (RAG) systems, including vector store integration, embedding pipelines, and retrieval strategies
• Write clean, maintainable, production-grade code with comprehensive test coverage
• Mentor and collaborate effectively with distributed team members

Qualifications

• Required
  • 5+ years of software engineering experience
  • 2+ years of AI engineering or enterprise AI solution delivery experience
  • Hands-on experience building against modern LLM APIs (e.g., "OpenAI", "Anthropic", "Azure OpenAI", "Google")
  • Experience building agentic systems with one or more frameworks such as LangChain, LlamaIndex, Semantic Kernel, Microsoft Agent Framework, or equivalent patterns
  • Proficiency in Python, including async patterns, API clients, data processing, and testing
  • Experience with RAG architectures, vector stores, embedding pipelines, and retrieval strategies
  • Ability to write clean, maintainable, production-grade code with test coverage
• Preferred
  • Demonstrated ability to mentor and collaborate effectively in a distributed team environment