Senior AI Engineer: End-to-End LLM Apps & Production Systems

arosplatforms | AI Consulting & Services; North Township (IN); On-site; USD 120,000 - 170,000; Full time

Job summary

arosplatforms | AI Consulting & Services in Indiana is seeking a senior software engineer to own AI features end to end, from evaluation harness to production in a client’s cloud. You will build copilots, agents, and RAG systems for regulated industries, emphasizing correctness, observability, and graceful failure.

This hands-on role on a small team requires writing the hard parts yourself, setting patterns others follow, and staying close to decisions that determine whether a build ships.

Qualifications

• 5+ years building production software with LLM/ML applications.
• Strong Python and TypeScript across the full AI system stack.
• Experience with evaluation, retrieval, and failure modes of LLM systems.

Responsibilities

• Architect and build LLM applications: agents, tool use, retrieval, and evaluation pipelines.
• Stand up evals and observability so quality is measured continuously, not guessed at.
• Harden systems for production: latency, cost, prompt-injection, data leakage, and fallbacks.
• Integrate with client data and existing systems without breaking controls.
• Set engineering patterns and review work across the team.

Skills

Python

TypeScript

LLM/ML development

Full stack

Evaluation

Communication

Job description

arosplatforms | AI Consulting & Services in Indiana is seeking a senior software engineer to own AI features end to end, from evaluation harness to production in a client’s cloud. You will build copilots, agents, and RAG systems for regulated industries, emphasizing correctness, observability, and graceful failure.

This hands-on role on a small team requires writing the hard parts yourself, setting patterns others follow, and staying close to decisions that determine whether a build ships.