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SnapCode Inc
AI Application/GenAI Engineer

AI Application/GenAI Engineer

Hybrid

Pleasanton, United states

Freelance

18-10-2025

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Skills

Python Test A/B Testing Architecture Langchain NLP

Job Specifications

Title: AI Application/GenAI Engineer

Location: Pleasanton, California (hybrid work)

Technical Overview

We're seeking a highly skilled AI Application Engineer to lead the architecture and execution of advanced LLM-driven systems, including prompt engineering pipelines, evaluation frameworks, RAG workflows, and LangChain-based orchestration. In this role, you'll design and test prompts for style, tone, and accuracy, implement rigorous A/B and statistical evaluation frameworks, and deploy LLM-powered features into production.

Core Responsibilities

You'll work cross-functionally with ML engineers, product managers, and backend teams to deliver scalable, prompt-driven solutions for enterprise applications.
Responsibilities include building retrieval-augmented generation (RAG) pipeline, developing prompt evaluation systems using PromptEval or similar tools, and orchestrating LLM workflows with LangChain.
This role demands a blend of deep prompt engineering expertise, practical Python development skills, and a strong analytical mindset to optimize prompt performance and user experience in real-world systems.

Required Expertise

3 - 6 years in AI/ML, NLP or GenAI roles.
Advanced knowledge of prompt engineering strategies and heuristics.
Proficient with LangChain (or similar), Python and API development.
Solid experience building RAG pipelines with vector DBs.
Strong analytical mindset with an A/B testing and evaluation-driven approach.

About the Company

Introduction Snapcode Inc., a US-based IT staffing firm, provides specialized technology professionals to businesses seeking their expertise. The company's mission is to connect talented individuals in the IT sector with organizations that are striving to achieve their business objectives. Core Services Snapcode Inc provides a range of staffing solutions tailored to the diverse needs of its clients: * Contract Staffing: Temporary placements to fill short-term roles for project-specific needs. * Permanent Staffing: Recruitmen... Know more