Applied AI Engineer (Gen AI)

TL;DR

Applied AI Engineer (Gen AI): Designing, building, and deploying advanced generative AI systems for code review and developer productivity tools with an accent on RAG, RLHF, and multi-step agentic reasoning. Focus on optimizing LLM-based systems, developing retrieval pipelines, and integrating AI into production-grade developer workflows.

Location: Hybrid (San Francisco, USA)

Salary: $175,000 – $275,000 + Equity

Company

hirify.global is an R&D company creating the next generation of Gen AI-driven code reviewers to enhance human-machine collaboration in software development.

What you will do

• Design and optimize LLM-based systems for high-quality, context-rich code reviews.
• Build and refine agentic workflows that utilize multi-step reasoning across various contexts.
• Develop knowledge base and retrieval pipelines, including chunking, embeddings, and semantic search.
• Deploy generative AI models and pipelines into production and monitor their performance.
• Apply RLHF, ranking, and reward modeling techniques to iteratively improve response quality.
• Collaborate with product and engineering teams to align AI outputs with user needs.

Requirements

• Must be based in or able to work hybrid in San Francisco, USA.
• Degree in Computer Science, AI, or equivalent practical experience.
• 3+ years of experience applying ML or LLM-based systems in real-world production.
• At least 2 years of industry experience specifically focused on generative AI.
• Strong programming proficiency in TypeScript and Python.
• Experience with LangChain, LlamaIndex, OpenAI APIs, or vector databases (e.g., Pinecone, Lancedb).

Nice to have

• Experience optimizing RAG systems and tuning retrieval performance.
• Hands-on experience with RLHF pipelines and behavioral policy tuning in LLMs.
• Experience integrating LLM systems into developer tools or collaborative workflows.
• Track record of contributions to open-source projects or AI/ML publications.

Culture & Benefits

• Opportunity to shape a new development paradigm with cutting-edge Gen AI technology.
• High level of ownership, managing projects end-to-end from proposal to production.
• Collaborative and innovative environment within a tight-knit team.
• Investment in professional growth through mentorship and development opportunities.
• Competitive compensation package including salary and equity.
• Hybrid work culture combining weekly in-person collaboration with remote flexibility.