Principal ML Engineer

Summary

Join TIFIN as a Principal ML Engineer and lead AI efforts for a product line, focusing on generative AI products using LLMs. You will be a technical leader, owning the AI strategy and collaborating with product and software engineering teams. Responsibilities include zero-to-one product development, building agentic workflow systems, and fine-tuning LLMs for various tasks. You'll need 7+ years of applied AI engineering experience, including 2+ years as a technical leader, and experience shipping generative AI products. The role offers a competitive compensation package ($200,000-$250,000 USD) including equity, comprehensive health benefits, retirement benefits, and flexible PTO.

Requirements

• 7+ years of experience (post-MS/Ph.D) in applied AI engineering, including 2+ years as a technical leader
• Experience shipping generative AI products powered by LLMs: designing and implementing agentic workflows that enable autonomous AI behaviors, leveraging the latest state-of-the-art research

Responsibilities

• Define and drive the AI strategy that drives TIFIN’s innovation and growth
• Collaborate with product team and software engineering team to build end-to-end product systems
• Zero-to-one product development: rapidly prototype, evaluate, integrate, and test new product features in collaboration with product and engineering teams
• Develop and integrate agentic workflow systems that empower AI agents to operate autonomously, enabling proactive decision-making and dynamic interactions
• Design and fine-tune open source and proprietary LLMs for various tasks such as answering questions, summarization, reasoning and planning, etc
• Apply reinforcement learning techniques—including reinforcement learning fine tuning (e.g., PPO, DPO, GRPO)—to continuously optimize model performance

Preferred Qualifications

Resilience and adaptability - experience working at early-stage startups or building 0-1 is a plus

Benefits

• Comprehensive health, dental and vision coverage
• Retirement benefits
• Flexible PTO