Member Of Technical Staff (Model Training)

TL;DR

Member Of Technical Staff (Model Training) (AI Engineering): Design, build, and scale post-training pipelines to transform large language models into brand-fluent, production-ready AI assistants with an accent on fine-tuning, preference optimization, and pipeline automation. Focus on developing scalable training workflows, experimenting with alignment techniques, and improving model reliability and cost efficiency.

Location: Onsite in Palo Alto, CA, USA

Salary: $175,000 – $350,000 USD per year

Company

hirify.global is a company focused on building human-centered AI models that combine emotional and raw intelligence to create trusted AI agents for individuals and enterprises.

What you will do

• Contribute to end-to-end post-training workflows including dataset curation, hyper-parameter search, evaluation, and rollout.
• Prototype and compare alignment techniques and push the best into production.
• Automate training pipelines to ensure reproducibility and ease of experimentation.
• Define key metrics, run A/B tests, and iterate to meet quality targets.
• Collaborate with inference, safety, and product teams to improve customer-facing systems.

Requirements

• Location: Must be onsite in Palo Alto, CA, USA
• Hands-on experience training and fine-tuning large transformer models on multi-GPU/multi-node clusters.
• Fluency in PyTorch and ecosystem tools like Torchtune, FSDP, DeepSpeed.
• Experience with RLHF, DPO, GRPO, or RLAIF techniques.
• Bachelor’s degree or equivalent in a related field.
• Strong communication skills with technical and non-technical teams.

Culture & Benefits

• Diverse medical, dental, and vision options.
• 401k matching program.
• Unlimited paid time off.
• Parental leave and flexibility for parents and caregivers.
• Support for country-specific visa needs for international employees living in the Bay Area.