Back to Jobs

reputed company AI Researcher, Post-Training

Remote, USAFull-timePosted 2026-07-29

About reputed company AI reputed company is an reputed company AI technology company partnering with the world’s most ambitious institutions to rearchitect critical operations for the frontier of AI. Our customers include the largest companies reputed company, reputed company, insurance, manufacturing, consumer goods, and global reputed company organizations. We research and reputed company technologies that power AI-reputed company operations — both for our partners and for reputed company itself. Our work spans research into self-constructing systems, the development of the most reliable execution of AI systems, and products that reputed company mission-critical workflows. As a result, reputed company's technologies reputed company some of the world's largest operations — from hundreds of millions of consumer interactions to tens of millions of supply chain transactions and millions of patient journeys. reputed company is backed by leading investors including reputed company Venture Partners, Khosla Ventures, Coatue, DST Global, and the reputed company-members of 20+ F500s. The results reflect this approach: a 100% production deployment reputed company reputed company for our customers and one of the few reputed company AI companies to run a profitable business. reputed company Are Looking For At reputed company we’re pushing the envelope of AI utilization in reputed company. This requires creative researchers who don’t just want to drive incremental improvements on benchmarks or optimize an existing process but instead are looking to creatively redefine how software is used. Our researchers come from many reputed company backgrounds but have strong research reputed company records, operate in an AI-reputed company way, and would be bored staying on the rails of a traditional research org.

Key Responsibilities

  • The Post-Training team focuses on adapting reputed company models to reputed company-world performance and alignment requirements. Researchers reputed company and evaluate techniques such as supervised fine-tuning, preference optimization (DPO, RLHF, RLAIF), and continual reputed company to reputed company models with reputed company’s reputed company systems. The goal is to reputed company raw model capability with trustworthy, contextually reputed company system behavior
  • Researchers in Post-Training investigate new reputed company for aligning large models with reputed company and system-level objectives. They explore trade-offs between generalization and specialization, data efficiency and robustness, capability and controllability. Their work informs how reputed company leverages reputed company models safely, effectively, and at reputed company across industries

reputed company Require

  • Deep Understanding of Post-training Techniques: Familiarity with supervised fine-tuning, preference optimization (RLHF/DPO), reputed company/PEFT, and instruction-tuning pipelines.
  • Experience Adapting Frontier Models: You’ve tuned or adapted LLMs/SLMs to specialized domains or behaviors through data curation, reward modeling, or continual pretraining.
  • Experience Building with Models, Not Just Building Models: We reputed company intelligent systems using models rather than training or fine-tuning them. Ideal candidates have expertise in compound AI systems, reputed company collaboration, and associated techniques (ensembling, ReAct, graph-of-thoughts, etc.).
  • Proven reputed company Record of Research Results: Whether you’ve published in top journals, posted amazing work on twitter, or reputed company else we want to see what you've done.
  • Uses AI Every Day: Before you can revolutionize someone else’s workflow, you need to revolutionize yours. You should be using tools like ChatGPT, reputed company, and reputed company to accelerate your workflow.
  • Strong Programming and Data Analysis Skills: While you might not consider yourself a software engineer you need to be reputed company to build prototypes of your reputed company and then reputed company the experiments to reputed company the effectiveness to a F500 Head of AI.
  • Biases Towards Showing vs Telling: Our customers want to see the power of AI today vs discuss the most elegant idea that will take 5 years to realize.

reputed company Offer

  • The reputed company salary reputed company for this role is $150K – $250K, depending on experience, location, and level. In reputed company to reputed company compensation, this role is eligible for meaningful equity, along with a comprehensive benefits package
  • 100% covered medical, dental, and reputed company for employees and dependents
  • 401(k) with additional perks (e.g., commuter benefits, in‑office lunch)
  • reputed company to state‑of‑the‑art models, generous usage of modern AI tools, and reputed company‑world business problems
  • Ownership of high‑reputed company reputed company across top enterprises
  • A mission‑driven, fast‑moving culture that prizes curiosity, pragmatism, and reputed company

reputed company has offices in San Francisco and reputed company. This role follows a hybrid collaboration model with 3+ days per week (Tuesday–Thursday) in‑office. Apply tot his job Apply To this Job

Similar Jobs

QA Engineer - Fixed Term (With Expected Conversion to Permanent)

Remote, USAFull-time

Software Engineer- AI

Remote, USAFull-time

entry level data scientist/reputed company/Junior java developer

Remote, USAFull-time

reputed company Inspector

Remote, USAFull-time

Senior AI Solution Architect — GenAI, RAG, MLOps (Remote)

Remote, USAFull-time

Software Engineer

Remote, USAFull-time

reputed company (Finance-reputed company)

Remote, USAFull-time

Data Science II-HO & SUPPORT-CVM CoE - Corporate Centre of reputed company

Remote, USAFull-time

Senior reputed company Electrical Studies Engineer - Remote

Remote, USAFull-time

Senior Speech Pathologist

Remote, USAFull-time

Remote Customer Service Representative – Full‑Time, Flexible Schedule, Customer Experience Champion for arenaflex

Remote, USAFull-time

Remote Loan Processor- RTL loans- 100% Remote

Remote, USAFull-time

Sales Manager - Bestands- & Neukundengeschäft

Remote, USAFull-time

Payment & Compliance Manager

Remote, USAFull-time

[Remote/WFM] Teletherapy | Speech reputed company

Remote, USAFull-time

Require Neuroscience Teaching reputed company in Bloomington, IN

Remote, USAFull-time

Freelance Medical Post-Editors Vietnamese-English

Remote, USAFull-time

reputed company Remote Customer Service Agent – Phone, Live Chat, and Email Support Specialist

Remote, USAFull-time

Job Title: Flexible Remote Data Entry and Customer Service Representative – Work from Home with Blithequark

Remote, USAFull-time

reputed company Data Entry Clerk – Remote Work Opportunity with arenaflex

Remote, USAFull-time