Member of Technical Staff - Machine Learning Research Engineer, Post-Training Join to apply for the Member of Technical Staff - Machine Learning Research Engineer, Post-Training role at Liquid AI Member of Technical Staff - Machine Learning Research Engineer, Post-Training 1 month ago Be among the first 25 applicants Join to apply for the Member of Technical Staff - Machine Learning Research Engineer, Post-Training role at Liquid AI Get AI-powered advice on this job and more exclusive features. Liquid AI, an MIT spin-off, is a foundation model company headquartered in Boston, Massachusetts. Our mission is to build capable and efficient general-purpose AI systems at every scale.

Is this the next step in your career Find out if you are the right candidate by reading through the complete overview below.

Our goal at Liquid is to build the most capable AI systems to solve problems at every scale, such that users can build, access, and control their AI solutions. This is to ensure that AI will get meaningfully, reliably and efficiently integrated at all enterprises. Long term, Liquid will create and deploy frontier-AI-powered solutions that are available to everyone.

We are seeking a Post-Training ML Researcher to join our team. This is a hands-on, technical role that will focus on refining, evaluating, and improving our foundation models for both general-purpose and specialized use cases. Your work will primarily center on enhancing model capabilities through post-training techniques and high-quality data engineering.

What You'll Actually Do

Fine-tune both general-purpose and specialized models to align with specific use-case requirements Design post-training datasets and develop rigorous evaluation frameworks to target and quantify model improvements Participate in post-training research discussions and collaborate with cross-functional teams to translate novel ideas into practice

What Makes You Stand Out

Hands-on experience in model fine-tuning, particularly with direct alignment and reinforcement learning techniques Expertise in generating, curating, and evaluating high-quality post-training data to effectively target model capabilities and limitations Strong understanding of technical challenges in post-training optimization, including hallucination mitigation, reasoning improvement, and safety guardrail enhancement Proven ability to publish research, models, or novel techniques in post-training optimization Experience in developing both general-purpose and specialized domain models Successful track record of building automated pipelines for continuous model evaluation and improvement

What You'll Get

Advance the state-of-the-art in model post-training techniques Gain experience working on cutting-edge AI systems that push the boundaries of LFM performance Become an expert in the entire post-training lifecycle from data generation to evaluation

Seniority level Seniority levelNot Applicable Employment type Employment typeFull-time Job function Job functionEngineering and Information Technology IndustriesSoftware Development Referrals increase your chances of interviewing at Liquid AI by 2x Sign in to set job alerts for “Member of Technical Staff” roles. Boston, MA $99,255.00-$148,882.00 2 weeks ago Burlington, MA $70,000.00-$115,000.00 1 day ago Boston, MA $65,000.00-$78,000.00 3 weeks ago Senior Associate Director of Gift PlanningSenior Medical Lab Scientist, Microbiology -Dayshift Boston, MA $116,714.00-$143,440.00 2 days ago Senior Medical Lab Scientist, Hematology - DayshiftSenior Medical Lab Scientist, Chemistry - Dayshift Boston, MA $145,000.00-$200,000.00 3 weeks ago Member of Technical Staff - Machine Learning Engineer, Training InfrastructureMember of Technical Staff - Applied Machine Learning EngineerMember of Technical Staff - Machine Learning Research Engineer; Multi-Modal - VisionMember of Technical Staff - Applied Machine Learning LeadMember of Technical Staff - Applied Machine Learning ScientistMember of Technical Staff - Machine Learning Engineer; VLM DataMember of Technical Staff - Edge AI Inference EngineerMember of Technical Staff - Machine Learning Engineer, Inference (Pytorch) Boston, MA $115,000.00-$230,000.00 6 days ago System Administrator (Robotics / IoT / Networks) Burlington, MA $94,200.00-$223,500.00 1 week ago Maintenance Technician - Pay up to $30/hrPrincipal Member of Technical Staff - Java, Block Storage Control Plane Burlington, MA $96,800.00-$223,400.00 1 week ago We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI.

#J-18808-Ljbffr