Post‑Training ML Engineer: Align & Scale LLMs
Reflection AI
A forward-thinking AI company in San Francisco is seeking a Member of Technical Staff - Post‑Training to build systems that transform powerful models. The ideal candidate has a deep understanding of machine learning and strong engineering skills. The role involves collaborating with teams to enhance model capabilities and improve model behavior. This full-time position offers competitive compensation and comprehensive benefits. #J-18808-Ljbffr Reflection AI
- ...documentation platform scaling to thousands of clinicians... ...We are hiring two ML Engineers / Researchers to help build... .../audio modeling or LLMs. These are research-... ...and evaluation systems, train and fine-tune models, and... ...Fine-tune and post-train models using Knowtex...TrainingFull time
$200k - $240k
...world for all. The AI Engineering Team is chartered... ...Language Models (LLMs) and agentic... ...speed, safety, and scale. We manage petabyte... ...a Senior or Staff ML Systems Engineer -... ...workflows for model training, evaluation, and deployment... ...listed in this posting reflect the US...TrainingRemote workWorldwide- Responsibilities Design, deploy, and maintain large distributed ML training and inference clusters Develop efficient, scalable end-to-end pipelines to manage petabyte-scale datasets and model training throughout the entire ML lifecycle Research and test various training...Training
- ...seeking an Applied Machine Learning Engineer in San Francisco, CA to bridge... ...engineers to optimize, deploy, and scale models like GPT-4 and custom... ...engineering with at least 2 years in ML systems, plus deep knowledge of distributed training and modern inference engines....Training
- ...a Machine Learning Engineer to build and ship consumer... ...Build and deploy ML models that improve... ...models: scalable training/inference pipelines... ...with large-scale model training and... ...Experience applying LLMs/foundation models to... ...do you – perfectly aligning your achievements with...TrainingFull timeImmediate startWorldwideNight shift
- ...one of our first ML hires, shaping not... ...preprocessing to training, testing, and deployment... ...with product and engineering teams to integrate... ..., monitoring, and scaling in production... ...Familiarity with LLMs, generative AI, or... ...decisively, and stay aligned. We aim for high leverage...TrainingFull timeWorldwideShift work
$250k - $295k
...a scalable risk engine, our Stand World... ...in building and scaling high-growth... ...you will design, train, and deploy Stand... ...extend scalable ML infrastructure... ...cross-functional alignment, communicating decisions... ...or fine-tuning LLMs, including tool... ...workflows, or post-training methods...TrainingFull timeTemporary workH1bWork at officeRemote workVisa sponsorshipWork visaFlexible hours$225k - $275k
...ML Engineer – AI-Powered Automation & Workflow Intelligence... ...experimentation, training, evaluation, and monitoring... ...large language models (LLMs), multimodal architectures... ...engineering leaders to align machine learning... ...with tangible, enterprise‑scale impact. Join a small, high...TrainingFull time$170k - $280k
...give leaders clarity and engineers time. We help... ...looking for an Applied ML Engineer to help build... ...experimentation, and model training. You'll work closely with... ...learning for LLMs (RLHF, RLAIF, GRPO, PPO... ...Experience with large-scale distributed training, preference...TrainingOdd jobFull time- ...a Machine Learning Infrastructure Engineer to help architect the compute, training, and execution frameworks powering... ...technology enterprises, this team is scaling rapidly to solve complex... ...thousands of GPUs.Strong passion for aligning deep technical excellence with direct...TrainingFull timeWork at officeFlexible hours
$206.4k - $379.1k
...Machine Learning Engineer to serve as the... ...is not a model-training or research role... ...served at enterprise scale. You will set... ...pipelines — LLMs, diffusion and transformer... .... Director, ML Engineering and... ...leadership — to align technical... ...listed on the job posting), the application...TrainingFull timeTemporary workLocal areaWorldwide- ...new Machine Learning Engineer opportunities posted on AI Chopping Block... ...ingestion, preprocessing, training, testing, and... ...optimize end-to-end ML pipelines encompassing... ...state of the art in LLMs, RL, and code generation... ...training pipelines that scale reliably across...TrainingFlexible hours
- ...one of our first ML hires, shaping not... ...preprocessing to training, testing, and deployment... ...with product and engineering teams to integrate... ..., monitoring, and scaling in production... ...Familiarity with LLMs, generative AI, or... ...decisively, and stay aligned. We aim for high leverage...TrainingWorldwideShift work
$195k - $365k
...track record of building and training large-scale audio or speech models from... ...of research and engineering, eager to design novel sequence... ...Experience With Text-based LLMs: Hands‑on experience with core... ...speech and voice generation. Alignment & Steerability: Applying Reinforcement...TrainingFull timeWork at officeWorldwide$170k - $200k
...helps local businesses scale, and enables global... ...robotics and physical AI training. We’re working with... ...The Instawork Robotics ML Engineer will help build and scale... ...teams to ensure alignment from concept to deployment... ...Journal, The Washington Post, and the Associated...TrainingHourly payInternshipLocal areaShift work- ...to build the shared ML and AI... ...lifecycle — from large-scale data curation and model... ...Staff Machine Learning Engineer, you will lead the... ...design, distributed training, serving infrastructure... ...in Transformers/LLMs/Foundation Models,... ...to drive technical alignment across teams: setting...TrainingFull timeWork experience placementLocal areaImmediate start
$180k - $240k
...is hiring a talented ML/AI Research Engineer to join their team in... ...will lead the design, training, evaluation and... ...the cutting edge of LLMs, vector search, graph... ...drift detection and alignment strategies across production... ...Deep understanding of scaling and optimization...TrainingFull time- ...Perplexity is seeking experienced ML engineers to design, build, and... ...the intelligence of frontier LLMs, the personalization context... ...or personalization systems at scale. Strong ML fundamentals, covering... ...with large-scale ranking and training infrastructure (multi-stage...TrainingFull time
- ...hands-on support from AMD engineers the team is scaling rapidly to build the full stack... ...About the role As an ML Engineer at Sciforium, you... ...solutions across Serving, Post-Training and Agentic frameworks. You... ...architectures that combine LLMs, retrieval systems, memory,...TrainingFull timeFlexible hours
- The role At Mach9, ML Engineers build the perception models at the core... ...advantage allows us to develop and train cutting edge 3D scene... ...infrastructure engineers to scale training and inference of your... ...models and with product teams to align your model’s behavior with...Training
- ...startup building production-grade ML infrastructure used by... ...looking for a Senior AI/ML Engineer to own model training pipelines, evaluation systems, and inference serving at scale. Full-time, on-site in San Francisco... ...~ Hands-on experience with LLMs, fine-tuning, RAG, or large-...TrainingFull time
- ...: Python, PyTorch, NLP, LLMs, Information Retrieval,... ...boundaries of what our ML systems can do. We're hiring a Founding ML Engineer to own the research and... ...You will be researching, training, and shipping models - from... ..., or data generation at scale Strong Python and...Training
- B Capital is looking for a talented engineer to join their team in San Francisco, focusing... ...building systems that transform powerful pre-trained models into efficient agents. The role... ...research, and significantly contributing to ML capabilities. We offer top-tier...
$292k - $417.2k
...Director of Machine Learning Engineering and Infrastructure to... ...team bridging advanced ML engineering with world-... ...and execution for scaling our machine learning capabilities... ...engineering, model training, evaluation, and... ..., and Content teams to align on business goals and deliver...TrainingFull timeTemporary workLocal areaFlexible hours$238k - $297k
...economy, at global scale, with impact your... ...Work alongside engineers, scientists, operators... ...data-intensive post-training techniques. We believe... ...architecting the ML infrastructure... ...roadmap, and drive alignment across stakeholders... ...NLP, deep learning, LLMs, or explainable AI...TrainingFull timeWork at officeRemote workFlexible hours- ...Talent Network for Principal AI/ML Engineer Roles at VC-Backed Startups... ...learning research, and scaling AI-powered systems at high-growth... ...AI methodologies , including LLMs, transformers, and... ...optimization Develop scalable training and inference pipelines for...TrainingFull time
$300k - $400k
...Description As a Principal AI/ML Engineer in our AdTech team, you will... ..., operating at large scale and low latency to handle billions... ...large language models (LLMs) and intelligent agent architectures... ...– from data ingestion and training to real-time inference ,...TrainingFull time- .... About the role: As a ML Engineer, you’ll build and operate the... ...the ability to rapidly test, scale, and iterate on them—and that... ...on the systems that support training and evaluating large models,... ...Thoughtful technical blog posts/work logs Previous experience...TrainingFull timeInternship
- ...auditability, and deliver reliable outcomes at scale. About the Role We are looking for a visionary Senior ML Engineer who will bridge the gap between high-level... ...growth phase) ~2+ years of ML, specifically training or fine-tuning LLM models, embeddings; building...TrainingFull timeShift work
$200k - $400k
...interpretability researchers and engineers from organizations like... ...build our platform for training, evaluating, and... ...of models at frontier scale. Training... ...determine the team that best aligns with your strengths.... ...years of experience in ML infra, research engineering...TrainingFull time
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