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
Vacancy posted 3 days ago
Similar jobs that could be interesting for youBased on the Post‑Training ML Engineer: Align & Scale LLMs in San Francisco, CA vacancy
- ...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
Knowtex
San Francisco, CA1 day ago - Physical Intelligence is seeking an hands-on ML Infrastructure Engineer to scale and optimize our training systems and core model code. You will own critical infrastructure for large-scale training, managing GPU/TPU compute, job orchestration, and building efficient JAX...Training
$165k - $230k
...Higgsfield AI is the fastest-scaling generative AI... ...Machine Learning Engineers focused on Ads to help... ...prompt engineering, post-training, and production ML systems. You'll... ...on experience with LLMs, multimodal models,... ...package designed to align with impact, experience...TrainingFull timeWork at officeRemote workWorldwide3 days per weekHiggsfield
San Francisco, CA1 day ago$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 hoursStand Insurance
San Francisco, CA1 day ago- ...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
HappyRobot
San Francisco, CA1 day ago $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...TrainingFull timeBlue Signal Search
San Francisco, CA4 days ago$131.4k - $236k
...we’re investing deeply in AI/ML, LLMs, and Industrial IoT to transform... ...skills—mentoring developers, scaling systems, and driving the... ...feature development to model training, deployment, and monitoring.Mentor... ...development leaders to align AI roadmap with customer needs...Training$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 timeMacroscope Inc
San Francisco, CA1 day ago- ...Mach9 ML Engineer Role At Mach9, ML Engineers build the perception models... ...allows us to develop and train cutting edge 3D scene understanding... ...infrastructure engineers to scale training and inference of your... ...and with product teams to align your model's behavior with what...Training
Mach9
San Francisco, CA2 days ago - ...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
$151.8k - $265.35k
...Machine Learning Engineer to join our AI... ...define and own the ML architecture... ...What You'll Do Train and fine-tune ML... ...handle data at scale. Architect and... ...across teams to align priorities and drive... ...such as LLMs, evaluations, fine... ...Experience with post-training techniques...TrainingTemporary workLocal areaWorldwideAdobe
San Francisco, CA1 day ago$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 officeWorldwidePlaud
San Francisco, CA4 days ago$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$173.78k - $246.75k
...Machine Learning Engineer Remote... ...machine learning (AI/ML) systems in a cloud... ...using massive-scale genomic data that... ...for current training paradigms. The Senior... ...are perfectly aligned with scientific... ...~5+ years of post-MS industry experience... ...models (LLMs), or similar for...TrainingWork at officeLocal areaRemote work2 days per week3 days per weekFreenome
Brisbane, CA1 day ago$100k - $300k
...stealth team, founded by the engineers who scaled autonomous driving, is... ...We move fast, stay tightly aligned between engineering and product... ..., package) and reproducible training/evaluation workflows (manifests... ...Education & Experience: MS in CS/ML/Robotics or BS + ≥2 years...TrainingFull timeHumble Robotics
San Francisco, CA1 day ago$220k - $280k
...Staff Machine Learning Engineer Seattle / San... ...through AI/ML marketing optimization... ...to deployment and scale Design and evolve... ...tune and specialize LLMs (e.g., SFT, LoRA, PEFT... ...reasoning, persona alignment, and long-term conversion... ...for continuous training, monitoring, and...TrainingImmediate startScowtt
San Francisco, CA3 days ago$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
Plaid Inc.
San Francisco, CA1 day ago $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 timeAlldus International Consulting Ltd
San Francisco, CAmore than 2 months ago- ...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
Eight Sleep
San Francisco, CA18 days ago - ...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
Perplexity®️
San Francisco, CA1 day ago $150k - $300k
...the web. You will own the ML systems that turn that raw, multilingual, web-scale data into structured... ...across dozens of languages. Train and fine-tune encoder... ...and embedding models. Use LLMs for structured... ...the full ML research and engineering cycle, from prototype to...Training- ...: 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...
- ...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
Clera
San Francisco, CA1 day ago $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- ...first Machine Learning Engineer role at Metriport. We have... ...with customers, to training the models, to serving... ...honest. This is applied ML on messy, high-... ...You're pragmatic about LLMs. You've used them where... ...models on clinical data at scale: risk stratification, expected...TrainingWork at officeWork from homeRelocationFlexible hours
Metriport
San Francisco, CA1 day ago - Kindredventures in San Francisco seeks a Machine Learning Engineer to work with the full ML stack, implementing advanced model architectures and... ...in machine learning principles, extensive experience in training models, and familiarity with distributed training processes...Training
$225k - $300k
...Machine Learning Engineer About Latent Health... ...clinical knowledge at scale) and the individual... ...extraordinary depth. ML at Latent Health... ...learning at scale Mid-training and post-training of foundation... ...large language models (LLMs) for: Clinical reasoning...TrainingFull timeWork at officeImmediate startLatent
San Francisco, CA1 day ago- ...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
Palm Venture Studios
San Francisco, CA1 day ago
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Post‑Training ML Engineer: Align & Scale LLMs. Be the first to apply!
Related searches
- machine learning engineer San Francisco, CA
- machine learning software engineer San Francisco, CA
- ai ml engineer San Francisco, CA
- entry level machine learning engineer San Francisco, CA
- data scientist machine learning engineer San Francisco, CA
- junior machine learning research engineer San Francisco, CA
- machine learning ai engineer San Francisco, CA
- computer vision machine learning engineer San Francisco, CA
- graduate machine learning engineer San Francisco, CA
- senior ml engineer San Francisco, CA