AI Model Fine-Tuning & Alignment Engineer
Character
Character.ai is looking for a Research Engineer in Menlo Park, California. In this role, you'll dive into fine-tuning AI models and optimizing their performance on a team dedicated to groundbreaking advancements. Your responsibilities include developing alignment algorithms, processing data pipelines, and understanding model performance quality. On-site presence is required 3-5 days a week, and strong expertise in modern machine learning techniques is essential for success. #J-18808-Ljbffr
$180k
...Sr. Software Engineer, Multimodal Understanding SpaceX... ..., to Grok models, to our suite of applications... ...training, post-training/alignment, infrastructure/... ...and interactive human-AI collaboration. Contribute... ...training, post-training, or fine-tuning (vision, audio, video,...SuggestedTemporary work$180k
...supercomputers, to Grok models, to our suite of... ...build next. SR. MODEL ENGINEER, POST-TRAINING & RL... ...training, post-training, fine-tuning, or RL training of neural... ...believe truth-seeking AI is the most important... ...learning and alignment methods If you previously...SuggestedTemporary work$180k
...from our Colossus supercomputers, to Grok models, to our suite of applications, including... ...shapes what we build next. SR. MODEL ENGINEER, RL INFERENCE The RL infrastructure... ...models (e.g., pre-training, post-training, fine-tuning, or RL training of neural networks with...SuggestedTemporary work$209.8k - $285k
...Staff Machine Learning Engineer to play a foundational... ...generation Large Driving Model (LDM) for the Rivian... ...Engineer, you will lead the AI strategy for these... ...curation, post-training alignment, and rigorous evaluation... ...post-training paradigms (fine-tuning, alignment), and...SuggestedFull timeContract workTemporary workPart timeLocal areaShift work$220k - $357k
...Colossus supercomputers, to Grok models, to our suite of applications... ...boost the ceiling for RL Engineer long-context data recipes... ...pre-training, post-training, fine-tuning, or RL training of neural networks... ...-art techniques for curating AI training data for text, image...SuggestedTemporary work$220k - $357k
...from our Colossus supercomputers, to Grok models, to our suite of applications, including... ...shapes what we build next. SR. MODEL ENGINEER, VOICE You'll join the Grok Voice Model... ...including the systems that run supervised fine-tuning and reinforcement learning at scale...Temporary work$220k - $357k
...from our Colossus supercomputers, to Grok models, to our suite of applications, including... ...shapes what we build next. SR. MODEL ENGINEER, RL TRAINING FRAMEWORK The RL infrastructure... ...(e.g., pre-training, post-training, fine-tuning, or RL training of neural networks with...Temporary work$160k - $250k
...spatial-temporal compression, cross-modal alignment, world modeling, reasoning, real-time video processing... ..., interactive dynamics, and human-AI collaboration. Innovate on algorithms... ...Work across pre-training, supervised fine-tuning, reinforcement learning, and post-...Full timeTemporary work$180k
...from our Colossus supercomputers, to Grok models, to our suite of applications, including... ...QUALIFICATIONS: You believe truth-seeking AI is the most important and challenging... ...possible with reinforcement learning and alignment methods. If you previously worked on post...Temporary work$100k - $200k
...meticulous and innovative AI/LLM Test Engineer to join our cutting-edge AI... ...and safety of Large Language Models (LLMs) in real-world... ...robustness, accuracy, and alignment with product goals. This is... ...with ML engineers to validate fine-tuned models and optimize prompts...Full timeContract workFor contractorsWork experience placement$250k - $300k
...only vertically integrated AI infrastructure company built... ...The Senior Staff Software Engineer for the AI Model Lifecycle team will play a... ...ll Be Working On: Manage fine-tuning systems for large foundation... ...training, fine-tuning, and aligning LLMs using Reinforcement...Temporary work$165k - $185k
...part of the global research, our AI research in Silicon Valley focuses on Foundation Models, Big Data Visual Analytics,... ...Robotics, Data Science, AI System Engineering, Time-series Analysis. We... ...foundation models, including training, fine-tuning, and promptingIn-depth...Work experience placementWorldwide$220k - $357k
...from our Colossus supercomputers, to Grok models, to our suite of applications, including... ...shapes what we build next. SR. MODEL ENGINEER, IMAGINE As a multimodal engineer on the... ...Team, you will develop cutting-edge AI experiences beyond text, with a strong focus...Temporary work$120k - $170k
...Process Engineer - Technology Development (Vacuum Lamination & Material Stack Alignment) As a Process Engineer specializing in Vacuum Lamination and Material Stack Alignment, you will drive the qualification and integration of new materials into our advanced manufacturing...Flexible hours$190k - $286k
...with user experience, engineering, operations, solution architects... ....ResponsibilitiesOwn model selection Define how... ...to supervised fine-tuning, parameter-efficient methods... ...executive briefs that align engineering, data science... ...as a product manager on AI/ML, data or...Full timeWork at office- ...influence how we use data to shape model behaviors and product-... ...depth and breadth of Character.AI towards our mission to... ...abilities, technical robustness and alignment of our models. ~... ...closely with our T&S, research engineering, moderation and product teams...Worldwide3 days per week
- ...patients worldwide.We’re a team of engineers, clinicians, and innovators... ...platforms. As a Senior AI/ML Research Engineer, you will develop and fine-tune the foundation models—VFMs, VLMs, and VLA models—that... ...software, and data engineering to align on interfaces and deliver...Local areaWorldwideFlexible hours
$228k - $285k
...seeking a Staff Geospatial Data Engineer to lead the architectural... ...infrastructure for our Large Driving Model (LDM). In this role, you will... ...pipelines for large-scale AI training. Your primary focus will... ...to clean, validate, align, and enrich map features, minimizing...Full timeContract workTemporary workPart timeLocal areaShift work$174k - $252k
...automated evaluation to rapid model iteration.Build cross-... ...and secure agentic AI systems by developing... ...Model (LLM) development, fine-tuning, or safety evaluation... ...areas such as Safety and Alignment.Our team focuses on de-... ...looking for a research engineer for the Frontier Safety...- ...Rivian seeks a Staff Camera ISP Tuning Engineer to lead development of best-in-class camera systems for Rivian vehicles. This high-impact role covers autonomy, driver assistance, and convenience, requiring in-depth ISP, optics, and CMOS sensor expertise. The position...
$158k - $237k
...velocity. We are looking for motivated engineers, who can complement this rockstar team!About... ...Securing and Accelerating the World's AI TransformationRubrik (RBRK), the... ...actions, enforcing real-time guardrails, fine-tuning for accuracy and undoing agentic mistakes...Shift work$307k - $427k
...creates real leverage and aligning teams around a shared... ...across the full AI systems stack (e.g., agent... ...-loop Studio UIs, and fine-tuning/expertise distillation... ...of experience in engineering or related function.Preferred... ..., or AI/ML modeling using Python and C++.Experience...$171.6k - $222.2k
...systems that combine innovative AI, sophisticated control... ...learning and large language models. We leverage advanced robotics... ...and robot embodiments through fine-tuning and optimization. - Execute rapid... ...results and solid engineering practices, closing the gap between...Local areaWorldwideFlexible hours$150.7k - $251.2k
...The opportunity Our AI, Data & Engineering team helps apply cutting edge... ...continuously improve high-performance models, collaborating with other... ...activities that aligns with the client’s goals, mission... ...solutions Experience fine-tuning Generative AI models on Databricks...Full timeWork experience placementRemote work$170k - $277.5k
...Autonomy Engineer - Deep Learning Model Acceleration San Mateo, California, United States - Full-time Skydio is the leading US drone company and... ...that supports Skydio’s Deep Learning (DL) and AI efforts. You will be working at the nexus of Skydio’s autonomy...Full timeLocal areaRelocation package$262k - $364k
...EngineerGoogle's software engineers develop the next-... ...is at the forefront of AI innovation, applying cutting... ...and Generative AI models like Gemini to power a... ....Facilitate alignment and clarity across teams... ...processing, debugging, fine tuning).5 years of experience...- ...Role We seek experienced engineers and scientists to develop the... ...frameworks that tell us whether our models are improving and ensure they... ...generation, instruction tuning, RLHF, in-context learning,... ...Familiarity with LLM safety and alignment evaluation (toxicity,...
- ...Amazon Web Services (AWS) seeks a Senior Forward Deployed Engineer for the Custom Models & Optimization team. You will be the technical lead embedded inside strategic customers, shaping model customization, optimization, and production deployment to achieve measurable...
$169.73k - $194.59k
...Are you an experienced AI/GenAI engineer who loves shipping real systems? Join... ...for CI/CD, testing, prompt/model versioning, and observability... ...operational support (monitoring, tuning, incident response). Projects... ...). Parameter‑efficient fine‑tuning (LoRA/QLoRA/adapters),...Hourly payFull timeTemporary workPart timeFixed term contractWork at officeFlexible hoursWeekend workAfternoon shift$190k - $250k
...has developed an artificial intelligence (AI) powered technology stack purpose-built... ...developing large-scale generative world models that learn to predict realistic, physically... ...other basis protected by applicable law.In alignment with its business operations, Kodiak...Temporary workWork at officeVisa sponsorship
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