Senior RL Infra Engineer — Frontier AI Training & Scale
$350kMirendil
Mirendil is looking for engineers to build infrastructure for frontier reasoning models at their San Francisco location. This role focuses on large-scale reinforcement learning (RL) model training and requires a solid understanding of engineering principles. The ideal candidate will design reliable training infrastructure, implement performance optimizations, and develop evaluation frameworks. A competitive salary of $350,000–$500,000 USD and equity grants are offered based on experience. #J-18808-Ljbffr Mirendil
- Senior ML Systems Engineer, Frameworks & Tooling at Cohere Our mission is to scale intelligence to serve humanity. We’re training and deploying frontier models for developers and enterprises... ...who are building AI systems to power... ...closely with infra teams to ensure Slurm...SeniorTrainingFull timeWork at officeRemote workFlexible hours
- ...the Role Handshake AI builds the training data that frontier labs use to push their... .... We’re hiring a Senior Product Manager to own... ..., building a single RL environment is a substantial... ...operators and engineers, and depends on... ...manual model doesn’t scale. Your job is to make...SeniorTrainingFull timeWork at officeImmediate startRemote workFlexible hours
$190k - $250k
...Nimble is an AI robotics company building... ...commerce. We’re training robot AGI to power... ...the world’s best engineers and operators. If... ...are looking for a Senior Software Engineer... ...grade software that scales as we deploy more... ...teams to integrate frontier AI capabilities into...SeniorTrainingWork at officeLocal areaFlexible hours- Gravity Engineering Services Pvt Ltd. is seeking a member of the AI technical staff to join the founding team in San Francisco. The ideal candidate will... ...responsibilities like building a generalist web-agent, scaling large-scale RL infrastructure, and collaborating with...SeniorRelocation
$208k - $263.5k
...that. Atoms builds Physical AI— real-world robots for the... ...them until they work at scale. We are roboticists, engineers, operators, and builders. We... ...subcategories: AI Research, Post-Training Optimization, and Data... ...Research and develop cutting edge RL and distillation techniques...SeniorTrainingFull timeInternshipWork at officeFlexible hours$225k
...Manufacturing Co is looking for a Software Engineer on the Inference & RL Systems team in San Francisco. The... ...high reliability for RL and post-training workflows. The ideal candidate will possess... ...and experience with large-scale systems. Compensation includes a competitive...Training- A leading AI research firm located in San Francisco is seeking a Senior ML Systems Engineer to build and maintain the training framework for large-scale language models. The role involves designing distributed training solutions and improving training throughput across...SeniorTrainingFlexible hours
- ...PyTorch Expert to guide teams in enhancing AI model performance. This remote contract... ...involves working with MLOps and ML systems engineering tasks. The ideal candidate should have 2+... ...on production experience with PyTorch at scale. Strong communication skills are...SeniorTrainingRemote jobContract work
$225k - $250k
...started Handshake AI and built the fastest... ...directly with frontier AI lab researchers... ...economy, at global scale, with impact your... ...Work together with engineers, scientists, operators... ...-intensive post-training techniques. We... ...About the Role As a Senior Forward Deployed...SeniorTrainingFull timeWork at officeRemote workFlexible hoursShift work$300k
...mode startup building out their AI and cloud platform, powered by thousands... ...ready for experimentation, full-scale model training, or inference. As a Platform Engineer/Senior Site Reliability Engineer, you’... ...and operate infrastructure for frontier AI workloads, automate systems...SeniorTrainingPermanent employment$150k - $300k
...located in San Francisco, is seeking an Infrastructure Engineer to construct the foundational tooling for our AI video research lab. This role involves significant... ...cloud background and experience managing large-scale infrastructure. Compensation is within the range of...Senior- A leading AI consultancy is expanding by hiring 25 Senior Electrical Engineering Experts for part-time, fully-remote roles. This position focuses on designing complex... ...can set their own rates and will work on high-impact frontier AI projects. #J-18808-Ljbffr Aligned LabsSeniorRemote jobPart time
- Gravity Engineering Services Pvt Ltd. in San Francisco is seeking a skilled reinforcement learning... ...their key product through advanced training infrastructure and model optimization. The... ...evaluation, while also bridging traditional RL with contemporary LLM agents. The role...Training
- About Luma AI Luma’s mission is to build multimodal AI to expand... ...that pushes the boundaries of scale. Our SRE team is the... ...a hands‑on, first‑principles engineer who is fluent in Linux, comfortable... ...of our production clusters for training and inference across AWS and OCI...SeniorTrainingWork experience placement
$196k - $220.5k
...fair content moderation at scale. Keeping our users safe is foundational... .... We’re looking for a Senior Software Engineer who can take ownership of... ...stakeholders. Using Gen AI products, like Claude Code,... ...experience, and relevant education or training. #J-18808-Ljbffr DiscordSeniorTrainingFull time$192k - $240k
### Senior Security Operations Engineer#### San Francisco, California, United StatesSenior Security... ...*Why join us**Brex is the AI-powered spend platform. We... ...efficiency on a global scale.Working at Brex allows you... ...field OR equivalent training / fellowship OR 5+ years work...SeniorTrainingWork at officeRemote workWork from home$250.8k - $286.2k
...creating responsible and reliable AI systems, changing banking for... ...-class applied science and engineering teams to deliver our industry... ...components including foundation model training, large language model... ...latency, throughput — of large-scale production AI systems. Contribute...SeniorTrainingFull timePart timeLocal area- ...starting with food. We build AI-powered robots that assemble fresh meals at scale for some of the largest... ..., ML, and operations engineers building the foundation... ...to be rock‑solid. As a Senior Software Engineer on... ...relevant education or training. In addition to salary...SeniorTrainingFlexible hours
- ...coding environments at scale. Most of your day... ...that generate RL environments Create... ...Work directly with AI researchers at leading... ...understand what makes training data effective... ...founding team, a founding engineer, and a small group... ...AI researchers at frontier labs. Tech stack...SeniorTrainingRelocation package
$165k - $230k
...Role This is applied agent engineering: tool-using AI systems built on real business... ...shipping real systems at scale The ability to sit with a... ...founder's bias for action and a senior engineer's obsession with... ...of absence, compensation, and training. #J-18808-Ljbffr...SeniorTrainingSummer holidayLive inWork at officeLocal areaRemote workFlexible hours2 days per week- ...Member of Technical Staff — RL Environments & Platform Engineering We're partnering with a... ...-growing, well-funded AI startup building the training and evaluation infrastructure that powers frontier model development.... ...supports customer usage at scale Research and develop...SeniorTraining
$148.5k - $223.9k
...Job Category Software Engineering Job Details... ...Salesforce is the #1 AI CRM, where humans with... ...Salesforce is seeking a senior engineering candidate to... ...improve reliability at scale. By leveraging cutting... ..., promotion, benefits, training, assessment of job performance...SeniorTrainingWorldwideWeekend work$225k - $250k
...started Handshake AI and built the fastest... ...directly with frontier AI lab researchers... ...economy, at global scale, with impact your... ...Work together with engineers, scientists, operators... ...-intensive post-training techniques. We... ...About the Role As a Senior Software Engineer...SeniorTrainingFull timeContract workWork at officeFlexible hours$181k - $263k
...support. We are looking for a Senior Staff Site Reliability Engineer who will set the technical... ...as Code (Terraform) at scale across multi-environment, multi... ...Familiarity with LLMs and AI-assisted development... ...that informs how we hire, train, and grow our global team across...SeniorTrainingWork from homeFlexible hoursNight shift- Patronus AI, based in San Francisco, is seeking a senior software engineer to build RL environments and comprehensive simulation infrastructure. You will own architecture, implement frontend interfaces, backend services, APIs, and data models, collaborating with researchers...Senior
$205.6k - $257k
Scale has been the leading AI data foundry, helping fuel the most exciting advancements in AI, including frontier model training, enterprise adoption, defense applications... ...both the development of RL environments (the... ...driving execution across engineering, operations, and go-...SeniorTrainingFull time$325k
A leading AI research company in San Francisco seeks an engineer to optimize their powerful AI models for high-volume production environments. The ideal candidate has over 5 years of software engineering experience, strong familiarity with ML architectures, and experience...Senior$150k - $190k
...seeking a highly capable, hands-on Senior Process Engineer to support the development, operation, and scale-up of our revolutionary... ...modifications. Experience using AI tools to accelerate technical... ...solving skills. Capable of training others in best practices and...SeniorTrainingImmediate start- Redwood Materials, Inc. seeks a Senior BIM/VDC Engineer to support Infrastructure Development. Responsibilities include managing BIM models and coordinating design teams across geographies. Ideal candidates will have a Bachelor's degree or 5-8 years of hands-on experience...SeniorFull time
$205k - $300k
...the career network for the AI economy. 20 million knowledge... ..., from freelance AI training gigs to first internships to... ...025, we tripled our ARR at scale. Why join Handshake now:... ...About the Role As a Senior Forward Deployed Engineer at Handshake AI Enterprise,...SeniorTrainingFull timeFreelanceInternshipWork at officeRemote workFlexible hours
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