Junior Software Engineer - RL Environments for Frontier AI
RippleMatch Inc.
RippleMatch Inc. is seeking an innovative and motivated individual to design and refine reinforcement learning tasks in San Francisco. This role requires a strong command of Python and the ability to work independently with coding agents. Responsibilities include the full lifecycle of task development, from ideation to analysis of model performance. Ideal candidates are recent graduates with solid technical fundamentals and a knack for creative problem-solving. Benefits include health, dental, vision, and life insurance. #J-18808-Ljbffr RippleMatch Inc.
$200k
...evaluation infrastructure that frontier AI labs use to make their models... .... The Role As a SWE (Environments), you will design the... ...worked for/interned for any RL environment companies in the... ...~ Former founders and early engineers at early stage startups are a...SuggestedFull time$180k - $220k
...data and evaluation infrastructure that frontier AI labs use to improve their models,... ...Industry: AI / ML The Role As a Software Engineer (Environments), you design the datasets and evaluation... ...Nice to Haves Experience at RL-environment companies A background...SuggestedFull timeVisa sponsorship- ...Onsite Industry: Applied AI / AI research data... ...quality reinforcement-learning environments and agents sold to the world... ...The Opportunity As an RL Environment Software Engineer, you will sit at the intersection... ...-quality environments the frontier will need next, then build...Suggested
- ...Team The Post-Training Frontiers team creates the... ...should go into the final RL run and deciding what... ...You will work across engineering and infrastructure problems... ...by fast-moving environments where reliability, speed... ...OpenAI OpenAI is an AI research and deployment...SuggestedFull time
- ...Mechanize builds reinforcement learning environments that frontier AI labs use to train and evaluate their... ...complex, judgment-heavy parts of software engineering. We build the environments that... ...do You’ll design, build, and refine RL tasks. Each task is a self‑contained...Junior
$300k
We're partnering with a top AI training lab in San Francisco to hire a junior software engineer — and they pay like it's a senior role: $300K base +... ...company One-liner: Building high-fidelity RL environments used to train frontier AI models on real software‑engineering...Junior- ...Our Cyber team builds AI systems and products that... ...and reliability of frontier models in security-sensitive... ...works across product engineering, model training,... ...looking for research and software engineers to join... ...if you: Enjoy 0 - 1 environments, can navigate ambiguity...Full time
- ...About the Team The Frontier Systems team at OpenAI... ...systems and build any software needed for running large... ...We are looking for engineers to operate the next generation... ...-growth or hyperscale environments Bring strong... ...OpenAI OpenAI is an AI research and deployment...Full time
- ...About the Team The Frontier Systems team at OpenAI builds, launches... ...systems and build any software needed for running large-scale... ...running reliably for cutting-edge AI research. Even a single hardware... ...is core to the mission. Engineers here own their work end-to-...Full time
- ...About the Team The Frontier Systems team at OpenAI... ...systems and build any software needed for running large... ...Role As a Software Engineer on the Frontier Systems... ...or model training environments). Knowledge of power... ...OpenAI OpenAI is an AI research and deployment...Full time
$200k
...Our approach combines frontier-scale pre-training, domain-specific RL, ultra-long context, and... ...About the role As a Software Engineer at Magic, you will work... ...Data , RL Research & Environments , or Product , depending... ...frontend workflows for AI-first experiences...Full timeRelocationVisa sponsorship$225k
...Our approach combines frontier-scale pre-training, domain-specific RL, ultra-long context, and... ...About the role: As a Software Engineer on the product team,... ...cloud-based development environment and manage Magic account... ...Experience or interest with AI-first products and...Full timeLocal areaRelocationVisa sponsorship- ...Idler builds reinforcement learning environments that teach AI models to code like 0.01% engineers. Our training environments are... ...-world coding scenarios that frontier models will actually encounter.... ...scaleable systems that generate RL environments Create automated...Full timeContract workRelocation package
- ...discovering and building the next generation of AI-native interfaces. We believe that the... ...a highly collaborative, design-driven environment where engineering, product, and design operate as one... ...concepts that push beyond traditional software paradigms. This role requires...Full time
- ...excellence and continuous learning in an environment that values creativity and forward-... ...Accomplice, Gradient Ventures (Google’s AI Fund), BoxGroup, Village Global, and many... ..., Design, and other stakeholders within Engineering to maintain a high bar for quality in a...JuniorRemote workWorldwideFlexible hours
$300k
Senior Software Engineer, AI Simulation & Agent Infrastructure Most software... ...the simulated worlds that frontier AI models learn, reason, and... ...increasingly sophisticated simulation environments that push AI agents beyond... ...you’ll build End-to-end RL environments using React,...- ...Member of Technical Staff — RL Environments & Platform Engineering We're partnering with a fast-growing, well-funded AI startup building the... ...infrastructure that powers frontier model development. Their RL... ...for frontier models Build software to 10-100x the quality and...
- ...Netic is the AI revenue engine for essential services who are the backbone of the American economy... ...MIT, Stanford, and Harvard in bringing frontier AI to the physical economy, where the... ...and tangible. Netic's Full-Stack Software Engineers working on the product team build...Summer workInternshipImmediate startSleeping nights
- ...of technologists, physicians, engineers, and designers that are... ...engineering matter deeply. As a software engineer, you'll work across... ...the patterns and tooling for AI-native development that the rest... ...• are excited to work with frontier models, and care as much...
- ...the Role: You're an early engineering here. This means that you're... ...information processing with the use of AI enable anyone to... ...for: ~4+ years of fullstack software engineering experience preferably... ...explorer of this digital frontier. You’re familiar with crypto...Work at officeFlexible hours
$150k - $250k
...looking for passionate engineers who are excited to make... ...better way: were building AI bots that automatically maintain software through a combination of... ...as you work. Explore frontiers in programming languages... ...working in low-structure environments and navigating unknown...- ...things they had to do. Powerful AI will be the biggest lever for... ...these goals. Whoever deploys frontier compute infrastructure... ...teams spanning hardware and software. Speed and scale are our key... ...frontier forward. The Software Engineering TeamExamples of key exciting...Local area
$180k - $250k
...build the benchmarks that test whether frontier AI can actually do computational biology.... ...That's why we're scaling rapidly across engineering. We're building benchmarks across omics... ...You will be working on problems in software including but not limited to agent infrastructure...Work at officeVisa sponsorshipWork visa- ...technology. About the Role We’re looking for Full Stack software engineers with a product mindset to join the GTM Innovation team.... ..., curious, and motivated to make an outsized impact at the frontier of AI About OpenAI OpenAI is an AI research and...Full time
$150k - $180k
...Straia At Straia , we're building the AI-native intelligence layer for colleges and... ..., and are now hiring a Full Stack Engineer to help build the product that institutions... ...institutional data at scale, runs privately hosted frontier models, and delivers low-latency insights...Full timeWork at officeImmediate start- ...Sciforium is an AI infrastructure company developing next-generation... ...hands-on support from AMD engineers the team is scaling rapidly... ...the full stack powering frontier AI models and real-time applications... ...experience) ~3+ years of software engineering experience, with...Full timeWork at officeFlexible hours
$193.4k - $290k
...incrementally, but end-to-end. By combining frontier agentic AI, an enterprise-grade platform, and... ...to our customers — from leadership to engineers — and work together to solve real... ...started. Role Overview As a Backend Software Engineer on the Product Engineering...Full timeRelocation package- ...multimodal functionalities into our AI products, ensuring they are... ...an experienced product engineer to drive the development of our... .... As we explore new frontiers in video-enabled AI and other... ...focused products. Excel in environments with ambiguity and rapid change...Full timeWork at officeRelocation package
- ...world’s leading Agentic AI platform to transform... ..., our team includes engineers from premier tech companies... ..., Ema is at the frontier of what Agentic AI can... ...you? We are seeking a Software Engineer to join the Ema... ...in multi-tenant SaaS environments. Knowledge of front...Full timeWork experience placement
- ...Mariana Minerals is a software-first, vertically... ...modern energy, AI, and defense technologies... ...Stack Software Engineer to lead critical... ...-ready ML, RL, and LLM-powered features... .... Mentor junior engineers , conduct... ...ambiguous, fast-paced environments and bringing...Full time
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