Junior Software Engineer - RL Environments for Frontier AI
RippleMatch
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
$180k - $220k
...evaluation infrastructure that frontier AI labs use to improve their... ...The Role As a SWE (Environments), you'll design the datasets... ...Requirements ~1–4 years of software engineering experience with strong technical... ...Flags Experience at RL environment companies 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... ...-quality environments the frontier will need next, then build...SuggestedFull time
$300k
...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$184k - $259.44k
...Scale AI is seeking a highly skilled and motivated Software Engineer, Frontier AI Infrastructure to join our dynamic Public Sector Engineering team. As a part of this... ..., creating fully functional staging/testing environments that define the company's standard for safe deployments...SuggestedFull timeWork at office3 days per week$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, you... ...-based development environment and manage Magic account... ...Experience or interest with AI-first products and...Local areaRelocationVisa sponsorship- ...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...
- ...that create and QA coding environments at scale. Most of your... ...systems that generate RL environments Create... ...fairness Work directly with AI researchers at leading... ...team, a founding engineer, and a small group of engineers... ...to AI researchers at frontier labs. Tech stack...Relocation package
$201.5k - $246k
//Software engineer, android# Software engineer, android## Job DescriptionSoftware Engineer, AndroidRemote... ...the day. Our next products will use AI to bring friends together in ways never... ..., and enjoy highly autonomous environments. You enjoy owning user problems and working...Full timeWork experience placementWork at officeRemote work$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,...- ...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
- ...better, more human customer experiences with AI. We are primarily an in-person company... ...'ll bring ~ A passion for being on the frontier of AI products. ~ Motivation and high-... ...professionally and personally, creating an environment that enables all of us to do our best...Full timeFlexible hours
- ...human customer experiences with AI. We are primarily an in-person company... ...~ A passion for being on the frontier of AI products. ~ Strong software engineering fundamentals and experience building... ...drive outcomes in a fast-moving environment. ~4+ years hands-on experience...Full timeFlexible hours
- ...replacing entire categories of software—and enabling entirely new... ...we are: A leading multimodal AI research lab, having built one... ...compute and resources to support frontier research ($900M Series C)... ...creators actually use We give engineers real ownership early—and the...InternshipImmediate start
$120k - $160k
...working on such exciting projects at the frontier of retail and AI (which our customers can’t wait to... ...Amazon, Tesco, and GoodRx. Our work environment is collaborative and inclusive, fostering... ...Could Work On As a Hands-on Founding Engineer Include But Are Not Limited To How...Full timeNight shift$57 - $61 per hour
...Get AI-powered advice on this job and more exclusive features... ...melting pot of highly-driven engineers from wildly different backgrounds... ...at the game, working at the frontier of a new field. Salary and... ...Sign in to set job alerts for “Software Engineer” roles. San...Full timeTemporary workSummer workInternship$200k
...organize human intelligence to power the AI economy. We partner with leading AI labs... ...development. Our vast talent network trains frontier AI models in the same way teachers teach... ...You'll set the standards that dozens of engineers build on, pay down the architectural decisions...Work at officeRelocation package- ...FullStack Software Engineer We are looking for a Generalist Software Engineer with experience... ...lean, highly technical team at the frontier of AI. We need a smart, capable engineer with... ...engine,' a complex, interconnected environment that enables AI models to learn and interact...Work experience placement
- ...Junior Software Developer – Observability Join to apply for the Junior Software Developer... ...such as public cloud, data science, AI, engineering innovation, and IoT. Our customers include... ...we offer colleagues Distributed work environment with twice-yearly team sprints in...JuniorWork at officeRemote workWork from home
- ...simulate, analyze, and evaluate conversational AI agents, including voice and multimodal... ...thousands of real-time conversations. Engineer trust. Develop algorithms and pipelines that... ...on hard, fascinating problems at the frontier of AI safety and reliability. Collaborate...Internship
$150k - $250k
...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 Team Examples of key exciting...Local area$140k - $265k
...Software Engineer, Developer Productivity About Glean: Glean is the Work AI platform that helps everyone work smarter with AI. What... ...Simplify onboarding and local dev environments. AI Adoption & Productivity... ...delivery. You’ll be at the frontier of AI adoption in...Local areaRemote workHome officeFlexible hours3 days per week$180k - $220k
...About the Company An AI research lab pushing the... ..., with the frontier foundation-model labs... ...building out its founding engineering team. Founded 2025 · 1... ...The Role As a Senior Software Engineer, Infrastructure... ...operating systems in cloud environments (GCP or AWS) ~...Full timeVisa sponsorship- ...As a Senior Software Engineer, Infrastructure and Platform, you will design and build the core... ...data pipelines used to train frontier AI models. This is a highly technical role... ...designing and operating systems in cloud environments (GCP or AWS) Experience with message...
- ...better transcription means better AI outcomes, which means better search and automations. An engineer who builds in isolation here... ...building and shipping software, preferably at startups. You\'... ...Not just keeping up, but at the frontier. Always looking for ways to get...
$160k - $225k
...running the world's best data and AI infrastructure platform so... ...open models to pre‑training frontier‑scale foundation models, for... ...in the world. As a Senior Software Engineer for AI Runtime, you will... ...infrastructure teams in a fast‑moving environment. Customer‑focused mindset...- ...based in San Francisco, is a leading research accelerator for frontier AI labs and partners with global enterprises to deploy... ...and identify error patterns. Hypothesize on steps in the software engineering cycle (prototyping, architecture design, API design, production...Remote jobFull timeContract workFor contractorsFlexible hours
$170k - $200k
...communities around the globe. Our AI-powered labor marketplace... ...technology companies to push the frontiers of robotics and AI. We are seeking a Senior Software Engineer to contribute to the... ...focus on high-growth product environments Strong coding and architectural...Hourly payTemporary workLocal areaFlexible hoursShift work$144k - $240k
...this a reality— and we need engineers who want to solve problems... ...Sciences, Physical Sciences, and Software become one AI‑native experience that... ...is the most inspiring frontier for AI. Rather than hard‑coding... ...importance. If this sounds like an environment you’d love to work in, even...Full timeWork at officeLocal areaFlexible hours- ...Overview Netic is the AI revenue engine for essential services who are the backbone of the American... ...MIT, Stanford, and Harvard in bringing frontier AI to the physical economy, where the... ...: 2+ years delivering user-facing software at scale; you’ve carried features through...Work at officeImmediate startSleeping nights
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Junior Software Engineer - RL Environments for Frontier AI. Be the first to apply!
- software engineer full time San Francisco, CA
- software system engineer San Francisco, CA
- consulting software engineer San Francisco, CA
- software engineer travel San Francisco, CA
- real time software engineer San Francisco, CA
- network software engineer San Francisco, CA
- senior software engineer remote San Francisco, CA
- entry level software engineer remote San Francisco, CA
- software engineer intern San Francisco, CA
- new grad software engineer San Francisco, CA


