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AfterQuery

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  • Technical Recruiter

    San Francisco | OnSite

    onsite Salary not disclosed

    Technical Recruiter San Francisco | OnSite ABOUT AFTERQUERY AfterQuery https://www.afterquery.com/ is an applied research lab curating data solutions for foundation model development. We serve every frontier AI lab with the mission of delivering the best data to power the best models. In doing so, we can make expertise that once took a lifetime to build available to anyone who needs it. Our customers are the ones building the foundation models themselves and our work sits directly in the loop of how those systems improve. This is a rare opportunity to join a company at a defining moment in AI. Since raising our $30M Series A at a $300M valuation, AfterQuery has grown well over a $100M revenue run rate. We're based in San Francisco and backed by leading investors including Altos Ventures, BoxGroup, and Y Combinator and angels from Google DeepMind, OpenAI, Anthropic, Meta Superintelligence Labs, and Microsoft AI and are based in San Francisco. TECHNICAL RECRUITER As one of our first recruiting hires, you'll help build the technical team shaping the future of frontier AI data infrastructure. You'll own recruiting for engineering and technical roles end-to-end, partner directly with the founders, and help define the hiring systems, candidate experience, and talent bar from day one. WHY APPLY - Massive Opportunity: We were one of the fastest growing YC companies in our batch, and we believe we can be one of the fastest growing YC companies of all time. - Founding Role: You'll be one of our first recruiting hires

  • Software Engineer - RL Environments

    San Francisco | OnSite

    onsite Salary not disclosed

    Software Engineer - RL Environments San Francisco | OnSite ABOUT AFTERQUERY AfterQuery https://www.afterquery.com/ is an applied research lab curating data solutions for foundation model development. We serve every frontier AI lab with the mission of delivering the best data to power the best models. In doing so, we can make expertise that once took a lifetime to build available to anyone who needs it. Our customers are the ones building the foundation models themselves and our work sits directly in the loop of how those systems improve. This is a rare opportunity to join a company at a defining moment in AI. Since raising our $30M Series A at a $300M valuation, AfterQuery has grown well over a $100M revenue run rate. We're based in San Francisco and backed by leading investors including Altos Ventures, BoxGroup, and Y Combinator and angels from Google DeepMind, OpenAI, Anthropic, Meta Superintelligence Labs, and Microsoft AI and are based in San Francisco. The Role As a SWE (Environments), you will design the datasets and evaluation rubrics that directly influence how frontier models learn. You'll work hands-on with research teams at top AI labs, experimenting with data collection strategies, diagnosing model failure modes, and developing the metrics that determine whether a model is actually improving. You'll go from hypothesis to live experiment quickly, and your output will feed directly into model training runs at scale. Day to day, you will design data slices that expose meaningful failure modes across domains like finance, code, and enterprise

  • Strategic Projects Intern

    San Francisco | OnSite

    onsite Salary not disclosed

    Strategic Projects Intern San Francisco | OnSite ABOUT AFTERQUERY AfterQuery https://www.afterquery.com/ is an applied research lab curating data solutions for foundation model development. We serve every frontier AI lab with the mission of delivering the best data to power the best models. In doing so, we can make expertise that once took a lifetime to build available to anyone who needs it. Our customers are the ones building the foundation models themselves and our work sits directly in the loop of how those systems improve. This is a rare opportunity to join a company at a defining moment in AI. Since raising our $30M Series A at a $300M valuation, AfterQuery has grown well over a $100M revenue run rate. We're based in San Francisco and backed by leading investors including Altos Ventures, BoxGroup, and Y Combinator and angels from Google DeepMind, OpenAI, Anthropic, Meta Superintelligence Labs, and Microsoft AI and are based in San Francisco. This role has the potential to convert to a full-time position as an Strategic Projects Associate. AfterQuery is seeking exceptional candidates for our Strategic Projects Intern position. This is not a typical job - you'll work directly with our founding team on high-priority projects spanning product development, research, and operations. COMPANY OVERVIEW AfterQuery https://www.afterquery.com/ is a research lab investigating the boundaries and capabilities of artificial intelligence through novel datasets and experimentation. Our customers are the foundation model labs, and we serve all of the frontier AI labs. We are based in San Francisco, CA,

  • Growth Associate

    San Francisco | OnSite

    onsite Salary not disclosed

    Growth Associate San Francisco | OnSite ABOUT AFTERQUERY AfterQuery https://www.afterquery.com/ is an applied research lab curating data solutions for foundation model development. We serve every frontier AI lab with the mission of delivering the best data to power the best models. In doing so, we can make expertise that once took a lifetime to build available to anyone who needs it. Our customers are the ones building the foundation models themselves and our work sits directly in the loop of how those systems improve. This is a rare opportunity to join a company at a defining moment in AI. Since raising our $30M Series A at a $300M valuation, AfterQuery has grown well over a $100M revenue run rate. We're based in San Francisco and backed by leading investors including Altos Ventures, BoxGroup, and Y Combinator and angels from Google DeepMind, OpenAI, Anthropic, Meta Superintelligence Labs, and Microsoft AI and are based in San Francisco. AfterQuery is hiring Growth Associates to architect and scale the expert supply engine powering frontier AI training. You will own both manual and automated acquisition pipelines to grow our expert network from 100K to hundreds of thousands and beyond. This role blends GTM automation engineering, talent acquisition, marketing, conference planning, partnership building, purchasing, and distribution. This is not a typical “growth” role. It is an operational, and strategic position working directly with our founding team. You will design scalable systems, run experiments, recruit elite experts and operators, build automation stacks, represent AfterQuery at conferences and

  • Software Engineer - Security/Infrastructure

    San Francisco | OnSite

    onsite Salary not disclosed

    Software Engineer - Security/Infrastructure San Francisco | OnSite ABOUT AFTERQUERY AfterQuery https://www.afterquery.com/ is an applied research lab curating data solutions for foundation model development. We serve every frontier AI lab with the mission of delivering the best data to power the best models. In doing so, we can make expertise that once took a lifetime to build available to anyone who needs it. Our customers are the ones building the foundation models themselves and our work sits directly in the loop of how those systems improve. This is a rare opportunity to join a company at a defining moment in AI. Since raising our $30M Series A at a $300M valuation, AfterQuery has grown well over a $100M revenue run rate. We're based in San Francisco and backed by leading investors including Altos Ventures, BoxGroup, and Y Combinator and angels from Google DeepMind, OpenAI, Anthropic, Meta Superintelligence Labs, and Microsoft AI and are based in San Francisco. SOFTWARE ENGINEER (SECURITY/INFRASTRUCTURE) - AFTERQUERY ABOUT THE ROLE You'll be responsible for protecting a system that handles highly sensitive workflows across AI training, expert networks, and enterprise integrations with leading model labs. This role is deeply technical. You'll design and implement the infrastructure that keeps our systems resilient, rather than managing off-the-shelf security tools. We move fast and rely heavily on AI internally. You should be comfortable using LLMs to accelerate debugging, threat analysis, and system design-and just as comfortable replacing repetitive work with code. Security here isn't isolated. When you're not working

  • Marketing Lead

    San Francisco | OnSite

    onsite Salary not disclosed

    Marketing Lead San Francisco | OnSite ABOUT AFTERQUERY AfterQuery https://www.afterquery.com/ is an applied research lab curating data solutions for foundation model development. We serve every frontier AI lab with the mission of delivering the best data to power the best models. In doing so, we can make expertise that once took a lifetime to build available to anyone who needs it. Our customers are the ones building the foundation models themselves and our work sits directly in the loop of how those systems improve. This is a rare opportunity to join a company at a defining moment in AI. Since raising our $30M Series A at a $300M valuation, AfterQuery has grown well over a $100M revenue run rate. We're based in San Francisco and backed by leading investors including Altos Ventures, BoxGroup, and Y Combinator and angels from Google DeepMind, OpenAI, Anthropic, Meta Superintelligence Labs, and Microsoft AI and are based in San Francisco. Why Join Us? - Be part of a company driving real impact on the future of AI - Work alongside an exceptional founding team with backgrounds at leading technology and finance firms - Unique opportunity to define and scale our marketing strategy from day one - Competitive compensation with significant growth and learning opportunities Responsibilities - Develop and execute AfterQuery's go-to-market and brand strategy for technical and enterprise audiences - Design, launch, and optimize multi-channel marketing campaigns to drive awareness, product adoption, and customer engagement across frontier AI labs - Collaborate with founders and technical

  • Engineering Manager

    San Francisco | OnSite

    onsite Salary not disclosed

    Engineering Manager San Francisco | OnSite ABOUT AFTERQUERY AfterQuery https://www.afterquery.com/ is an applied research lab curating data solutions for foundation model development. We serve every frontier AI lab with the mission of delivering the best data to power the best models. In doing so, we can make expertise that once took a lifetime to build available to anyone who needs it. Our customers are the ones building the foundation models themselves and our work sits directly in the loop of how those systems improve. This is a rare opportunity to join a company at a defining moment in AI. Since raising our $30M Series A at a $300M valuation, AfterQuery has grown well over a $100M revenue run rate. We're based in San Francisco and backed by leading investors including Altos Ventures, BoxGroup, and Y Combinator and angels from Google DeepMind, OpenAI, Anthropic, Meta Superintelligence Labs, and Microsoft AI and are based in San Francisco. ENGINEERING MANAGER Location: San Francisco Type: Full-time, On-site We're hiring an Engineering Manager who's still a strong IC. You'll lead engineers, stay hands-on in the code, and drive execution across critical systems. This is an ownership role, not a coordination role. RESPONSIBILITIES - Team Leadership: Manage a small group of engineers and own their output end-to-end - Hands-on Development: Write code, review systems, and contribute directly to critical builds - Execution: Drive projects forward quickly while maintaining a high bar for quality - Hiring & Mentorship: Recruit, mentor, and develop engineers to raise the overall

  • Business Talent Acquisition Lead

    San Francisco | OnSite

    onsite Salary not disclosed

    Business Talent Acquisition Lead San Francisco | OnSite ABOUT AFTERQUERY AfterQuery https://www.afterquery.com/ is an applied research lab curating data solutions for foundation model development. We serve every frontier AI lab with the mission of delivering the best data to power the best models. In doing so, we can make expertise that once took a lifetime to build available to anyone who needs it. Our customers are the ones building the foundation models themselves and our work sits directly in the loop of how those systems improve. This is a rare opportunity to join a company at a defining moment in AI. Since raising our $30M Series A at a $300M valuation, AfterQuery has grown well over a $100M revenue run rate. We're based in San Francisco and backed by leading investors including Altos Ventures, BoxGroup, and Y Combinator and angels from Google DeepMind, OpenAI, Anthropic, Meta Superintelligence Labs, and Microsoft AI and are based in San Francisco. BUSINESS TALENT ACQUISITION LEAD San Francisco, CA · In-office (5 days/week) · Full-time ABOUT THE ROLE This is our first dedicated Business Talent Acquisition hire, working directly with the founding team. You will own end-to-end hiring for our business and operations functions - Strategic Projects, Operations, GTM, and every business-side function we build out. This is not a typical recruiting role: you will operate as a builder, designing the sourcing engine, interview rubrics, and closing motion that bring in elite talent across every business-side hire we make. You should be excited to recruit

  • Senior Software Engineer - Infrastructure & Platform

    San Francisco | OnSite

    onsite Salary not disclosed

    Senior Software Engineer - Infrastructure & Platform San Francisco | OnSite ABOUT AFTERQUERY AfterQuery https://www.afterquery.com/ is an applied research lab curating data solutions for foundation model development. We serve every frontier AI lab with the mission of delivering the best data to power the best models. In doing so, we can make expertise that once took a lifetime to build available to anyone who needs it. Our customers are the ones building the foundation models themselves and our work sits directly in the loop of how those systems improve. This is a rare opportunity to join a company at a defining moment in AI. Since raising our $30M Series A at a $300M valuation, AfterQuery has grown well over a $100M revenue run rate. We're based in San Francisco and backed by leading investors including Altos Ventures, BoxGroup, and Y Combinator and angels from Google DeepMind, OpenAI, Anthropic, Meta Superintelligence Labs, and Microsoft AI and are based in San Francisco. SENIOR SOFTWARE ENGINEER, INFRASTRUCTURE & PLATFORM ROLE OVERVIEW As a Senior Software Engineer, Infrastructure & Platform at AfterQuery, you will design and build the core infrastructure that powers our data generation, evaluation, and agentic systems. You will be responsible for the shared platforms that enable our engineers and research teams to run large-scale human-in-the-loop workflows, evaluation harnesses, and automated data pipelines used to train frontier AI models. This is a highly technical role with broad ownership. You will architect and build foundational infrastructure that many other engineers depend on, ensuring

  • Talent Coordinator

    San Francisco | OnSite

    onsite Salary not disclosed

    Talent Coordinator San Francisco | OnSite ABOUT AFTERQUERY AfterQuery https://www.afterquery.com/ is an applied research lab curating data solutions for foundation model development. We serve every frontier AI lab with the mission of delivering the best data to power the best models. In doing so, we can make expertise that once took a lifetime to build available to anyone who needs it. Our customers are the ones building the foundation models themselves and our work sits directly in the loop of how those systems improve. This is a rare opportunity to join a company at a defining moment in AI. Since raising our $30M Series A at a $300M valuation, AfterQuery has grown well over a $100M revenue run rate. We're based in San Francisco and backed by leading investors including Altos Ventures, BoxGroup, and Y Combinator and angels from Google DeepMind, OpenAI, Anthropic, Meta Superintelligence Labs, and Microsoft AI and are based in San Francisco. TALENT COORDINATOR As one of our first talent hires, you'll help build the coordination engine behind AfterQuery's hiring process. You'll work closely with the founders, recruiters, hiring managers, and candidates to make sure every interview process runs quickly, smoothly, and professionally. This is a high-ownership role for someone extremely organized, detail-oriented, and excited to help scale a world-class talent function from the ground up. WHY APPLY - Massive Opportunity: We were one of the fastest growing YC companies in our batch, and we believe we can be one of the fastest growing YC companies of

  • Software Engineering Intern

    San Francisco | OnSite

    onsite Salary not disclosed

    Software Engineering Intern San Francisco | OnSite ABOUT AFTERQUERY AfterQuery https://www.afterquery.com/ is an applied research lab curating data solutions for foundation model development. We serve every frontier AI lab with the mission of delivering the best data to power the best models. In doing so, we can make expertise that once took a lifetime to build available to anyone who needs it. Our customers are the ones building the foundation models themselves and our work sits directly in the loop of how those systems improve. This is a rare opportunity to join a company at a defining moment in AI. Since raising our $30M Series A at a $300M valuation, AfterQuery has grown well over a $100M revenue run rate. We're based in San Francisco and backed by leading investors including Altos Ventures, BoxGroup, and Y Combinator and angels from Google DeepMind, OpenAI, Anthropic, Meta Superintelligence Labs, and Microsoft AI and are based in San Francisco. Working with our core engineering team, you'll be critical in creating data infrastructure that will be shaping the future development of frontier models. You will get a lot of responsibility, owning entire projects end-to-end - meaning you can see your impact instantly. WHY APPLY - Massive Opportunity: We were one of the fastest growing YC companies in our batch, and we believe we can be one of the fastest growing YC companies of all time - Founding role-you'll define and own our data infrastructure from day one. - Strong Team: Founding team has experience

  • People Programs Lead

    San Francisco | OnSite

    onsite Salary not disclosed

    People Programs Lead San Francisco | OnSite ABOUT AFTERQUERY AfterQuery https://www.afterquery.com/ is an applied research lab curating data solutions for foundation model development. We serve every frontier AI lab with the mission of delivering the best data to power the best models. In doing so, we can make expertise that once took a lifetime to build available to anyone who needs it. Our customers are the ones building the foundation models themselves and our work sits directly in the loop of how those systems improve. This is a rare opportunity to join a company at a defining moment in AI. Since raising our $30M Series A at a $300M valuation, AfterQuery has grown well over a $100M revenue run rate. We're based in San Francisco and backed by leading investors including Altos Ventures, BoxGroup, and Y Combinator and angels from Google DeepMind, OpenAI, Anthropic, Meta Superintelligence Labs, and Microsoft AI and are based in San Francisco. PEOPLE PROGRAMS LEAD San Francisco, CA · In-office (5 days/week) · Full-time ABOUT AFTERQUERY AfterQuery is building the human-data layer that the next generation of AI models is trained on. Frontier labs and AI-first companies depend on us to deliver high-quality, expert-generated data - fast, with rigor, and at a level of taste that off-the-shelf labeling vendors cannot match. Our edge comes from how we recruit, level, develop, and retain a workforce of high-agency operators and domain experts. We are growing quickly, the work is consequential, and the bar is high. ABOUT THE ROLE

  • Strategic Projects Associate

    San Francisco | OnSite

    onsite Salary not disclosed

    Strategic Projects Associate San Francisco | OnSite ABOUT AFTERQUERY AfterQuery https://www.afterquery.com/ is an applied research lab curating data solutions for foundation model development. We serve every frontier AI lab with the mission of delivering the best data to power the best models. In doing so, we can make expertise that once took a lifetime to build available to anyone who needs it. Our customers are the ones building the foundation models themselves and our work sits directly in the loop of how those systems improve. This is a rare opportunity to join a company at a defining moment in AI. Since raising our $30M Series A at a $300M valuation, AfterQuery has grown well over a $100M revenue run rate. We're based in San Francisco and backed by leading investors including Altos Ventures, BoxGroup, and Y Combinator and angels from Google DeepMind, OpenAI, Anthropic, Meta Superintelligence Labs, and Microsoft AI and are based in San Francisco. WHAT YOU WILL OWN Project and client management: Work with the world's leading AI organizations to build next-generation data solutions that push the limits of model capability, while directly driving revenue. Manage expert teams across domains: Lead and coordinate highly specialized contributors across fields like finance, software engineering, law, and more to create high-quality outputs at scale. Shape how AI systems are trained: Design dataset specifications that directly influence how frontier models are evaluated and improved. Your taste and judgement will shape what foundation models become. Drive high-impact execution end-to-end: Own critical projects from

  • Business Development

    San Francisco | OnSite

    onsite Salary not disclosed

    Business Development San Francisco | OnSite ABOUT AFTERQUERY AfterQuery https://www.afterquery.com/ is an applied research lab curating data solutions for foundation model development. We serve every frontier AI lab with the mission of delivering the best data to power the best models. In doing so, we can make expertise that once took a lifetime to build available to anyone who needs it. Our customers are the ones building the foundation models themselves and our work sits directly in the loop of how those systems improve. This is a rare opportunity to join a company at a defining moment in AI. Since raising our $30M Series A at a $300M valuation, AfterQuery has grown well over a $100M revenue run rate. We're based in San Francisco and backed by leading investors including Altos Ventures, BoxGroup, and Y Combinator and angels from Google DeepMind, OpenAI, Anthropic, Meta Superintelligence Labs, and Microsoft AI and are based in San Francisco. The Role Your job is to open doors at the world's leading AI labs. As our Business Development Representative, you will be the first point of contact for prospective customers-identifying, reaching, and engaging the research teams that can benefit most from our data and evaluation products. This is a foundational sales hire at an early-stage company: you won't just run a playbook, you'll help build one. Working closely with the founding team, you will turn cold outreach into warm conversations and warm conversations into qualified pipeline. What You'll Do • Research and identify key contacts

  • Strategic Projects - Coding Intern

    San Francisco | OnSite

    onsite Salary not disclosed

    Strategic Projects - Coding Intern San Francisco | OnSite ABOUT AFTERQUERY AfterQuery https://www.afterquery.com/ is an applied research lab curating data solutions for foundation model development. We serve every frontier AI lab with the mission of delivering the best data to power the best models. In doing so, we can make expertise that once took a lifetime to build available to anyone who needs it. Our customers are the ones building the foundation models themselves and our work sits directly in the loop of how those systems improve. This is a rare opportunity to join a company at a defining moment in AI. Since raising our $30M Series A at a $300M valuation, AfterQuery has grown well over a $100M revenue run rate. We're based in San Francisco and backed by leading investors including Altos Ventures, BoxGroup, and Y Combinator and angels from Google DeepMind, OpenAI, Anthropic, Meta Superintelligence Labs, and Microsoft AI and are based in San Francisco. AfterQuery is seeking exceptional candidates for our Technical Strategic Projects Intern position. You'll be joining us in SF full-time for the Spring 2026 semester. This is not a typical job - you'll work directly with our co-founder and CEO, Spencer, on high-priority operations and go-to-market initiatives. Key Responsibilities - Help create new expert-generated datasets - Hire and manage small teams of domain experts across high-skilled professional services domains (i.e., doctors, software engineers, quants, lawyers, bankers) - Collaborate with internal teams to drive groundbreaking AI research (i.e., UI-Bench https://www.uibench.ai/, FinanceQA https://arxiv.org/abs/2501.18062) - Help

  • Growth Intern

    San Francisco | OnSite

    onsite Salary not disclosed

    Growth Intern San Francisco | OnSite ABOUT AFTERQUERY AfterQuery https://www.afterquery.com/ is an applied research lab curating data solutions for foundation model development. We serve every frontier AI lab with the mission of delivering the best data to power the best models. In doing so, we can make expertise that once took a lifetime to build available to anyone who needs it. Our customers are the ones building the foundation models themselves and our work sits directly in the loop of how those systems improve. This is a rare opportunity to join a company at a defining moment in AI. Since raising our $30M Series A at a $300M valuation, AfterQuery has grown well over a $100M revenue run rate. We're based in San Francisco and backed by leading investors including Altos Ventures, BoxGroup, and Y Combinator and angels from Google DeepMind, OpenAI, Anthropic, Meta Superintelligence Labs, and Microsoft AI and are based in San Francisco. AfterQuery is looking for creative, driven undergraduate students to join us for the summer as a Growth Intern. You'll help us expand AfterQuery's expert-network, drive on-campus engagement, and launch innovative initiatives that shape the future of AI and startups, all while gaining access to unique incentives and career opportunities. This is a high-agency role designed for students who thrive on building, experimenting, and leading. Who We're Looking For - Rising Seniors and Seniors graduating in Fall 2026, who are eager to dive in and make a mark early in their careers - Experience in Sales,

  • Business Operations Generalist

    San Francisco | OnSite

    onsite Salary not disclosed

    Business Operations Generalist San Francisco | OnSite ABOUT AFTERQUERY AfterQuery https://www.afterquery.com/ is an applied research lab curating data solutions for foundation model development. We serve every frontier AI lab with the mission of delivering the best data to power the best models. In doing so, we can make expertise that once took a lifetime to build available to anyone who needs it. Our customers are the ones building the foundation models themselves and our work sits directly in the loop of how those systems improve. This is a rare opportunity to join a company at a defining moment in AI. Since raising our $30M Series A at a $300M valuation, AfterQuery has grown well over a $100M revenue run rate. We're based in San Francisco and backed by leading investors including Altos Ventures, BoxGroup, and Y Combinator and angels from Google DeepMind, OpenAI, Anthropic, Meta Superintelligence Labs, and Microsoft AI and are based in San Francisco. BUSINESS OPERATIONS AfterQuery is hiring a Business Operations Generalist to work directly with the CEO and the internal Operations team as we scale. You will be a key part of the operational backbone of the company - tackling special projects across the business as they arise and building capabilities that don't yet have a home. You are a utility player: sharp, resourceful, and equally comfortable doing qualitative research, quantitative modeling, and hands-on execution. No task is out of scope. Your job is not to flag problems - it's to diagnose them, build the analysis,

  • Software Engineer - Platform/Applied AI (Fullstack)

    San Francisco | OnSite

    onsite Salary not disclosed

    Software Engineer - Platform/Applied AI (Fullstack) San Francisco | OnSite ABOUT AFTERQUERY AfterQuery https://www.afterquery.com/ is an applied research lab curating data solutions for foundation model development. We serve every frontier AI lab with the mission of delivering the best data to power the best models. In doing so, we can make expertise that once took a lifetime to build available to anyone who needs it. Our customers are the ones building the foundation models themselves and our work sits directly in the loop of how those systems improve. This is a rare opportunity to join a company at a defining moment in AI. Since raising our $30M Series A at a $300M valuation, AfterQuery has grown well over a $100M revenue run rate. We're based in San Francisco and backed by leading investors including Altos Ventures, BoxGroup, and Y Combinator and angels from Google DeepMind, OpenAI, Anthropic, Meta Superintelligence Labs, and Microsoft AI and are based in San Francisco. As one of our core engineers, you'll be critical in creating data infrastructure that will be shaping the future development of frontier models. You will be one of our first hires, and will get a lot of responsibility, owning entire projects end-to-end - meaning you can see your impact instantly. WHY APPLY - Massive Opportunity: We were one of the fastest growing YC companies in our batch, and we believe we can be one of the fastest growing YC companies of all time - Founding role-you'll define and own our data

  • Research Scientist - Frontier Data

    San Francisco | OnSite

    onsite Salary not disclosed

    Research Scientist - Frontier Data San Francisco | OnSite ABOUT AFTERQUERY AfterQuery https://www.afterquery.com/ is an applied research lab curating data solutions for foundation model development. We serve every frontier AI lab with the mission of delivering the best data to power the best models. In doing so, we can make expertise that once took a lifetime to build available to anyone who needs it. Our customers are the ones building the foundation models themselves and our work sits directly in the loop of how those systems improve. This is a rare opportunity to join a company at a defining moment in AI. Since raising our $30M Series A at a $300M valuation, AfterQuery has grown well over a $100M revenue run rate. We're based in San Francisco and backed by leading investors including Altos Ventures, BoxGroup, and Y Combinator and angels from Google DeepMind, OpenAI, Anthropic, Meta Superintelligence Labs, and Microsoft AI and are based in San Francisco. About AfterQuery AfterQuery builds the training data and evaluation infrastructure that frontier AI labs use to make their models better. We work with the world's leading labs to design high signal datasets and run rigorous evaluations that go beyond static benchmarks. We are a small, early team (post Series A) where individual contributors have a direct impact on how the next generation of models learn and improve. The Role You'll design the datasets and evaluation frameworks that shape how frontier models are trained and measured. Working directly with research teams at top

  • Research Scientist - Post Training

    San Francisco | OnSite

    onsite Salary not disclosed

    Research Scientist - Post Training San Francisco | OnSite ABOUT AFTERQUERY AfterQuery https://www.afterquery.com/ is an applied research lab curating data solutions for foundation model development. We serve every frontier AI lab with the mission of delivering the best data to power the best models. In doing so, we can make expertise that once took a lifetime to build available to anyone who needs it. Our customers are the ones building the foundation models themselves and our work sits directly in the loop of how those systems improve. This is a rare opportunity to join a company at a defining moment in AI. Since raising our $30M Series A at a $300M valuation, AfterQuery has grown well over a $100M revenue run rate. We're based in San Francisco and backed by leading investors including Altos Ventures, BoxGroup, and Y Combinator and angels from Google DeepMind, OpenAI, Anthropic, Meta Superintelligence Labs, and Microsoft AI and are based in San Francisco. The Role Your job is to prove that our data works. You will design and run training experiments that isolate the impact of our datasets on model behavior. This includes SFT and RL-based post-training, where you'll measure how different data sources shift capability, generalization, and alignment. Working closely with partner labs, you will turn our datasets into clear, defensible evidence: this data → this improvement → under these conditions. This is experimental, high-leverage work. What You'll Do - Run controlled SFT and RL experiments to measure the impact of our datasets on