Design, build, and maintain large-scale crawling, indexing, ranking, and retrieval systems.
Improve search performance by reducing latency, optimizing costs, and increasing reliability as usage grows.
Own engineering projects end-to-end, from architecture and implementation to deployment, monitoring, and continuous improvement.
This company builds large-scale web search and AI-driven data retrieval infrastructure. They are a fast-moving, highly technical team with a focus on production systems and immediate impact.
Own and drive the quality, reliability, and evolution of AI systems in production across multiple products.
Design and orchestrate agentic AI workflows, tool-based systems, and multi-step LLM chains with clean tool contracts.
Manage production prompt systems, run A/B experiments, and monitor AI system metrics using Langfuse and other observability tools.
Ruby Labs is a leading tech company that creates and operates innovative consumer products across health, education, and entertainment. The company has a fast-growing, ambitious team with a high-performance culture.
Design and build crawling, indexing, and retrieval systems for Firecrawl Search at scale.
Push down latency and cost per query while improving ranking quality for LLMs.
Own services end-to-end from design to production with a focus on speed and iteration.
Firecrawl provides the easiest way to convert web content into clean, LLM-ready data for AI agents. With 147k+ GitHub stars and rapid growth to 8-figure ARR, we are a small, fast-moving team building infrastructure that other AI companies rely on.
Define the multi-quarter vision and strategy across Machine Learning & Recall and Query teams.
Drive query intelligence and advance recall systems to improve search-attributed conversion and revenue.
Build evaluation frameworks and optimize ML performance trade-offs for low-latency production.
Constructor provides product search and discovery solutions for large retailers, serving billions of requests weekly. The company is a remote-first, growing team of technologists that values empathy, openness, and continuous improvement.
Design and deploy autonomous AI agents to automate construction and estimation workflows.
Build agentic AI workflows using LLM frameworks such as LangChain, LangGraph, and Claude Code.
Integrate AI applications with cloud platforms and optimize system performance for scalability and reliability.
The company develops AI-driven solutions for construction and estimation workflows. It is a stable and growing organization that values continuous learning and innovation.
Design precise grading criteria for technical sales deliverables.
Evaluate AI-generated and human-produced work against defined criteria.
Apply evidence-based scoring and detailed justifications to ensure consistency.
The company is a technology partner specializing in AI system evaluation and training. It operates with a remote, asynchronous team and emphasizes collaboration and professional calibration.
Develop and execute a comprehensive content strategy for organic growth, focusing on SEO and AI search optimization.
Create high-quality blog content, long-form guides, and landing pages targeting high-value keywords and user intent.
Monitor brand visibility across AI-powered search experiences and refine content strategies using data and analytics.
The company is a fast-growing consumer brand that builds authoritative content for search engines and AI platforms. It operates with a remote-first, collaborative, and entrepreneurial culture, offering significant ownership and creative freedom.
Build scalable Python services and AI platform components deployed in cloud environments.
Our partner is a technology company developing advanced agentic AI platforms for enterprise automation. They foster an inclusive, remote-friendly culture with a focus on innovation and collaboration.
Evaluate AI-generated documents, spreadsheets, and presentation decks against quality rubrics.
Identify factual, formatting, visual, and structural issues in professional deliverables.
Provide clear, structured feedback to enhance AI output quality and consistency.
This partner company specializes in AI training and evaluation, focusing on improving the quality of AI-generated professional content. Operating as a remote and asynchronous team, they value precision, collaboration, and independent work.
Design, develop, and deploy production-ready generative AI and machine learning applications.
Collaborate with cross-functional teams to integrate AI capabilities into business systems.
Apply prompt engineering, retrieval-augmented generation, and evaluation strategies to optimize AI performance.
The company is a technology firm specializing in AI transformation initiatives. It fosters a collaborative culture centered on learning, innovation, and professional development.
Design, build, and own agentic systems that produce client-ready financial deliverables from data ingestion to polished output.
Build evaluation and quality systems for generated deliverables, including deterministic checks and model-judged review.
Turn proprietary data into evidence-backed insight by building pipelines that discover and verify patterns.
Farsight is the agentic AI platform for financial services, helping investment banks and private equity firms automate nuanced workflows. The team comes from leading financial institutions and tech companies, focusing on hiring the best to become the best.
Design and build advanced AI-powered systems including autonomous agents and generative AI capabilities.
Lead architecture and implementation of intelligent systems that improve digital learning experiences.
Collaborate with cross-functional teams to bring AI solutions from concept to production.
The company builds AI-powered digital learning platforms that transform educational experiences. They serve millions of learners and educators with a focus on responsible AI and inclusive culture.
Evaluate AI-generated customer support materials against quality rubrics.
Review documents, spreadsheets, and presentations for accuracy and consistency.
Provide structured feedback to improve AI system performance.
The company is a partner firm specializing in AI system development and evaluation. It operates remotely with a focus on professional expertise and flexible contract work.
Define and execute a product roadmap for Search, aligned with Yelp's business objectives and industry trends.
Lead development of Search products from conception to launch, leveraging data-driven insights and algorithm optimization.
Collaborate with engineering, design, and data science to deliver exceptional products and drive consumer engagement.
Yelp is the ultimate guide to local living, connecting people with great businesses in their neighborhoods. With hundreds of millions of users and a vast business ecosystem, Yelp fosters a culture of innovation and collaboration.
Develop difficult, novel tasks for models that challenge growing time horizons.
Conduct quality assurance to ensure tasks are solvable and appropriately scoped.
Baseline and score tasks within your domain of expertise for AI or human performance.
METR is a nonprofit research organization developing scientific methods to assess AI capabilities, risks, and mitigations, focusing on catastrophic AI risk evaluations. It is a mission-driven, tight-knit team with a low-ego, collaborative culture committed to high-quality, trustworthy science.
Lead, mentor, and grow a team of engineers building AI solutions.
Drive planning, execution, and delivery of production-ready agentic AI applications.
Partner with Product and Platform Engineering to prioritize work that delivers measurable customer value.
Legion builds secure, reliable AI systems for government and enterprise, born from a Department of Defense partnership. They are backed by partners like Palantir, Nvidia, HPE, and Oracle, and foster a culture of bold thinking and collaboration.
Own and drive three pillars: App Store Optimization, Search (SEO), and AI visibility, with a focus on clicks.
6–7 years of experience in SEO, ASO, or search marketing, with fluency in AI-driven trends.
Work remotely from Europe, enjoy flexible salary and stock options, and collaborate closely with design and engineering teams.
SimpleStudy is a consumer AI platform that helps students stay motivated to study subjects from Biology to Art. Our small team has helped over 1.5 million students worldwide and we are remote-first with a Lisbon office, having raised $4M from investors like Strava, OpenAI, and Meta.
Review search results and evaluate their relevance to user queries
Answer true/false questions about content quality
Rate search results based on guidelines to improve AI systems
Welo Data provides AI services and data validation to improve search engine and AI systems. They are a remote-first company with a focus on quality and support for their contractors.
Evaluate AI-generated data science deliverables, including exploratory analyses, statistical models, and machine learning pipelines, for technical quality and rigor.
Design precise grading criteria and provide detailed, evidence-based assessments to distinguish rigorous analysis from flawed work.
Apply your expertise in Python, SQL, and experimentation to improve the reliability and performance of AI systems.
Evolving the AI knowledge platform with retrieval, indexing, and synthesis layer for organization-wide use.
Architecting and operating agentic infrastructure on AWS for multi-step AI systems.
Designing graph-based retrieval across data sources for multi-hop queries.
ShiftKey is a healthcare workforce marketplace that connects facilities with licensed professionals to fill shifts, mitigating staffing shortages. The company is in a high-growth phase with a friendly and engaging work environment.