Senior Backend Software Engineer, AI Observability & Evals Platform (LangSmith) LangChainSenior Backend Software Engineer, AI Observability & Evals Platform (LangSmith)San Francisco, CaliforniaToday, our platform includes LangSmith (Observability, Evaluation, Deployment, Fleet, and Sandboxes), our open source frameworks (LangChain, LangGraph, and Deep Agents), and the newly launched LangSmith Engine for autonomous agent improvement. With $125M raised at Series B from IVP, Sequoia, Benchmark, CapitalG, and Sapphire Ventures, we’re at a stage where we’re continuing to develop new products, growth is accelerating, and all team members have meaningful impact on what we build and how we work together.
AI Research Resident PolymathAI Research ResidentSan Francisco, CaliforniaThis will require 1) identifying failure modes in frontier models, 2) developing rigorous benchmarks that evaluate how well frontier agents perform on complex, realistic tasks requiring long-horizon reasoning and tool use in dynamic environments, and 3) training autonomous agents that can reason, plan, and act over extended time horizons. We’re looking for talented researchers currently enrolled in MS / PhD programs to collaborate on a research project focused around frontier benchmarks and environments for long-horizon AI agents .
Senior Fullstack Engineer, AI Observability & Evals Platform LangChainSenior Fullstack Engineer, AI Observability & Evals PlatformSan Francisco, CaliforniaToday, our platform includes LangSmith (Observability, Evaluation, Deployment, Fleet, and Sandboxes), our open source frameworks (LangChain, LangGraph, and Deep Agents), and the newly launched LangSmith Engine for autonomous agent improvement. With $125M raised at Series B from IVP, Sequoia, Benchmark, CapitalG, and Sapphire Ventures, we’re at a stage where we’re continuing to develop new products, growth is accelerating, and all team members have meaningful impact on what we build and how we work together.
FullStack Engineer, AI Observability & Evals Platform (LangSmith) LangChainFullStack Engineer, AI Observability & Evals Platform (LangSmith)San Francisco, CaliforniaToday, our platform includes LangSmith (Observability, Evaluation, Deployment, Fleet, and Sandboxes), our open source frameworks (LangChain, LangGraph, and Deep Agents), and the newly launched LangSmith Engine for autonomous agent improvement. With $125M raised at Series B from IVP, Sequoia, Benchmark, CapitalG, and Sapphire Ventures, we’re at a stage where we’re continuing to develop new products, growth is accelerating, and all team members have meaningful impact on what we build and how we work together.
Applied AI Engineer SafetyKitApplied AI EngineerSan Francisco, CaliforniaYou’ll manage our model alpha program with OpenAI, and work directly with their research and product teams to discover unknown capabilities in new models. Scope and implement entirely novel applications of AI agents (adversarial webcrawling, weapons identification, red-teaming, ingredient extraction, etc.).
AI Engineer, Product Brex Inc.AI Engineer, ProductSan Francisco, CARemote$171,000–$240,000 / yearYou'll partner closely with the engineers driving each - translating ambiguous product requirements into shipped features, pushing back when the design isn't right, and treating the seam between agent reasoning and human workflow as a first-class product surface. You'll design and ship the workflows, surfaces, and data flows that turn the agent's output into something a reviewer can trust and act on - from the reviewer experience itself, to the contracts with Brex's financial system of record, to the feedback loops that make the agent better over time.
Staff AI Engineer, Data Analytics & Modeling - Office of the CTO SonatusStaff AI Engineer, Data Analytics & Modeling - Office of the CTOSunnyvale, CaliforniaThe pay offered to a selected candidate will be determined based on factors such as (but not limited to) the scope and responsibilities of the position, the qualifications of the selected candidate, departmental budget availability, geographic location and external market pay for comparable jobs. Sonatus is seeking a highly motivated Staff AI Engineer with expertise in data analytics and modeling to build AI-based software for next-generation AI-driven software-defined vehicles.
AI Product Manager AuxiaAI Product ManagerPalo Alto, California150,000 - $225,000 a year We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. You will work alongside our Forward Deployed Engineer to guide clients through solution design, implementation, and optimization phases, ensuring that every engagement delivers measurable impact.
AI Product Engineer Tavrn.aiAI Product EngineerSan Francisco, CaliforniaAs a Product Engineer, you'll be instrumental in designing, developing, and refining AI-driven software solutions, playing a key role in driving innovation and product excellence. Collaborate closely with sales and engineering to understand customer needs and translate them into innovative technical solutions.
Head of PK/PD Consulting & AI Solutions InsightRXHead of PK/PD Consulting & AI SolutionsSan Francisco, CaliforniaRemoteAs part of our broader Apollo-AI strategy, this role is central to showing how agentic, LLM-powered workflows can enhance and streamline quantitative decision-making across the drug development lifecycle. We’re looking for someone who is both technically strong and commercially oriented—capable of executing high-quality analysis work, building relationships, and scaling a new services organization.
Founding US Account Executive - Agentic AI Recruiting From ScratchFounding US Account Executive - Agentic AISan Francisco, CaliforniaThis innovative firm is dedicated to transforming the HR landscape with next-generation software that enhances efficiency and collaboration for businesses globally. Join a forward-thinking team and contribute to the evolution of enterprise software solutions in a rapidly growing industry.
Senior Fullstack Engineer, AI Recruiting From ScratchSenior Fullstack Engineer, AISan Francisco, CaliforniaBy enabling seamless synchronization between data warehouses and essential organizational tools, our client helps companies leverage their data effectively, resulting in faster, more personalized marketing and improved operational efficiency. Collaborate closely with product, design, and data engineering teams to translate complex requirements into intuitive, scalable user experiences.
Member Of Technical Staff (Software Engineer, Applied AI) Perplexity AIMember Of Technical Staff (Software Engineer, Applied AI)San Francisco, CAOwn the entire model lifecycle from research to production: data analysis, modeling, evaluation, offline/online A/B testing, and iterative improvement and build autonomous harness for agent squad to explore different problem spaces. Strong software engineering skills (Python, production-quality codebases, collaborative development) and experience using agentic coding tools for large scale parallel developments.
Staff AI Inference and Acceleration Engineer FigureStaff AI Inference and Acceleration EngineerSan Jose, California$180,000–$275,000 / yearYou will be the technical authority on how AI workloads are mapped, optimized, and executed across the robot’s compute hardware — driving down power consumption and cost while meeting the strict latency and reliability demands of a real-time autonomous system. Own the on-board inference architecture — mapping models to available accelerators (NPU, GPU, DSP, CPU) based on latency, power, and memory budgets.
Head Of Pk/Pd Consulting & AI Solutions InsightRXHead Of Pk/Pd Consulting & AI SolutionsSan Francisco, CARemoteAs part of our broader Apollo-AI strategy, this role is central to showing how agentic, LLM-powered workflows can enhance and streamline quantitative decision-making across the drug development lifecycle. We're looking for someone who is both technically strong and commercially oriented-capable of executing high-quality analysis work, building relationships, and scaling a new services organization.
AI UI/UX Developer EvolutyzAI UI/UX DeveloperSunnyvale, CASummary: Located onsite in Santa Clara, CA, this 6 12 month contract position involves designing AI agent interfaces and human-in-the-loop workflows for Syra Assistant and other agentic products. The candidate will conduct user research, usability testing, and iterate based on feedback to improve AI interaction patterns, while building and maintaining UI component libraries to ensure design and development consistency across the platform.
AI Software Engineer, Growth PalonaAI Software Engineer, GrowthLos Altos, CaliforniaThis role builds the technical growth system that helps the right restaurant owners, operators, franchise leaders, and technology buyers discover Palona, understand its value, experience the product, and become qualified opportunities. You will work across the public website, landing pages, demos, calculators, content systems, marketing and sales integrations, and the data pipelines that connect acquisition to revenue.
NewAI Software Engineer, Product PalonaAI Software Engineer, ProductLos Altos, CaliforniaOur stack includes Python and FastAPI services, PostgreSQL, TypeScript, React and Next.js applications, real-time voice agents built with LiveKit, cloud infrastructure on AWS, and modern LLM, speech, and multimodal providers. Depth in either Python/backend engineering or TypeScript/React frontend engineering, plus the ability and desire to work effectively across the full stack.
NewSoftware Engineer - AI Enablement & GitHub Copilot for Eclipse Advantest CorpSoftware Engineer - AI Enablement & GitHub Copilot for EclipseSan Jose, CAYou will work on SmarTest-specific requirements, implement new functionality, resolve integration issues and collaborate with internal development teams and external technology partners to provide reliable and productive AI-assisted development experience for our customers. The role connects the established Eclipse-based SmarTest development environment with rapidly evolving AI technologies and ensures that solutions such as GitHub Copilot meet SmarTest-specific requirements regarding functionality, quality and usability.
Lead Cloud Data Engineer – Data Mesh & AI Software Guidance & AssistanceLead Cloud Data Engineer – Data Mesh & AISan Francisco, CA$90 / hourData Engineering & Pipeline Development Develop and maintain end-to-end ETL/ELT pipelines for data ingestion from multiple sources (databases, APIs, streaming), transformation, quality validation, data modeling, and consumption layer optimization using AWS services (Glue, EMR, Lambda, Kinesis, Step Functions). AI-Augmented Development Design and build agentic AI solutions, RAG pipelines, and intelligent automation using LLMs, orchestration frameworks, and AI-powered development tools (Copilot, Claude Code) to enhance platform capabilities and accelerate SDLC.