Agent Harness Engineer - Build Core AI Orchestration
cursor
Cursor is seeking a Software Engineer to join their Agent Harness team in New York. You will develop core agent capabilities that influence user experiences across Cursor products. This role includes advancing agent harness projects and improving the default agent experience. Ideal candidates have a strong foundation in software engineering, enjoy creating complex products, and have insights into model and agent behaviors. This position offers an opportunity to make significant contributions in the evolving field of coding automation. #J-18808-Ljbffr cursor
- Goaly is seeking an AI Researcher to lead research on agentic AI, focusing on training specialized models and building orchestration stacks. You'll design experiments, publish results, and advance the field. Ideal candidates have a Ph.D. or Master's in relevant fields,...Suggested
$350k
...focused on solving core bottlenecks that... ...frontier AI R&D across scientific... ...possible. We are building a frontier AI research... ...researchers and engineers from Anthropic,... ...innovate on the agent harness: agent loop architecture... ...Design orchestration systems for horizontal...Suggested$300k
...partnering with a YC-backed AI-native FinTech focused... ...customers a month. The engineering team is scaling now, and... ...looking for someone to build out the harness infrastructure that all the AI Agents will run on. This role gives you ownership of core infra for AI agents, spanning...Suggested$200k - $400k
...conversational AI platform empowering... ...to deploy AI agents that power... ...channel. We’re building a future where... ...Team The Agent Orchestration team builds the... ...users. At the core of this work is the agent harness: the routing, execution... ...frontier‑style engineering. The team...SuggestedFull timeWork at officeLocal area- Menlo Ventures is looking for a Senior Software Engineer to join Hover in San Francisco. In this role, you will leverage AI and 3D data to reshape how properties are... ..., and design teams, you'll be instrumental in building scalable services and reusable platform capabilities...SuggestedWork at office
$230k - $385k
Slope is hiring an AI Systems Engineer in San Francisco. This position focuses on designing and building core agent systems for Codex, improving observability and efficiency in operations. The role demands expertise in production systems and a solid grasp of Rust and Python...- Axiom is building a compounding ecosystem to replace animal... ...a data and agentic harness to power ML research. You... ...models into reliable agents, and you’ll work with domain... ...is a hands‑on role for engineers who ship clean,... ...state‑of‑the‑art methods in AI #J-18808-Ljbffr Axiom
$1,690 per week
...the only vertically integrated AI infrastructure company built... ...Crusoe, you join a team that is building the future, faster. We're in... ...production-ready MVP Chief-of-Staff AI agent. You will move from process... ..., Data Analytics, Industrial Engineering, or a related quantitative...Hourly payFull timeSummer workInternshipWork at officeDay shift- ...startup in San Francisco is seeking a Founding Engineer to join their team. In this role, you'll take ownership of building and scaling backend systems using Python and TypeScript... ...an opportunity to grow into leadership as the company scales. #J-18808-Ljbffr Weekday AI (YC W21)Weekday work
- AI Chopping Block, Inc. is seeking an AI Systems Engineer to join the Codex Core Agents team. The successful candidate will design and build the core agent harness, enabling Codex agents to execute tasks safely and effectively. Ideal applicants will have experience in production...
- A leading AI research and deployment firm in San Francisco is seeking an Agents Product Manager to shape how developers build agentic applications using AI models. You will prioritize improvements to infrastructure and collaborate closely with teams to deliver high-quality...Relocation package
- Senior AI Architect - Multi-Agent Systems & Platform Infrastructure Senior AI Architect - Multi... ...To: Director of AI Systems & Orchestration / Head of Engineering Seniority: Senior-Level (Hands-On... ...About Nivalto + AURA Nivalto is building AURA — the world’s first fiduciary...Full timeWork at officeRemote work
- Harper is seeking a Staff Engineer, Harness Engineering in San Francisco to drive the development of innovative AI harnesses. You'll work closely with a team dedicated to redefining... ...development, particularly in creating agent harnesses. The position entails significant...
- A cybersecurity technology company in San Francisco seeks an Agent Engineer to design, build, and deploy mission-critical AI agents. You will work directly with customers to adapt our platform and solve complex challenges, owning projects end-to-end. Ideal candidates will...
$187k - $264k
...Member of Technical Staff in San Francisco to focus on building innovative agent-loop primitives and advanced harness infrastructure. The role demands strong software... ..., aimed at enhancing the performance of our AI-driven operations. Candidates should have a robust...$140k - $200k
A dynamic software company in San Francisco is seeking a Mid-Senior Software Engineer to design and build user-facing products. Collaborating with founders, you will shape the product and infrastructure using tools such as React and Node.js. Ideal candidates have 3+ years...Full time$150k - $250k
Terranox AI in San Francisco is seeking a Machine Learning Engineer to be their first dedicated hire in this field. This role involves building ML systems from the ground up, focusing on computer vision models trained on messy data. The ideal candidate will have over 5...Remote job$250k - $375k
Senior Software Engineer, Agent Orchestration Decagon is a leading conversational AI platform that empowers every brand to deliver concierge customer experience.... ...About the Team The Agent Orchestration team builds the core execution layer that powers every agent interaction...Full timeWork at office- Decagon in San Francisco is seeking a Senior Software Engineer for the Agent Orchestration team to design and build the systems that govern how Decagon agents operate in real‑world environments. You will own complex distributed runtimes, model orchestration, and experimentation...
- Cascade is seeking a Founding Engineer in San Francisco to own end-to-end features of the core AI orchestration platform. You will work closely with the founding team to shape technical architecture and product culture while delivering solutions for top architectural and...
- hackajob is seeking a Product Manager to spearhead the development of Agent Studio, a critical environment for building AI agents. In this role, you will define the agent building experience, ensuring user-friendly transitions from ideas to implementation. You will oversee...
- ...pioneering influencer marketing firm in San Francisco seeks a technical leader to develop AI agents that enhance the influencer marketing landscape. This role demands expertise in building scalable systems, integrating APIs, and applying advanced AI techniques. The...
$215k - $230k
...company that’s on a mission to build a safer world for billions... ...change our trajectory. The AI Engineering Team is chartered with enabling... ...‑edge tools in the LLM and agent space — including open‑... ...evaluation frameworks, and orchestration tools that unlock TRM’s ability...Local areaRemote work$250k
Acceler8 Talent is hiring engineers in San Francisco for a rapidly growing AI startup focused on building and deploying production AI systems. The team is deploying multi-agent AI systems and large-scale automation platforms, requiring strong engineering fundamentals and...- ...You're genuinely cracked at AI agents. You build agentic systems that... ...— and you wield AI coding harnesses (Claude Code, Cursor, etc.... ...calling, RAG, prompt & context engineering, MCP, and evals * Fluent... ...* Multi-agent orchestration or developer-tooling / harness...Full timeRemote work
- ...leading blockchain intelligence company in California is looking for a skilled AI Engineer to develop next-generation AI applications. You will architect agentic frameworks and build modular agents that enhance investigative tasks. The ideal candidate has a strong...
- BayOne Solutions seeks a hands-on AI Engineer in San Francisco, CA, who is deeply familiar with today's frontier AI models and tools like Claude Code and Codex. In this role, you will build and maintain workflows, develop MCP servers, and integrate models into applications...
- Role Title: Principal AI Engineer (LLM Agents & Orchestration) Focus: Building Autonomous "Super Agents" Who We Are ImagineArt is redefining the future of digital... ...expected in production. Technical Requirements Core Stack: Deep proficiency in Python (or TypeScript)...
$293k - $385k
About the Team The Cloud Agents team builds product infrastructure... ...agents in the cloud: orchestration, sandboxing and... ...experienced software engineer to help build and scale... ...About OpenAI OpenAI is an AI research and deployment... ...and human needs at its core, and to achieve our...Internship- ...Partners is connecting talented engineers with multiple early-stage... ...develop the next generation of AI-native systems. Successful candidates... ...will design end-to-end agent systems that navigate complex... ...innovators with experience in building production systems and addressing...
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