Platform Engineer - AI Environments & Agent Runtime
Fleet AI, Inc.
Fleet AI, Inc. is an applied AI company building human-AI collaboration at scale. Our platforms enable fast, verifiable training and evaluation of agents across environments, backed by top investors.
The team owns the agent runtime, environment deployment, and the production infrastructure that powers all environments, with a focus on reliability and scalable architecture. This is a hands-on backend/platform role on-site in New York or San Francisco.
#J-18808-Ljbffr- ...NOW HIRING: SENIOR AI / AGENT PLATFORM ENGINEER Position: Senior AI / Agent Platform Engineer Location... ...role focuses on designing scalable runtime services and distributed systems supporting... ...AI workflows in secure production environments. Must-have Skills 15+ years of...SuggestedFull timeImmediate start
$175k - $260k
...the fastest-growing AI marketing platform, used by 15% of the Fortune... ...one place, alongside agents that carry the load... ...companies. Our Agent Runtime is the execution... ...Build core workflow engine primitives used to orchestrate... ...in a fast, in-person environment Experience...SuggestedWork at officeVisa sponsorship- ...the US. We combine an AI-powered, conversational... ...technical Staff Platform Engineer to lead the platform and... ...secure, multi-tenant runtime that makes delegated AI... ...fully wired, isolated environment. Lead the security... ...whose credentials an agent uses — never the prompt...SuggestedRemote work
- ...Profound is seeking engineers to build the Agent Runtime that powers scalable AI-backed workflows. You will craft core primitives for agents, tools, and dataflows, and own the real-time control plane from streaming to durable state. This is a Rust-first role with strong...SuggestedVisa sponsorship
$163.8k - $306k
...manual and spreadsheet workflows. AI has changed who gets to build... ...At Retool, we're building the platform that makes all of it safe to... ...production. We’re hiring AI Engineers to own that problem end to end... ...alone—it will come from shaping runtime behavior with precision,...SuggestedNight shift- ...Sage Recruiting Inc. is helping a client hire a senior engineer to build the data layer where AI agents run production workloads. You’ll own the Runner, the... ...by design. You’ll design scalable systems, APIs, and runtime components, and guide modernization while mentoring...
- ...We are looking for an Agent Platform Engineer to design and scale the core infrastructure powering AI agents that automate complex healthcare workflows. This is an... ...startups or technically demanding engineering environments. ~ Comfortable using AI coding tools such...
- ...NVIDIA is seeking a Senior Software Engineer to join the NeMo Helix Core team, shaping an open source plugin-based AI platform for agents across local, containerized, and orchestration environments. You will lead architecture, design reviews, and hands-on implementation...Local area
- Helios is hiring a Staff/Senior Software Engineer, Agent Engineering in New York City. You will own and advance the agent runtime powering Proxi’s research, analysis, and action capabilities, ensuring safe tool use, source-grounded outputs, and scalable agent workflows...
- ...Build the harness our AI-native engineering model runs on — local dev, async... ...behavioral test infrastructure, agent-aware CI/CD, and the... ...depend on the accuracy of our platform for their fund reporting... ...into: our current local dev environment cannot run a full agent iteration...Contract workWork at officeLocal areaFlexible hours3 days per week
- ...Capital One is seeking an AI Engineer 4 to join the Gen AI Platform Services team, focusing on Agentic AI, guardrails, evaluation, and memory. You will design, implement, and scale AI-enabled products across Capital One’s platforms, collaborating with engineers, researchers...
- ...Decagon, an in-office AI platform, seeks a senior software product leader to design and build... ..., testing, and monitoring advanced AI agents. You will collaborate with product and design... ...use cases and scalable architectures. Engineers own end-to-end delivery, maintaining...Work at office
- ...Bilt Rewards is seeking a Software Engineer, AI in New York. You will own backend systems powering Concierge across the app, web, and SMS, and guide agent capabilities, runtimes, and integrations with partners. You should have 4+ years building production-grade backend...
- ...Bedrock Ocean is seeking a Staff Platform Engineer to lead our AI architecture, building the infrastructure for AI agents, including orchestration, data and retrieval pipelines, and the security model required to work with production data. This role blends software...
- Hex is seeking senior and staff-level fullstack engineers to join our Agent Platform team, building AI-powered features into our web notebook platform. You’ll work with React/TypeScript on the frontend and Express/Apollo GraphQL on the backend, collaborating with Research...2 days per week1 day per week
$180k - $220k
...to customers through our own platform, and we're scaling toward... ...at a time. We are building AI agents on Amazon Bedrock to support... ...looking for a Staff Platform Engineer to lead our AI architecture.... ...access, throughput, and cross-environment deployment. Manage Retrieval...- Kya is hiring a founding software engineer to build the AI agent platform that powers customer success across real accounts. You’ll own systems end to end—from the agent runtime to memory, retrieval, and evaluation harnesses—and ship production services used by customers...
$166.25k - $260k
...Executive Product Solutions Director Agent Platform Engineer Chief Data & Analytics Office Fusion Platform... ...impact in a fast-paced, collaborative environment. Within the Chief Data & Analytics... ...data governance tooling and AI-for-data capabilities. You will collaborate...Full timeWork at office$145k - $225k
...taste, we’d love to meet you.About the RoleWe're looking for a Senior Software Engineer to join our Director of Engineering building ShopMy's agent orchestration platform: the system our AI agents are built, run, managed, and improved on. Your job is the platform itself...Work experience placementWork at officeImmediate startFlexible hours$150k - $350k
...declining. We’re building agents that run the entire... ...data and workflows. Engineers and CPAs from MIT,... ...our shared technology platform. This is a broad role... ...as well as developing AI agents for workflow automation... ...a scrappy, ambiguous environment You have a high...Work at office$165k - $295k
...Compensation $165,000 – $295,000 · per year · USD The opportunity We're looking for a Software Engineer to build the agent platform that powers materials discovery, from the AI agents that design and run experiments to the applications scientists and customers use to...- ...A robotics startup building a platform that automates how physical, real... ...to test generation to AI-proposed fixes, spanning software... ...'s a novel infrastructure-and-agents problem. Founders : a tight... ...and internal tools that keep engineers and customers moving fast....Full timeWork at office
$130k - $300k
...Great Rewards, and Great Careers. Sr. Staff Software Engineer, AI Agent Platform We are looking for a Sr. Staff Software Engineer with... ...all applicants and associates. GEICO also provides a work environment in which each associate is able to be productive and work...Hourly payWork experience placementLocal area$99.6k - $174k
Senior Full Stack Engineer, AI Platform & AgentsBuild the GenAI platform that powers critical decisions in healthcare, legal, tax, and compliance... ...for rapid development, validation, and deployment of AI agents. We also drive the development of the most impactful AI agents...Full timeWork at officeRemote work2 days per week- ...Netic AI Revenue EngineNetic is the AI revenue engine for essential services who are the backbone of the American... ...our New York location.Build the agent harness: Build systems that run live... ..., and thrive in autonomous work environments.Proven product builder: 4+ years...Work at officeImmediate startSleeping nights
- ...Nodi in New York, NY is seeking a Software Engineer to build the agent platform powering materials discovery. You will design and ship production backends and frontends that run experiments and enable scientists and customers to interact with them. You’ll work across...
- ...ID: REQ8583Platform Engineering owns the end-to-end... ...underpin our live trading environments, to the platforms that keep tens of... ...data services and runtime enablement; anchored... ...acceleration, PaaS and AI-SDLC enablement. Key... ...processes with agents - from code generation...
- ...York City, seeks an experienced engineering leader to own observability tooling... ...evaluation frameworks for voice agents. You will guide a 3-5 person... ...reliability and performance of our AI agent platform in a fast-growing startup environment. You will drive architecture,...
- ...directly with the frontier AI labs building what... ...operate the shared platform that lets our product,... ...infrastructure, improve real engineering workflows, lead... ...You will give them the runtime, delivery, visibility,... ...Define the contracts for environments, compute, state,...For contractors
- As the Lead AI Engineer for our next-generation TCO Agent Platform, you will serve as the technical lead and multi-agent system architect for a greenfield,... ...running within a multi-cloud Google Cloud Platform/AWS environment. You will drive core architectural execution,...
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