Founding Backend Engineer for AI Agent Platform
The Limited
The Company in San Francisco builds the backend systems powering an advanced AI agent. You will develop and operate the backend components that power the agent and its ecosystem, focusing on scalable, well-typed services. You should have shipped distributed systems, strong TypeScript skills, and a passion for AI. Experience with Effect-TS is a plus; you should be willing to learn it. The team values clean abstractions and rigorous typing. #J-18808-Ljbffr The Limited
$150k - $250k
AgentMail (YC S25) is seeking a Founding Engineer in San Francisco to design intuitive APIs and architect high-performance systems. This role requires prior engineering experience and a proven ability to ship software used by real users. The compensation package includes...Suggested- Backbone is building the clinical AI layer for healthcare payments. We are looking for a founding engineer who will own the systems that power our platform: chart ingestion, document processing... ...records. You'll build distributed backend services, orchestration for long-running...PlatformRemote work
$60k - $180k
Join to apply for the Founding Backend Software Engineer role at Rebolt (YC W25) Rebolt is building the next‑generation no‑code platform that empowers companies to create and deploy custom... ...in building a cutting‑edge AI agent platform from 0 to 1 and scale it to...PlatformInternship- A cutting-edge AI startup in San Francisco is seeking a Founding Engineer with 4+ years of backend experience. You will design and scale backend systems, mentor junior engineers... ...industry with innovative solutions. #J-18808-Ljbffr Loop AI - Delivery Intelligence PlatformPlatform
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$85 per hour
...creative and technical talent with leading AI research labs. Headquartered in San... ..., and Jack Dorsey . Position: Backend Engineer (Coding Agent Experience) Type: Contract... ...distributed systems, microservices, backend platforms, or databases. ~ Regular use of AI...PlatformContract workSummer workRemote work- ...Job Openings Lead Founding Backend Engineer (Node, Python, React, AI/ML) - Startup Experience About the job Lead Founding Backend Engineer (Node, Python... ...intelligence network a new kind of consumer social platform powered by AI. Our mission is to transform AI from a...Platform
- A fast-growing AI startup is seeking a Specialist Recruitment Consultant... ...working closely with the founding team in the San Francisco Bay... ...robust performance of the AI agents. The ideal candidate has over... ..., and familiarity with LLM platforms. Expect deep technical responsibility...Platform
- A pioneering AI infrastructure company in San Francisco is seeking a Founding Engineer to shape its product and engineering culture. You... ...work on building scalable backend infrastructure, collaborating... ...development, particularly with AI agents and distributed systems. This...Platform
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- Founding Engineer, Backend & Infrastructure About Backbone Care should be paid for the moment it’s delivered... ...first time by building the clinical AI layer for healthcare payments. Today,... ...providers, and healthcare technology platforms in the country. Our founder/CEO, Manan...Platform
$140k - $180k
Our client, an early-stage AI Startup, is hiring a Founding Engineer to join their team in San Francisco. The successful... ...scaling a multi-tenant, AI-native platform, from building the semantic foundation that allows autonomous agents to interpret data and taking action...PlatformFull time- Socket.dev is hiring founding Members of Technical Staff to build AI agents central to our platform. You will work closely with founders and government experts, owning projects from prototype to production and shaping how the team uses AI to read and act on unstructured...Platform
$200k - $250k
A fast-growing AI company in San Francisco seeks a Founding Engineer to architect and build core systems that power precision outbound for startups. Ideal candidates have 1-6 years of experience, strong full-stack expertise especially in TypeScript, React, Next.js, and...Platform- Traba is seeking an experienced Senior Applied Agent Engineer in San Francisco to join their founding team. You will build an agentic platform that enhances supply chain operations, focusing on data synthesis and customer integration. The ideal candidate possesses 5+ years...Platform
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- ...Join SignalFire’s Talent Network for Founding Back-end Software Engineer Roles at VC-Backed Startups This is... ...spans 200+ innovative companies across AI, cybersecurity, healthtech, fintech,... ...to connect with exceptional Founding Backend Engineers who are excited about...Full time
$125k - $150k
...Lumafield: Lumafield was founded in 2019 to upgrade manufacturing. We are engineers with deep experience... ...products, as well as AI-driven tools that highlight... ...Our company, like our platform, is designed for... ...: On Lumafield’s Backend team, you work on the core...PlatformFull timeWork at officeWork visaFlexible hours- ...a long-term career. Job Title: Founding Infrastructure & Reliability Engineer Location | On-Site — San Francisco... ...technical team at a fast-moving AI video infrastructure startup. The company... ...infrastructure or high-throughput backend systems - Strong debugging...
$215k - $290k
Get AI-powered advice on this job and more exclusive features... ...communicates. Our AI voice agents are reshaping sales,... ...startups at About the Role As a Founding Senior Backend Engineer, you’ll shape the core... ...architecture for Retell's platform, such as prompt orchestration...PlatformFull timeInternshipWork at officeWork from homeVisa sponsorshipFlexible hours- ...Description Job Description We are hiring a Founding Software Engineer in San Francisco. We are building a... ...engineering archetype at Unsiloed AI and set the ceiling for the team.... .... Architect, build, and scale core backend systems powering document intelligence...
- ...governments interact around the world. Our AI platform matches companies to government... ...capabilities they want to buy. You will be our Founding Engineer for building the pipeline to make... ...looking for Knows how to build AI Agents and utilize LLMs effectively Has...PlatformFull timeContract workWork at office
$140k - $190k
...siteLoft Orbital is looking for a Backend Engineer to join our Mission... ...work across multiple satellite platforms and collaborate closely with... ...culture we enjoy.Who We Are: Founded in 2017, Loft provides governments... ..., IoT connectivity, on-orbit AI, national security missions,...PlatformFull timeLocal area$150k - $300k
...clean Markdown and JSON that AI agents and LLMs can reliably work with... ..., legal, and healthcare. Founded 2024 · 1–10 people (Seed) ·... ...The Role A Founding Software Engineer based in San Francisco, building... ...-dense team. The role is backend- and infrastructure-heavy: own...Full timeH1bWork at officeVisa sponsorship- ...client is building the AI-enabled infrastructure... ...deserves an all-star talent agent helping them plan,... ...and maintain scalable backend services to help us serve... ...Collaborate with frontend engineers to design and implement... ...as a founder or founding engineer is highly preferred...Full timeContract workWork experience placementWork at officeImmediate start
$150k - $245k
...payments and financial platform for global businesses.... ...a global scale.Proudly founded in Melbourne, we have a... ...done” end-to-end. You use AI to work smarter and... ...tool-agnostic, and expect engineers to own problems end-to-... ...the RoleAs a Senior Backend Engineer, you’ll help design...PlatformTemporary workLocal areaWorldwide$140k - $190k
...?Loft Orbital is looking for a Backend Engineer to join our Oort team. Oort is our central web platform—a unified environment that consolidates... ...We AreLoft: Space Made Simple. Founded in 2017, Loft provides... ...observation, IoT connectivity, on-orbit AI, national security missions,...PlatformFull timeTemporary work- ...seeking an experienced Product Manager to join our Agents team. This unique role focuses on building a cutting-edge agentic platform for supply chain workflows, integrating deeply... ...spirit, have a strong background in AI product development, and possess the ability to...Platform
$231k - $318k
...a technology wholesale platform built on the belief that... ...less like a search engine and more like a trusted... ...recommendations, and Gen-AI experiences that drive... ...experience in high-performance backend systems, Protocol... ...and success.Faire was founded in 2017 by a team of early...PlatformWork experience placementWork at officeLocal areaRemote workMonday to FridayFlexible hours3 days per week
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