Founding Software Engineer - AI/LLM Platform
HMBL
A leading tech recruiting firm in San Francisco is seeking a Founding Software Engineer for an early-stage AI & LLM startup. You will contribute to innovative technology development using Python and web frameworks like Django. The ideal candidate should have over 3 years of experience in web services, database optimization, and a Computer Science degree. This role values ownership and impact on projects, offering a unique opportunity to shape the direction of the company. #J-18808-Ljbffr HMBL
$160k - $210k
...admin, not patients. We're building an AI-native platform to fix that, and 80+ practices are... ...on it. THE ROLE This is a true founding-engineer seat. You'll work directly with therapists... ...loops - not just wrappers around an LLM API. If your only AI experience is using...PlatformRelocation package- ...Job Description About the Role We're building an AI motion design platform and this is our founding engineering hire. You'll work closely with the founders to... ...architecture design. Build and optimize agentic LLM systems incorporating tool-calling, multi-step reasoning...PlatformWork at office
€90k - €140k per year
...An early-stage B2B SaaS startup building an AI-native procurement intelligence platform is looking for a Founding Product Engineer . The company is replacing fragmented, manual... ...backend services to prompt engineering and LLM integration. Prototype rapidly and...PlatformRemote work$175k - $250k
Founding Software Engineer About Scorecard Scorecard is building the leading evaluation and development platform for AI agents. Our mission is to empower cross-functional teams to ship AI products... ...libraries [Bonus] Skills in LLM development (OpenAI, LangChain, etc....PlatformWork at officeDay shift- Founding Senior Software Engineer (SF In-Person Preferred) About Hyperscale Hyperscale is building the AI-native intelligence layer for physical operations... ...Hyperscale's agentic AI platform. You'll work directly with... ...patterns - not just integrating LLM APIs, but architecting...PlatformWork at office
$120k - $160k
...Founding Engineer For Airweave's Data And Infrastructure We're looking for a founding... ...Airweave, you'll build and operate the platform that thousands of AI agents depend on. That means... ...sources, vector databases powering LLM search, and the orchestration layer...Platform- ...Founding Software Engineer As a Founding Software Engineer, you'll have end-to-end ownership over projects pushing the frontier of AI evaluation. This isn't a narrow role. One week you might prototype... ...and scaling an AI interviewer platform to handle tens of thousands of...PlatformWork at officeVisa sponsorship
- ...Founding Software Engineer - TruTec About TruTec TruTec is an AI-powered construction takeoff platform that is revolutionizing a $17 billion industry . We automate the tedious, manual process of site measurement and material estimation—turning hours or days of...PlatformFor contractorsInternship
$150k - $250k
...in healthcare by building an AI-driven platform that streamlines caregiving... ...This isn’t just better software. It’s infrastructure that wasn... ...hiring a full-stack software engineer to help shape the future of... ...AI technologies, including LLM and AI voice applications...PlatformNight shift$148.5k - $223.9k
...efforts. Job Category Software Engineering Job Details... ...Salesforce is the #1 AI CRM, where humans with... ...Einstein GPT Team within AI Platform is building platform... ...needed to spearhead LLM technology to support... ...company benefits can be found at the following link:...Platform- B Capital is seeking a backend Software Engineer to join the Einstein GPT Team in San Francisco. You will be building platform services for LLM technology supporting CRM cloud applications,... ...preferably in Java, and are proficient in AI tools, cloud infrastructure, and APIs....Platform
- We're building the AI workforce for the physical... ...founder Obaid Khan co-founded Motive — scaled it to... ...build the core agent platform that automates complex... ...on all three. Set the engineering bar. Early team decisions... ...shipping production software, with meaningful full-...Platform
- ...DevOps Engineer (Founding Team) Location: San Francisco Bay Area Type: Full-Time... ...the Role We're building an AI-native, multi-tenant enterprise platform for complex domains in industrial... ...Capabilities: Experience running LLM orchestration frameworks (e.g....PlatformFull timeImmediate start
$150k - $220k
...in the people-data and AI agents space is looking for a high-agency Founding Engineer to build core agent infrastructure... ...and help scale the platform toward a Series A... ...including APIs, LLM-powered workflows, web... ...full-stack or backend software engineering. Proficiency...PlatformRelocation- ...before. You're building the platform that makes that happen. About the role This is a founding engineering role. You'll own entire systems... ...pipelines that power Navi's AI, the interfaces instructors and... ...you 5+ years of professional software engineering experience, with...PlatformLive in
$140k - $200k
Founding Software Engineer #1 San Francisco | Engineering | In office | Full-time Why Dalus Exists At Dalus, we’re building AI-powered software to reimagine how complex hardware systems are designed... ...teams. We’re changing that. Our platform makes hardware development faster...PlatformFull timeWork at officeWeekend work$160k - $210k
...leading investors, the team is building an AI‑powered platform to make pediatric therapy more... ...launch support, insurance, marketing, and software — so therapists can focus on what... ...Role Overview The company is hiring a Founding Engineer (Full‑Stack) to work in‑person, 5...PlatformPrivate practiceWork at officeVisa sponsorshipRelocation package$230k - $300k
...candidates. Title of Role: Founding AI Engineer (Agentic Systems / Full-... ...that assist users, their platform is designed to replace operational... ...~3-10 years of software engineering experience ~ Proven... ...environments ~ Deep understanding of LLM limitations (hallucination,...PlatformWork at officeImmediate start3 days per week$180k - $250k
Founding AI Engineer (Agentic AI + Reinforcement Learning) Stealth AI Startup - AI for Semiconductor... ...Customers This isn’t another “LLM wrapper” job. We’re working with a stealth... ...reduce those workflows to minutes. The platform captures how the best silicon engineers...PlatformH1bImmediate start- ...a VC-backed industrial AI startup in San Francisco, seeks a Founding Fullstack Engineer to build foundational infrastructure... ...for an AI-native platform. You will own end-to-end features, from LLM-powered data pipelines... ...years of experience in software engineering,...Platform
$150k - $185k
Early-career founding AI role for a recent graduate or engineer with roughly two years of experience... ...gets captured. The software that was supposed to fix... ...purpose-built, AI-native platform that doesn't just automate... ...regression suites, the LLM‑as‑judge rubrics. This is...PlatformFull timeInternshipWork at office- ...the team We’re building the AI-native compliance platform for community banks and... ...answer. Our team includes engineers and researchers from Stanford... ...of the role This is a true founding engineer role . You won’t just... ...‑on experience shipping LLM integrations or RAG systems...Platform
- Hyperscale is looking for a Founding Senior Software Engineer to build the core product infrastructure for its AI-native intelligence layer in San Francisco. This role involves engineering across the stack, from backend systems to customer-facing features, while solving...PlatformFull time
$140k - $200k
STARTmunich e.V is seeking a Founding Software Engineer in San Francisco. You will own major product features, work directly with customers, and help... ...should have a strong interest in systems engineering and AI workflows, and must be US Citizens. #J-18808-Ljbffr STARTmunich...PlatformFull timeWork at office- ...aviation technology company in San Francisco seeks a founding engineer to build and scale their innovative AI platform for aviation. You will own entire systems and... ...operators. Applicants should have significant software engineering experience, particularly in cloud infrastructure...Platform
$175k - $250k
Kindredventures is seeking a Founding Software Engineer in San Francisco to help build cutting-edge AI tools. You'll define core architecture and work directly with customers to deliver exceptional user experiences. The role requires proficiency in TypeScript, React, and...Platform- Rise Technical Recruitment Limited is seeking a Founding Senior Software Engineer in San Francisco. This role offers a unique opportunity to work with... ...backed startup focused on disrupting a massive industry using AI. Responsibilities include building AI agents, maintaining...Platform
$175k - $195k
...Francisco working at the intersection of biology, hardware, AI, and IoT. We closed our seed round in November 2025... ...launches in August. The Role We are hiring a Founding Software Engineer to own the software platform that turns our foundation model and IoT hardware...PlatformPermanent employmentFull timeTemporary workWork at officeImmediate start$170k - $200k
The Opportunity Be the founding engineer of Menlo’s venture intelligence platform. You'll build data-driven technology and... ...role—it combines aspects of software and AI development, design, and messy,... ...pipelines and analysis tools LLM integrations for market intelligence...Platform$180k - $230k
...stage B2B SaaS startup in the AI-powered sales automation space is hiring its first Founding Engineer. You'll join the CTO as a core... ...problems across the full stack, from LLM orchestration to embeddable... ...and screen sizes. The Platform: Customer-facing tooling for configuring...PlatformRemote work
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