Founding Software Engineer — Voice AI Platform (SF Equity)
Simple AI
Simple AI is hiring founding software engineers to build the core systems behind its voice agents. You will work across product to make agents faster, more reliable, and capable in production environments. This high-ownership role ships customer-facing features, improves latency, builds internal tools, debugs edge cases, and scales the platform as demand grows. The team works closely with product and customers in a fast-moving startup. #J-18808-Ljbffr Simple AI
$160k - $210k
...patients. We're building an AI-native platform to fix that, and 80+... ...THE ROLE This is a true founding-engineer seat. You'll work directly... ...salary: $160,000 - $210,000 ~ Equity: 1.5% - 2.0% ~ Health, dental... ...~ Relocation support for candidates outside SF...PlatformEmployment EquityRelocation package$210k - $240k
...exciting for a data engineer like me to... ...with data.” Staff Software Engineer (Data Platform) “Every day, I get... .... But then I found TRM, and thats one... ...Product Engineering - SF Only Location... ...Labs provides AI-powered intelligence... ...in TRM’s equity plan. Please note...PlatformEmployment EquityFull timeWork at officeWorldwide3 days per weekWeekday work- ...Search Limited in San Francisco is seeking a founding security engineer to lead our security posture as we scale an AI security platform. You’ll own security end-to-end, from... ...top-of-market base salary plus substantial equity, visa sponsorship and relocation support if...PlatformEmployment EquityWork at officeVisa sponsorshipRelocation package
$150k - $250k
A seed-stage AI startup in San Francisco is looking for a Founding Software Engineer to build high-quality frontend features. This role involves collaborating with designers... ...a salary of $150,000 to $250,000, meaningful equity, and strong benefits including health insurance...PlatformEmployment Equity- ...Join as an early engineer owning product work... ...of the platform. What You'll Do Design... ...coordinate automated AI-driven services... ...channels, such as voice, text and email.... ...as a founder or founding engineer, or experience... ...The Posting Describes It Equity Fast-growing software companyPlatformEmployment EquityFull timeWork at office
- ...Founding Software Engineer As a Founding Software Engineer, you'll have end-to-... ...projects pushing the frontier of AI evaluation. This isn't a... ...and scaling an AI interviewer platform to handle tens of thousands... ...Benefits: Equity: 0.5% to 1% Visa sponsorship...PlatformEmployment EquityWork at officeVisa sponsorship
$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... ...range: $175,000 - $250,000 + competitive equity stake #J-18808-Ljbffr...PlatformEmployment EquityWork at officeDay shift- .... You're building the platform that makes that happen... ...the role This is a founding engineering role. You'll own entire... ...that power Navi's AI, the interfaces instructors... ...years of professional software engineering experience... ...ll get Early-stage equity — real ownership in a...PlatformEmployment EquityLive in
$130k - $280k
...Simple Simple AI is building state-of-the-art voice AI agents for... ...to hire a couple founding software engineers to help us stay afloat... ...and work out of our SF based office.... ...help us scale the platform as customer demand... ...salary & meaningful equity Employee-friendly...PlatformEmployment EquityWork experience placementWork at officeNight shift- ...building a small, tight-knit team to create autonomous research infrastructure from scratch. These founding roles come with a competitive salary and meaningful equity as the platform scales. You design the orchestration layer, data pipelines, observability, and the trading...PlatformEmployment Equity
- ...each new model release. These are founding roles with competitive salary and equity. The next breakthrough isn't a better... ...Caltech, Berkeley. You build the platform everything runs on. Design the... ...Distributed systems meets autonomous AI infrastructure. You might work on...PlatformEmployment EquityImmediate start
$150k - $250k
...healthcare by building an AI-driven platform that streamlines... ...This isn’t just better software. It’s infrastructure that... ...a full-stack software engineer to help shape the... ...workflows, and cutting-edge voice AI infrastructure. The... ...and competitive equity grant - Insurance: Fully...PlatformEmployment EquityNight shift- ...Senior Founding Software Engineer Clouted (fka Clout Kitchen) is The Virality Engine... ...the Clouted Engine and platform - the products and systems that... ..., and help shape our AI/agent infrastructure. You should... ...- Meaningful founding-level equity and real technical ownership...PlatformEmployment Equity
- ...Chief AI is building the intelligence platform to power the world's leaders.... ...We are hiring a Founding AI Engineer to build the systems... ...and iterate with voice-to-text, surfacing... ...infrastructure, and production software; fluency with AWS,... ...Meaningful equity with competitive...PlatformEmployment Equity
- ...Founding Senior Software Engineer (SF In-Person Preferred) About Hyperscale Hyperscale is building AGI... ...infrastructure that powers Hyperscale's agentic AI platform. You'll work directly with the... ...from backend systems to real-time voice interfaces to customer-facing...Platform
$150k - $250k
# Founding AI Infrastructure EngineerRemote (US) or Hybrid (SF Bay Area)Full-time$150,000–$250,000 + equity## About UsHarden is the enterprise security and governance platform for AI-built apps. Every AI-generated application... ...on exceptional engineers to build the...PlatformEmployment EquityFull time- ...San Francisco is seeking a founding engineer to help build healthcare AI agents that automate... ...across browser automation, voice AI, and API integrations.... ...Python or TypeScript, cloud platform know‑how, and a track... ...features with real user impact; equity of 0.5-1.5% comes with...PlatformEmployment Equity
$200k - $275k
...Consultant at Harnham US — Data, AI & Tech → Mid-West & South Atlantic Founding Software Engineer $200,000 to $275,000 + COMPANY... ...and scaling our AI-powered platform from the ground up, driving key... ...bureaucracy. Competitive salary plus equity (1%+). HOW TO APPLY: If you are...PlatformEmployment EquityFull time$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... ...package of $175,000 to $250,000 plus equity. Join a dynamic team focused on innovation and...PlatformEmployment Equity$160k - $230k
Founding Software Engineer | Ex-Samsara team building agentic AI already live with the biggest US fleets | San Francisco | $160K-$230K base + founding equity We've partnered with an early-stage, AI-native startup... ...and logistics. Their platform plugs into the dozen-plus...PlatformEmployment EquityH1bRemote workRelocation$174.62k - $227k
...Hub office in SF Medical,... ...Manager, CS Engineering “For me, the... ...exactly what I found here.”... ...to Lumos Software Engineer, Data... ...Autonomous Identity Platform — software... ...is Albus, our AI agent for identity... ...2026 Gartner Voice of the... ...27,000 plus equity & benefits....PlatformEmployment EquityFull timeContract workTemporary workWork at officeLocal areaRemote workFlexible hours- Hedge is an AI-native insurance company. We started as a wholesale brokerage... ...for paying customers. We're hiring our founding engineer to own the platform end to end: agents, evals, data... ...No insurance experience needed. In office in SF. #J-18808-Ljbffr Hedge (YC)PlatformEmployment EquityWork at office
- ...tech right now: AI and customer experience... ...information. Founded in 2023 by... ...re looking for an Engineering Manager/Technical... ...build Maven AGI’s Voice Agent platform. Maven Voice enables... ...develop with a team of software engineers... ..., and meaningful equity ~130 people, built...PlatformEmployment EquityWork at officeHome office
$180k - $220k
...Engineering San Francisco, CA Full-time $180K – $220K • Offers Equity Who we are: Cooper is an AI coworker for the insurance industry. Getting a... ...role We're hiring the Founding Engineering team for a new... ...different languages and platforms. Hands‑on with modern...PlatformEmployment EquityFull time- Hyperscale is hiring a Founding Senior Software Engineer to help build the core product infrastructure for our agentic AI platform. You will work directly with the founders, spanning backend to real-time interfaces and customer-facing features. You will tackle real-time...Platform
$230k - $390k
...usSierra is the leading platform for customer-facing AI agents, working with... ...the company he founded, Quip) and CTO of Facebook... ...agent quality?Voice: How do we make our... ...we adapt traditional software development methodologies... ...in Sierra's equity plans subject to the...PlatformEmployment EquityFull timeFlexible hours$230k - $390k
...is the leading platform for customer-facing AI agents, working... ...the company he founded, Quip) and CTO of... ...or months across voice, SMS, email, and... ...with product and engineering to define Horizon... ...of professional software engineering... ...participate in Sierra's equity plans subject to...PlatformEmployment EquityFull timeFlexible hours$200k - $300k
...secret. You’ll build the platform that makes that the... ...This is a hands‑on engineering role. You’ll build it,... ...deploy. ~ Fluency with AI‑assisted development workflows... ...you ship. ~ You want founding‑team scope. You’ll set... ...00k base + significant equity, 401(k), and health...PlatformEmployment EquityFull time$250k - $300k
...$100K; competitive equity. Location: San... ...About this role Software Engineer (Growth Infrastructure... ...: you'll build the platform and tooling that... ...outreach tooling and AI-powered... ...Lake. 85 employees, founded 2024, $34M total funding, FiDi SF. ~2-5 years as a...PlatformEmployment EquityH1bRemote workMonday to FridayFlexible hours- ...About interface.ai interface.ai... ...is the agentic AI platform for financial services... ...agents, not software, do the work.... ...Senior Software Engineer, you're not just... ...reminders ~ In SF, committed to 5 days... ...and engineering. Founding-team-tier equity, top-of-market base...PlatformEmployment EquityWork at office
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