Founding AI Backend Engineer Seed Equity + Health
Day One Partners
Day One Partners is seeking a backend developer in San Francisco to build and scale AI-powered systems. Join a venture-backed startup creating technology to navigate chronic health conditions. You will have significant ownership over architecture and product direction, alongside competitive compensation and meaningful equity. The ideal candidate will have strong experience in production software systems, enjoy ambiguity in a startup environment, and have a passion for AI and workflow automation. #J-18808-Ljbffr Day One Partners
$160k - $200k
About Sprinter Health:At Sprinter Health... ...Software Engineer with interest in agentic AI and at least 2-3... ...impact as one of the founding engineers of our... ...the freedom of a seed stage startup, but... ..., full-stack or backend-focused... ...Base Salary $160K - $200K • Offers EquityEmployment EquityTemporary workWork at officeMonday to FridayMonday to Thursday- ...Founding Backend EngineerInstant is a real-time database you can use on the... ...Firebase and Supabase, a sync-engine with support for relations.... ...batch in YC and raised a $3.4M seed round from a slew of great... ...Sliding scale between 0.5%-2% equity and 150k - 200k base + medical...Employment EquitySummer workRelocation
$230k - $300k
...candidates. Title of Role: Founding AI Engineer (Agentic Systems / Full-... ...Company Stage of Funding: Seed Stage (~$7.5M raised)... ...Salary: $230,000 - $300,000 + Equity Company Description... ...across the full stack (frontend, backend, and infrastructure) to ship...Employment EquityWork at officeImmediate start3 days per week- ...About Reducto Reducto helps AI teams ingest real world... ...from financial statements to health records — is locked in unstructured... ..., and are looking for a Backend/AI Engineer. The Opportunity As... ...you: Have prior experience founding a company or building...SuggestedFull timeWork at officeLocal area
- ...caring nurses while AI agents handle the tedious backend work — all covered by... ..., 24/7 personalized health assistance is only... ...of yourself. Our founding team brings a mix of... ...re looking for an AI engineer to build the LLM-powered... ...Meaningful early equity. Competitive...Employment EquityFull time
- ...Who we are: Cooper is an AI coworker for the insurance industry. Getting a business... ...About the role: We're hiring the Founding Engineering team for a new hyper-growth AI business... ...Benefits: ~ Competitive salary & equity ~ Medical, dental & vision insurance...Employment EquityFull time
$200k - $230k
...connection. Across the country, health plans and employers look... ...and better health. Founded in 2017 and... ...expanding our founding engineering team and looking for a Staff Backend Software Engineer to join... ...certifications, and skill set). Equity: Meaningful equity...Employment EquityFull timeWork at officeLocal areaImmediate startFlexible hours2 days per week3 days per week- ...against them. Revic is an AI-native sales acceleration engine built to uplift sales professionals... ...execution. As Revic’s Founding GTM AI Engineer, you will... ...Competitive salary plus meaningful equity (true founding ownership) Premium health, dental, and vision...Employment EquityRemote jobFull time
- ...Who We Are Citizen Health was founded on the belief — shaped... ...uniquely combining data, AI, and community,... ...seeking AI/Machine Learning Engineers to lead the development... ...Collaborate with backend engineers to integrate... ...Competitive salary + equity package Comprehensive...Employment EquityFull timeFlexible hours
$155k - $180k
...Arbital Health is a rapidly growing healthcare technology... ...growth. We were co-founded by Brian Overstreet and... .... Arbital AI allows users to interact... ...are looking for an AI Engineer to help build our next-... ...We Offer: • Generous equity grants of ISO stock options...Employment EquityFull timeContract workWork at officeRemote workFlexible hours2 days per week- ...About Kastle Kastle is building AI operating system for consumer lending, starting... ...with AI. About the Role As a Founding Applied AI Engineer, you'll be instrumental in building... ...Competitive salary, meaningful early-stage equity, and relocation support Great team:...Employment EquityFull timeLive inRelocation package
- ...Senior Backend Engineer San Francisco / Hybrid / Remote About... ...workflows on Nash. Founded by Mahmoud Ghulman and Aziz... .... Exposure to AI or rule-based automation... ...compensation and opportunity for equity • Flexible paid time off • Health, dental, and vision...Employment EquityRemote workFlexible hoursShift work
- ...Founding Ai Engineer At Falconer, we're transforming how engineers create, access, and share knowledge... ...optimization Develop and maintain backend systems including API services,... ...Perks and benefits: ~ Generous equity package ~ Competitive salary and benefits...Employment EquityWork experience placementWork at officeFlexible hours
- David Joseph & Company is seeking a Founding Engineer in San Francisco, on-site, full-time. You will own the entire technical surface alongside... ...and specialists, and to impact a healthcare startup at its earliest stage with equity. #J-18808-Ljbffr David Joseph & CompanyEmployment EquityFull time
- Alleviate Health, based in San Francisco, is seeking exceptional founding engineers to work on pioneering AI agents that autonomously recruit and retain patients in clinical trials. As part of a rapidly growing team, you will work on projects that involve orchestrating...
$225k - $255k
...small, product-focused team building an AI-powered B2B pricing platform that helps... ...and discount governance. As our Founding AI Engineer , you'll own the evaluation systems, feedback... ...- $255,000 USD annually Early-stage equity commensurate with a founding-team role...Employment EquityRelocation$150k - $250k
...Moore's law going by building AI agents that automate large swaths... .... About the Role As a Founding AI Engineer, you will own the core intelligence... ...Competitive salary and equity package Comprehensive benefits including health, vision, dental, housing stipend...Employment Equity$120k - $200k
...scaling top start‑up teams $120,000 - $200,000 + 0.5‑2% Equity + Flexible PTO Are you an AI engineer who wants to build and own the core agentic systems... ...intelligence, whilst benefiting from full autonomy and founding‑level equity? This is a rare opportunity to join a YC‑...Employment EquityFull timeImmediate startFlexible hours$215k - $290k
Get AI-powered advice on this job and more exclusive features... ..., we've raised $4.7M in seed funding and hit $14M ARR... ...startups at About the Role As a Founding Senior Backend Engineer, you’ll shape the core... ...from home) Cash: 215k - 290k Equity : 0.4 - 0.6% Location :...Employment EquityFull timeInternshipWork at officeWork from homeVisa sponsorshipFlexible hours$180k - $230k
Founding Engineer San Francisco, CA · On-site · Full-time Compensation... ...$180,000-$230,000 + equity About the Company... ...an early-stage (pre-seed) healthcare AI company building... ...piloting with a major U.S. health system, with deep EMR... ...Tech stack: Python backend, modern front end,...Employment EquityFull timeVisa sponsorship$120k - $170k
Alldus International Consulting Ltd is hiring a Founding Engineer in San Francisco to join an AI startup in the eCommerce industry. The successful candidate... ...offers a salary range of $120k - $170k alongside equity. #J-18808-Ljbffr Alldus International Consulting LtdEmployment Equity- LegalCare, based in San Francisco, is seeking its founding engineer to take the voice AI intake receptionist from prototype to production-grade system and to own the referral platform deployed at partner firms. You will handle privacy and security for sensitive client...Employment EquityRemote workRelocation
$160k - $300k
...based in San Francisco, is looking for a Founding Engineer to lead the development of their cutting... ...and optimize the performance of AI agents. Ideal candidates will have strong... ...from $160,000 to $300,000 including cash, equity, and bonus. #J-18808-Ljbffr Lance , Inc.Employment EquityFull time- ...) in San Francisco is hiring its founding Members of Technical Staff to develop AI agents crucial for processing complex... ...ideal candidate will have solid engineering experience with a focus on full-... ...for growth and meaningful equity. #J-18808-Ljbffr Justinian (YC S...Employment EquityWork at office
$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... ...competitive compensation ranging from $200K-$250K, equity, full benefits, and the chance to work closely with...Employment Equity- ...Founding AI Engineer Weave (YC W25) is building the definitive platform for understanding and improving... ...10x easier. We've raised a $4.2M seed round and are backed by Moonfire, Burst... ...TypeScript on the frontend, Go on the backend, and Python for ML. Experience with any...
$150k - $225k
...operating system for modern families. Most AI tools are designed for work life, but... .... The Role We’re looking for an Founding AI Engineer to design, build, and scale the intelligence... ...salary range: $150,000 - $225,000 and equity , depending on experience and expertise...Employment EquityFull timeWork from homeFlexible hours- ...understand and improve their health by providing daily... ...of integrating modern AI and LLMs into the Oura... ...years. As a Senior AI Engineer, you will design, build... ...-year background in backend engineering, applied ML... ...Competitive salary and equity packages ~ Health, dental...Employment EquityFull timeTemporary workWork at officeLocal areaRemote workFlexible hours
- ...-critical. We’re building the AI co-pilot that will analyze flight... ...more effective. As an AI/ML Engineer, you’ll design and deploy the... ...Infrastructure: Build robust APIs and backend systems for scalable inference... ...You’ll Get Early-stage equity — ownership in a company...Employment EquityFull timeWeekend work
- ...AI Backend Engineer @ Klarity Experience: 1-3 years shipping production code (or exceptional new grads with strong portfolios) Location:... ...between teams with working prototypes. Benefits: ~ Equity in addition to competitive cash compensation ~100% Employer...Employment EquityFull timeWork at officeLocal areaRelocation package
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