Founding Software Engineer
$160k - $270kXpertalent
Senior Software Engineer Founding Engineer (Full-Stack / Backend) - AI Platform Location: San Francisco | Fully Onsite Salary: Competitive $160,000 - $270,000 DOE + equity Investment: Seed-stage and backed by worlds leading investors We have partnered with a very exciting AI firm who are building an AI operating system for corporate transformation. They are on the lookout for a Founding Senior Software Engineer to join the team. Exciting time to join the scale: early stage, funded by top-tier investors, part of a selective AI pilot program, and already live with paying pilots across private equity, government, and large enterprises. Tech Stack:
Apply ASAP if this is suitable - please note this is a fully onsite role based in San Francisco.
- Backend: Python, FastAPI
- Frontend: React, TypeScript
- Infra: AWS (ECS Fargate, RDS, S3, CloudFront), Terraform, Docker
- DB: Postgres
- Build and scale the core platform : APIs, microservices, and orchestration systems
- Design, deploy, and operate production infrastructure on AWS
- Integrate with complex enterprise systems (HR, finance, CRM, project management, etc.)
- Work directly with customers to map systems and deliver end-to-end solutions
- Shape product direction, technical architecture, and company culture as a founding team member
- High-agency builder who takes full ownership and moves fast
- Comfortable in 0→1 environments and wearing multiple hats
- Confident in high-intensity, customer-facing settings
- Pragmatic about tradeoffs, opinionated about great systems
- Obsessed with shipping polished, production-grade work
- 3-8 years of backend or full-stack experience at a fast-paced startup or top-tier company
- Strong fundamentals in APIs, databases, and cloud infrastructure
- Experience integrating enterprise systems or working with OAuth / SSO
Apply ASAP if this is suitable - please note this is a fully onsite role based in San Francisco.
Vacancy posted 3 days ago
Similar jobs that could be interesting for youBased on the Founding Software Engineer in San Francisco, CA vacancy
$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 define both the product and company culture. This is a full-time, in-office role. A base salary of $140k-$200k is offered...SuggestedFull timeWork at officeSTARTmunich e.V
San Francisco, CA1 day ago€80k - €160k per year
...About the Role A Y Combinator-backed AI creative tools startup is hiring its founding software engineer . You'll work directly with the founding team to shape the technical foundation of an AI-powered motion design platform — turning what once took hours into minutes...SuggestedFull timeWork at officeWorldwideVisa sponsorshipClera
San Francisco, CA3 days ago$175k - $195k
...closed our seed round in November 2025 and our first commercial deployment 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 into a usable product. As an early addition...SuggestedPermanent employmentFull timeTemporary workWork at officeImmediate startThe Electric Plant
San Francisco, CA18 hours ago- ...the beginning. You have the opportunity to: Join Onton as a Founding Engineer and set the foundation for our Engineering Team Design, scope... ...heart who shares our values and is passionate about making software tools accessible to all, we want to hear from you. Onton is...SuggestedFull timeWork at officeLocal areaRemote workRelocation3 days per week
Onton
San Francisco, CA1 day ago $150k - $300k
...representations so that AI agents can read and write to documents as reliably as humans. About the role We are hiring a Founding Software Engineer in San Francisco. We are building a small, talent-dense team. This role will define the engineering archetype at Unsiloed...SuggestedRemote workPassFort
San Francisco, CA2 days ago$160k - $210k
...Everything is handled — launch support, insurance, marketing, and software — so therapists can focus on what they do best: helping kids... ...in the right place. Role Overview The company is hiring a Founding Engineer (Full‑Stack) to work in‑person, 5 days/week, in San...Private practiceWork at officeVisa sponsorshipRelocation packageRockstar
San Francisco, CA18 hours ago- ...support an ever-expanding range of physical work. Founded in San Francisco, Kovari is obsessed with rapid iteration, engineering rigor, and deploying real machines into real... ...About This Role We're looking for a founding software engineer to help build the software...Remote work
Kovari
San Francisco, CA1 day ago - ...Founding Software Engineer Location: San Francisco (preferred) Type: Full-time · Founding Team About Bracket Bot Bracket Bot is building low-cost, general-purpose robots that developers can program and deploy in days. We’re transforming the world’s ~50 million software...Full time
Bracket Bot Inc.
San Francisco, CA1 day ago - ...Founding Software Engineer Opportunity Attune is building developer tools for a post-AI world. Our first product is faster build tools that require zero migration effort. AI is enabling engineers to write code faster than ever. The next bottleneck will be all the other...Full time
Attune (yc X25)
San Francisco, CA4 days ago - ...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 a new RL environment from a research paper, the next you'll deploy...Work at officeVisa sponsorship
RainesDev
San Francisco, CA18 hours ago $160k - $210k
...We're building an AI-native platform to fix that, and 80+ practices are already running on it. THE ROLE This is a true founding-engineer seat. You'll work directly with therapists, ship real features that land in production, and own problems end-to-end - from the...Relocation packageStrategic Employment
San Francisco, CA1 day ago- ...simple interface to the vast array of tools being released daily. About the Role We're hiring three exceptional Founding Software Engineers to help us scale the computational biology platform that powers our drug discovery pipeline. In this role, you'll...Relocation
Tamarind Bio, Inc
San Francisco, CA7 hours ago $150k - $225k
...Founding Software Engineer (Full Stack) Our client is a high-growth technology startup backed by top-tier investors. The company is building next-generation AI solutions to transform complex hiring and operational workflows in enterprise environments. With ambitious...RelocationVisa sponsorshipQuix Recruitment Group Ltd
San Francisco, CA4 days ago$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 they can trust from prototype to production. We enable industry-leading...Work at officeDay shiftKindredventures
San Francisco, CA2 days ago- ...The role Watershed is scaling a world‑class engineering team and is establishing a new office in Mexico City. We are looking for a Founding Engineering Technical Lead to bootstrap a team and set the culture for the entire office. The Tech Lead will guide the team’s technical...Work at office
WaterSHED
San Francisco, CA18 hours ago $250k - $300k
...Founding Software Engineer Title of Role: Founding Software Engineer Location: Los Angeles, CA, Onsite Company Stage of Funding: Seed — AI, Software Development Office Type: Onsite Salary: $250K–$300K Company Description We're representing a dynamic...Work at officeRecruiting from Scratch
San Francisco, CA4 days ago$120k - $200k
...Founding Software Engineer Redcar is on a mission to make every professional superhuman. And today, we make world's most trusted AI Sales Agents. We're rapidly scaling AI Agents trusted by humans and the data environments where they work, and we're looking for an amazing...REDCAR
San Francisco, CA4 days ago- ...the platform that makes that happen. About the role This is a founding engineering role. You'll own entire systems end to end — the backend and... ...to AI/ML to frontend. About you 5+ years of professional software engineering experience, with a track record of designing, building...Live in
Flynavi
San Francisco, CA1 day ago - ...in production. Our founder Obaid Khan co-founded Motive — scaled it to $350M+ in revenue... ...problem. You'll work on all three. Set the engineering bar. Early team decisions compound —... ...Looking For 5+ years shipping production software, with meaningful full-stack range (you've...
Runbook
San Francisco, CA1 day ago $150k - $200k
...semiconductor leaders producing new chips and researchers pioneering the adoption of AI for chip design. About the role As a founding software engineer at Bronco AI, you will be building world-class intelligent reasoning systems for chip verification. You'll own the...Night shiftBronco
San Francisco, CA2 days ago$160k - $300k
...technology, Lance agents integrate seamlessly with existing hotel software to make real-time decisions and efficiently manage complex... .... Role Description This is a full-time on-site role for a Founding Engineer based in San Francisco, CA. The Founding Engineer will be...Full timeLance , Inc.
San Francisco, CA2 days ago- 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...
- ...pioneering aviation technology company in San Francisco seeks a founding engineer to build and scale their innovative AI platform for aviation... ...and military operators. Applicants should have significant software engineering experience, particularly in cloud infrastructure...
$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...- ...Founding Senior Software Engineer (SF In-Person Preferred) About Hyperscale Hyperscale is building the AI-native intelligence layer for physical operations, starting with trucking carriers. We are a team of ex-Samsara engineers and fleet operators automating the...
Hyperscale Systems, Inc
San Francisco, CA1 day ago - ...Founding Software Engineer (Mid–Senior Level) Every enterprise spends millions of dollars on Governance, Risk, and Compliance (GRC). It's one of the most critical, yet universally painful, parts of running a business. For decades, this industry has been dominated by...Work at officeRelocation packageFlexible hours
Zania, Inc
San Francisco, CA4 days ago - Founding Software Engineer - Vimes ABOUT US Vimes is building the universal operating system for government welfare, starting with child protection: our cross‑platform crisis‑intervention software replaces the paper trails and traditional email threads that slow schools...Live inRemote workRelocation
$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 — think rockets, satellites, EVs, aircraft, nuclear plants. Right now...Full timeWork at officeWeekend work- ...many fronts and it's time to go faster. Role Description As a founding engineer, you won’t just write code — you’ll help shape product,... ...technical stack, direction, and vision. This is a full-time Software Engineering role. The current team is in San Francisco, and...Full time
- PassFort is seeking a Founding Software Engineer based in the Bay Area or New York City. In this role, you will help build a mobile and web app focused on improving government welfare systems. You must be skilled in React and have experience with AWS. The position offers...
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Founding Software Engineer. Be the first to apply!
Related searches
- software sales engineer San Francisco, CA
- software engineer amazon San Francisco, CA
- software engineer student San Francisco, CA
- agile software developer San Francisco, CA
- rust software engineer San Francisco, CA
- software developer positions San Francisco, CA
- senior software design engineer San Francisco, CA
- software developer San Francisco, CA
- ngo software engineer San Francisco, CA
- startup software engineer San Francisco, CA