Founding Backend Engineer — Build Enterprise-Grade AI Infra
davidjoseph-co
davidjoseph-co is seeking a Founding Backend Engineer to take on critical backend responsibilities in San Francisco. This role emphasizes building scalable systems and offers end-to-end ownership of critical production infrastructure. The ideal candidate should possess strong Python skills, experience with distributed systems, and be hands-on with Docker and Kubernetes. Competitive compensation and equity are part of the offer. #J-18808-Ljbffr davidjoseph-co
- MintMCP is hiring engineers in the San Francisco Bay Area to own features end to end across our gateway infrastructure and enterprise deployments. The role leans backend and infra, with opportunities to build UI when needed and to fix connectors during security reviews...Suggested
- ...We are hiring a Founding Software Engineer in San Francisco. We are building a small, talent-dense... ...at Unsiloed AI and set the ceiling... ..., and scale core backend systems powering... ...R&D production enterprise scale Build... ...into production-grade, scalable systems...Suggested
$150k - $300k
...the Company A Seed-stage AI company (founded 2024, $7.5M raised) building production-grade systems that convert... ...is already deploying with enterprise customers. Founded 2024 ·... ...The Role A founding, backend & infrastructure-heavy engineering role on a small, talent-dense...SuggestedFull timeH1bWork at officeVisa sponsorship$150k - $300k
Unsiloed AI — Founding Backend Engineer Type: Full-time | On-site | San Francisco,... ...LLM-ready data. Production-grade APIs ingest, parse, structure... ...experience. Real enterprise traction: Already deploying... ...Engineer based in San Francisco, building toward a small, talent‑...SuggestedFull timeH1bWork at officeVisa sponsorship- ...re looking for a seasoned backend engineer to own key data, search, AI, and core backend... ...serving the world’s knowledge Build AI + search infrastructure... ...core-product, search, data-infra) A mastery of python (and... ...startup experience or founding experience Side projects,...Suggested
$175k - $300k
...Trove is developing an AI associate for financial firms - think enterprise search & agents for private... ...: Be a part of a great founding team in SF. Shivaal Roy (CTO) was a founding engineer at Glean ($100M+ ARR... ...capabilities Design and build novel knowledge graph algorithms...$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...$130k - $180k
...About NegotiateAI We’re building a revolutionary enterprise platform to... ...technologies like agentic AI, LLMs, and Retrieval... ...in full‑stack engineering, with senior‑level expertise... ...building consumer‑grade software Experience... ...enterprise clients Founding engineer experience...- ...and design. Our client is building the AI backbone for the next generation... ...compute, but a full-stack backend for fine-tuning,... ...A-C AI companies building enterprise-grade products. Their promise is... ...hiring a Backend Software Engineer (ML Infrastructure) to help...Remote work
- ...promising startup in San Francisco is seeking a Founding Engineer to join their team. In this role, you'll take ownership of building and scaling backend systems using Python and TypeScript,... ...to grow into leadership as the company scales. #J-18808-Ljbffr Weekday AI (YC W21)Weekday work
$201k - $240k
Klarity, located in San Francisco, is seeking an AI Backend Engineer to build the core systems that power its multimodal agents. This full-time... ...services, orchestrating model workflows, and ensuring enterprise-grade security. Competitive compensation ranges from $201K to...Full time- Jack & Jill in San Francisco is hiring a Founding Engineer to join as a founding member to build the governance layer for enterprise AI. You’ll develop systems that sit between... ...across macOS Swift clients and Azure‑centric backend services. As the first engineer, you will...
$50k
A dynamic AI startup in San Francisco is seeking a founding full-stack engineer to own the application layer of their platform. The role involves building user-facing dashboards, designing APIs, and leading architectural decisions. Ideal candidates will have experience...- The Role As a Founding Engineer, you’ll work directly with the founders to architect, build, and scale the platform from 0 to 1 . You’... ...3rd-party data, delivering enterprise-grade durability, scalability, and... ...UIs — pushing the envelope on AI product patterns and moving...
- Jarmin, a San Francisco-based startup, seeks a founding Backend Engineer to architect and scale the distributed systems powering our AI agents. You will own critical... ...delivering reliable, scalable workflows and building internal tools to accelerate development. You...
- Instant is seeking a Founding Backend Engineer to join their team in San Francisco, focusing on building infrastructure for a database company. The role involves tackling complex backend challenges such as managing high connection volumes and enhancing system capabilities...
- Zania is seeking a Founding Software Engineer (Mid-Senior Level) to join its team in San Francisco, California. In this backend-focused role, you will engineer core product features and build robust systems for AI-driven compliance. The ideal candidate has over five years...
$130k - $180k
Job Title Founding Backend Engineer Salary $130k-$180k + Equity Company Description Jarmin is a San Francisco-based YC F25 startup building AI employees for human-level roles, founded by an elite engineering team from Meta SuperIntelligence Labs, Apple, and AWS. Job...- We’re building the future of enterprise B2B SaaS with AI agents. We operate at the scale of our customers with 1% of the resources. That requires precision... ...infrastructure. Design architectures that allow both engineers and language models to quickly create, test, and...Full time
- Job Description Early ownership + equity. Build AI agents that replace legacy ERPs for real operators. Restrictions No telecommuting Agencies... ...accuracy, and cost per request) to keep the product production‑grade. Contact Info Contact: Camilo Vlies Vlies Carvajal E‑mail...Work experience placementRemote work
$200k - $350k
...companies in the Agentic AI space, a team that... ...transforming how enterprises automate customer... ...Senior Backend Engineer to take ownership... ...Scalable Solutions: Build fast, reliable, and... ...shipping production-grade work. Bonus Points... ...join a world-class founding team in one of the...Full time- ...Novaflow Novaflow is the AI data analyst for biology labs... ...San Francisco office. The founding team works side by side... ...ship. Responsibilities Build and maintain APIs and backend services in Python, Go, or... ...observability Help build the engineering team and establish how we...Work at office
- ...a Full-Stack Software Engineer yourself, and you will... ...responsible for architecting, building, and scaling our core... ...stack, including the backend systems, APIs, and... ...interfaces. Infrastructure & AI Integration: Build and... ...building production-grade AI/ML infrastructure....
$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... ...Join Participate in building a cutting‑edge AI agent platform from 0 to 1 and scale it to production...Internship$150k - $250k
...Description Venture-backed startup building the decision intelligence... ...building a new class of AI systems that combine... ...companies. As a Founding Engineer, you'll work across backend systems, infrastructure,... ...engines Develop production-grade agentic workflows that combine...Work at officeImmediate startVisa sponsorshipRelocation package- ...Description Job Description Our client, a fast-growing AI B2B education startup, is hiring a Founding Backend Engineer to own and lead the core systems that make their... ...You'll Do Context retrieval — Design and build performant systems that surface the right...Immediate startFlexible hours
- ...growing global companies while building a long-term career. Job Title: Founding Infrastructure & Reliability Engineer Location | On-Site — San... ...team at a fast-moving AI video infrastructure startup... ...infrastructure or high-throughput backend systems - Strong debugging...
- Frontend Engineer (with familiarity of full stack) (Founding Team) Location: San Francisco... ...by 8VC, we're building a world-class... ...re building an AI-native data... ...to industrial-grade systems. You’ll... ...ever felt that enterprise UIs are bloated... ...UX for complex backend and AI workflows...Full timeTemporary work
$150k - $300k
Compound AI seeks exceptional backend engineers in San Francisco to build the data pipelines that drive its AI agents. You will work directly with the founding team to integrate diverse financial data sources, ensuring precise query performance. The ideal candidate has...- The company is building the AI backbone for the next... ...: a full-stack backend for fine-tuning,... ...companies building enterprise-grade products. Their... ...are hiring their Founding Go-To-Market Lead... ...the earliest GTM engine end-to-end—content... ...Role Matters AI infra today is fragmented...
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Founding Backend Engineer — Build Enterprise-Grade AI Infra. Be the first to apply!
- back-end developer San Francisco, CA
- senior backend developer San Francisco, CA
- java developer backend San Francisco, CA
- backend software engineer San Francisco, CA
- lead backend developer San Francisco, CA
- backend python developer San Francisco, CA
- remote back end developer San Francisco, CA
- entry level back-end developer San Francisco, CA
- backend intern San Francisco, CA
- back-end developer


