Founding Engineer jobs

Quin is an agentic platform to solve personal finance for people. The role is the first engineering hire and focuses on shipping trusted user workflows and building the backend and data layers that can support an agent in the future. You will own backend arch…

We're a 5-person startup building software for cemetery & public-records management for municipalities. Broad, hands-on Senior IC role with real product and infra ownership. Remote by design; quarterly offsites. Stack: NestJS/TypeScript, PostgreSQL + PostGIS…

We’re building a geologic modelling software based on reasoning to help mining and mineral exploration companies work faster. Currently in active fundraising. Role: Founding engineer on the team, joining co-founder (Neil, CEO) and CTO (Jeff, CTO) as first emp…

Mitte is an AI creative suite \u2014 the agentic OS for creative teams. Engineering roles in Berlin (on-site) include Senior Full-Stack Engineer (Go, React), Senior Frontend Engineer (React, TS, Redux), Senior Backend Engineer (Elixir, Go), and Founding Engin…

We are looking for founding engineer for https://trustedrouter.com/. End to end encrypted hosted open source clone of OpenRouter

Pascal’s mission is to deliver AI-native systems to the offline economy, starting with the consumer packaged goods (CPG) sector. We are reinventing how they operate, building the foundational layer for decisions across finance, sales, and operations teams. We…

We're helping non technical users adopt AI by making usage visible. Power users become role models and people can upskill to gain value rather than lose their jobs to AI. It's a complex problem because we need to balance trivial UX, with a slew of security an…

Kiloforge is a company factory: a system that autonomously ideates, validates, builds, and distributes software products. Why: Before AI, countless niche communities and problems had no way of being served with first-class, high-quality software. As software…

AI data centers are creating a massive new wave of electricity demand, and the grid is already stretched. Strobe is building an autonomous power company to help meet that demand: software that turns buildings, batteries, EVs, and generators into a distributed…

Tenera is building the product decision layer for agents and humans, backed by a top tier VC (announcing soon). The company is hiring its first engineer for an onsite role in San Francisco working five days a week (open to relocation for the right person). Th…

DrSwarm is building AI-driven workflow automation for healthcare clinics/health systems (scheduling, RCM/billing workflows, patient ops). This is a true 0→1 role: ship fast, talk to customers, own systems end-to-end. You will build product end-to-end (Next.js…

Hotwash is an after-action review platform for fire departments. After a serious call, crews record what happened, the platform transcribes and structures it, and the hard-won lessons become searchable institutional memory instead of retiring when veterans wh…

BrightCore is closing a pre-seed and hiring its first engineer to work on a gym/fitness SaaS. Stack includes NestJS, Prisma, Postgres, Next.js, Anthropic API, and Meta WhatsApp Cloud API. Responsibilities include building the NestJS/Postgres backend (~70%) an…

Founding Engineering role with early IC focus (first 3–6 months) to build a multi-modal AI agent product (voice + SMS + email). Responsibilities include building real-time voice systems (streaming audio, low latency, turn-taking), SMS and email automation wit…

Founding team role. Drive end-to-end create latency to near-zero, cut cost per generation, keep pipelines stable under load, and ship continuously across infrastructure + models. Core loop: create → remix → repeat. Wants a strong full-stack engineer with a bi…

BetterDB is building the tooling ecosystem for Valkey, a high-performance Redis fork backed by AWS, Google, and Oracle. They are starting with observability including historical persistence, pattern analysis, anomaly detection, and Prometheus export to help d…

BrightCore is hiring its first engineer (Founding Engineer) to own key backend work for a gym/fitness SaaS. The role is 70% NestJS/Postgres backend and 30% Coral, an AI agent for member retention using WhatsApp. The ideal candidate can ship solo, has 3–5 year…

Recover Systems is building infrastructure for restoration work, streamlining remediation contractor operations by handling red tape and headaches. The platform is built from insurance requirements, financial ledgers, and spatial intelligence, collapsing many…

Students with disabilities are not receiving the support they deserve, and Waypoint is changing that by building AI tools that special education teachers use to better support students with Individualized Education Programs (IEPs). Hiring a founding engineer …

Octozi is a revenue-generating seed-stage company building AI agents for clinical development workflows. Bringing a drug to market can take a decade and cost up to $2B, keeping treatments expensive and delaying life-saving therapies for the patients who need …

MintMCP helps enterprises safely roll out agents to the entire organization with governance around MCP tools and agents (e.g., Claude Code / Codex / Cowork). They are building an MCP gateway with abstractions for 1) preventing agents from doing unintentionall…

Kiloforge is a company factory: a system that autonomously ideates, validates, builds, and distributes software products. Before AI, many niche communities and problems had no way to be served with first-class, high-quality software; as software trends toward…

Building an executive voice engine (Eve), a multi-agent AI system that learns how a leader thinks and produces content indistinguishable from what they'd write. Role includes full AI stack and product: agent orchestration, evals, RAG, prompt chaining, model t…

Strix is building the largest open-source AI pentesting framework. The role is for a founding engineer to help take a 0→1 journey and own the architecture of an already-at-scale product. You will work across infrastructure, product, and research tooling, usin…

Founding Engineer role joining co-founders (Neil, CEO and Jeff, CTO) as the first employee. Own systems and architecture with end-to-end ownership across the stack: database, geostatistical backend services, and 3D client-side rendering. Work rooted in agenti…