Founding Engineer Jobs

We are building an autonomous trust layer to enable audits to shift from a compliance burden to a world where auditors can be risk navigators, providing companies the assurance needed to adjust continuously in an ever-changing world. We are a small,…

Founding Engineer | Full-time | ONSITE (San Francisco, US). FlowGen Labs' mission is to make ERPs usable by humans again. We’re shipping AI agents as an interaction layer that automates routine steps, explains the “why,” and unlocks instant visibili…

Elastics is building an AI-native operating system for trading — deterministic agents, live data, portfolio management and execution across prediction markets, crypto, and beyond. We are Pre-Seed funded, working with our first clients, and need a Fo…

At Songscription, we are building state-of-the-art AI models to automate music transcription, with the vision of enabling any musician to learn any song, on any instrument, at any level. Apply at https://songscription.ai/careers and/or feel free to …

Fully funded B2B sports betting exchange hiring a Founding Engineer to own end-to-end build, set technical foundations, shape the stack and hire and grow the team. Hands-on coding role with leadership and architecture responsibilities; startup exper…

Zenact AI is building AI agents that test apps like real users. Recently launched with 35+ signups from leading Indian unicorns and soonicorns, backed by team with Zomato experience. Hiring Founding Engineers (full-time) and 6-month interns (early c…

AI-powered platform for resume optimization and job application automation. Role: Build technical foundation as the first engineering hire. Own end-to-end features (Python/FastAPI/JS), architect scalable systems, and shape product direction. Ideal f…

We are looking for a Founding Engineer to join us at sortie. As our first hire, you will join the 3 technical founders in building and supporting our core platform. sortie is a pre-seed funded startup building point to point operations for the remot…

We’re building the account intelligence layer to orchestrate AI agents that move revenue and retention. Live with several enterprise customers and backed by Acrew Capital, Emerson Collective, Recall Capital, and angels from LinkedIn, BetterUp, Glean…

Tracebit is an Accel-backed UK-founded security product company focusing on canaries for intrusion detection. The company works with customers including Docker, Riot Games, Synthesia and Zepz. Currently hiring founding roles across engineering, secu…

We are building the best-in-class phone AI for restaurants, enabling autonomous agents to handle orders, reservations, and customer inquiries. As a founding engineer, you’ll shape our core product while working directly with cutting-edge LLMs, devel…

Analogy Group is an early-stage startup building AI-enabled political intelligence tools. We ingest data from across the news, web, and social media and create in-depth reports and visualizations. We are mission-driven, working with nonprofits, advo…

RepIntel builds field-intelligence software for pharmaceutical sales teams. Our platform turns Medicare, NPI, and claims data into optimized walking routes, live physician scoring, and actionable insights reps use in the field. We’re looking for a C…

Jupiter is building a better approach to healthcare for 80 million working age Americans like you and me. We all know that healthcare is broken. In large part, this is because too much quality, pricing, and access data has been hidden from view, and…

Elastics is building an AI-native operating system for trading - deterministic agents, live data, portfolio management and execution across prediction markets, crypto, and beyond. We are Pre-Seed funded, working with our first clients, and need a Fo…

We’re growing our engineering teams in San Francisco and New York and are looking for builders who want to help shape both product and technical direction. Our teams are collaborative and fast-moving, tackling hard technical problems with real impac…

Join Meegos as our Founding Engineer. Our goal is clear - build the most beloved soccer app in the world. You'll own architecture, infrastructure, data pipelines, and end‑to‑end product experiences from day one. We’re just getting started but have s…

This will be the most challenging (but rewarding) build of your life. You'll be joining a kind & smart fully remote team of engineers that delivers at the highest level. You're not here for the early startup paycheck, you know the pay is (VERY) low …

Own category creation, positioning & narrative for AI-driven timekeeping. Lead GTM + product launches. Build scalable, high-perf DOM + rendering systems. React + Python + TypeScript, WebGL shaders, AI video pipelines. Next.js/TypeScript, LLM/AI apps…

Hi HN - I'm the founder of Stardrift, and we're looking for a founding engineer to join our team of 3-4. We are building a world-class travel search experience. In the future, you won’t book travel by opening ten tabs in Google Flights; you’ll book …

Collecting data from the web is painful with custom scripts everywhere, Cloudflare roadblocks, and pricey infrastructure. I’m Rohit, the CEO at String, where we are building the first scraping platform that just works. In the last two years, with a …

Phosphor builds recursively self-improving systems (via malleable software and natural language interfaces) to enable the efficient development and financing of the physical world (infrastructure, energy, real estate). Our product is built around a …

We are building a cutting-edge product leveraging generative AI and machine learning for multi-modal data processing at the edge. Own the end-to-end architecture & tech / product roadmap – choose the stack, design data pipelines, secure cloud infra,…

We’re building AI agents that help B2B companies scale customer relationships. We’re already live with several enterprise customers and receiving a lot of positive feedback: “I’m super excited!! You’re changing our lives!!” — Account Manager for eme…

Can you handle projects that seem unsexy and uncool but are actually incredibly gratifying and great businesses? Read on. We’re building software to help small manufacturing firms ($10 - $20MM in revenue) build things with higher quality and speed. …

Raremarq is building the Stripe for Auctions — a no-code/low-code platform that lets brands, creators, and businesses embed auctions and dynamic pricing directly into their stores. Our auction engine already powers real-time bidding, payments, and f…