Founding Engineer
$120k - $220kTraceRoot.AI (YC S25)
TraceRoot.AI (YC S25) provided pay range This range is provided by TraceRoot.AI (YC S25). Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range $120,000.00/yr - $220,000.00/yr As the first engineer at TraceRoot, you’ll work side‑by‑side with the founders to build the product and shape our engineering culture from the ground up. You’ll wear many hats, touching everything from AI systems and user‑facing features to backend infrastructure and open‑source SDKs. We move fast, debate hard, and execute even harder, shipping new features weekly and iterating live with users. You’ll work in person with the founders at least 3 days a week, white boarding, coding, and shipping together. If you love building fast, solving hard problems head‑on, and seeing your code impact real users within days, you’ll fit right in. What You’ll Do Talk to users often to deeply understand how to improve TraceRoot’s AI and UX (you can expect to spend 10‑20% of your time on support) Ship full‑stack features and build the foundational building blocks that users will use to build their apps seamlessly Maintain our open‑source projects to help grow and engage our developer community Improve our AI agents’ performance, reliability, and edge‑case handling to continuously enhance AI output quality (for both function + design) Build robust infrastructure for our end‑to‑end platform to power millions of telemetry events Requirements Strong full‑stack experience with React, TypeScript, and Node.js: you’ve shipped production features end‑to‑end Strong sense of ownership: you’re autonomous and own features from start to finish Strong communicator: you write clearly, think rigorously, and can collaborate well within small teams Scrappy and execution‑driven: you move fast, make pragmatic decisions, and care about results over process, bias for action is in your DNA. Relentless builder mindset: you thrive under pressure, love solving hard problems, and make things happen with limited resources Preferred Experience Multi‑agent systems: you’ve designed or shipped multi‑agent systems, AI‑powered coding tools, LLM orchestration frameworks, or automated code workflows Observability tooling: you’ve built or contributed to systems like tracing pipelines, logging, search infra, metrics platforms, or other developer‑facing observability tools Startup experience: you’ve worked at early‑stage startups or have been a founder yourself Seniority level Entry level Employment type Full‑time Job function Engineering and Information Technology Software Development Referrals increase your chances of interviewing at TraceRoot.AI (YC S25) by 2x #J-18808-Ljbffr
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$170k - $250k
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$200k
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$120k - $180k
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$150k - $250k
...AgentMail is building the identity and communication infrastructure for AI agents, starting with email. We are looking for a Founding Engineer with backend and infra focus to architect systems for agents as the end users. Responsibilities: Design APIs that are intuitive...Work experience placementInternship- ...connections will form the foundation of the agentic internet – and Caylex will be the infrastructure powering it. The Role As a Founding Engineer, you’ll play a central role in shaping both our product and engineering culture. You will: Work full-stack across...Full timeWork at office
$90k - $140k
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...About the Role Join a fast-moving, early-stage consumer AI startup as a Founding Engineer — a rare, high-impact position working directly alongside the founder. This is a true 1-of-1 opportunity to shape both the product and engineering culture from the ground up. The...Remote workVisa sponsorship$250k
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$100k - $200k
...innovation. Learn more at voicecursor.ai. Role Description This is a full-time, on-site role based in the San Francisco Bay Area. As a Founding Engineer, you will play a pivotal role in shaping the technical foundation of Voice Cursor. Your day-to-day responsibilities will...Full time10 hours per weekFlexible hours$350k
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