Founding Engineer Jobs - July 2025
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IVPN
Founding Engineer
Posted 11 months, 3 weeks ago
We are building a truly private, open-source LLM gateway with outstanding user experience to address privacy problems around using LLMs. When we interact with AI-based services, we face the fundamental tension between utility and privacy. Current solutions to…
Roles
Location
Remote - Europe
Compensation
Strong salary + Up to 4% equity
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Synapse Social
Founding Engineer
Posted 1 year ago
Synapse is a funded startup backed by a Fortune 100 CEO with the goal of making academic research and news more accessible. With our mobile app, users will be able to see the latest research papers and news in their fields of choice in a curated feed based on…
Roles
Tech stack
Location
New York City
Compensation
90-100k starting annual salary plus equity. This range is highly subject to change after we raise again in November
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Sidekick
Founding Engineer
Posted 1 year ago
Sidekick is hiring a Founding Engineer to join the core team. The real estate industry is undergoing a massive shift, and AI is about to reshape how millions of agents operate daily. Sidekick is first to market with a verticalized solution, has strong early t…
Roles
Compensation
We offer competitive salary, generous equity, and the opportunity to make a foundational impact at an early-stage company with breakout momentum.
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Coverflow
Founding Engineer
Posted 1 year ago
Coverflow is transforming the $310B insurance brokerage industry with AI. Founded by Princeton engineers (ex-Amazon, Roblox) with GTM leadership from Chargehound (acq. PayPal for >$200M), we're well capitalized, ramen-profitable, and growing fast.
Roles
Location
In-person (SF)
Compensation
$150-200k base, 1.5-2.5% equity, Health/life/dental insurance, lots of free meals, and wellness/health stipends
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Substrate Labs
Founding Engineer
Posted 1 year ago
Founders Ben and Rob have been friends since meeting at Venmo in 2013. Ben worked at Stripe for 8 years. Rob worked at Fin (human-in-the-loop AI executive assistant, before LLMs) and was founding engineer at Substack. We started our first product, Substrate i…
Roles
Location
NYC or remote
Compensation
Competitive comp with meaningful equity.
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MCP Infrastructure startup
Founding Engineer
Posted 1 year ago
We're a team out of google systems research building solutions to problems related to delegation of trust, permissioning, authenticity, and tool discovery for an agentic internet. We're early on our architecture and there's a healthy dosage of …
Roles
Location
SF