Member of Technical Staff
30 days ago
New York
Job Description Backend/Infrastructure Engineer – Founding Team Hire About the Job We’re looking for a Backend/Infrastructure Engineer to join as a founding-level hire and help build the core infrastructure powering next-generation AI training environments. This is a full-time, in-person role in Union Square, NYC (with relocation and visa sponsorship available). This role is not just about coding—you’ll be shaping the culture, technical direction, and long-term success of the company. The trajectory here is clear: today you join as an engineer, tomorrow you could be a VP-level leader or even a founder-track builder. If you’re hungry for ownership, value equity over short-term comp, and want your work to directly impact the future of AI, this is the place to do it. What’s in it for you? • $175,000 – $300,000 base salary (flexible for the right candidate), • 0.6% – 0.8% equity (founding-level ownership with leadership path), • 100% employer-paid medical & dental coverage, • Unlimited PTO, • Daily team lunches, • Commuter benefits, • Professional development budget, • Relocation + visa sponsorship available Why this role matters: • The company already has 7-figure ARR and strong product-market fit., • You’ll join before the upcoming Series A, meaning your equity is at its most impactful., • Every hire now helps define the DNA of the engineering team and future leaders., • This is a chance to build AI infrastructure at scale, not as a cog in a big machine, but as a founder-level engineer. What you’ll be doing: • Architect and scale backend systems that power AI training simulations., • Build across Python, Go, and TypeScript, with full ownership over projects., • Partner with researchers, customers, and leadership to ship meaningful features., • Establish engineering best practices for a growing global team., • Contribute to a hungry, winning-oriented culture where craftsmanship and ownership come first. What you’ll need: • 3–6 years of backend/infra engineering experience (flexible for top candidates)., • Strong background in Python, Go, or TypeScript., • Evidence of impactful early-stage contributions or side projects/GitHub work., • A track record of growth—someone ready to evolve into a technical leader., • Comfort with customer-facing collaboration and startup pace., • A long-term, equity-first mindset with ambition to lead. Who will thrive here: • Engineers with a founder mentality, who treat their work like a craft., • Builders who want to go from engineer → future VP/founder-track leader., • Team-first contributors who value ownership over ego., • People energized by fast-paced, high-intensity environments. Ready to shape the future of AI—and your own career? Please either hit the Apply For This Job button or email Jenn at